fix(core): default custom model capabilities (#38449 )

Co-authored-by: Aiden Cline <rekram1-node@users.noreply.github.com>
fix(ai): normalize Bedrock cache usage (#38427 )
2026-07-22 23:20:16 -05:00 · 2026-07-22 21:42:53 -05:00 · 2026-07-22 22:38:13 -04:00 · 2026-07-22 22:26:08 -04:00 · 2026-07-22 20:49:08 -05:00 · 2026-07-22 21:33:25 -04:00
630 changed files with 25026 additions and 7207 deletions
@@ -90,11 +90,18 @@ jobs:
          opencode-app-id: ${{ vars.OPENCODE_APP_ID }}
          opencode-app-secret: ${{ secrets.OPENCODE_APP_SECRET }}

-      - name: Build
+      - name: Build legacy CLI
+        if: github.ref_name != 'v2'
+        run: ./packages/opencode/script/build.ts ${{ (github.ref_name == 'beta' && '--sourcemaps') || '' }}
+        env:
+          OPENCODE_VERSION: ${{ needs.version.outputs.version }}
+          OPENCODE_RELEASE: ${{ needs.version.outputs.release }}
+          GH_REPO: ${{ needs.version.outputs.repo }}
+          GH_TOKEN: ${{ steps.committer.outputs.token }}
+
+      - name: Build preview CLI
        id: build
-        run: |
-          ./packages/opencode/script/build.ts ${{ (github.ref_name == 'beta' && '--sourcemaps') || '' }}
-          ./packages/cli/script/build.ts ${{ (github.ref_name == 'beta' && '--sourcemaps') || '' }}
+        run: ./packages/cli/script/build.ts ${{ (github.ref_name == 'beta' && '--sourcemaps') || '' }}
        env:
          OPENCODE_VERSION: ${{ needs.version.outputs.version }}
          OPENCODE_RELEASE: ${{ needs.version.outputs.release }}
@@ -102,6 +109,7 @@ jobs:
          GH_TOKEN: ${{ steps.committer.outputs.token }}

      - uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
+        if: github.ref_name != 'v2'
        with:
          name: opencode-cli
          path: |
@@ -109,6 +117,7 @@ jobs:
            packages/opencode/dist/opencode-linux*

      - uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
+        if: github.ref_name != 'v2'
        with:
          name: opencode-cli-windows
          path: packages/opencode/dist/opencode-windows*
@@ -491,11 +500,13 @@ jobs:
          registry-url: "https://registry.npmjs.org"

      - uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4.3.0
+        if: github.ref_name != 'v2'
        with:
          name: opencode-cli
          path: packages/opencode/dist

      - uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4.3.0
+        if: github.ref_name != 'v2'
        with:
          name: opencode-cli-windows
          path: packages/opencode/dist
@@ -97,6 +97,11 @@ jobs:
        working-directory: packages/client
        run: bun run check:generated

+      - name: Check generated documentation
+        if: runner.os == 'Linux'
+        working-directory: packages/docs
+        run: bun run check:generated
+
  e2e:
    name: e2e (${{ matrix.settings.name }})
    if: github.ref_name != 'v2' && github.head_ref != 'v2'
@@ -124,16 +124,18 @@
        "opencode2": "./bin/opencode2.cjs",
      },
      "dependencies": {
+        "@agentclientprotocol/sdk": "0.21.0",
        "@effect/platform-node": "catalog:",
        "@opencode-ai/client": "workspace:*",
-        "@opencode-ai/core": "workspace:*",
        "@opencode-ai/plugin": "workspace:*",
        "@opencode-ai/schema": "workspace:*",
        "@opencode-ai/server": "workspace:*",
        "@opencode-ai/tui": "workspace:*",
+        "@opencode-ai/util": "workspace:*",
        "@opentui/core": "catalog:",
        "@opentui/solid": "catalog:",
        "@parcel/watcher": "2.5.1",
+        "@silvia-odwyer/photon-node": "0.3.4",
        "effect": "catalog:",
        "immer": "11.1.4",
        "jsonc-parser": "3.3.1",
@@ -358,52 +360,38 @@
        "@ai-sdk/vercel": "2.0.39",
        "@ai-sdk/xai": "3.0.102",
        "@aws-sdk/credential-providers": "3.1057.0",
-        "@effect/opentelemetry": "catalog:",
        "@effect/platform-node": "catalog:",
        "@effect/sql-sqlite-bun": "catalog:",
        "@ff-labs/fff-bun": "0.9.4",
        "@lydell/node-pty": "catalog:",
        "@modelcontextprotocol/sdk": "1.29.0",
-        "@npmcli/arborist": "9.4.0",
-        "@npmcli/config": "10.8.1",
        "@opencode-ai/ai": "workspace:*",
        "@opencode-ai/codemode": "workspace:*",
        "@opencode-ai/effect-drizzle-sqlite": "workspace:*",
        "@opencode-ai/effect-sqlite-node": "workspace:*",
        "@opencode-ai/plugin": "workspace:*",
        "@opencode-ai/schema": "workspace:*",
+        "@opencode-ai/util": "workspace:*",
        "@openrouter/ai-sdk-provider": "2.9.0",
-        "@opentelemetry/api": "1.9.0",
-        "@opentelemetry/context-async-hooks": "2.6.1",
-        "@opentelemetry/exporter-trace-otlp-http": "0.214.0",
-        "@opentelemetry/sdk-trace-base": "2.6.1",
-        "@opentelemetry/sdk-trace-node": "2.6.1",
        "@parcel/watcher": "2.5.1",
        "@silvia-odwyer/photon-node": "0.3.4",
        "ai-gateway-provider": "3.1.2",
        "bun-pty": "0.4.8",
-        "cross-spawn": "catalog:",
        "diff": "catalog:",
        "drizzle-orm": "catalog:",
        "effect": "catalog:",
        "fuzzysort": "3.1.0",
        "gitlab-ai-provider": "6.11.1",
-        "glob": "13.0.5",
        "google-auth-library": "10.5.0",
        "gray-matter": "4.0.3",
        "htmlparser2": "8.0.2",
        "ignore": "7.0.5",
        "immer": "11.1.4",
        "jsonc-parser": "3.3.1",
-        "mime-types": "3.0.2",
-        "minimatch": "10.2.5",
-        "npm-package-arg": "13.0.2",
-        "resolve.exports": "catalog:",
        "semver": "^7.6.3",
        "turndown": "7.2.0",
        "venice-ai-sdk-provider": "2.1.1",
        "which": "6.0.1",
-        "xdg-basedir": "5.1.0",
        "zod": "catalog:",
      },
      "devDependencies": {
@@ -418,10 +406,7 @@
        "@parcel/watcher-win32-x64": "2.5.1",
        "@tsconfig/bun": "catalog:",
        "@types/bun": "catalog:",
-        "@types/cross-spawn": "catalog:",
        "@types/node": "catalog:",
-        "@types/npm-package-arg": "6.1.4",
-        "@types/npmcli__arborist": "6.3.3",
        "@types/semver": "catalog:",
        "@types/turndown": "5.0.5",
        "@types/which": "3.0.4",
@@ -706,6 +691,7 @@
        "@opencode-ai/core": "workspace:*",
        "@opencode-ai/protocol": "workspace:*",
        "@opencode-ai/simulation": "workspace:*",
+        "@opencode-ai/util": "workspace:*",
        "drizzle-orm": "catalog:",
        "effect": "catalog:",
      },
@@ -771,6 +757,7 @@
        "@opencode-ai/ai": "workspace:*",
        "@opencode-ai/core": "workspace:*",
        "@opencode-ai/plugin": "workspace:*",
+        "@opencode-ai/util": "workspace:*",
        "@opentui/core": "catalog:",
        "effect": "catalog:",
      },
@@ -898,6 +885,7 @@
        "@opencode-ai/schema": "workspace:*",
        "@opencode-ai/simulation": "workspace:*",
        "@opencode-ai/ui": "workspace:*",
+        "@opencode-ai/util": "workspace:*",
        "@opentui/core": "catalog:",
        "@opentui/keymap": "catalog:",
        "@opentui/solid": "catalog:",
@@ -972,6 +960,51 @@
        "solid-js": "^1.9.0",
      },
    },
+    "packages/updates": {
+      "name": "@opencode-ai/updates",
+      "version": "1.18.4",
+      "dependencies": {
+        "jose": "6.0.11",
+      },
+      "devDependencies": {
+        "@cloudflare/workers-types": "catalog:",
+        "@tsconfig/node22": "catalog:",
+        "@types/bun": "catalog:",
+        "@typescript/native-preview": "catalog:",
+        "wrangler": "4.110.0",
+      },
+    },
+    "packages/util": {
+      "name": "@opencode-ai/util",
+      "version": "1.18.3",
+      "dependencies": {
+        "@effect/opentelemetry": "catalog:",
+        "@effect/platform-node": "catalog:",
+        "@npmcli/arborist": "catalog:",
+        "@npmcli/config": "10.8.1",
+        "@opentelemetry/api": "1.9.0",
+        "@opentelemetry/context-async-hooks": "2.6.1",
+        "@opentelemetry/exporter-trace-otlp-http": "0.214.0",
+        "@opentelemetry/sdk-trace-base": "2.6.1",
+        "cross-spawn": "catalog:",
+        "effect": "catalog:",
+        "glob": "13.0.5",
+        "mime-types": "3.0.2",
+        "minimatch": "10.2.5",
+        "npm-package-arg": "13.0.2",
+        "resolve.exports": "catalog:",
+        "xdg-basedir": "5.1.0",
+      },
+      "devDependencies": {
+        "@tsconfig/bun": "catalog:",
+        "@types/bun": "catalog:",
+        "@types/cross-spawn": "catalog:",
+        "@types/node": "catalog:",
+        "@types/npm-package-arg": "6.1.4",
+        "@types/npmcli__arborist": "6.3.3",
+        "@typescript/native-preview": "catalog:",
+      },
+    },
    "packages/web": {
      "name": "@opencode-ai/web",
      "version": "1.18.4",
@@ -1140,6 +1173,8 @@

    "@adobe/css-tools": ["@adobe/css-tools@4.5.0", "", {}, "sha512-6OzddxPio9UiWTCemp4N8cYLV2ZN1ncRnV1cVGtve7dhPOtRkleRyx32GQCYSwDYgaHU3USMm84tNsvKzRCa1Q=="],

+    "@agentclientprotocol/sdk": ["@agentclientprotocol/sdk@0.21.0", "", { "peerDependencies": { "zod": "^3.25.0 || ^4.0.0" } }, "sha512-ONj+Q8qOdNQp5XbH5jnMwzT9IKZJsSN0p0lkceS4GtUtNOPVLpNzSS8gqQdGMKfBvA0ESbkL8BTaSN1Rc9miEw=="],
+
    "@ai-sdk/alibaba": ["@ai-sdk/alibaba@1.0.17", "", { "dependencies": { "@ai-sdk/openai-compatible": "2.0.41", "@ai-sdk/provider": "3.0.8", "@ai-sdk/provider-utils": "4.0.23" }, "peerDependencies": { "zod": "^3.25.76 || ^4.1.8" } }, "sha512-ZbE+U5bWz2JBc5DERLowx5+TKbjGBE93LqKZAWvuEn7HOSQMraxFMZuc0ST335QZJAyfBOzh7m1mPQ+y7EaaoA=="],

    "@ai-sdk/amazon-bedrock": ["@ai-sdk/amazon-bedrock@4.0.112", "", { "dependencies": { "@ai-sdk/anthropic": "3.0.81", "@ai-sdk/openai": "3.0.67", "@ai-sdk/provider": "3.0.10", "@ai-sdk/provider-utils": "4.0.27", "@smithy/eventstream-codec": "^4.0.1", "@smithy/util-utf8": "^4.0.0", "aws4fetch": "^1.0.20" }, "peerDependencies": { "zod": "^3.25.76 || ^4.1.8" } }, "sha512-PsSh7a6qW+3kQXPs1kD4wDwuZby0t1PIaB6j/1aMKmPFJ5LxcIcULLMF/bjITLt5o/8lc0t6TXIwG0zlhH7uZw=="],
@@ -2098,6 +2133,10 @@

    "@opencode-ai/ui": ["@opencode-ai/ui@workspace:packages/ui"],

+    "@opencode-ai/updates": ["@opencode-ai/updates@workspace:packages/updates"],
+
+    "@opencode-ai/util": ["@opencode-ai/util@workspace:packages/util"],
+
    "@opencode-ai/web": ["@opencode-ai/web@workspace:packages/web"],

    "@opencode-ai/www": ["@opencode-ai/www@workspace:packages/www"],
@@ -6564,6 +6603,8 @@

    "@opencode-ai/ui/@solid-primitives/resize-observer": ["@solid-primitives/resize-observer@2.1.3", "", { "dependencies": { "@solid-primitives/event-listener": "^2.4.3", "@solid-primitives/rootless": "^1.5.2", "@solid-primitives/static-store": "^0.1.2", "@solid-primitives/utils": "^6.3.2" }, "peerDependencies": { "solid-js": "^1.6.12" } }, "sha512-zBLje5E06TgOg93S7rGPldmhDnouNGhvfZVKOp+oG2XU8snA+GoCSSCz1M+jpNAg5Ek2EakU5UVQqL152WmdXQ=="],

+    "@opencode-ai/updates/wrangler": ["wrangler@4.110.0", "", { "dependencies": { "@cloudflare/kv-asset-handler": "0.5.0", "@cloudflare/unenv-preset": "2.16.1", "blake3-wasm": "2.1.5", "esbuild": "0.28.1", "miniflare": "4.20260708.1", "path-to-regexp": "6.3.0", "unenv": "2.0.0-rc.24", "workerd": "1.20260708.1" }, "optionalDependencies": { "fsevents": "2.3.3" }, "peerDependencies": { "@cloudflare/workers-types": "^5.20260708.1" }, "optionalPeers": ["@cloudflare/workers-types"], "bin": { "wrangler": "bin/wrangler.js", "wrangler2": "bin/wrangler.js", "cf-wrangler": "bin/cf-wrangler.js" } }, "sha512-xZeXKYi7hxQRF5anL+v77RkufJNpF9f3Eqeyqq2QBsETpLZgh0Agj0jJ6JPtkbgn6ukZdh8OK5egsGPWIditgg=="],
+
    "@opencode-ai/web/@shikijs/transformers": ["@shikijs/transformers@3.20.0", "", { "dependencies": { "@shikijs/core": "3.20.0", "@shikijs/types": "3.20.0" } }, "sha512-PrHHMRr3Q5W1qB/42kJW6laqFyWdhrPF2hNR9qjOm1xcSiAO3hAHo7HaVyHE6pMyevmy3i51O8kuGGXC78uK3g=="],

    "@opencode-ai/www/@cloudflare/vite-plugin": ["@cloudflare/vite-plugin@1.44.0", "", { "dependencies": { "@cloudflare/unenv-preset": "2.16.1", "miniflare": "4.20260708.1", "unenv": "2.0.0-rc.24", "wrangler": "4.110.0", "ws": "8.21.0" }, "peerDependencies": { "vite": "^6.1.0 || ^7.0.0 || ^8.0.0" }, "bin": { "cf-vite": "bin/cf-vite" } }, "sha512-8wGGunqRcs34o4GRq0Rurp7GZg30xtLJeRGUU81a49r9zQRjlp3xIlsWr3nFlSCso4eE3cjZfiKC/2y116M4TQ=="],
@@ -7834,6 +7875,16 @@

    "@opencode-ai/desktop/@actions/artifact/@actions/http-client": ["@actions/http-client@2.2.3", "", { "dependencies": { "tunnel": "^0.0.6", "undici": "^5.25.4" } }, "sha512-mx8hyJi/hjFvbPokCg4uRd4ZX78t+YyRPtnKWwIl+RzNaVuFpQHfmlGVfsKEJN8LwTCvL+DfVgAM04XaHkm6bA=="],

+    "@opencode-ai/updates/wrangler/@cloudflare/kv-asset-handler": ["@cloudflare/kv-asset-handler@0.5.0", "", {}, "sha512-jxQYkj8dSIzc0cD6cMMNdOc1UVjqSqu8BZdor5s8cGjW2I8BjODt/kWPVdY+u9zj3ms75Q5qaZgnxUad83+eAg=="],
+
+    "@opencode-ai/updates/wrangler/@cloudflare/unenv-preset": ["@cloudflare/unenv-preset@2.16.1", "", { "peerDependencies": { "unenv": "2.0.0-rc.24", "workerd": ">1.20260305.0 <2.0.0-0" }, "optionalPeers": ["workerd"] }, "sha512-ECxObrMfyTl5bhQf/lZCXwo5G6xX9IAUo+nDMKK4SZ8m4Jvvxp52vilxyySSWh2YTZz8+HQ07qGH/2rEom1vDw=="],
+
+    "@opencode-ai/updates/wrangler/esbuild": ["esbuild@0.28.1", "", { "optionalDependencies": { "@esbuild/aix-ppc64": "0.28.1", "@esbuild/android-arm": "0.28.1", "@esbuild/android-arm64": "0.28.1", "@esbuild/android-x64": "0.28.1", "@esbuild/darwin-arm64": "0.28.1", "@esbuild/darwin-x64": "0.28.1", "@esbuild/freebsd-arm64": "0.28.1", "@esbuild/freebsd-x64": "0.28.1", "@esbuild/linux-arm": "0.28.1", "@esbuild/linux-arm64": "0.28.1", "@esbuild/linux-ia32": "0.28.1", "@esbuild/linux-loong64": "0.28.1", "@esbuild/linux-mips64el": "0.28.1", "@esbuild/linux-ppc64": "0.28.1", "@esbuild/linux-riscv64": "0.28.1", "@esbuild/linux-s390x": "0.28.1", "@esbuild/linux-x64": "0.28.1", "@esbuild/netbsd-arm64": "0.28.1", "@esbuild/netbsd-x64": "0.28.1", "@esbuild/openbsd-arm64": "0.28.1", "@esbuild/openbsd-x64": "0.28.1", "@esbuild/openharmony-arm64": "0.28.1", "@esbuild/sunos-x64": "0.28.1", "@esbuild/win32-arm64": "0.28.1", "@esbuild/win32-ia32": "0.28.1", "@esbuild/win32-x64": "0.28.1" }, "bin": { "esbuild": "bin/esbuild" } }, "sha512-HrJrvZv5ayxBzPfwphOoNzkzOIIlifzk0KJrGK2c8R4+LKpMtpYLQeUdjnwjWv/LZlkH2laZk+4w78pi99D4Vw=="],
+
+    "@opencode-ai/updates/wrangler/miniflare": ["miniflare@4.20260708.1", "", { "dependencies": { "@cspotcode/source-map-support": "0.8.1", "sharp": "0.34.5", "undici": "7.28.0", "workerd": "1.20260708.1", "ws": "8.21.0", "youch": "4.1.0-beta.10" }, "bin": { "miniflare": "bootstrap.js" } }, "sha512-c94O9zRDISdqO18EHt6l0iF/fWgWt8p18PJvRsA/L/NJZ9Cfke3s/F5Blg1XXF7WDutVRzWVWy8Vy4LaT5ifsA=="],
+
+    "@opencode-ai/updates/wrangler/workerd": ["workerd@1.20260708.1", "", { "optionalDependencies": { "@cloudflare/workerd-darwin-64": "1.20260708.1", "@cloudflare/workerd-darwin-arm64": "1.20260708.1", "@cloudflare/workerd-linux-64": "1.20260708.1", "@cloudflare/workerd-linux-arm64": "1.20260708.1", "@cloudflare/workerd-windows-64": "1.20260708.1" }, "bin": { "workerd": "bin/workerd" } }, "sha512-WAK+Kt/VVCSldH2qSr8lx46XCJ4Q+bdlHNaFqUtOHthBEIB8C1N8HVW+VOLrxDoTCk0NGNv0zajnBeQK4JOB9w=="],
+
    "@opencode-ai/web/@shikijs/transformers/@shikijs/core": ["@shikijs/core@3.20.0", "", { "dependencies": { "@shikijs/types": "3.20.0", "@shikijs/vscode-textmate": "^10.0.2", "@types/hast": "^3.0.4", "hast-util-to-html": "^9.0.5" } }, "sha512-f2ED7HYV4JEk827mtMDwe/yQ25pRiXZmtHjWF8uzZKuKiEsJR7Ce1nuQ+HhV9FzDcbIo4ObBCD9GPTzNuy9S1g=="],

    "@opencode-ai/web/@shikijs/transformers/@shikijs/types": ["@shikijs/types@3.20.0", "", { "dependencies": { "@shikijs/vscode-textmate": "^10.0.2", "@types/hast": "^3.0.4" } }, "sha512-lhYAATn10nkZcBQ0BlzSbJA3wcmL5MXUUF8d2Zzon6saZDlToKaiRX60n2+ZaHJCmXEcZRWNzn+k9vplr8Jhsw=="],
@@ -8682,6 +8733,72 @@

    "@opencode-ai/desktop/@actions/artifact/@actions/http-client/undici": ["undici@5.29.0", "", { "dependencies": { "@fastify/busboy": "^2.0.0" } }, "sha512-raqeBD6NQK4SkWhQzeYKd1KmIG6dllBOTt55Rmkt4HtI9mwdWtJljnrXjAFUBLTSN67HWrOIZ3EPF4kjUw80Bg=="],

+    "@opencode-ai/updates/wrangler/esbuild/@esbuild/aix-ppc64": ["@esbuild/aix-ppc64@0.28.1", "", { "os": "aix", "cpu": "ppc64" }, "sha512-Svl7tq8k/08+p6CXPpRjQ1fKX+1odH/BQbb48fV6fj3CWHhsoIOoY87w1oHXm0qEpkIK3ZfVgp0hed3XBXzXMQ=="],
+
+    "@opencode-ai/updates/wrangler/esbuild/@esbuild/android-arm": ["@esbuild/android-arm@0.28.1", "", { "os": "android", "cpu": "arm" }, "sha512-0k2F129Xdio1TdJfzJ8sy1Q47vUD2NnwdhiAf7drUN1EBTfPf4hsFCtmMgu/6m8JSzsBrlmVjudMBQqOfG8usQ=="],
+
+    "@opencode-ai/updates/wrangler/esbuild/@esbuild/android-arm64": ["@esbuild/android-arm64@0.28.1", "", { "os": "android", "cpu": "arm64" }, "sha512-34EGEbCIAgosYz6goLcopX6Mo7NyGv9tfwEM2/7Ce2VcVRk568iSvniGWcUXIy7wEDR1wzolcxcriFVrWYcwBg=="],
+
+    "@opencode-ai/updates/wrangler/esbuild/@esbuild/android-x64": ["@esbuild/android-x64@0.28.1", "", { "os": "android", "cpu": "x64" }, "sha512-dbwY7ltSMDWsRatcRpCnES4F+im88OCUgGZjy52shC7GqHRE/cYlxNbB4Z4UpJswpcc4Qxd2oE/ufM0p61IKng=="],
+
+    "@opencode-ai/updates/wrangler/esbuild/@esbuild/darwin-arm64": ["@esbuild/darwin-arm64@0.28.1", "", { "os": "darwin", "cpu": "arm64" }, "sha512-TZbWkQY7kvTAXbXUT7uVACR5cMHsDiSz9z7ZKAX/RTq/WJEk3QyRr0wZpNhBDX+/0CtdqUIJlOiodQcta6tY3Q=="],
+
+    "@opencode-ai/updates/wrangler/esbuild/@esbuild/darwin-x64": ["@esbuild/darwin-x64@0.28.1", "", { "os": "darwin", "cpu": "x64" }, "sha512-zfdzgK9ACBNZLI/CyHTOx81SyNbM6YXn7rxSgX97VjyiPl9W1i4Ka4fgKECEoFCKGpvBj5qArWIGgQjOwkgskQ=="],
+
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+    "@opencode-ai/updates/wrangler/miniflare/sharp/@img/sharp-win32-ia32": ["@img/sharp-win32-ia32@0.34.5", "", { "os": "win32", "cpu": "ia32" }, "sha512-FV9m/7NmeCmSHDD5j4+4pNI8Cp3aW+JvLoXcTUo0IqyjSfAZJ8dIUmijx1qaJsIiU+Hosw6xM5KijAWRJCSgNg=="],
+
+    "@opencode-ai/updates/wrangler/miniflare/sharp/@img/sharp-win32-x64": ["@img/sharp-win32-x64@0.34.5", "", { "os": "win32", "cpu": "x64" }, "sha512-+29YMsqY2/9eFEiW93eqWnuLcWcufowXewwSNIT6UwZdUUCrM3oFjMWH/Z6/TMmb4hlFenmfAVbpWeup2jryCw=="],
+
    "@opencode-ai/www/@cloudflare/vite-plugin/@cloudflare/unenv-preset/workerd/@cloudflare/workerd-darwin-64": ["@cloudflare/workerd-darwin-64@1.20260708.1", "", { "os": "darwin", "cpu": "x64" }, "sha512-HXFCvhS1wpg3uXO0CLUwmwC41i2loM5FSK69EUchOBpmYBAXxT1oHLm6EOA5lqhTk5Mu9kjRiQYxa1GwKPwfJg=="],

    "@opencode-ai/www/@cloudflare/vite-plugin/@cloudflare/unenv-preset/workerd/@cloudflare/workerd-darwin-arm64": ["@cloudflare/workerd-darwin-arm64@1.20260708.1", "", { "os": "darwin", "cpu": "arm64" }, "sha512-JVlJaKDoRTVKSroHIlf8g3UCPjKj4iDbMZE2CNYht5qQ+2rL0FAUiVlV82G3BqKnnw9kHYnnsMzC08b9zVtdzA=="],
@@ -9116,6 +9271,8 @@

    "@mintlify/common/sucrase/glob/minimatch/brace-expansion/balanced-match": ["balanced-match@1.0.2", "", {}, "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw=="],

+    "@opencode-ai/updates/wrangler/miniflare/sharp/@img/sharp-wasm32/@emnapi/runtime": ["@emnapi/runtime@1.11.2", "", { "dependencies": { "tslib": "^2.4.0" } }, "sha512-kyOl3X0DuTiT1h2ft8r2fYO8JYtU9a9Xis/zBSiGArNaagCOWx90N1k2wxp18czFDH+OgcWGb5ZP/XMt3dcyPA=="],
+
    "@opencode-ai/www/@cloudflare/vite-plugin/miniflare/sharp/@img/sharp-wasm32/@emnapi/runtime": ["@emnapi/runtime@1.11.2", "", { "dependencies": { "tslib": "^2.4.0" } }, "sha512-kyOl3X0DuTiT1h2ft8r2fYO8JYtU9a9Xis/zBSiGArNaagCOWx90N1k2wxp18czFDH+OgcWGb5ZP/XMt3dcyPA=="],

    "@opencode-ai/www/wrangler/miniflare/sharp/@img/sharp-wasm32/@emnapi/runtime": ["@emnapi/runtime@1.11.2", "", { "dependencies": { "tslib": "^2.4.0" } }, "sha512-kyOl3X0DuTiT1h2ft8r2fYO8JYtU9a9Xis/zBSiGArNaagCOWx90N1k2wxp18czFDH+OgcWGb5ZP/XMt3dcyPA=="],
@@ -15,7 +15,7 @@
    "dev:www": "bun run --cwd packages/www dev",
    "dev:storybook": "bun --cwd packages/storybook storybook",
    "lint": "oxlint",
-    "lint:effect-patterns": "ast-grep scan -c script/ast-grep/sgconfig.yml packages/core/src packages/server/src packages/protocol/src packages/cli/src",
+    "lint:effect-patterns": "ast-grep scan -c script/ast-grep/sgconfig.yml packages/util/src packages/core/src packages/server/src packages/protocol/src packages/cli/src",
    "test:lint-rules": "ast-grep test -c script/ast-grep/sgconfig.yml",
    "typecheck": "bun turbo typecheck --concurrency=3",
    "typecheck:profile": "bun script/profile-typecheck.ts",
@@ -27,6 +27,7 @@ import { ToolSchemaProjection } from "./utils/tool-schema"
 import { ToolStream } from "./utils/tool-stream"

 const ADAPTER = "anthropic-messages"
+const MEDIA_MIMES = new Set<string>([...ProviderShared.IMAGE_MIMES, ...ProviderShared.PDF_MIMES])
 export const DEFAULT_BASE_URL = "https://api.anthropic.com/v1"
 export const PATH = "/messages"

@@ -56,6 +57,17 @@ const AnthropicImageBlock = Schema.Struct({
 })
 type AnthropicImageBlock = Schema.Schema.Type<typeof AnthropicImageBlock>

+const AnthropicDocumentBlock = Schema.Struct({
+  type: Schema.tag("document"),
+  source: Schema.Struct({
+    type: Schema.tag("base64"),
+    media_type: Schema.Literal("application/pdf"),
+    data: Schema.String,
+  }),
+  cache_control: Schema.optional(AnthropicCacheControl),
+})
+type AnthropicDocumentBlock = Schema.Schema.Type<typeof AnthropicDocumentBlock>
+
 const AnthropicThinkingBlock = Schema.Struct({
  type: Schema.tag("thinking"),
  thinking: Schema.String,
@@ -101,13 +113,10 @@ const AnthropicServerToolResultBlock = Schema.Struct({
 })
 type AnthropicServerToolResultBlock = Schema.Schema.Type<typeof AnthropicServerToolResultBlock>

-// Anthropic accepts either a plain string or an ordered array of text/image
-// blocks inside `tool_result.content`. The array form is required when a tool
-// returns image bytes (screenshot, image search, etc.) so they can be passed
-// to the model as proper image inputs instead of being JSON-stringified into
-// the prompt — which silently inflates context by megabytes and can push the
-// conversation over the model's token limit.
-const AnthropicToolResultContent = Schema.Union([AnthropicTextBlock, AnthropicImageBlock])
+// Anthropic accepts either a plain string or an ordered array of text, image, and
+// document blocks inside `tool_result.content`. The array form keeps media as native
+// model input instead of JSON-stringifying base64 into prompt text.
+const AnthropicToolResultContent = Schema.Union([AnthropicTextBlock, AnthropicImageBlock, AnthropicDocumentBlock])

 const AnthropicToolResultBlock = Schema.Struct({
  type: Schema.tag("tool_result"),
@@ -117,7 +126,12 @@ const AnthropicToolResultBlock = Schema.Struct({
  cache_control: Schema.optional(AnthropicCacheControl),
 })

-const AnthropicUserBlock = Schema.Union([AnthropicTextBlock, AnthropicImageBlock, AnthropicToolResultBlock])
+const AnthropicUserBlock = Schema.Union([
+  AnthropicTextBlock,
+  AnthropicImageBlock,
+  AnthropicDocumentBlock,
+  AnthropicToolResultBlock,
+])
 type AnthropicUserBlock = Schema.Schema.Type<typeof AnthropicUserBlock>
 const AnthropicAssistantBlock = Schema.Union([
  AnthropicTextBlock,
@@ -319,12 +333,17 @@ const lowerServerToolResult = Effect.fn("AnthropicMessages.lowerServerToolResult
  return { type: wireType, tool_use_id: part.id, content: part.result.value } satisfies AnthropicServerToolResultBlock
 })

-const lowerImage = Effect.fn("AnthropicMessages.lowerImage")(function* (part: MediaPart) {
-  const media = yield* ProviderShared.validateMedia(
-    "Anthropic Messages",
-    part,
-    new Set<string>(ProviderShared.IMAGE_MIMES),
-  )
+const lowerMedia = Effect.fn("AnthropicMessages.lowerMedia")(function* (part: MediaPart) {
+  const media = yield* ProviderShared.validateMedia("Anthropic Messages", part, MEDIA_MIMES)
+  if (media.mime === "application/pdf")
+    return {
+      type: "document" as const,
+      source: {
+        type: "base64" as const,
+        media_type: "application/pdf" as const,
+        data: media.base64,
+      },
+    } satisfies AnthropicDocumentBlock
  return {
    type: "image" as const,
    source: {
@@ -335,25 +354,13 @@ const lowerImage = Effect.fn("AnthropicMessages.lowerImage")(function* (part: Me
  } satisfies AnthropicImageBlock
 })

-// Tool results may carry structured text/images. Keep media as provider-native
+// Tool results may carry structured text, images, and documents. Keep media as provider-native
 // content instead of JSON-stringifying base64 into a prompt string.
 const lowerToolResultContentItem = Effect.fn("AnthropicMessages.lowerToolResultContentItem")(function* (
  item: ToolContent,
 ) {
  if (item.type === "text") return { type: "text" as const, text: item.text } satisfies AnthropicTextBlock
-  const media = yield* ProviderShared.validateToolFile(
-    "Anthropic Messages",
-    item,
-    new Set<string>(ProviderShared.IMAGE_MIMES),
-  )
-  return {
-    type: "image" as const,
-    source: {
-      type: "base64" as const,
-      media_type: media.mime,
-      data: media.base64,
-    },
-  } satisfies AnthropicImageBlock
+  return yield* lowerMedia({ type: "media", mediaType: item.mime, data: item.uri, filename: item.name })
 })

 const lowerToolResultContent = Effect.fn("AnthropicMessages.lowerToolResultContent")(function* (part: ToolResultPart) {
@@ -445,7 +452,7 @@ const lowerMessages = Effect.fn("AnthropicMessages.lowerMessages")(function* (
          continue
        }
        if (part.type === "media") {
-          content.push(yield* lowerImage(part))
+          content.push(yield* lowerMedia(part))
          continue
        }
        return yield* ProviderShared.unsupportedContent("Anthropic Messages", "user", ["text", "media"])
@@ -52,6 +52,7 @@ const BedrockToolResultContentItem = Schema.Union([
  Schema.Struct({ text: Schema.String }),
  Schema.Struct({ json: Schema.Unknown }),
  BedrockMedia.ImageBlock,
+  BedrockMedia.DocumentBlock,
 ])

 const BedrockToolResultBlock = Schema.Struct({
@@ -283,8 +284,6 @@ const lowerToolResultContent = Effect.fn("BedrockConverse.lowerToolResultContent
      data: item.uri,
      filename: item.name,
    })
-    if (!("image" in media))
-      return yield* ProviderShared.invalidRequest("Bedrock Converse only supports image media in tool results")
    content.push(media)
  }
  return content
@@ -437,21 +436,22 @@ const mapFinishReason = (reason: string): FinishReason => {
  return "unknown"
 }

-// AWS Bedrock Converse reports `inputTokens` (inclusive total) with
-// `cacheReadInputTokens` and `cacheWriteInputTokens` as subsets. Pass
-// the total through and derive the non-cached breakdown. Bedrock does
-// not break reasoning out of `outputTokens` for any current model.
+// AWS reports inputTokens separately from cache reads and writes.
+// Bedrock does not break reasoning out of outputTokens for current models.
 const mapUsage = (usage: BedrockUsageSchema | undefined): Usage | undefined => {
  if (!usage) return undefined
-  const cacheTotal = (usage.cacheReadInputTokens ?? 0) + (usage.cacheWriteInputTokens ?? 0)
-  const nonCached = ProviderShared.subtractTokens(usage.inputTokens, cacheTotal)
+  const inputTokens = ProviderShared.sumTokens(
+    usage.inputTokens,
+    usage.cacheReadInputTokens,
+    usage.cacheWriteInputTokens,
+  )
  return new Usage({
-    inputTokens: usage.inputTokens,
+    inputTokens,
    outputTokens: usage.outputTokens,
-    nonCachedInputTokens: nonCached,
+    nonCachedInputTokens: usage.inputTokens,
    cacheReadInputTokens: usage.cacheReadInputTokens,
    cacheWriteInputTokens: usage.cacheWriteInputTokens,
-    totalTokens: ProviderShared.totalTokens(usage.inputTokens, usage.outputTokens, usage.totalTokens),
+    totalTokens: ProviderShared.totalTokens(inputTokens, usage.outputTokens, usage.totalTokens),
    providerMetadata: { bedrock: usage },
  })
 }
@@ -41,9 +41,11 @@ const GeminiInlineDataPart = Schema.Struct({
    data: Schema.String,
  }),
 })
+type GeminiInlineDataPart = Schema.Schema.Type<typeof GeminiInlineDataPart>

 const GeminiFunctionCallPart = Schema.Struct({
  functionCall: Schema.Struct({
+    id: Schema.optional(Schema.String),
    name: Schema.String,
    args: Schema.Unknown,
  }),
@@ -52,8 +54,10 @@ const GeminiFunctionCallPart = Schema.Struct({

 const GeminiFunctionResponsePart = Schema.Struct({
  functionResponse: Schema.Struct({
+    id: Schema.optional(Schema.String),
    name: Schema.String,
    response: Schema.Unknown,
+    parts: Schema.optional(Schema.Array(GeminiInlineDataPart)),
  }),
 })

@@ -197,8 +201,13 @@ const thoughtSignature = (providerMetadata: ProviderMetadata | undefined) => {
    : undefined
 }

+const functionCallId = (providerMetadata: ProviderMetadata | undefined) => {
+  const google = providerMetadata?.google
+  return ProviderShared.isRecord(google) && typeof google.functionCallId === "string" ? google.functionCallId : undefined
+}
+
 const lowerToolCall = (part: ToolCallPart) => ({
-  functionCall: { name: part.name, args: part.input },
+  functionCall: { id: functionCallId(part.providerMetadata), name: part.name, args: part.input },
  thoughtSignature: thoughtSignature(part.providerMetadata),
 })

@@ -255,6 +264,7 @@ const lowerMessages = Effect.fn("Gemini.lowerMessages")(function* (request: LLMR
      if (part.result.type !== "content") {
        parts.push({
          functionResponse: {
+            id: functionCallId(part.providerMetadata),
            name: part.name,
            response: {
              name: part.name,
@@ -266,20 +276,23 @@ const lowerMessages = Effect.fn("Gemini.lowerMessages")(function* (request: LLMR
      }
      const content: ReadonlyArray<ToolContent> = part.result.value
      const text = content.filter((item) => item.type === "text").map((item) => item.text)
+      const media: GeminiInlineDataPart[] = []
+      for (const item of content) {
+        if (item.type === "text") continue
+        const value = yield* ProviderShared.validateToolFile("Gemini", item, MEDIA_MIMES)
+        media.push({ inlineData: { mimeType: value.mime, data: value.base64 } })
+      }
      parts.push({
        functionResponse: {
+          id: functionCallId(part.providerMetadata),
          name: part.name,
          response: {
            name: part.name,
            content: text.join("\n"),
          },
+          parts: media.length > 0 ? media : undefined,
        },
      })
-      for (const item of content) {
-        if (item.type === "text") continue
-        const media = yield* ProviderShared.validateToolFile("Gemini", item, MEDIA_MIMES)
-        parts.push({ inlineData: { mimeType: media.mime, data: media.base64 } })
-      }
    }
    contents.push({ role: "user", parts })
  }
@@ -441,6 +454,10 @@ const step = (state: ParserState, event: GeminiEvent) => {
    if ("functionCall" in part) {
      const input = part.functionCall.args
      const id = `tool_${nextToolCallId++}`
+      const metadata = {
+        ...(part.functionCall.id === undefined ? {} : { functionCallId: part.functionCall.id }),
+        ...(part.thoughtSignature === undefined ? {} : { thoughtSignature: part.thoughtSignature }),
+      }
      lifecycle = Lifecycle.reasoningEnd(
        lifecycle,
        events,
@@ -453,9 +470,7 @@ const step = (state: ParserState, event: GeminiEvent) => {
          id,
          name: part.functionCall.name,
          input,
-          providerMetadata: part.thoughtSignature
-            ? googleMetadata({ thoughtSignature: part.thoughtSignature })
-            : undefined,
+          providerMetadata: Object.keys(metadata).length > 0 ? googleMetadata(metadata) : undefined,
        }),
      )
      hasToolCalls = true
@@ -25,6 +25,7 @@ import { ToolStream } from "./utils/tool-stream"

 const ADAPTER = "openai-chat"
 const IMAGE_MIMES = new Set<string>(ProviderShared.IMAGE_MIMES)
+const RESERVED_REASONING_FIELDS = new Set(["role", "content", "tool_calls"])
 export const DEFAULT_BASE_URL = "https://api.openai.com/v1"
 export const PATH = "/chat/completions"

@@ -70,15 +71,18 @@ const OpenAIChatMessage = Schema.Union([
    role: Schema.Literal("user"),
    content: Schema.Union([Schema.String, Schema.Array(OpenAIChatUserContent)]),
  }),
-  Schema.Struct({
-    role: Schema.Literal("assistant"),
-    content: Schema.NullOr(Schema.String),
-    tool_calls: optionalArray(OpenAIChatAssistantToolCall),
-    reasoning_content: Schema.optional(Schema.String),
-    reasoning: Schema.optional(Schema.String),
-    reasoning_text: Schema.optional(Schema.String),
-    reasoning_details: optionalArray(Schema.Unknown),
-  }),
+  Schema.StructWithRest(
+    Schema.Struct({
+      role: Schema.Literal("assistant"),
+      content: Schema.NullOr(Schema.String),
+      tool_calls: optionalArray(OpenAIChatAssistantToolCall),
+      reasoning_content: Schema.optional(Schema.String),
+      reasoning: Schema.optional(Schema.String),
+      reasoning_text: Schema.optional(Schema.String),
+      reasoning_details: Schema.optional(Schema.Unknown),
+    }),
+    [Schema.Record(Schema.String, Schema.Unknown)],
+  ),
  Schema.Struct({ role: Schema.Literal("tool"), tool_call_id: Schema.String, content: Schema.String }),
 ]).pipe(Schema.toTaggedUnion("role"))
 type OpenAIChatMessage = Schema.Schema.Type<typeof OpenAIChatMessage>
@@ -145,14 +149,17 @@ const OpenAIChatToolCallDelta = Schema.Struct({
 })
 type OpenAIChatToolCallDelta = Schema.Schema.Type<typeof OpenAIChatToolCallDelta>

-const OpenAIChatDelta = Schema.Struct({
-  content: optionalNull(Schema.String),
-  reasoning_content: optionalNull(Schema.String),
-  reasoning: optionalNull(Schema.String),
-  reasoning_text: optionalNull(Schema.String),
-  reasoning_details: optionalNull(Schema.Array(Schema.Unknown)),
-  tool_calls: optionalNull(Schema.Array(OpenAIChatToolCallDelta)),
-})
+const OpenAIChatDelta = Schema.StructWithRest(
+  Schema.Struct({
+    content: optionalNull(Schema.String),
+    reasoning_content: optionalNull(Schema.String),
+    reasoning: optionalNull(Schema.String),
+    reasoning_text: optionalNull(Schema.String),
+    reasoning_details: optionalNull(Schema.Unknown),
+    tool_calls: optionalNull(Schema.Array(OpenAIChatToolCallDelta)),
+  }),
+  [Schema.Record(Schema.String, Schema.Unknown)],
+)

 const OpenAIChatChoice = Schema.Struct({
  delta: optionalNull(OpenAIChatDelta),
@@ -179,7 +186,7 @@ export interface ParserState {
  readonly usage?: Usage
  readonly finishReason?: FinishReason
  readonly lifecycle: Lifecycle.State
-  readonly reasoningField?: "reasoning" | "reasoning_content" | "reasoning_text"
+  readonly reasoningField?: string
  readonly reasoningDetails: Array<unknown>
  readonly reasoningDetailsObserved: boolean
  readonly reasoningEmitted: boolean
@@ -227,7 +234,7 @@ const openAICompatibleReasoningContent = (native: unknown) =>

 const reasoningField = (part: ReasoningPart) => {
  const field = part.providerMetadata?.openai?.reasoningField
-  if (field === "reasoning" || field === "reasoning_content" || field === "reasoning_text") return field
+  return typeof field === "string" ? field : undefined
 }

 const reasoningDetails = (parts: ReadonlyArray<ReasoningPart>, native: unknown) => {
@@ -259,6 +266,7 @@ const lowerUserMessage = Effect.fn("OpenAIChat.lowerUserMessage")(function* (mes

 const lowerAssistantMessage = Effect.fn("OpenAIChat.lowerAssistantMessage")(function* (
  message: OpenAIChatRequestMessage,
+  configuredField?: string,
 ) {
  const content: TextPart[] = []
  const reasoning: ReasoningPart[] = []
@@ -285,24 +293,25 @@ const lowerAssistantMessage = Effect.fn("OpenAIChat.lowerAssistantMessage")(func
  const nativeReasoning = openAICompatibleReasoningContent(message.native?.openaiCompatible)
  const fullyStructured = reasoning.every((part) => Array.isArray(part.providerMetadata?.openai?.reasoningDetails))
  const field = (() => {
-    if (reasoning.length === 0) return
+    if (configuredField !== undefined) return configuredField
+    if (reasoning.length === 0) return undefined
    if (observedField !== undefined) return observedField
    if (nativeReasoning !== undefined) return "reasoning_content"
    if (!fullyStructured) return "reasoning_content"
  })()
-  const reasoningContent = (() => {
+  const reasoningText = (() => {
+    if (configuredField !== undefined) return reasoning.length === 0 ? (nativeReasoning ?? "") : text
    if (reasoning.length === 0) return nativeReasoning
-    if (field === "reasoning_content") return text
+    return text
  })()
-  return {
+  const result = {
    role: "assistant" as const,
    content: content.length === 0 ? null : ProviderShared.joinText(content),
    tool_calls: toolCalls.length === 0 ? undefined : toolCalls,
-    reasoning_content: reasoningContent,
-    reasoning: reasoning.length > 0 && field === "reasoning" ? text : undefined,
-    reasoning_text: reasoning.length > 0 && field === "reasoning_text" ? text : undefined,
    reasoning_details: details,
  }
+  if (field === undefined || reasoningText === undefined) return result
+  return { ...result, [field]: reasoningText }
 })

 const lowerToolMessages = Effect.fn("OpenAIChat.lowerToolMessages")(function* (message: OpenAIChatRequestMessage) {
@@ -328,9 +337,12 @@ const lowerToolMessages = Effect.fn("OpenAIChat.lowerToolMessages")(function* (m
  return { messages, images }
 })

-const lowerMessage = Effect.fn("OpenAIChat.lowerMessage")(function* (message: OpenAIChatRequestMessage) {
+const lowerMessage = Effect.fn("OpenAIChat.lowerMessage")(function* (
+  message: OpenAIChatRequestMessage,
+  reasoningField?: string,
+) {
  if (message.role === "user") return [yield* lowerUserMessage(message)]
-  if (message.role === "assistant") return [yield* lowerAssistantMessage(message)]
+  if (message.role === "assistant") return [yield* lowerAssistantMessage(message, reasoningField)]
  return (yield* lowerToolMessages(message)).messages
 })

@@ -368,7 +380,7 @@ const lowerMessages = Effect.fn("OpenAIChat.lowerMessages")(function* (request:
      continue
    }
    flushImages()
-    messages.push(...(yield* lowerMessage(message)))
+    messages.push(...(yield* lowerMessage(message, request.model.compatibility?.reasoningField)))
  }
  flushImages()
  return messages
@@ -386,6 +398,11 @@ const lowerOptions = Effect.fn("OpenAIChat.lowerOptions")(function* (request: LL
 const fromRequest = Effect.fn("OpenAIChat.fromRequest")(function* (request: LLMRequest) {
  // `fromRequest` returns the provider body only. Endpoint, auth, framing,
  // validation, and HTTP execution are composed by `Route.make`.
+  const reasoningField = request.model.compatibility?.reasoningField
+  if (reasoningField && RESERVED_REASONING_FIELDS.has(reasoningField))
+    return yield* ProviderShared.invalidRequest(
+      `OpenAI Chat reasoning field conflicts with reserved field ${reasoningField}`,
+    )
  const generation = request.generation
  const toolSchemaCompatibility = request.model.compatibility?.toolSchema
  return {
@@ -446,10 +463,18 @@ const mapUsage = (usage: OpenAIChatEvent["usage"]): Usage | undefined => {
  })
 }

-const reasoningDelta = (delta: Schema.Schema.Type<typeof OpenAIChatDelta> | null | undefined) => {
-  if (delta?.reasoning_content) return { field: "reasoning_content", text: delta.reasoning_content } as const
-  if (delta?.reasoning) return { field: "reasoning", text: delta.reasoning } as const
-  if (delta?.reasoning_text) return { field: "reasoning_text", text: delta.reasoning_text } as const
+const reasoningDelta = (
+  delta: Schema.Schema.Type<typeof OpenAIChatDelta> | null | undefined,
+  configuredField?: string,
+) => {
+  if (!delta) return undefined
+  const fields = new Set([configuredField, "reasoning_content", "reasoning", "reasoning_text"])
+  for (const field of fields) {
+    if (field === undefined) continue
+    const text = delta[field]
+    if (typeof text === "string" && text.length > 0) return { field, text }
+  }
+  return undefined
 }

 const detailText = (details: ReadonlyArray<unknown>) => {
@@ -518,7 +543,7 @@ const step = (state: ParserState, event: OpenAIChatEvent) =>

    let lifecycle = state.lifecycle

-    const reasoning = reasoningDelta(delta)
+    const reasoning = reasoningDelta(delta, state.reasoningField)
    const reasoningField = state.reasoningField ?? (!state.lifecycle.text.has("text-0") ? reasoning?.field : undefined)
    const detailDelta = Array.isArray(delta?.reasoning_details) ? delta.reasoning_details : undefined
    if (detailDelta !== undefined) appendReasoningDetails(state.reasoningDetails, detailDelta)
@@ -635,12 +660,12 @@ export const protocol = Protocol.make({
  },
  stream: {
    event: Protocol.jsonEvent(OpenAIChatEvent),
-    initial: () => ({
+    initial: (request) => ({
      tools: ToolStream.empty<number>(),
      pendingTools: {},
      toolCallEvents: [],
      lifecycle: Lifecycle.initial(),
-      reasoningField: undefined,
+      reasoningField: request.model.compatibility?.reasoningField,
      reasoningDetails: [],
      reasoningDetailsObserved: false,
      reasoningEmitted: false,
@@ -11,6 +11,7 @@ import {
  type FinishReason,
  type JsonSchema,
  type LLMRequest,
+  type MediaPart,
  type ProviderMetadata,
  type ReasoningPart,
  type TextPart,
@@ -28,6 +29,7 @@ import { ToolStream } from "./utils/tool-stream"
 import { OpenAIImage } from "./utils/openai-image"

 const ADAPTER = "openai-responses"
+const MEDIA_MIMES = new Set<string>([...ProviderShared.IMAGE_MIMES, ...ProviderShared.PDF_MIMES])
 export const DEFAULT_BASE_URL = "https://api.openai.com/v1"
 export const PATH = "/responses"

@@ -42,7 +44,17 @@ const OpenAIResponsesInputImage = Schema.Struct({
  type: Schema.tag("input_image"),
  image_url: Schema.String,
 })
-const OpenAIResponsesInputContent = Schema.Union([OpenAIResponsesInputText, OpenAIResponsesInputImage])
+const OpenAIResponsesInputFile = Schema.Struct({
+  type: Schema.tag("input_file"),
+  filename: Schema.String,
+  file_data: Schema.String,
+  mime_type: Schema.optional(Schema.String),
+})
+const OpenAIResponsesInputContent = Schema.Union([
+  OpenAIResponsesInputText,
+  OpenAIResponsesInputImage,
+  OpenAIResponsesInputFile,
+])
 type OpenAIResponsesInputContent = Schema.Schema.Type<typeof OpenAIResponsesInputContent>

 const OpenAIResponsesOutputText = Schema.Struct({
@@ -68,9 +80,13 @@ const OpenAIResponsesItemReference = Schema.Struct({
 })

 // `function_call_output.output` accepts either a plain string or an ordered
-// array of content items so tools can return images in addition to text.
+// array of content items so tools can return images and files in addition to text.
 // https://platform.openai.com/docs/api-reference/responses/object
-const OpenAIResponsesFunctionCallOutputContent = Schema.Union([OpenAIResponsesInputText, OpenAIResponsesInputImage])
+const OpenAIResponsesFunctionCallOutputContent = Schema.Union([
+  OpenAIResponsesInputText,
+  OpenAIResponsesInputImage,
+  OpenAIResponsesInputFile,
+])

 const OpenAIResponsesFunctionCallOutput = Schema.Union([
  Schema.String,
@@ -237,7 +253,7 @@ const OpenAIResponsesEvent = Schema.Struct({
      Schema.Struct({
        id: Schema.optional(Schema.String),
        service_tier: optionalNull(Schema.String),
-        incomplete_details: optionalNull(Schema.Struct({ reason: Schema.String })),
+        incomplete_details: optionalNull(Schema.Struct({ reason: Schema.optional(Schema.String) })),
        usage: optionalNull(OpenAIResponsesUsage),
        error: optionalNull(OpenAIResponsesErrorPayload),
      }),
@@ -343,42 +359,58 @@ const hostedToolItemID = (part: ToolResultPart) => {
    : undefined
 }

-const lowerUserContent = Effect.fn("OpenAIResponses.lowerUserContent")(function* (
-  part: LLMRequest["messages"][number]["content"][number],
-) {
-  if (part.type === "text") return { type: "input_text" as const, text: part.text }
-  if (part.type === "media") {
-    const media = yield* ProviderShared.validateMedia(
-      "OpenAI Responses",
-      part,
-      new Set<string>(ProviderShared.IMAGE_MIMES),
-    )
-    return { type: "input_image" as const, image_url: media.dataUrl }
+const lowerMedia = Effect.fn("OpenAIResponses.lowerMedia")(function* (part: MediaPart, provider: string) {
+  const media = yield* ProviderShared.validateMedia("OpenAI Responses", part, MEDIA_MIMES)
+  if (media.mime === "application/pdf") {
+    // xAI models inline bytes and MIME separately; OpenAI uses a data URL in file_data.
+    if (provider === "xai")
+      return {
+        type: "input_file" as const,
+        filename: part.filename ?? "document.pdf",
+        file_data: media.base64,
+        mime_type: media.mime,
+      }
+    return {
+      type: "input_file" as const,
+      filename: part.filename ?? "document.pdf",
+      file_data: media.dataUrl,
+    }
  }
-  return yield* ProviderShared.unsupportedContent("OpenAI Responses", "user", ["text", "media"])
-})
-
-// Tool results may carry structured text/images. Keep media as provider-native
-// content instead of JSON-stringifying base64 into a prompt string.
-const lowerToolResultContentItem = Effect.fn("OpenAIResponses.lowerToolResultContentItem")(function* (
-  item: ToolContent,
-) {
-  if (item.type === "text") return { type: "input_text" as const, text: item.text }
-  const media = yield* ProviderShared.validateToolFile(
-    "OpenAI Responses",
-    item,
-    new Set<string>(ProviderShared.IMAGE_MIMES),
-  )
  return { type: "input_image" as const, image_url: media.dataUrl }
 })

-const lowerToolResultOutput = Effect.fn("OpenAIResponses.lowerToolResultOutput")(function* (part: ToolResultPart) {
+const lowerUserContent = Effect.fn("OpenAIResponses.lowerUserContent")(function* (
+  part: LLMRequest["messages"][number]["content"][number],
+  provider: string,
+) {
+  if (part.type === "text") return { type: "input_text" as const, text: part.text }
+  if (part.type === "media") return yield* lowerMedia(part, provider)
+  return yield* ProviderShared.unsupportedContent("OpenAI Responses", "user", ["text", "media"])
+})
+
+// Tool results may carry structured text, images, and files. Keep media as provider-native
+// content instead of JSON-stringifying base64 into a prompt string.
+const lowerToolResultContentItem = Effect.fn("OpenAIResponses.lowerToolResultContentItem")(function* (
+  item: ToolContent,
+  provider: string,
+) {
+  if (item.type === "text") return { type: "input_text" as const, text: item.text }
+  return yield* lowerMedia(
+    { type: "media", mediaType: item.mime, data: item.uri, filename: item.name },
+    provider,
+  )
+})
+
+const lowerToolResultOutput = Effect.fn("OpenAIResponses.lowerToolResultOutput")(function* (
+  part: ToolResultPart,
+  provider: string,
+) {
  // Text/json/error results are encoded as a plain string for backward
  // compatibility with existing cassettes and provider expectations.
  if (part.result.type !== "content") return ProviderShared.toolResultText(part)
  // Preserve the narrowed array element type when compiled through a consumer package.
  const content: ReadonlyArray<ToolContent> = part.result.value
-  return yield* Effect.forEach(content, lowerToolResultContentItem)
+  return yield* Effect.forEach(content, (item) => lowerToolResultContentItem(item, provider))
 })

 const lowerMessages = Effect.fn("OpenAIResponses.lowerMessages")(function* (request: LLMRequest) {
@@ -401,7 +433,10 @@ const lowerMessages = Effect.fn("OpenAIResponses.lowerMessages")(function* (requ
    }

    if (message.role === "user") {
-      input.push({ role: "user", content: yield* Effect.forEach(message.content, lowerUserContent) })
+      input.push({
+        role: "user",
+        content: yield* Effect.forEach(message.content, (part) => lowerUserContent(part, request.model.provider)),
+      })
      continue
    }

@@ -460,7 +495,9 @@ const lowerMessages = Effect.fn("OpenAIResponses.lowerMessages")(function* (requ
            const content: ReadonlyArray<ToolContent> = part.result.value
            input.push({
              role: "user",
-              content: yield* Effect.forEach(content, lowerToolResultContentItem),
+              content: yield* Effect.forEach(content, (item) =>
+                lowerToolResultContentItem(item, request.model.provider),
+              ),
            })
          }
          if (itemID) hostedToolReferences.add(itemID)
@@ -483,7 +520,7 @@ const lowerMessages = Effect.fn("OpenAIResponses.lowerMessages")(function* (requ
      input.push({
        type: "function_call_output",
        call_id: part.id,
-        output: yield* lowerToolResultOutput(part),
+        output: yield* lowerToolResultOutput(part, request.model.provider),
      })
    }
  }
@@ -565,7 +602,8 @@ const mapUsage = (usage: OpenAIResponsesUsage | null | undefined) => {

 const mapFinishReason = (event: OpenAIResponsesEvent, hasFunctionCall: boolean): FinishReason => {
  const reason = event.response?.incomplete_details?.reason
-  if (reason === undefined || reason === null) return hasFunctionCall ? "tool-calls" : "stop"
+  if (reason === undefined || reason === null)
+    return hasFunctionCall ? "tool-calls" : event.type === "response.incomplete" ? "unknown" : "stop"
  if (reason === "max_output_tokens") return "length"
  if (reason === "content_filter") return "content-filter"
  return hasFunctionCall ? "tool-calls" : "unknown"
@@ -158,7 +158,8 @@ export const parseToolInput = (route: string, name: string, raw: string) =>
 export const IMAGE_MIMES = ["image/png", "image/jpeg", "image/gif", "image/webp"] as const
 export const VIDEO_MIMES = ["video/mp4", "video/webm", "video/quicktime"] as const
 export const AUDIO_MIMES = ["audio/wav", "audio/mp3", "audio/aiff", "audio/aac", "audio/ogg", "audio/flac"] as const
-export const MEDIA_MIMES = [...IMAGE_MIMES, ...VIDEO_MIMES, ...AUDIO_MIMES] as const
+export const PDF_MIMES = ["application/pdf"] as const
+export const MEDIA_MIMES = [...IMAGE_MIMES, ...VIDEO_MIMES, ...AUDIO_MIMES, ...PDF_MIMES] as const
 export const MAX_MEDIA_ENCODED_BYTES = 28 * 1024 * 1024
 export const MAX_MEDIA_DECODED_BYTES = 20 * 1024 * 1024

@@ -49,10 +49,10 @@ const DOCUMENT_FORMATS = {
  "text/markdown": "md",
 } as const satisfies Record<string, DocumentFormat>

-const documentBlock = (part: MediaPart, format: DocumentFormat, bytes: string): DocumentBlock => ({
+const documentBlock = (name: string, format: DocumentFormat, bytes: string): DocumentBlock => ({
  document: {
    format,
-    name: part.filename ?? `document.${format}`,
+    name,
    source: { bytes },
  },
 })
@@ -77,12 +77,14 @@ export const lower = Effect.fn("BedrockMedia.lower")(function* (part: MediaPart)
    return yield* ProviderShared.invalidRequest(`Bedrock Converse does not support image media type ${part.mediaType}`)
  const documentFormat = DOCUMENT_FORMATS[mime as keyof typeof DOCUMENT_FORMATS]
  if (documentFormat) {
+    if (!part.filename)
+      return yield* ProviderShared.invalidRequest("Bedrock Converse document media requires a filename")
    const media = yield* ProviderShared.validateMedia(
      "Bedrock Converse",
      part,
      new Set<string>(Object.keys(DOCUMENT_FORMATS)),
    )
-    return documentBlock(part, documentFormat, media.base64)
+    return documentBlock(part.filename, documentFormat, media.base64)
  }
  return yield* ProviderShared.invalidRequest(`Bedrock Converse does not support media type ${part.mediaType}`)
 })
@@ -34,11 +34,12 @@ import { ProviderFailureClassification } from "./errors"
 *
 * **Semantics by provider**:
 *
- * - OpenAI Chat / Responses / Gemini / Bedrock: provider reports inclusive
+ * - OpenAI Chat / Responses / Gemini: provider reports inclusive
 *   `inputTokens` and an inclusive `outputTokens`; mapper subtracts to
 *   derive the breakdown.
- * - Anthropic: provider reports the breakdown natively (`input_tokens` is
- *   non-cached only); mapper sums to derive the inclusive `inputTokens`.
+ * - Anthropic and Bedrock report the input breakdown natively: Anthropic's
+ *   `input_tokens` and Bedrock's `inputTokens` are non-cached only. Their
+ *   mappers sum the breakdown to derive the inclusive `inputTokens`.
 *   Anthropic does *not* break extended-thinking out of `output_tokens`, so
 *   `reasoningTokens` is `undefined` and `outputTokens` carries the
 *   combined total — a documented limitation of the Anthropic API.
@@ -168,6 +168,7 @@ export type ModelToolSchemaCompatibility = Schema.Schema.Type<typeof ModelToolSc

 export class ModelCompatibility extends Schema.Class<ModelCompatibility>("LLM.ModelCompatibility")({
  toolSchema: Schema.optional(ModelToolSchemaCompatibility),
+  reasoningField: Schema.optional(Schema.String),
 }) {}

 export namespace ModelCompatibility {
@@ -68,10 +68,29 @@ const result = (call: ToolCallPart, value: ToolResultValueType | ToolSettlement,
    events:
      settlement.result.type === "error"
        ? [
-            LLMEvent.toolError({ id: call.id, name: call.name, message: String(settlement.result.value), error }),
-            LLMEvent.toolResult({ id: call.id, name: call.name, result: settlement.result }),
+            LLMEvent.toolError({
+              id: call.id,
+              name: call.name,
+              message: String(settlement.result.value),
+              error,
+              providerMetadata: call.providerMetadata,
+            }),
+            LLMEvent.toolResult({
+              id: call.id,
+              name: call.name,
+              result: settlement.result,
+              providerMetadata: call.providerMetadata,
+            }),
          ]
-        : [LLMEvent.toolResult({ id: call.id, name: call.name, result: settlement.result, output: settlement.output })],
+        : [
+            LLMEvent.toolResult({
+              id: call.id,
+              name: call.name,
+              result: settlement.result,
+              output: settlement.output,
+              providerMetadata: call.providerMetadata,
+            }),
+          ],
  }
 }

@@ -0,0 +1,35 @@
+{
+  "version": 1,
+  "metadata": {
+    "tags": [
+      "prefix:pdf",
+      "pdf",
+      "provider:anthropic",
+      "protocol:anthropic-messages",
+      "tool",
+      "tool-result"
+    ],
+    "name": "pdf/anthropic-tool-result",
+    "recordedAt": "2026-07-22T18:15:39.002Z"
+  },
+  "interactions": [
+    {
+      "transport": "http",
+      "request": {
+        "method": "POST",
+        "url": "https://api.anthropic.com/v1/messages",
+        "headers": {
+          "content-type": "application/json"
+        },
+        "body": "{\"model\":\"claude-haiku-4-5-20251001\",\"system\":[{\"type\":\"text\",\"text\":\"Read the PDF returned by the tool and follow the user's response format exactly.\"}],\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"Return only the verification code from the PDF.\"}]},{\"role\":\"assistant\",\"content\":[{\"type\":\"tool_use\",\"id\":\"call_pdf_1\",\"name\":\"read_pdf\",\"input\":{}}]},{\"role\":\"user\",\"content\":[{\"type\":\"tool_result\",\"tool_use_id\":\"call_pdf_1\",\"content\":[{\"type\":\"text\",\"text\":\"PDF read successfully\"},{\"type\":\"document\",\"source\":{\"type\":\"base64\",\"media_type\":\"application/pdf\",\"data\":\"JVBERi0xLjQKMSAwIG9iago8PCAvVHlwZSAvQ2F0YWxvZyAvUGFnZXMgMiAwIFIgPj4KZW5kb2JqCjIgMCBvYmoKPDwgL1R5cGUgL1BhZ2VzIC9LaWRzIFszIDAgUl0gL0NvdW50IDEgPj4KZW5kb2JqCjMgMCBvYmoKPDwgL1R5cGUgL1BhZ2UgL1BhcmVudCAyIDAgUiAvTWVkaWFCb3ggWzAgMCA2MTIgNzkyXSAvUmVzb3VyY2VzIDw8IC9Gb250IDw8IC9GMSA1IDAgUiA+PiA+PiAvQ29udGVudHMgNCAwIFIgPj4KZW5kb2JqCjQgMCBvYmoKPDwgL0xlbmd0aCA3NSA+PgpzdHJlYW0KQlQKL0YxIDE4IFRmCjcyIDcyMCBUZAooUERGIGNhc3NldHRlIHZlcmlmaWNhdGlvbiBjb2RlOiBPUkNISUQtNzM5MSkgVGoKRVQKZW5kc3RyZWFtCmVuZG9iago1IDAgb2JqCjw8IC9UeXBlIC9Gb250IC9TdWJ0eXBlIC9UeXBlMSAvQmFzZUZvbnQgL0hlbHZldGljYSA+PgplbmRvYmoKeHJlZgowIDYKMDAwMDAwMDAwMCA2NTUzNSBmIAowMDAwMDAwMDA5IDAwMDAwIG4gCjAwMDAwMDAwNTggMDAwMDAgbiAKMDAwMDAwMDExNSAwMDAwMCBuIAowMDAwMDAwMjQxIDAwMDAwIG4gCjAwMDAwMDAzNjUgMDAwMDAgbiAKdHJhaWxlcgo8PCAvU2l6ZSA2IC9Sb290IDEgMCBSID4+CnN0YXJ0eHJlZgo0MzUKJSVFT0YK\"}}]}]}],\"tools\":[{\"name\":\"read_pdf\",\"description\":\"Read the attached PDF.\",\"input_schema\":{\"type\":\"object\",\"properties\":{},\"additionalProperties\":false}}],\"stream\":true,\"max_tokens\":40,\"temperature\":0}"
+      },
+      "response": {
+        "status": 200,
+        "headers": {
+          "content-type": "text/event-stream; charset=utf-8"
+        },
+        "body": "event: message_start\ndata: {\"type\":\"message_start\",\"message\":{\"model\":\"claude-haiku-4-5-20251001\",\"id\":\"msg_011CdHYzxyRpSVFgwTm6ccUr\",\"type\":\"message\",\"role\":\"assistant\",\"content\":[],\"stop_reason\":null,\"stop_sequence\":null,\"stop_details\":null,\"usage\":{\"input_tokens\":2229,\"cache_creation_input_tokens\":0,\"cache_read_input_tokens\":0,\"cache_creation\":{\"ephemeral_5m_input_tokens\":0,\"ephemeral_1h_input_tokens\":0},\"output_tokens\":2,\"service_tier\":\"standard\",\"inference_geo\":\"not_available\"}}        }\n\nevent: content_block_start\ndata: {\"type\":\"content_block_start\",\"index\":0,\"content_block\":{\"type\":\"text\",\"text\":\"\"}              }\n\nevent: ping\ndata: {\"type\": \"ping\"}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"text_delta\",\"text\":\"ORCH\"}  }\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"text_delta\",\"text\":\"ID-7391\"}           }\n\nevent: content_block_stop\ndata: {\"type\":\"content_block_stop\",\"index\":0               }\n\nevent: message_delta\ndata: {\"type\":\"message_delta\",\"delta\":{\"stop_reason\":\"end_turn\",\"stop_sequence\":null,\"stop_details\":null},\"usage\":{\"input_tokens\":2229,\"cache_creation_input_tokens\":0,\"cache_read_input_tokens\":0,\"output_tokens\":9}       }\n\nevent: message_stop\ndata: {\"type\":\"message_stop\" }\n\n"
+      }
+    }
+  ]
+}
@@ -0,0 +1,34 @@
+{
+  "version": 1,
+  "metadata": {
+    "tags": [
+      "prefix:pdf",
+      "pdf",
+      "provider:anthropic",
+      "protocol:anthropic-messages",
+      "user-input"
+    ],
+    "name": "pdf/anthropic-user-input",
+    "recordedAt": "2026-07-22T18:15:37.979Z"
+  },
+  "interactions": [
+    {
+      "transport": "http",
+      "request": {
+        "method": "POST",
+        "url": "https://api.anthropic.com/v1/messages",
+        "headers": {
+          "content-type": "application/json"
+        },
+        "body": "{\"model\":\"claude-haiku-4-5-20251001\",\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"document\",\"source\":{\"type\":\"base64\",\"media_type\":\"application/pdf\",\"data\":\"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\"}},{\"type\":\"text\",\"text\":\"Return only the verification code from the PDF.\"}]}],\"stream\":true,\"max_tokens\":40,\"temperature\":0}"
+      },
+      "response": {
+        "status": 200,
+        "headers": {
+          "content-type": "text/event-stream; charset=utf-8"
+        },
+        "body": "event: message_start\ndata: {\"type\":\"message_start\",\"message\":{\"model\":\"claude-haiku-4-5-20251001\",\"id\":\"msg_011CdHYzsayb45rgfamcjFt3\",\"type\":\"message\",\"role\":\"assistant\",\"content\":[],\"stop_reason\":null,\"stop_sequence\":null,\"stop_details\":null,\"usage\":{\"input_tokens\":1602,\"cache_creation_input_tokens\":0,\"cache_read_input_tokens\":0,\"cache_creation\":{\"ephemeral_5m_input_tokens\":0,\"ephemeral_1h_input_tokens\":0},\"output_tokens\":2,\"service_tier\":\"standard\",\"inference_geo\":\"not_available\"}}           }\n\nevent: content_block_start\ndata: {\"type\":\"content_block_start\",\"index\":0,\"content_block\":{\"type\":\"text\",\"text\":\"\"}         }\n\nevent: ping\ndata: {\"type\": \"ping\"}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"text_delta\",\"text\":\"ORCH\"}              }\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"text_delta\",\"text\":\"ID-7391\"}}\n\nevent: content_block_stop\ndata: {\"type\":\"content_block_stop\",\"index\":0      }\n\nevent: message_delta\ndata: {\"type\":\"message_delta\",\"delta\":{\"stop_reason\":\"end_turn\",\"stop_sequence\":null,\"stop_details\":null},\"usage\":{\"input_tokens\":1602,\"cache_creation_input_tokens\":0,\"cache_read_input_tokens\":0,\"output_tokens\":9}    }\n\nevent: message_stop\ndata: {\"type\":\"message_stop\"              }\n\n"
+      }
+    }
+  ]
+}
@@ -0,0 +1,36 @@
+{
+  "version": 1,
+  "metadata": {
+    "tags": [
+      "prefix:pdf",
+      "pdf",
+      "provider:amazon-bedrock",
+      "protocol:bedrock-converse",
+      "tool",
+      "tool-result"
+    ],
+    "name": "pdf/bedrock-tool-result",
+    "recordedAt": "2026-07-22T18:15:52.400Z"
+  },
+  "interactions": [
+    {
+      "transport": "http",
+      "request": {
+        "method": "POST",
+        "url": "https://bedrock-runtime.us-east-1.amazonaws.com/model/us.anthropic.claude-haiku-4-5-20251001-v1%3A0/converse-stream",
+        "headers": {
+          "content-type": "application/json"
+        },
+        "body": "{\"modelId\":\"us.anthropic.claude-haiku-4-5-20251001-v1:0\",\"messages\":[{\"role\":\"user\",\"content\":[{\"text\":\"Return only the verification code from the PDF.\"}]},{\"role\":\"assistant\",\"content\":[{\"toolUse\":{\"toolUseId\":\"call_pdf_1\",\"name\":\"read_pdf\",\"input\":{}}}]},{\"role\":\"user\",\"content\":[{\"toolResult\":{\"toolUseId\":\"call_pdf_1\",\"content\":[{\"text\":\"PDF read successfully\"},{\"document\":{\"format\":\"pdf\",\"name\":\"verification\",\"source\":{\"bytes\":\"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\"}}}],\"status\":\"success\"}}]}],\"system\":[{\"text\":\"Read the PDF returned by the tool and follow the user's response format exactly.\"}],\"inferenceConfig\":{\"maxTokens\":40,\"temperature\":0},\"toolConfig\":{\"tools\":[{\"toolSpec\":{\"name\":\"read_pdf\",\"description\":\"Read the attached PDF.\",\"inputSchema\":{\"json\":{\"type\":\"object\",\"properties\":{},\"additionalProperties\":false}}}}]}}"
+      },
+      "response": {
+        "status": 200,
+        "headers": {
+          "content-type": "application/vnd.amazon.eventstream"
+        },
+        "body": "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",
+        "bodyEncoding": "base64"
+      }
+    }
+  ]
+}
@@ -0,0 +1,35 @@
+{
+  "version": 1,
+  "metadata": {
+    "tags": [
+      "prefix:pdf",
+      "pdf",
+      "provider:amazon-bedrock",
+      "protocol:bedrock-converse",
+      "user-input"
+    ],
+    "name": "pdf/bedrock-user-input",
+    "recordedAt": "2026-07-22T18:15:48.408Z"
+  },
+  "interactions": [
+    {
+      "transport": "http",
+      "request": {
+        "method": "POST",
+        "url": "https://bedrock-runtime.us-east-1.amazonaws.com/model/us.anthropic.claude-haiku-4-5-20251001-v1%3A0/converse-stream",
+        "headers": {
+          "content-type": "application/json"
+        },
+        "body": "{\"modelId\":\"us.anthropic.claude-haiku-4-5-20251001-v1:0\",\"messages\":[{\"role\":\"user\",\"content\":[{\"document\":{\"format\":\"pdf\",\"name\":\"verification\",\"source\":{\"bytes\":\"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\"}}},{\"text\":\"Return only the verification code from the PDF.\"}]}],\"inferenceConfig\":{\"maxTokens\":40,\"temperature\":0}}"
+      },
+      "response": {
+        "status": 200,
+        "headers": {
+          "content-type": "application/vnd.amazon.eventstream"
+        },
+        "body": "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",
+        "bodyEncoding": "base64"
+      }
+    }
+  ]
+}
@@ -0,0 +1,53 @@
+{
+  "version": 1,
+  "metadata": {
+    "tags": [
+      "prefix:pdf",
+      "pdf",
+      "provider:google",
+      "protocol:gemini",
+      "tool",
+      "tool-result"
+    ],
+    "name": "pdf/gemini-tool-result",
+    "recordedAt": "2026-07-22T18:21:59.606Z"
+  },
+  "interactions": [
+    {
+      "transport": "http",
+      "request": {
+        "method": "POST",
+        "url": "https://generativelanguage.googleapis.com/v1beta/models/gemini-3.5-flash:streamGenerateContent?alt=sse",
+        "headers": {
+          "content-type": "application/json"
+        },
+        "body": "{\"contents\":[{\"role\":\"user\",\"parts\":[{\"text\":\"Use read_pdf with path verification.pdf and return the verification code.\"}]}],\"systemInstruction\":{\"parts\":[{\"text\":\"Call read_pdf exactly once with path verification.pdf, then reply only with the verification code from its PDF.\"}]},\"tools\":[{\"functionDeclarations\":[{\"name\":\"read_pdf\",\"description\":\"Read the attached PDF.\",\"parameters\":{\"required\":[\"path\"],\"type\":\"object\",\"properties\":{\"path\":{\"type\":\"string\"}}}}]}],\"generationConfig\":{\"maxOutputTokens\":256,\"temperature\":0}}"
+      },
+      "response": {
+        "status": 200,
+        "headers": {
+          "content-type": "text/event-stream"
+        },
+        "body": "data: {\"candidates\": [{\"content\": {\"parts\": [{\"functionCall\": {\"name\": \"read_pdf\",\"args\": {\"path\": \"verification.pdf\"},\"id\": \"58shgmez\"},\"thoughtSignature\": \"EqkCCqYCARFNMg/JrCTv5i3zYENFBVpZNFL3pbzJmi5Eu387ncF703xFMB4pwyaP7a1gi49EqBhCI2hWOpesU5nZQOLAhGgExKGa2GM+HzpEB5g62r0NFblm/BGkVZaImTuHR7bytfRC5jHQlHKo4OS27OLUVjvkMkBIYsvjhDErY7niERbXJVpyxTVqUf1GgZMSu8kC9/5WDlMs9xVKNT/6KMW4PhhSR9nXg4KZUa+bC03/ydhsWWgBa5aLCgvTq7WPj217xIsmUkSiRedIffPsUSNjYdMHUvWi8bOlvM1veEEP6GIfv5h9gXXzjnHbEHfQxV8PZuBAyY7iM6nqyfkJNdkZ1HdB7DXMBsMsRN6SgrIrFoXX2WaGrkoEI5tdZx1t/gdwF1jEVT6k\"}],\"role\": \"model\"},\"index\": 0}],\"usageMetadata\": {\"promptTokenCount\": 81,\"candidatesTokenCount\": 18,\"totalTokenCount\": 151,\"promptTokensDetails\": [{\"modality\": \"TEXT\",\"tokenCount\": 81}],\"thoughtsTokenCount\": 52,\"serviceTier\": \"standard\"},\"modelVersion\": \"gemini-3.5-flash\",\"responseId\": \"RAphaui3OaSHz7IPy8Kb4Ak\"}\r\n\r\ndata: {\"candidates\": [{\"content\": {\"parts\": [{\"text\": \"\"}],\"role\": \"model\"},\"finishReason\": \"STOP\",\"index\": 0}],\"usageMetadata\": {\"promptTokenCount\": 81,\"candidatesTokenCount\": 18,\"totalTokenCount\": 151,\"promptTokensDetails\": [{\"modality\": \"TEXT\",\"tokenCount\": 81}],\"thoughtsTokenCount\": 52,\"serviceTier\": \"standard\"},\"modelVersion\": \"gemini-3.5-flash\",\"responseId\": \"RAphaui3OaSHz7IPy8Kb4Ak\"}\r\n\r\n"
+      }
+    },
+    {
+      "transport": "http",
+      "request": {
+        "method": "POST",
+        "url": "https://generativelanguage.googleapis.com/v1beta/models/gemini-3.5-flash:streamGenerateContent?alt=sse",
+        "headers": {
+          "content-type": "application/json"
+        },
+        "body": "{\"contents\":[{\"role\":\"user\",\"parts\":[{\"text\":\"Use read_pdf with path verification.pdf and return the verification code.\"}]},{\"role\":\"model\",\"parts\":[{\"functionCall\":{\"id\":\"58shgmez\",\"name\":\"read_pdf\",\"args\":{\"path\":\"verification.pdf\"}},\"thoughtSignature\":\"EqkCCqYCARFNMg/JrCTv5i3zYENFBVpZNFL3pbzJmi5Eu387ncF703xFMB4pwyaP7a1gi49EqBhCI2hWOpesU5nZQOLAhGgExKGa2GM+HzpEB5g62r0NFblm/BGkVZaImTuHR7bytfRC5jHQlHKo4OS27OLUVjvkMkBIYsvjhDErY7niERbXJVpyxTVqUf1GgZMSu8kC9/5WDlMs9xVKNT/6KMW4PhhSR9nXg4KZUa+bC03/ydhsWWgBa5aLCgvTq7WPj217xIsmUkSiRedIffPsUSNjYdMHUvWi8bOlvM1veEEP6GIfv5h9gXXzjnHbEHfQxV8PZuBAyY7iM6nqyfkJNdkZ1HdB7DXMBsMsRN6SgrIrFoXX2WaGrkoEI5tdZx1t/gdwF1jEVT6k\"}]},{\"role\":\"user\",\"parts\":[{\"functionResponse\":{\"id\":\"58shgmez\",\"name\":\"read_pdf\",\"response\":{\"name\":\"read_pdf\",\"content\":\"PDF read successfully\"},\"parts\":[{\"inlineData\":{\"mimeType\":\"application/pdf\",\"data\":\"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\"}}]}}]}],\"systemInstruction\":{\"parts\":[{\"text\":\"Call read_pdf exactly once with path verification.pdf, then reply only with the verification code from its PDF.\"}]},\"tools\":[{\"functionDeclarations\":[{\"name\":\"read_pdf\",\"description\":\"Read the attached PDF.\",\"parameters\":{\"required\":[\"path\"],\"type\":\"object\",\"properties\":{\"path\":{\"type\":\"string\"}}}}]}],\"generationConfig\":{\"maxOutputTokens\":256,\"temperature\":0}}"
+      },
+      "response": {
+        "status": 200,
+        "headers": {
+          "content-type": "text/event-stream"
+        },
+        "body": "data: {\"candidates\": [{\"content\": {\"parts\": [{\"text\": \"ORCHID-7391\"}],\"role\": \"model\"},\"index\": 0}],\"usageMetadata\": {\"promptTokenCount\": 123,\"candidatesTokenCount\": 8,\"totalTokenCount\": 184,\"promptTokensDetails\": [{\"modality\": \"TEXT\",\"tokenCount\": 123}],\"thoughtsTokenCount\": 53,\"serviceTier\": \"standard\"},\"modelVersion\": \"gemini-3.5-flash\",\"responseId\": \"RgphaoL6CMjQz7IPjOnEmQI\"}\r\n\r\ndata: {\"candidates\": [{\"content\": {\"parts\": [{\"text\": \"\",\"thoughtSignature\": \"EqECCp4CARFNMg9obBl8O6iU9lawUIWiE+1vztZm9NtaT9FuyJz343hd9ruz+xPco4Q1DY1GF81ZiSI2ElBkt8Wfwsqtix9LNGSMvbZhhk/ZnB54t05M/Dft1kujcMvEdZUWUI/jWaJ349tO1bKVH9MacG5+gl0n4y8DwyQZSV3xIcet547drSkcA/TM03RB+yj1/dcLHsvUjmv9EnO897vZgO2Dk4tbZ2NyCtOeQ3JKVhUTLg2pjkGk+POCNiOdESWiUzxdQKw9LiV6nnzi071tXNiMeVimq6d7xAzRVNapI2uXynvn9Uk3eyn85purOFa8cKriK9oD6vcyGMqgd9+gu2m3to0IHqd7o+2YSr1m5qV1xT1R2/WRQEtb1b1AuOAU6w==\"}],\"role\": \"model\"},\"finishReason\": \"STOP\",\"index\": 0}],\"usageMetadata\": {\"promptTokenCount\": 1277,\"candidatesTokenCount\": 8,\"totalTokenCount\": 1338,\"promptTokensDetails\": [{\"modality\": \"IMAGE\",\"tokenCount\": 1102},{\"modality\": \"TEXT\",\"tokenCount\": 175}],\"thoughtsTokenCount\": 53,\"serviceTier\": \"standard\"},\"modelVersion\": \"gemini-3.5-flash\",\"responseId\": \"RgphaoL6CMjQz7IPjOnEmQI\"}\r\n\r\n"
+      }
+    }
+  ]
+}
@@ -0,0 +1,34 @@
+{
+  "version": 1,
+  "metadata": {
+    "tags": [
+      "prefix:pdf",
+      "pdf",
+      "provider:google",
+      "protocol:gemini",
+      "user-input"
+    ],
+    "name": "pdf/gemini-user-input",
+    "recordedAt": "2026-07-22T18:20:55.140Z"
+  },
+  "interactions": [
+    {
+      "transport": "http",
+      "request": {
+        "method": "POST",
+        "url": "https://generativelanguage.googleapis.com/v1beta/models/gemini-3.5-flash:streamGenerateContent?alt=sse",
+        "headers": {
+          "content-type": "application/json"
+        },
+        "body": "{\"contents\":[{\"role\":\"user\",\"parts\":[{\"inlineData\":{\"mimeType\":\"application/pdf\",\"data\":\"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\"}},{\"text\":\"Return only the verification code from the PDF.\"}]}],\"generationConfig\":{\"maxOutputTokens\":256,\"temperature\":0}}"
+      },
+      "response": {
+        "status": 200,
+        "headers": {
+          "content-type": "text/event-stream"
+        },
+        "body": "data: {\"candidates\": [{\"content\": {\"parts\": [{\"text\": \"ORCH\"}],\"role\": \"model\"},\"index\": 0}],\"usageMetadata\": {\"promptTokenCount\": 10,\"candidatesTokenCount\": 2,\"totalTokenCount\": 127,\"promptTokensDetails\": [{\"modality\": \"TEXT\",\"tokenCount\": 10}],\"thoughtsTokenCount\": 115,\"serviceTier\": \"standard\"},\"modelVersion\": \"gemini-3.5-flash\",\"responseId\": \"BQpharW2KaPgz7IP6uSLiAw\"}\r\n\r\ndata: {\"candidates\": [{\"content\": {\"parts\": [{\"text\": \"ID-7391\"}],\"role\": \"model\"},\"index\": 0}],\"usageMetadata\": {\"promptTokenCount\": 10,\"candidatesTokenCount\": 8,\"totalTokenCount\": 133,\"promptTokensDetails\": [{\"modality\": \"TEXT\",\"tokenCount\": 10}],\"thoughtsTokenCount\": 115,\"serviceTier\": \"standard\"},\"modelVersion\": \"gemini-3.5-flash\",\"responseId\": \"BQpharW2KaPgz7IP6uSLiAw\"}\r\n\r\ndata: {\"candidates\": [{\"content\": {\"parts\": [{\"text\": \"\",\"thoughtSignature\": \"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\"}],\"role\": \"model\"},\"finishReason\": \"STOP\",\"index\": 0}],\"usageMetadata\": {\"promptTokenCount\": 530,\"candidatesTokenCount\": 8,\"totalTokenCount\": 653,\"promptTokensDetails\": [{\"modality\": \"IMAGE\",\"tokenCount\": 520},{\"modality\": \"TEXT\",\"tokenCount\": 10}],\"thoughtsTokenCount\": 115,\"serviceTier\": \"standard\"},\"modelVersion\": \"gemini-3.5-flash\",\"responseId\": \"BQpharW2KaPgz7IP6uSLiAw\"}\r\n\r\n"
+      }
+    }
+  ]
+}
@@ -59,7 +59,12 @@ export const runTools = <T extends Tools>(options: RunOptions<T>) =>
            ...request.messages,
            Message.assistant(state.assistantContent),
            ...dispatched.map(([call, dispatched]) =>
-              Message.tool({ id: call.id, name: call.name, result: dispatched.result }),
+              Message.tool({
+                id: call.id,
+                name: call.name,
+                result: dispatched.result,
+                providerMetadata: call.providerMetadata,
+              }),
            ),
          ],
        })
@@ -235,9 +235,9 @@ describe("Anthropic Messages route", () => {
    }),
  )

-  // Regression: screenshot/read tool results must stay structured so base64
-  // image data is not JSON-stringified into `tool_result.content`.
-  it.effect("lowers image tool-result content as structured image blocks", () =>
+  // Regression: read tool results must stay structured so base64 media data is
+  // not JSON-stringified into `tool_result.content`.
+  it.effect("lowers media tool-result content as structured blocks", () =>
    Effect.gen(function* () {
      const prepared = yield* LLMClient.prepare<AnthropicMessages.AnthropicMessagesBody>(
        LLM.request({
@@ -253,6 +253,7 @@ describe("Anthropic Messages route", () => {
              result: [
                { type: "text", text: "Image read successfully" },
                { type: "file", uri: "data:image/png;base64,AAECAw==", mime: "image/png" },
+                { type: "file", uri: "data:application/pdf;base64,JVBERi0xLjQ=", mime: "application/pdf" },
              ],
            }),
          ],
@@ -263,6 +264,7 @@ describe("Anthropic Messages route", () => {
      expect(expectToolResult(prepared.body).content).toEqual([
        { type: "text", text: "Image read successfully" },
        { type: "image", source: { type: "base64", media_type: "image/png", data: "AAECAw==" } },
+        { type: "document", source: { type: "base64", media_type: "application/pdf", data: "JVBERi0xLjQ=" } },
      ])
    }),
  )
@@ -292,7 +294,7 @@ describe("Anthropic Messages route", () => {
    }),
  )

-  it.effect("rejects non-image media in tool-result content with a clear error", () =>
+  it.effect("rejects unsupported media in tool-result content with a clear error", () =>
    Effect.gen(function* () {
      const error = yield* LLMClient.prepare(
        LLM.request({
@@ -756,7 +758,7 @@ describe("Anthropic Messages route", () => {
    }),
  )

-  it.effect("continues a conversation with user image content", () =>
+  it.effect("continues a conversation with user media content", () =>
    Effect.gen(function* () {
      const response = yield* LLMClient.generate(
        LLM.request({
@@ -766,6 +768,7 @@ describe("Anthropic Messages route", () => {
            Message.user([
              { type: "text", text: "What is in this image?" },
              { type: "media", mediaType: "image/png", data: "AAECAw==" },
+              { type: "media", mediaType: "application/pdf", data: "JVBERi0xLjQ=", filename: "report.pdf" },
            ]),
          ],
        }),
@@ -781,6 +784,7 @@ describe("Anthropic Messages route", () => {
                    content: [
                      { type: "text", text: "What is in this image?" },
                      { type: "image", source: { type: "base64", media_type: "image/png", data: "AAECAw==" } },
+                      { type: "document", source: { type: "base64", media_type: "application/pdf", data: "JVBERi0xLjQ=" } },
                    ],
                  },
                ],
@@ -13,12 +13,8 @@ const RECORDING_REGION = process.env.BEDROCK_RECORDING_REGION ?? "us-east-1"
 // call wouldn't deterministically prove cache mapping works. Override with
 // BEDROCK_CACHE_MODEL_ID if your account has access elsewhere.
 const model = AmazonBedrock.configure({
-  credentials: {
-    region: RECORDING_REGION,
-    accessKeyId: process.env.AWS_ACCESS_KEY_ID ?? "fixture",
-    secretAccessKey: process.env.AWS_SECRET_ACCESS_KEY ?? "fixture",
-    sessionToken: process.env.AWS_SESSION_TOKEN,
-  },
+  apiKey: process.env.AWS_BEARER_TOKEN_BEDROCK ?? "fixture",
+  region: RECORDING_REGION,
 }).model(process.env.BEDROCK_CACHE_MODEL_ID ?? "us.anthropic.claude-haiku-4-5-20251001-v1:0")

 const cacheRequest = LLM.request({
@@ -36,7 +32,7 @@ const recorded = recordedTests({
  prefix: "bedrock-converse-cache",
  provider: "amazon-bedrock",
  protocol: "bedrock-converse",
-  requires: ["AWS_ACCESS_KEY_ID", "AWS_SECRET_ACCESS_KEY"],
+  requires: ["AWS_BEARER_TOKEN_BEDROCK"],
  // Two identical requests in one cassette — replay walks the cassette in
  // recording order so the second call replays the cached-hit interaction.
 })
@@ -45,10 +41,20 @@ describe("Bedrock Converse cache recorded", () => {
  recorded.effect.with("writes then reads cachePoint on identical second call", { tags: ["cache"] }, () =>
    Effect.gen(function* () {
      const first = yield* LLMClient.generate(cacheRequest)
-      expect(first.usage?.cacheReadInputTokens ?? 0).toBeGreaterThanOrEqual(0)
+      expect(first.usage?.cacheWriteInputTokens ?? 0).toBeGreaterThan(0)
+      expect(first.usage?.inputTokens).toBe(
+        (first.usage?.nonCachedInputTokens ?? 0) +
+          (first.usage?.cacheReadInputTokens ?? 0) +
+          (first.usage?.cacheWriteInputTokens ?? 0),
+      )

      const second = yield* LLMClient.generate(cacheRequest)
      expect(second.usage?.cacheReadInputTokens ?? 0).toBeGreaterThan(0)
+      expect(second.usage?.inputTokens).toBe(
+        (second.usage?.nonCachedInputTokens ?? 0) +
+          (second.usage?.cacheReadInputTokens ?? 0) +
+          (second.usage?.cacheWriteInputTokens ?? 0),
+      )
    }),
  )
 })
@@ -269,6 +269,39 @@ describe("Bedrock Converse route", () => {
    }),
  )

+  it.effect("adds cache reads and writes to Bedrock input usage", () =>
+    Effect.gen(function* () {
+      const body = eventStreamBody(
+        ["messageStart", { role: "assistant" }],
+        ["contentBlockDelta", { contentBlockIndex: 0, delta: { text: "Hello" } }],
+        ["contentBlockStop", { contentBlockIndex: 0 }],
+        ["messageStop", { stopReason: "end_turn" }],
+        [
+          "metadata",
+          {
+            usage: {
+              inputTokens: 5,
+              outputTokens: 2,
+              totalTokens: 12,
+              cacheReadInputTokens: 3,
+              cacheWriteInputTokens: 2,
+            },
+          },
+        ],
+      )
+      const response = yield* LLMClient.generate(baseRequest).pipe(Effect.provide(fixedBytes(body)))
+
+      expect(response.usage).toMatchObject({
+        inputTokens: 10,
+        nonCachedInputTokens: 5,
+        cacheReadInputTokens: 3,
+        cacheWriteInputTokens: 2,
+        outputTokens: 2,
+        totalTokens: 12,
+      })
+    }),
+  )
+
  it.effect("assembles streamed tool call input", () =>
    Effect.gen(function* () {
      const body = eventStreamBody(
@@ -549,10 +582,12 @@ describe("Bedrock Converse route", () => {
        LLM.request({
          id: "req_doc",
          model,
+          cache: "none",
          messages: [
            Message.user([
+              { type: "text", text: "Summarize these documents." },
              { type: "media", mediaType: "application/pdf", data: "UERGREFUQQ==", filename: "report.pdf" },
-              { type: "media", mediaType: "text/csv", data: "Q1NWREFUQQ==" },
+              { type: "media", mediaType: "text/csv", data: "Q1NWREFUQQ==", filename: "data.csv" },
            ]),
          ],
        }),
@@ -563,10 +598,9 @@ describe("Bedrock Converse route", () => {
          {
            role: "user",
            content: [
-              // Filename round-trips when supplied.
+              { text: "Summarize these documents." },
              { document: { format: "pdf", name: "report.pdf", source: { bytes: "UERGREFUQQ==" } } },
-              // Falls back to a stable placeholder when filename is missing.
-              { document: { format: "csv", name: "document.csv", source: { bytes: "Q1NWREFUQQ==" } } },
+              { document: { format: "csv", name: "data.csv", source: { bytes: "Q1NWREFUQQ==" } } },
            ],
          },
        ],
@@ -574,6 +608,96 @@ describe("Bedrock Converse route", () => {
    }),
  )

+  it.effect("requires names for document media", () =>
+    Effect.gen(function* () {
+      const error = yield* LLMClient.prepare(
+        LLM.request({
+          model,
+          messages: [Message.user({ type: "media", mediaType: "application/pdf", data: "UERGREFUQQ==" })],
+        }),
+      ).pipe(Effect.flip)
+
+      expect(error.message).toContain("document media requires a filename")
+    }),
+  )
+
+  it.effect("passes named document-only messages through for provider validation", () =>
+    Effect.gen(function* () {
+      const prepared = yield* LLMClient.prepare<BedrockConverse.BedrockConverseBody>(
+        LLM.request({
+          model,
+          cache: "none",
+          messages: [
+            Message.user({
+              type: "media",
+              mediaType: "application/pdf",
+              data: "UERGREFUQQ==",
+              filename: "report.pdf",
+            }),
+          ],
+        }),
+      )
+
+      expect(prepared.body.messages).toEqual([
+        {
+          role: "user",
+          content: [{ document: { format: "pdf", name: "report.pdf", source: { bytes: "UERGREFUQQ==" } } }],
+        },
+      ])
+    }),
+  )
+
+  it.effect("lowers document media in tool results", () =>
+    Effect.gen(function* () {
+      const prepared = yield* LLMClient.prepare<BedrockConverse.BedrockConverseBody>(
+        LLM.request({
+          model,
+          messages: [
+            Message.assistant([ToolCallPart.make({ id: "call_1", name: "read", input: { path: "report.pdf" } })]),
+            Message.tool({
+              id: "call_1",
+              name: "read",
+              result: {
+                type: "content",
+                value: [
+                  { type: "text", text: "Read successfully" },
+                  {
+                    type: "file",
+                    uri: "data:application/pdf;base64,UERGREFUQQ==",
+                    mime: "application/pdf",
+                    name: "report",
+                  },
+                ],
+              },
+            }),
+          ],
+        }),
+      )
+
+      expect(prepared.body.messages).toEqual([
+        {
+          role: "assistant",
+          content: [{ toolUse: { toolUseId: "call_1", name: "read", input: { path: "report.pdf" } } }],
+        },
+        {
+          role: "user",
+          content: [
+            {
+              toolResult: {
+                toolUseId: "call_1",
+                status: "success",
+                content: [
+                  { text: "Read successfully" },
+                  { document: { format: "pdf", name: "report", source: { bytes: "UERGREFUQQ==" } } },
+                ],
+              },
+            },
+          ],
+        },
+      ])
+    }),
+  )
+
  it.effect("rejects unsupported image media types", () =>
    Effect.gen(function* () {
      const error = yield* LLMClient.prepare(
@@ -70,6 +70,7 @@ describe("Gemini route", () => {
            Message.user([
              { type: "text", text: "What is in this image?" },
              { type: "media", mediaType: "image/png", data: "AAECAw==" },
+              { type: "media", mediaType: "application/pdf", data: "JVBERi0xLjQ=" },
            ]),
            Message.assistant([ToolCallPart.make({ id: "call_1", name: "lookup", input: { query: "weather" } })]),
            Message.tool({ id: "call_1", name: "lookup", result: { forecast: "sunny" } }),
@@ -81,7 +82,11 @@ describe("Gemini route", () => {
        contents: [
          {
            role: "user",
-            parts: [{ text: "What is in this image?" }, { inlineData: { mimeType: "image/png", data: "AAECAw==" } }],
+            parts: [
+              { text: "What is in this image?" },
+              { inlineData: { mimeType: "image/png", data: "AAECAw==" } },
+              { inlineData: { mimeType: "application/pdf", data: "JVBERi0xLjQ=" } },
+            ],
          },
          {
            role: "model",
@@ -90,7 +95,12 @@ describe("Gemini route", () => {
          {
            role: "user",
            parts: [
-              { functionResponse: { name: "lookup", response: { name: "lookup", content: '{"forecast":"sunny"}' } } },
+              {
+                functionResponse: {
+                  name: "lookup",
+                  response: { name: "lookup", content: '{"forecast":"sunny"}' },
+                },
+              },
            ],
          },
        ],
@@ -110,7 +120,7 @@ describe("Gemini route", () => {
    }),
  )

-  it.effect("continues image tool results as inline vision input without base64 text", () =>
+  it.effect("continues media tool results as inline model input without base64 text", () =>
    Effect.gen(function* () {
      const prepared = yield* LLMClient.prepare<Gemini.GeminiBody>(
        LLM.request({
@@ -125,6 +135,7 @@ describe("Gemini route", () => {
                value: [
                  { type: "text", text: "Image read successfully" },
                  { type: "file", uri: "data:image/png;base64,AAECAw==", mime: "image/png", name: "pixel.png" },
+                  { type: "file", uri: "data:application/pdf;base64,JVBERi0xLjQ=", mime: "application/pdf" },
                ],
              },
            }),
@@ -141,9 +152,12 @@ describe("Gemini route", () => {
              functionResponse: {
                name: "read",
                response: { name: "read", content: "Image read successfully" },
+                parts: [
+                  { inlineData: { mimeType: "image/png", data: "AAECAw==" } },
+                  { inlineData: { mimeType: "application/pdf", data: "JVBERi0xLjQ=" } },
+                ],
              },
            },
-            { inlineData: { mimeType: "image/png", data: "AAECAw==" } },
          ],
        },
      ])
@@ -174,8 +188,13 @@ describe("Gemini route", () => {
        {
          role: "user",
          parts: [
-            { functionResponse: { name: "read", response: { name: "read", content: "" } } },
-            { inlineData: { mimeType: "image/jpeg", data: "/9j/" } },
+            {
+              functionResponse: {
+                name: "read",
+                response: { name: "read", content: "" },
+                parts: [{ inlineData: { mimeType: "image/jpeg", data: "/9j/" } }],
+              },
+            },
          ],
        },
      ])
@@ -372,7 +391,10 @@ describe("Gemini route", () => {
              parts: [
                { text: "thinking", thought: true },
                { text: "", thought: true, thoughtSignature: "thought_sig" },
-                { functionCall: { name: "lookup", args: { query: "weather" } }, thoughtSignature: "tool_sig" },
+                {
+                  functionCall: { id: "provider_call", name: "lookup", args: { query: "weather" } },
+                  thoughtSignature: "tool_sig",
+                },
              ],
            },
            finishReason: "STOP",
@@ -398,7 +420,10 @@ describe("Gemini route", () => {
        id: "reasoning-0",
        providerMetadata: { google: { thoughtSignature: "thought_sig" } },
      })
-      expect(toolCall).toMatchObject({ providerMetadata: { google: { thoughtSignature: "tool_sig" } } })
+      expect(toolCall).toMatchObject({
+        id: "tool_0",
+        providerMetadata: { google: { functionCallId: "provider_call", thoughtSignature: "tool_sig" } },
+      })
      expect(response.events.findIndex((event) => event.type === "reasoning-end")).toBeLessThan(
        response.events.findIndex((event) => event.type === "tool-call"),
      )
@@ -416,6 +441,13 @@ describe("Gemini route", () => {
                providerMetadata: toolCall?.providerMetadata,
              }),
            ]),
+            Message.tool({
+              id: "tool_0",
+              name: "lookup",
+              result: "done",
+              resultType: "text",
+              providerMetadata: toolCall?.providerMetadata,
+            }),
          ],
        }),
      )
@@ -424,7 +456,22 @@ describe("Gemini route", () => {
          role: "model",
          parts: [
            { text: "thinking", thought: true, thoughtSignature: "thought_sig" },
-            { functionCall: { name: "lookup", args: { query: "weather" } }, thoughtSignature: "tool_sig" },
+            {
+              functionCall: { id: "provider_call", name: "lookup", args: { query: "weather" } },
+              thoughtSignature: "tool_sig",
+            },
+          ],
+        },
+        {
+          role: "user",
+          parts: [
+            {
+              functionResponse: {
+                id: "provider_call",
+                name: "lookup",
+                response: { name: "lookup", content: "done" },
+              },
+            },
          ],
        },
      ])
@@ -498,7 +545,7 @@ describe("Gemini route", () => {
            content: {
              role: "model",
              parts: [
-                { functionCall: { name: "lookup", args: { query: "weather" } } },
+                { functionCall: { id: "tool_0", name: "lookup", args: { query: "weather" } } },
                { functionCall: { name: "lookup", args: { query: "news" } } },
              ],
            },
@@ -513,7 +560,13 @@ describe("Gemini route", () => {
      ).pipe(Effect.provide(fixedResponse(body)))

      expect(response.toolCalls).toEqual([
-        { type: "tool-call", id: "tool_0", name: "lookup", input: { query: "weather" } },
+        {
+          type: "tool-call",
+          id: "tool_0",
+          name: "lookup",
+          input: { query: "weather" },
+          providerMetadata: { google: { functionCallId: "tool_0" } },
+        },
        { type: "tool-call", id: "tool_1", name: "lookup", input: { query: "news" } },
      ])
      expect(response.events.at(-1)).toMatchObject({ type: "finish", reason: "tool-calls" })
@@ -1,6 +1,6 @@
 import { describe, expect } from "bun:test"
 import { Effect } from "effect"
-import { LLM, LLMEvent, LLMResponse } from "../../src"
+import { LLM, LLMEvent, LLMResponse, Model } from "../../src"
 import { OpenAIChat } from "../../src/protocols/openai-chat"
 import * as OpenAICompatible from "../../src/providers/openai-compatible"
 import * as OpenRouter from "../../src/providers/openrouter"
@@ -11,22 +11,28 @@ import { expectWeatherToolLoop, goldenWeatherToolLoopRequest, runWeatherToolLoop
 const cases = [
  {
    name: "OpenRouter",
-    model: OpenRouter.configure({
-      apiKey: process.env.OPENROUTER_API_KEY ?? "fixture",
-      providerOptions: { openrouter: { reasoning: { max_tokens: 1024 } } },
-    }).model("anthropic/claude-sonnet-4.6"),
+    model: Model.update(
+      OpenRouter.configure({
+        apiKey: process.env.OPENROUTER_API_KEY ?? "fixture",
+        providerOptions: { openrouter: { reasoning: { max_tokens: 1024 } } },
+      }).model("anthropic/claude-sonnet-4.6"),
+      { compatibility: { reasoningField: "reasoning" } },
+    ),
    requires: ["OPENROUTER_API_KEY"],
    cassette: "openrouter-reasoning",
    structured: true,
  },
  {
    name: "Vercel AI Gateway",
-    model: OpenAICompatible.configure({
-      provider: "vercel-ai-gateway",
-      baseURL: "https://ai-gateway.vercel.sh/v1",
-      apiKey: process.env.AI_GATEWAY_API_KEY ?? "fixture",
-      http: { body: { reasoning: { enabled: true, max_tokens: 1024 } } },
-    }).model("anthropic/claude-sonnet-4.6"),
+    model: Model.update(
+      OpenAICompatible.configure({
+        provider: "vercel-ai-gateway",
+        baseURL: "https://ai-gateway.vercel.sh/v1",
+        apiKey: process.env.AI_GATEWAY_API_KEY ?? "fixture",
+        http: { body: { reasoning: { enabled: true, max_tokens: 1024 } } },
+      }).model("anthropic/claude-sonnet-4.6"),
+      { compatibility: { reasoningField: "reasoning" } },
+    ),
    requires: ["AI_GATEWAY_API_KEY"],
    cassette: "vercel-ai-gateway-reasoning",
    structured: true,
@@ -92,6 +92,45 @@ describe("OpenAI Chat route", () => {
    }),
  )

+  it.effect("writes reasoning to a configured custom field on every assistant message", () =>
+    Effect.gen(function* () {
+      const prepared = yield* LLMClient.prepare<OpenAIChat.OpenAIChatBody>(
+        LLM.request({
+          model: Model.update(model, { compatibility: { reasoningField: "vendor_reasoning" } }),
+          messages: [
+            Message.assistant([
+              {
+                type: "reasoning",
+                text: "thinking",
+                providerMetadata: { openai: { reasoningField: "reasoning" } },
+              },
+              { type: "text", text: "Hello" },
+            ]),
+            Message.assistant("Done"),
+          ],
+        }),
+      )
+
+      expect(prepared.body.messages).toEqual([
+        { role: "assistant", content: "Hello", vendor_reasoning: "thinking" },
+        { role: "assistant", content: "Done", vendor_reasoning: "" },
+      ])
+    }),
+  )
+
+  it.effect("rejects reasoning fields that conflict with assistant message fields", () =>
+    Effect.gen(function* () {
+      const error = yield* LLMClient.prepare(
+        LLM.request({
+          model: Model.update(model, { compatibility: { reasoningField: "content" } }),
+          messages: [Message.assistant([{ type: "reasoning", text: "thinking" }])],
+        }),
+      ).pipe(Effect.flip)
+
+      expect(error.message).toContain("reserved field content")
+    }),
+  )
+
  it.effect("maps OpenAI provider options to Chat options", () =>
    Effect.gen(function* () {
      const prepared = yield* LLMClient.prepare<OpenAIChat.OpenAIChatBody>(
@@ -570,6 +609,35 @@ describe("OpenAI Chat route", () => {
    }),
  )

+  it.effect("parses and replays a configured custom reasoning field", () =>
+    Effect.gen(function* () {
+      const custom = Model.update(model, { compatibility: { reasoningField: "vendor_reasoning" } })
+      const response = yield* LLMClient.generate(LLM.updateRequest(request, { model: custom })).pipe(
+        Effect.provide(
+          fixedResponse(
+            sseEvents(
+              { choices: [{ delta: { vendor_reasoning: "thinking" } }] },
+              { choices: [{ delta: { content: "Hello" } }] },
+              { choices: [{ delta: {}, finish_reason: "stop" }] },
+            ),
+          ),
+        ),
+      )
+
+      expect(response.reasoning).toBe("thinking")
+      expect(response.message.content.find((part) => part.type === "reasoning")?.providerMetadata).toEqual({
+        openai: { reasoningField: "vendor_reasoning" },
+      })
+
+      const replay = yield* LLMClient.prepare<OpenAIChat.OpenAIChatBody>(
+        LLM.request({ model: custom, messages: [response.message] }),
+      )
+      expect(replay.body.messages).toEqual([
+        { role: "assistant", content: "Hello", vendor_reasoning: "thinking" },
+      ])
+    }),
+  )
+
  it.effect("preserves and replays reasoning details alongside scalar reasoning", () =>
    Effect.gen(function* () {
      const details = [
@@ -5,6 +5,7 @@ import { LLM, LLMError, LLMEvent, Message, Model, ToolCallPart, ToolResultPart,
 import { Auth, LLMClient, RequestExecutor, WebSocketExecutor } from "../../src/route"
 import * as Azure from "../../src/providers/azure"
 import * as OpenAI from "../../src/providers/openai"
+import * as XAI from "../../src/providers/xai"
 import * as OpenAIResponses from "../../src/protocols/openai-responses"
 import * as ProviderShared from "../../src/protocols/shared"
 import { continuationRequest, nativeOpenAIResponsesContinuation } from "../continuation-scenarios"
@@ -16,6 +17,8 @@ const model = OpenAIResponses.route
  .with({ endpoint: { baseURL: "https://api.openai.test/v1/" }, auth: Auth.bearer("test") })
  .model({ id: "gpt-4.1-mini" })

+const xaiModel = XAI.configure({ apiKey: "test", baseURL: "https://api.x.ai/v1" }).responses("grok-4.5")
+
 const request = LLM.request({
  id: "req_1",
  model,
@@ -524,7 +527,77 @@ describe("OpenAI Responses route", () => {
    }),
  )

-  it.effect("rejects non-image media in tool-result content with a clear error", () =>
+  it.effect("lowers PDF tool-result content as structured input_file array", () =>
+    Effect.gen(function* () {
+      const prepared = yield* LLMClient.prepare<OpenAIResponses.OpenAIResponsesBody>(
+        LLM.request({
+          id: "req_tool_result_pdf",
+          model,
+          messages: [
+            Message.assistant([ToolCallPart.make({ id: "call_1", name: "read", input: {} })]),
+            Message.tool({
+              id: "call_1",
+              name: "read",
+              resultType: "content",
+              result: [
+                {
+                  type: "file",
+                  uri: "data:application/pdf;base64,JVBERi0xLjQ=",
+                  mime: "application/pdf",
+                  name: "report.pdf",
+                },
+              ],
+            }),
+          ],
+        }),
+      )
+
+      expect(expectToolOutput(prepared.body).output).toEqual([
+        {
+          type: "input_file",
+          filename: "report.pdf",
+          file_data: "data:application/pdf;base64,JVBERi0xLjQ=",
+        },
+      ])
+    }),
+  )
+
+  it.effect("uses xAI inline file encoding for PDF tool results", () =>
+    Effect.gen(function* () {
+      const prepared = yield* LLMClient.prepare<OpenAIResponses.OpenAIResponsesBody>(
+        LLM.request({
+          model: xaiModel,
+          messages: [
+            Message.assistant([ToolCallPart.make({ id: "call_1", name: "read", input: {} })]),
+            Message.tool({
+              id: "call_1",
+              name: "read",
+              resultType: "content",
+              result: [
+                {
+                  type: "file",
+                  uri: "data:application/pdf;base64,JVBERi0xLjQ=",
+                  mime: "application/pdf",
+                  name: "report.pdf",
+                },
+              ],
+            }),
+          ],
+        }),
+      )
+
+      expect(expectToolOutput(prepared.body).output).toEqual([
+        {
+          type: "input_file",
+          filename: "report.pdf",
+          file_data: "JVBERi0xLjQ=",
+          mime_type: "application/pdf",
+        },
+      ])
+    }),
+  )
+
+  it.effect("rejects unsupported media in tool-result content with a clear error", () =>
    Effect.gen(function* () {
      const error = yield* LLMClient.prepare(
        LLM.request({
@@ -797,6 +870,32 @@ describe("OpenAI Responses route", () => {
    }),
  )

+  it.effect("maps incomplete response reasons", () =>
+    Effect.gen(function* () {
+      const generate = (incompleteDetails: object) =>
+        LLMClient.generate(request).pipe(
+          Effect.provide(
+            fixedResponse(
+              sseEvents({
+                type: "response.incomplete",
+                response: { id: "resp_incomplete", incomplete_details: incompleteDetails },
+              }),
+            ),
+          ),
+        )
+
+      const length = yield* generate({ reason: "max_output_tokens" })
+      const contentFilter = yield* generate({ reason: "content_filter" })
+      const unknown = yield* generate({})
+
+      expect([length.finishReason, contentFilter.finishReason, unknown.finishReason]).toEqual([
+        "length",
+        "content-filter",
+        "unknown",
+      ])
+    }),
+  )
+
  // OpenAI's documented stream orders output text within one message item; no
  // provider-valid same-kind overlap is evidenced, so done boundaries close it.
  it.effect("closes sequential output messages before starting the next", () =>
@@ -1526,20 +1625,64 @@ describe("OpenAI Responses route", () => {
    }),
  )

-  it.effect("lowers user image content", () =>
+  it.effect("lowers user image and PDF content", () =>
    Effect.gen(function* () {
      const prepared = yield* LLMClient.prepare<OpenAIResponses.OpenAIResponsesBody>(
        LLM.request({
          id: "req_media",
          model,
-          messages: [Message.user({ type: "media", mediaType: "image/png", data: "AAECAw==" })],
+          messages: [
+            Message.user([
+              { type: "media", mediaType: "image/png", data: "AAECAw==" },
+              { type: "media", mediaType: "application/pdf", data: "JVBERi0xLjQ=", filename: "report.pdf" },
+            ]),
+          ],
        }),
      )

      expect(prepared.body.input).toEqual([
        {
          role: "user",
-          content: [{ type: "input_image", image_url: "data:image/png;base64,AAECAw==" }],
+          content: [
+            { type: "input_image", image_url: "data:image/png;base64,AAECAw==" },
+            {
+              type: "input_file",
+              filename: "report.pdf",
+              file_data: "data:application/pdf;base64,JVBERi0xLjQ=",
+            },
+          ],
+        },
+      ])
+    }),
+  )
+
+  it.effect("uses xAI inline file encoding for user PDFs", () =>
+    Effect.gen(function* () {
+      const prepared = yield* LLMClient.prepare<OpenAIResponses.OpenAIResponsesBody>(
+        LLM.request({
+          model: xaiModel,
+          messages: [
+            Message.user({
+              type: "media",
+              mediaType: "application/pdf",
+              data: "data:application/pdf;base64,JVBERi0xLjQ=",
+              filename: "report.pdf",
+            }),
+          ],
+        }),
+      )
+
+      expect(prepared.body.input).toEqual([
+        {
+          role: "user",
+          content: [
+            {
+              type: "input_file",
+              filename: "report.pdf",
+              file_data: "JVBERi0xLjQ=",
+              mime_type: "application/pdf",
+            },
+          ],
        },
      ])
    }),
@@ -1551,11 +1694,11 @@ describe("OpenAI Responses route", () => {
        LLM.request({
          id: "req_media",
          model,
-          messages: [Message.user({ type: "media", mediaType: "application/pdf", data: "AAECAw==" })],
+          messages: [Message.user({ type: "media", mediaType: "application/x-tar", data: "AAECAw==" })],
        }),
      ).pipe(Effect.flip)

-      expect(error.message).toContain("OpenAI Responses does not support media type application/pdf")
+      expect(error.message).toContain("OpenAI Responses does not support media type application/x-tar")
    }),
  )

@@ -0,0 +1,207 @@
+import { describe, expect } from "bun:test"
+import { Effect, Schema, Stream } from "effect"
+import { LLM, LLMResponse, Message, ToolDefinition, type Model } from "../../src"
+import { AmazonBedrock, Anthropic, Google, OpenAI, XAI } from "../../src/providers"
+import { LLMClient } from "../../src/route"
+import { Tool } from "../../src/tool"
+import { runTools } from "../lib/tool-runtime"
+import { recordedTests } from "../recorded-test"
+
+const CODE = "ORCHID-7391"
+const PDF =
+  "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"
+
+const openai = OpenAI.configure({ apiKey: process.env.OPENAI_API_KEY ?? "fixture" })
+const anthropic = Anthropic.configure({ apiKey: process.env.ANTHROPIC_API_KEY ?? "fixture" })
+const google = Google.configure({ apiKey: process.env.GOOGLE_API_KEY ?? "fixture" })
+const xai = XAI.configure({ apiKey: process.env.XAI_API_KEY ?? "fixture" })
+const bedrock = AmazonBedrock.configure({
+  apiKey: process.env.AWS_BEDROCK_API_KEY ?? "fixture",
+  region: process.env.AWS_REGION ?? "us-east-1",
+})
+
+const targets: ReadonlyArray<{
+  readonly id: string
+  readonly name: string
+  readonly provider: string
+  readonly protocol: string
+  readonly requires: string
+  readonly filename: string
+  readonly maxTokens: number
+  readonly model: Model
+}> = [
+  {
+    id: "openai",
+    name: "OpenAI Responses gpt-4o-mini",
+    provider: "openai",
+    protocol: "openai-responses",
+    requires: "OPENAI_API_KEY",
+    filename: "verification.pdf",
+    maxTokens: 40,
+    model: openai.responses("gpt-4o-mini"),
+  },
+  {
+    id: "anthropic",
+    name: "Anthropic Haiku 4.5",
+    provider: "anthropic",
+    protocol: "anthropic-messages",
+    requires: "ANTHROPIC_API_KEY",
+    filename: "verification.pdf",
+    maxTokens: 40,
+    model: anthropic.model("claude-haiku-4-5-20251001"),
+  },
+  {
+    id: "gemini",
+    name: "Gemini 3.5 Flash",
+    provider: "google",
+    protocol: "gemini",
+    requires: "GOOGLE_API_KEY",
+    filename: "verification.pdf",
+    maxTokens: 256,
+    model: google.model("gemini-3.5-flash"),
+  },
+  {
+    id: "xai",
+    name: "xAI Grok 4.5",
+    provider: "xai",
+    protocol: "openai-responses",
+    requires: "XAI_API_KEY",
+    filename: "verification.pdf",
+    maxTokens: 40,
+    model: xai.responses("grok-4.5"),
+  },
+  {
+    id: "bedrock",
+    name: "Bedrock Claude Haiku 4.5",
+    provider: "amazon-bedrock",
+    protocol: "bedrock-converse",
+    requires: "AWS_BEDROCK_API_KEY",
+    filename: "verification",
+    maxTokens: 40,
+    model: bedrock.model("us.anthropic.claude-haiku-4-5-20251001-v1:0"),
+  },
+]
+
+const recorded = recordedTests({ prefix: "pdf", tags: ["pdf"] })
+const prompt = "Return only the verification code from the PDF."
+const readPdf = ToolDefinition.make({
+  name: "read_pdf",
+  description: "Read the attached PDF.",
+  inputSchema: { type: "object", properties: {}, additionalProperties: false },
+})
+const readPdfRuntime = Tool.make({
+  description: readPdf.description,
+  parameters: Schema.Struct({ path: Schema.String }),
+  success: Schema.String,
+  execute: () => Effect.succeed("PDF read successfully"),
+  toModelOutput: () => [
+    { type: "text", text: "PDF read successfully" },
+    {
+      type: "file",
+      uri: `data:application/pdf;base64,${PDF}`,
+      mime: "application/pdf",
+      name: "verification.pdf",
+    },
+  ],
+})
+
+const expectCode = (response: LLMResponse) => {
+  expect(response.finishReason).toBe("stop")
+  expect(response.text.toUpperCase()).toContain(CODE)
+}
+
+describe("PDF recorded", () => {
+  for (const target of targets) {
+    recorded.effect.with(
+      `reads a user PDF with ${target.name}`,
+      {
+        id: `${target.id}-user-input`,
+        provider: target.provider,
+        protocol: target.protocol,
+        requires: [target.requires],
+        tags: ["user-input"],
+      },
+      Effect.gen(function* () {
+        expectCode(
+          yield* LLMClient.generate(
+            LLM.request({
+              id: `recorded_pdf_${target.id}_user_input`,
+              model: target.model,
+              cache: "none",
+              generation: { maxTokens: target.maxTokens, temperature: 0 },
+              messages: [
+                Message.user([
+                  { type: "media", mediaType: "application/pdf", data: PDF, filename: target.filename },
+                  { type: "text", text: prompt },
+                ]),
+              ],
+            }),
+          ),
+        )
+      }),
+    )
+
+    recorded.effect.with(
+      `reads a PDF tool result with ${target.name}`,
+      {
+        id: `${target.id}-tool-result`,
+        provider: target.provider,
+        protocol: target.protocol,
+        requires: [target.requires],
+        tags: ["tool", "tool-result"],
+      },
+      Effect.gen(function* () {
+        if (target.id === "gemini") {
+          const events = Array.from(
+            yield* runTools({
+              request: LLM.request({
+                id: "recorded_pdf_gemini_tool_result",
+                model: target.model,
+                system:
+                  "Call read_pdf exactly once with path verification.pdf, then reply only with the verification code from its PDF.",
+                prompt: "Use read_pdf with path verification.pdf and return the verification code.",
+                cache: "none",
+                generation: { maxTokens: target.maxTokens, temperature: 0 },
+              }),
+              tools: { read_pdf: readPdfRuntime },
+            }).pipe(Stream.runCollect),
+          )
+          expect(events.at(-1)).toMatchObject({ type: "finish", reason: "stop" })
+          expect(LLMResponse.text({ events }).toUpperCase()).toContain(CODE)
+          return
+        }
+
+        expectCode(
+          yield* LLMClient.generate(
+            LLM.request({
+              id: `recorded_pdf_${target.id}_tool_result`,
+              model: target.model,
+              system: "Read the PDF returned by the tool and follow the user's response format exactly.",
+              cache: "none",
+              generation: { maxTokens: target.maxTokens, temperature: 0 },
+              messages: [
+                Message.user(prompt),
+                Message.assistant([{ type: "tool-call", id: "call_pdf_1", name: readPdf.name, input: {} }]),
+                Message.tool({
+                  id: "call_pdf_1",
+                  name: readPdf.name,
+                  resultType: "content",
+                  result: [
+                    { type: "text", text: "PDF read successfully" },
+                    {
+                      type: "file",
+                      uri: `data:application/pdf;base64,${PDF}`,
+                      mime: "application/pdf",
+                      name: target.filename,
+                    },
+                  ],
+                }),
+              ],
+              tools: [readPdf],
+            }),
+          ),
+        )
+      }),
+    )
+  }
+})
@@ -183,6 +183,51 @@ describe("LLMClient tools", () => {
    }),
  )

+  it.effect("preserves provider metadata on dispatched tool results", () =>
+    Effect.gen(function* () {
+      const tool = Tool.make({
+        description: "Return text.",
+        parameters: Schema.Struct({}),
+        success: Schema.String,
+        execute: () => Effect.succeed("hello"),
+      })
+      const providerMetadata = { google: { functionCallId: "provider_call" } }
+      const dispatched = yield* ToolRuntime.dispatch(
+        { tool },
+        LLMEvent.toolCall({ id: "call_1", name: "tool", input: {}, providerMetadata }),
+      )
+
+      expect(dispatched.events).toEqual([
+        LLMEvent.toolResult({
+          id: "call_1",
+          name: "tool",
+          result: { type: "text", value: "hello" },
+          output: { structured: "hello", content: [{ type: "text", text: "hello" }] },
+          providerMetadata,
+        }),
+      ])
+
+      const failed = yield* ToolRuntime.dispatch(
+        {},
+        LLMEvent.toolCall({ id: "call_2", name: "missing", input: {}, providerMetadata }),
+      )
+      expect(failed.events).toEqual([
+        LLMEvent.toolError({
+          id: "call_2",
+          name: "missing",
+          message: "Unknown tool: missing",
+          providerMetadata,
+        }),
+        LLMEvent.toolResult({
+          id: "call_2",
+          name: "missing",
+          result: { type: "error", value: "Unknown tool: missing" },
+          providerMetadata,
+        }),
+      ])
+    }),
+  )
+
  it.effect("uses the narrow default projection for encoded typed success", () =>
    Effect.gen(function* () {
      const text = Tool.make({
@@ -32,6 +32,23 @@ for (const expanded of [false, true]) {
  })
 }

+test("shows and expands a running shell command without shimmering it", async ({ page }) => {
+  const id = "prt_shell_running_command"
+  const command = "sleep 10 && echo done"
+  await setupTimeline(page, {
+    messages: [userMessage(), assistantMessage([shell(id, "running", "still running", command)], { completed: false })],
+    settings: { shellToolPartsExpanded: false },
+  })
+
+  const tool = page.locator(`[data-timeline-part-id="${id}"]`)
+  await expect(tool.locator('[data-component="text-shimmer"]')).toHaveAttribute("data-active", "true")
+  await expect(tool.locator('[data-component="shell-submessage"]')).toHaveText(command)
+  await expect(tool.locator('[data-component="shell-submessage"] [data-component="text-shimmer"]')).toHaveCount(0)
+  await tool.locator('[data-slot="collapsible-trigger"]').click()
+  await expect(tool.locator('[data-slot="collapsible-trigger"]')).toHaveAttribute("aria-expanded", "true")
+  await expect(tool.locator('[data-slot="bash-pre"]')).toContainText("still running")
+})
+
 test("transitions thinking and hidden reasoning through busy to idle", async ({ page }) => {
  const reasoningID = "prt_reasoning_hidden"
  const assistant = assistantMessage([reasoningPart(reasoningID, "## Inspecting stability")], { completed: false })
@@ -17,6 +17,11 @@ import {
 } from "solid-js"
 import { makeEventListener } from "@solid-primitives/event-listener"
 import { createStore, produce } from "solid-js/store"
+import { DragDropProvider, PointerSensor } from "@dnd-kit/solid"
+import { isSortable, useSortable } from "@dnd-kit/solid/sortable"
+import { AutoScroller, Feedback, PointerActivationConstraints } from "@dnd-kit/dom"
+import { RestrictToVerticalAxis } from "@dnd-kit/abstract/modifiers"
+import { RestrictToElement } from "@dnd-kit/dom/modifiers"
 import { useQuery } from "@tanstack/solid-query"
 import { Button } from "@opencode-ai/ui/button"
 import { Logo } from "@opencode-ai/ui/logo"
@@ -1002,7 +1007,7 @@ function HomeServerRow(props: {
  )
 }

-function HomeProjectList(props: {
+type HomeProjectListProps = {
  server: ServerConnection.Any
  projects: LocalProject[]
  selected: HomeProjectSelection
@@ -1013,29 +1018,82 @@ function HomeProjectList(props: {
  clearNotifications: (server: ServerConnection.Any, project: LocalProject) => void
  unseenCount: (server: ServerConnection.Any, project: LocalProject) => number
  language: ReturnType<typeof useLanguage>
-}) {
+}
+
+function HomeProjectList(props: HomeProjectListProps) {
+  const global = useGlobal()
+  let listRef!: HTMLDivElement
+  const projects = () => global.ensureServerCtx(props.server).projects
+
  return (
-    <div class="flex min-w-0 flex-col gap-1">
-      <For each={props.projects}>
-        {(project) => (
-          <HomeProjectRow
-            project={project}
-            server={props.server}
-            selected={
-              props.selected.server === ServerConnection.key(props.server) &&
-              props.selected.directory === project.worktree
-            }
-            unseenCount={props.unseenCount(props.server, project)}
-            selectProject={props.selectProject}
-            openNewSession={props.openNewSession}
-            editProject={props.editProject}
-            closeProject={props.closeProject}
-            clearNotifications={props.clearNotifications}
-            language={props.language}
-          />
-        )}
-      </For>
-    </div>
+    <DragDropProvider
+      sensors={(defaults) => [
+        ...defaults.filter((sensor) => sensor !== PointerSensor),
+        PointerSensor.configure({
+          activationConstraints: (event) =>
+            event.pointerType === "touch"
+              ? [new PointerActivationConstraints.Delay({ value: 250, tolerance: 5 })]
+              : [new PointerActivationConstraints.Distance({ value: 4 })],
+          preventActivation: (event) => event.target instanceof Element && !!event.target.closest("[data-action]"),
+        }),
+      ]}
+      modifiers={[RestrictToVerticalAxis, RestrictToElement.configure({ element: () => listRef })]}
+      plugins={(defaults) => [
+        ...defaults.filter((plugin) => plugin !== AutoScroller && plugin !== Feedback),
+        AutoScroller.configure({ acceleration: 8, threshold: { x: 0, y: 0.05 } }),
+        Feedback.configure({ dropAnimation: null }),
+      ]}
+      onDragEnd={(event) => {
+        const source = event.operation.source
+        if (event.canceled || !isSortable(source)) return
+        if (source.initialIndex !== source.index) projects().move(source.id.toString(), source.index)
+        if (props.selected.server !== ServerConnection.key(props.server))
+          props.selectProject(props.server, source.id.toString())
+      }}
+    >
+      <div class="flex min-w-0 flex-col gap-1" ref={listRef}>
+        {/* Keyed on worktree strings: the enriched project objects are
+            recreated on every store or sync update, so iterating them directly
+            remounts all rows — killing any in-flight drag activation (the
+            row's sortable unregisters on unmount) and discarding animations.
+            String keys keep row elements alive and move them on reorder. */}
+        <For each={props.projects.map((project) => project.worktree)}>
+          {(worktree, index) => <HomeProjectSlot {...props} worktree={worktree} index={index} />}
+        </For>
+      </div>
+    </DragDropProvider>
+  )
+}
+
+function HomeProjectSlot(
+  props: HomeProjectListProps & {
+    worktree: string
+    index: () => number
+  },
+) {
+  const project = createMemo(() => props.projects.find((item) => item.worktree === props.worktree))
+
+  return (
+    <Show when={project()}>
+      {(item) => (
+        <HomeProjectRow
+          project={item()}
+          server={props.server}
+          index={props.index}
+          serverSelected={props.selected.server === ServerConnection.key(props.server)}
+          selected={
+            props.selected.server === ServerConnection.key(props.server) && props.selected.directory === props.worktree
+          }
+          unseenCount={props.unseenCount(props.server, item())}
+          selectProject={props.selectProject}
+          openNewSession={props.openNewSession}
+          editProject={props.editProject}
+          closeProject={props.closeProject}
+          clearNotifications={props.clearNotifications}
+          language={props.language}
+        />
+      )}
+    </Show>
  )
 }

@@ -1115,6 +1173,8 @@ function HomeRecentlyClosedRow(props: {
 function HomeProjectRow(props: {
  project: LocalProject
  server: ServerConnection.Any
+  index: () => number
+  serverSelected: boolean
  selected: boolean
  unseenCount: number
  selectProject: (server: ServerConnection.Any, directory: string) => void
@@ -1128,6 +1188,15 @@ function HomeProjectRow(props: {
  const platform = usePlatform()
  const serverUnreachable = () => global.servers.health[ServerConnection.key(props.server)]?.healthy === false
  const [state, setState] = createStore({ menuOpen: false })
+  const sortable = useSortable({
+    get id() {
+      return props.project.worktree
+    },
+    get index() {
+      return props.index()
+    },
+  })
+  let pointerDownSelected: boolean | undefined
  const canRevealInFileManager = () =>
    platform.platform === "desktop" && !!platform.openPath && ServerConnection.local(props.server)
  const fileManagerActionLabel = () =>
@@ -1144,15 +1213,49 @@ function HomeProjectRow(props: {
    )
  }
  return (
-    <div class="group/project relative flex h-7 min-w-0 items-center rounded-[6px]">
+    <div
+      ref={sortable.ref}
+      class="group/project relative flex h-7 min-w-0 items-center rounded-[6px]"
+      classList={{ "z-10": sortable.isDragSource() }}
+    >
      <button
        type="button"
        data-component="home-project-row"
        class={`${HOME_PROJECT_NAV_ROW} pr-16 disabled:opacity-60`}
+        classList={{
+          "bg-v2-background-bg-layer-01 text-v2-text-text-base [box-shadow:inset_0_0_0_0.5px_var(--v2-border-border-muted)]":
+            sortable.isDragSource(),
+        }}
        data-selected={props.selected ? "" : undefined}
        aria-current={props.selected ? "page" : undefined}
        disabled={serverUnreachable()}
-        onClick={() => props.selectProject(props.server, props.project.worktree)}
+        onPointerDown={(event) => {
+          // Same-server mouse selection happens on pointerdown (like tabs),
+          // but only ever selects; selectProject toggles, and deselecting here
+          // would fire on every drag before the threshold is met. Cross-server
+          // selection waits for click so reordering a remote server's projects
+          // does not focus that server and load its session index. Touch is
+          // excluded so flick-scrolling the list cannot select rows.
+          pointerDownSelected = undefined
+          if (event.button !== 0 || event.pointerType === "touch") return
+          if (!props.serverSelected) return
+          pointerDownSelected = props.selected
+          if (!props.selected) props.selectProject(props.server, props.project.worktree)
+        }}
+        onClick={(event) => {
+          // The drag sensor calls preventDefault on post-drag clicks; never
+          // toggle selection as part of a reorder.
+          if (event.defaultPrevented) return
+          // Keyboard activation and touch taps keep the original toggle.
+          if (event.detail === 0 || pointerDownSelected === undefined) {
+            props.selectProject(props.server, props.project.worktree)
+            return
+          }
+          // Mouse: pointerdown already selected unselected rows; a plain click
+          // on an already-selected row toggles it off.
+          if (pointerDownSelected) props.selectProject(props.server, props.project.worktree)
+          pointerDownSelected = undefined
+        }}
      >
        <HomeProjectAvatar project={props.project} />
        <span class={HOME_PROJECT_NAV_LABEL}>{displayName(props.project)}</span>
@@ -13,7 +13,6 @@ export function useSessionTabAvatarState(
  const global = useGlobal()
  const notification = useNotification()
  const permission = usePermission()
-  const permissionState = createMemo(() => permission.ensureServerState(server()))
  const connection = createMemo(() => global.servers.list().find((item) => ServerConnection.key(item) === server()))
  const sync = createMemo(() => {
    const conn = connection()
@@ -22,9 +21,10 @@ export function useSessionTabAvatarState(
  const hasPermissions = createMemo(() => {
    const serverSync = sync()
    if (!serverSync) return false
+    const permissionState = permission.ensureServerState(server())
    const [store] = serverSync.child(directory(), { bootstrap: false })
    return !!sessionPermissionRequest(store.session, serverSync.session.data.permission, sessionId(), (item) => {
-      return !permissionState().autoResponds(item, directory())
+      return !permissionState.autoResponds(item, directory())
    })
  })
  const hasQuestions = createMemo(() => {
@@ -34,9 +34,11 @@ export function useSessionTabAvatarState(
    return !!sessionQuestionRequest(store.session, serverSync.session.data.question, sessionId())
  })
  const needsAttention = createMemo(() => hasPermissions() || hasQuestions())
-  const unread = createMemo(
-    () => needsAttention() || notification.ensureServerState(server()).session.unseenCount(sessionId()) > 0,
-  )
+  const notificationState = createMemo(() => {
+    if (!connection()) return
+    return notification.ensureServerState(server())
+  })
+  const unread = createMemo(() => needsAttention() || (notificationState()?.session.unseenCount(sessionId()) ?? 0) > 0)
  const loading = createMemo(() => {
    const serverSync = sync()
    if (!serverSync) return false
@@ -38,17 +38,17 @@ test("reports a divergent native offset once and ignores equal offsets and unrel
    instance.scrollOffset = offset
  })

-  document.body.append(unrelated)
-  unrelated.remove()
-  await frames(2)
-  expect(calls).toEqual([])
-
  route.remove()
  document.body.append(route)
  await new Promise((resolve) => setTimeout(resolve, 0))
  await frames(3)
  expect(calls).toEqual([[0, false]])

+  document.body.append(unrelated)
+  unrelated.remove()
+  await frames(2)
+  expect(calls).toEqual([[0, false]])
+
  route.remove()
  document.body.append(route)
  await new Promise((resolve) => setTimeout(resolve, 0))
@@ -11,7 +11,6 @@
    "bin"
  ],
  "exports": {
-    "./daemon": "./src/daemon.ts",
    "./run": "./src/run/index.ts",
    "./server-process": "./src/server-process.ts"
  },
@@ -23,16 +22,18 @@
    "typecheck": "tsgo --noEmit"
  },
  "dependencies": {
+    "@agentclientprotocol/sdk": "0.21.0",
    "@effect/platform-node": "catalog:",
    "@opencode-ai/client": "workspace:*",
-    "@opencode-ai/core": "workspace:*",
    "@opencode-ai/plugin": "workspace:*",
    "@opencode-ai/schema": "workspace:*",
    "@opencode-ai/server": "workspace:*",
    "@opencode-ai/tui": "workspace:*",
+    "@opencode-ai/util": "workspace:*",
    "@opentui/core": "catalog:",
    "@opentui/solid": "catalog:",
    "@parcel/watcher": "2.5.1",
+    "@silvia-odwyer/photon-node": "0.3.4",
    "effect": "catalog:",
    "immer": "11.1.4",
    "jsonc-parser": "3.3.1",
@@ -1,6 +1,5 @@
 import { createHash } from "node:crypto"
 import { copyFile, mkdir, readdir, readFile, stat } from "node:fs/promises"
-import { createRequire } from "node:module"
 import path from "node:path"
 import { fileURLToPath } from "node:url"
 import { getNodeAssets } from "@opentui/core/node-assets"
@@ -40,7 +39,7 @@ export async function collectNodeAssets(target: NodeTarget) {
    { key: target.parcelWatcherAsset, source: fileURLToPath(import.meta.resolve(target.parcelWatcherPackage)) },
    {
      key: photonWasmAsset,
-      source: createRequire(path.resolve(dir, "../core/package.json")).resolve(photonWasmAsset),
+      source: fileURLToPath(import.meta.resolve(photonWasmAsset)),
    },
    ...attentionSoundAssets.map((key) => ({
      key,
@@ -3,6 +3,7 @@ import { $ } from "bun"
 import pkg from "../package.json"
 import { Script } from "@opencode-ai/script"
 import { fileURLToPath } from "url"
+import { UpdateArtifact } from "../../../script/update-artifact"

 const dir = fileURLToPath(new URL("..", import.meta.url))
 process.chdir(dir)
@@ -81,3 +82,10 @@ await publishDistribution({
  binary: "opencode2-node",
  packagePrefix: "@opencode-ai/cli-node-",
 })
+await UpdateArtifact.publish({
+  channel: Script.channel,
+  name: "cli",
+  distribution: "npm",
+  version: Script.version,
+  metadata: {},
+})
@@ -0,0 +1,65 @@
+import {
+  RequestError,
+  type Agent,
+  type AgentSideConnection,
+  type AuthenticateRequest,
+  type CancelNotification,
+  type CloseSessionRequest,
+  type ForkSessionRequest,
+  type InitializeRequest,
+  type ListSessionsRequest,
+  type LoadSessionRequest,
+  type NewSessionRequest,
+  type PromptRequest,
+  type ResumeSessionRequest,
+  type SetSessionConfigOptionRequest,
+  type SetSessionModelRequest,
+  type SetSessionModeRequest,
+} from "@agentclientprotocol/sdk"
+import type { OpenCodeClient } from "@opencode-ai/client/promise"
+import { ACPError } from "./error"
+import { ACPService } from "./service"
+
+export function create(client: OpenCodeClient, connection: AgentSideConnection) {
+  const service = ACPService.make({ client, connection })
+  return {
+    initialize: (params: InitializeRequest) => run(service.initialize(params)),
+    authenticate: (params: AuthenticateRequest) => run(service.authenticate(params)),
+    newSession: (params: NewSessionRequest) => run(service.newSession(params)),
+    loadSession: (params: LoadSessionRequest) => run(service.loadSession(params)),
+    listSessions: (params: ListSessionsRequest) => run(service.listSessions(params)),
+    resumeSession: (params: ResumeSessionRequest) => run(service.resumeSession(params)),
+    closeSession: (params: CloseSessionRequest) => run(service.closeSession(params)),
+    unstable_forkSession: (params: ForkSessionRequest) => run(service.forkSession(params)),
+    setSessionConfigOption: (params: SetSessionConfigOptionRequest) => run(service.setSessionConfigOption(params)),
+    setSessionMode: (params: SetSessionModeRequest) => run(service.setSessionMode(params)),
+    unstable_setSessionModel: (params: SetSessionModelRequest) => run(service.setSessionModel(params)),
+    prompt: (params: PromptRequest) => run(service.prompt(params)),
+    cancel: (params: CancelNotification) => run(service.cancel(params)),
+  } satisfies Agent
+}
+
+async function run<A>(promise: Promise<A>) {
+  try {
+    return await promise
+  } catch (error) {
+    if (error instanceof RequestError) throw error
+    if (isACPError(error)) throw ACPError.toRequestError(error)
+    throw ACPError.toRequestError(ACPError.fromUnknown(error))
+  }
+}
+
+function isACPError(error: unknown): error is ACPError.Error {
+  return (
+    error instanceof ACPError.SessionNotFoundError ||
+    error instanceof ACPError.InvalidConfigOptionError ||
+    error instanceof ACPError.InvalidModelError ||
+    error instanceof ACPError.InvalidEffortError ||
+    error instanceof ACPError.InvalidModeError ||
+    error instanceof ACPError.AuthRequiredError ||
+    error instanceof ACPError.UnknownAuthMethodError ||
+    error instanceof ACPError.ServiceFailureError
+  )
+}
+
+export * as ACP from "./agent"
@@ -0,0 +1,133 @@
+import type { SessionConfigOption } from "@agentclientprotocol/sdk"
+
+export const DEFAULT_VARIANT_VALUE = "default"
+
+export type ConfigOptionModel = {
+  id: string
+  name: string
+  variants?: ReadonlyArray<string>
+}
+
+export type ConfigOptionProvider = {
+  id: string
+  name: string
+  models: ReadonlyArray<ConfigOptionModel>
+}
+
+export type ConfigOptionMode = {
+  id: string
+  name: string
+  description?: string
+}
+
+export type ModelSelection = {
+  model: { providerID: string; modelID: string }
+  variant?: string
+}
+
+export function buildConfigOptions(input: {
+  providers: readonly ConfigOptionProvider[]
+  currentModel: ModelSelection["model"]
+  currentVariant?: string
+  modes?: readonly ConfigOptionMode[]
+  currentModeId?: string
+}): SessionConfigOption[] {
+  const variants =
+    input.providers
+      .find((provider) => provider.id === input.currentModel.providerID)
+      ?.models.find((model) => model.id === input.currentModel.modelID)?.variants ?? []
+  const effort =
+    variants.length > 0 ? buildEffortSelectOption({ variants, currentVariant: input.currentVariant }) : undefined
+  return [
+    buildModelSelectOption({ providers: input.providers, currentModel: input.currentModel }),
+    ...(effort ? [effort] : []),
+    ...(input.modes && input.currentModeId
+      ? [buildModeSelectOption({ modes: input.modes, currentModeId: input.currentModeId })]
+      : []),
+  ]
+}
+
+export function buildModelSelectOption(input: {
+  providers: readonly ConfigOptionProvider[]
+  currentModel: ModelSelection["model"]
+}): SessionConfigOption {
+  return {
+    id: "model",
+    name: "Model",
+    category: "model",
+    type: "select",
+    currentValue: `${input.currentModel.providerID}/${input.currentModel.modelID}`,
+    options: input.providers.flatMap((provider) =>
+      provider.models
+        .toSorted((a, b) => a.name.localeCompare(b.name))
+        .map((model) => ({ value: `${provider.id}/${model.id}`, name: `${provider.name}/${model.name}` })),
+    ),
+  }
+}
+
+export function buildEffortSelectOption(input: {
+  variants: readonly string[]
+  currentVariant?: string
+}): SessionConfigOption {
+  return {
+    id: "effort",
+    name: "Effort",
+    description: "Available effort levels for this model",
+    category: "thought_level",
+    type: "select",
+    currentValue: selectVariant(input.currentVariant, input.variants),
+    options: input.variants.map((variant) => ({ value: variant, name: formatVariantName(variant) })),
+  }
+}
+
+export function buildModeSelectOption(input: {
+  modes: readonly ConfigOptionMode[]
+  currentModeId: string
+}): SessionConfigOption {
+  return {
+    id: "mode",
+    name: "Session Mode",
+    category: "mode",
+    type: "select",
+    currentValue: input.currentModeId,
+    options: input.modes.map((mode) => ({
+      value: mode.id,
+      name: mode.name,
+      ...(mode.description ? { description: mode.description } : {}),
+    })),
+  }
+}
+
+export function parseModelSelection(modelId: string, providers: readonly ConfigOptionProvider[]): ModelSelection {
+  const provider = providers.find((item) => modelId.startsWith(`${item.id}/`))
+  if (!provider) {
+    const separator = modelId.indexOf("/")
+    if (separator === -1) return { model: { providerID: modelId, modelID: "" } }
+    return { model: { providerID: modelId.slice(0, separator), modelID: modelId.slice(separator + 1) } }
+  }
+  const modelID = modelId.slice(provider.id.length + 1)
+  if (provider.models.some((model) => model.id === modelID)) return { model: { providerID: provider.id, modelID } }
+  const separator = modelID.lastIndexOf("/")
+  const baseModelID = separator === -1 ? modelID : modelID.slice(0, separator)
+  const variant = separator === -1 ? undefined : modelID.slice(separator + 1)
+  const model = provider.models.find((item) => item.id === baseModelID)
+  if (model && variant && model.variants?.includes(variant)) {
+    return { model: { providerID: provider.id, modelID: baseModelID }, variant }
+  }
+  return { model: { providerID: provider.id, modelID } }
+}
+
+export function formatVariantName(variant: string) {
+  return variant
+    .split(/[_-]/)
+    .map((part) => (part ? part.charAt(0).toUpperCase() + part.slice(1) : part))
+    .join(" ")
+}
+
+function selectVariant(variant: string | undefined, variants: readonly string[]) {
+  if (variant && variants.includes(variant)) return variant
+  if (variants.includes(DEFAULT_VARIANT_VALUE)) return DEFAULT_VARIANT_VALUE
+  return variants[0] ?? DEFAULT_VARIANT_VALUE
+}
+
+export * as ACPConfigOption from "./config-option"
@@ -0,0 +1,183 @@
+import type { ContentBlock, ContentChunk, ResourceLink } from "@agentclientprotocol/sdk"
+import path from "node:path"
+import { fileURLToPath, pathToFileURL } from "node:url"
+
+export type PromptPart =
+  | { readonly type: "text"; readonly text: string; readonly synthetic?: boolean; readonly ignored?: boolean }
+  | { readonly type: "file"; readonly url: string; readonly filename?: string; readonly mime: string }
+
+export type ReplayPart = PromptPart | { readonly type: "reasoning"; readonly text: string }
+
+export function promptContentToParts(content: readonly ContentBlock[]): PromptPart[] {
+  return content.flatMap(contentBlockToParts)
+}
+
+export function contentBlockToParts(block: ContentBlock): PromptPart[] {
+  switch (block.type) {
+    case "text": {
+      const audience = block.annotations?.audience
+      if (audience?.length === 1 && audience[0] === "assistant") {
+        return [{ type: "text", text: block.text, synthetic: true }]
+      }
+      if (audience?.length === 1 && audience[0] === "user") {
+        return [{ type: "text", text: block.text, ignored: true }]
+      }
+      return [{ type: "text", text: block.text }]
+    }
+    case "image":
+      if (block.data) {
+        return [
+          {
+            type: "file",
+            url: `data:${block.mimeType};base64,${block.data}`,
+            filename: filenameFromUri(block.uri ?? undefined) ?? "image",
+            mime: block.mimeType,
+          },
+        ]
+      }
+      if (block.uri?.startsWith("data:") || block.uri?.startsWith("http://") || block.uri?.startsWith("https://")) {
+        return [
+          {
+            type: "file",
+            url: block.uri,
+            filename: filenameFromUri(block.uri) ?? "image",
+            mime: block.mimeType,
+          },
+        ]
+      }
+      return []
+    case "resource_link":
+      return [resourceLinkToPart(block)]
+    case "resource":
+      if ("text" in block.resource) {
+        try {
+          const parsed = new URL(block.resource.uri)
+          if (parsed.protocol === "file:") {
+            const line = parsed.hash.match(/^#L(\d+)/)?.[1]
+            const decoded = (() => {
+              try {
+                return fileURLToPath(parsed)
+              } catch {
+                return decodeURIComponent(parsed.pathname)
+              }
+            })()
+            const filepath = path.sep === "\\" ? decoded.replace(/\\/g, "/") : decoded
+            return [{ type: "text", text: `[${filepath}${line ? `:${line}` : ""}]\n${block.resource.text}` }]
+          }
+        } catch {}
+        return [{ type: "text", text: `[${block.resource.uri}]\n${block.resource.text}` }]
+      }
+      if (!block.resource.mimeType) return []
+      return [
+        {
+          type: "file",
+          url: block.resource.uri.startsWith("data:")
+            ? block.resource.uri
+            : `data:${block.resource.mimeType};base64,${block.resource.blob}`,
+          filename: filenameFromUri(block.resource.uri) ?? "file",
+          mime: block.resource.mimeType,
+        },
+      ]
+    default:
+      return []
+  }
+}
+
+export function partsToContentChunks(parts: readonly ReplayPart[]): ContentChunk[] {
+  return parts.flatMap((part): ContentChunk[] => {
+    if (part.type === "text") {
+      if (!part.text) return []
+      return [
+        {
+          content: {
+            type: "text",
+            text: part.text,
+            ...(part.synthetic ? { annotations: { audience: ["assistant" as const] } } : {}),
+            ...(!part.synthetic && part.ignored ? { annotations: { audience: ["user" as const] } } : {}),
+          },
+        },
+      ]
+    }
+    if (part.type === "reasoning") {
+      return part.text ? [{ content: { type: "text", text: part.text } }] : []
+    }
+    if (part.url.startsWith("file://")) {
+      return [
+        {
+          content: {
+            type: "resource_link",
+            uri: part.url,
+            name: part.filename ?? "file",
+            mimeType: part.mime,
+          },
+        },
+      ]
+    }
+    if (!part.url.startsWith("data:")) return []
+    const match = /^data:([^;]+);base64,(.*)$/.exec(part.url)
+    if (!match?.[1] || match[2] === undefined) return []
+    const mime = match[1]
+    const data = match[2]
+    if (mime.startsWith("image/")) {
+      return [
+        {
+          content: {
+            type: "image",
+            mimeType: mime,
+            data,
+            uri: pathToFileURL(part.filename ?? "image").href,
+          },
+        },
+      ]
+    }
+    return [
+      {
+        content: {
+          type: "resource",
+          resource:
+            mime.startsWith("text/") || mime === "application/json"
+              ? {
+                  uri: pathToFileURL(part.filename ?? "file").href,
+                  mimeType: mime,
+                  text: Buffer.from(data, "base64").toString("utf8"),
+                }
+              : {
+                  uri: pathToFileURL(part.filename ?? "file").href,
+                  mimeType: mime,
+                  blob: data,
+                },
+        },
+      },
+    ]
+  })
+}
+
+function resourceLinkToPart(link: ResourceLink): PromptPart {
+  if (link.uri.startsWith("file://")) {
+    return {
+      type: "file",
+      url: link.uri,
+      filename: link.name || filenameFromUri(link.uri) || "file",
+      mime: link.mimeType ?? "text/plain",
+    }
+  }
+  if (link.uri.startsWith("zed://") && URL.canParse(link.uri)) {
+    const pathname = new URL(link.uri).searchParams.get("path")
+    if (pathname)
+      return {
+        type: "file",
+        url: pathToFileURL(pathname).href,
+        filename: link.name || path.basename(pathname) || "file",
+        mime: link.mimeType ?? "text/plain",
+      }
+  }
+  return { type: "text", text: link.uri }
+}
+
+function filenameFromUri(uri: string | undefined): string | undefined {
+  if (!uri || uri.startsWith("data:")) return undefined
+  if (URL.canParse(uri)) return path.basename(new URL(uri).pathname) || undefined
+  return path.basename(uri) || undefined
+}
+
+export * as ACPContent from "./content"
@@ -0,0 +1,86 @@
+import { RequestError } from "@agentclientprotocol/sdk"
+import { Schema } from "effect"
+
+export class SessionNotFoundError extends Schema.TaggedErrorClass<SessionNotFoundError>()("ACPSessionNotFoundError", {
+  sessionId: Schema.String,
+}) {}
+
+export class InvalidConfigOptionError extends Schema.TaggedErrorClass<InvalidConfigOptionError>()(
+  "ACPInvalidConfigOptionError",
+  { configId: Schema.String },
+) {}
+
+export class InvalidModelError extends Schema.TaggedErrorClass<InvalidModelError>()("ACPInvalidModelError", {
+  modelId: Schema.String,
+  providerId: Schema.optional(Schema.String),
+}) {}
+
+export class InvalidEffortError extends Schema.TaggedErrorClass<InvalidEffortError>()("ACPInvalidEffortError", {
+  effort: Schema.String,
+}) {}
+
+export class InvalidModeError extends Schema.TaggedErrorClass<InvalidModeError>()("ACPInvalidModeError", {
+  mode: Schema.String,
+}) {}
+
+export class AuthRequiredError extends Schema.TaggedErrorClass<AuthRequiredError>()("ACPAuthRequiredError", {}) {}
+
+export class UnknownAuthMethodError extends Schema.TaggedErrorClass<UnknownAuthMethodError>()(
+  "ACPUnknownAuthMethodError",
+  { methodId: Schema.String },
+) {}
+
+export class ServiceFailureError extends Schema.TaggedErrorClass<ServiceFailureError>()("ACPServiceFailureError", {
+  safeMessage: Schema.String,
+  service: Schema.optional(Schema.String),
+  errorName: Schema.optional(Schema.String),
+}) {}
+
+export type Error =
+  | SessionNotFoundError
+  | InvalidConfigOptionError
+  | InvalidModelError
+  | InvalidEffortError
+  | InvalidModeError
+  | AuthRequiredError
+  | UnknownAuthMethodError
+  | ServiceFailureError
+
+export function toRequestError(error: Error): RequestError {
+  switch (error._tag) {
+    case "ACPSessionNotFoundError":
+      return RequestError.invalidParams({ sessionId: error.sessionId }, `session not found: ${error.sessionId}`)
+    case "ACPInvalidConfigOptionError":
+      return RequestError.invalidParams({ configId: error.configId }, `unknown config option: ${error.configId}`)
+    case "ACPInvalidModelError":
+      return RequestError.invalidParams(
+        { providerId: error.providerId, modelId: error.modelId },
+        `model not found: ${error.modelId}`,
+      )
+    case "ACPInvalidEffortError":
+      return RequestError.invalidParams({ effort: error.effort }, `effort not found: ${error.effort}`)
+    case "ACPInvalidModeError":
+      return RequestError.invalidParams({ mode: error.mode }, `mode not found: ${error.mode}`)
+    case "ACPAuthRequiredError":
+      return RequestError.authRequired({}, "provider authentication required")
+    case "ACPUnknownAuthMethodError":
+      return RequestError.invalidParams({ methodId: error.methodId }, `unknown auth method: ${error.methodId}`)
+    case "ACPServiceFailureError":
+      return RequestError.internalError(
+        {
+          ...(error.service ? { service: error.service } : {}),
+          ...(error.errorName ? { errorName: error.errorName } : {}),
+        },
+        error.safeMessage,
+      )
+  }
+  const exhaustive: never = error
+  return exhaustive
+}
+
+export function fromUnknown(error: unknown, service?: string) {
+  const errorName = error instanceof Error ? error.name : undefined
+  return new ServiceFailureError({ safeMessage: "Internal service failure", service, errorName })
+}
+
+export * as ACPError from "./error"
@@ -0,0 +1,441 @@
+import type { AgentSideConnection, PromptResponse } from "@agentclientprotocol/sdk"
+import type {
+  EventSubscribeOutput,
+  OpenCodeClient,
+  SessionMessageAssistant,
+  SessionMessageInfo,
+} from "@opencode-ai/client/promise"
+import { partsToContentChunks, type ReplayPart } from "./content"
+import { ACPError } from "./error"
+import { replyPermission, syncEditedFiles } from "./permission"
+import {
+  completedToolUpdate,
+  errorToolUpdate,
+  pendingToolCall,
+  runningToolUpdate,
+  type ToolContent,
+  type ToolInput,
+} from "./tool"
+
+type Connection = Pick<AgentSideConnection, "sessionUpdate" | "requestPermission"> &
+  Partial<Pick<AgentSideConnection, "writeTextFile">>
+
+export type TurnControl = {
+  cancelled: boolean
+  readonly admission: AbortController
+}
+
+type ToolState = {
+  readonly name: string
+  input: ToolInput
+  structured: Record<string, unknown>
+  content: ToolContent
+}
+
+export type TurnStart =
+  | { readonly type: "input"; readonly id: string }
+  | { readonly type: "skill"; readonly id: string }
+  | { readonly type: "compaction"; readonly id: string }
+
+function emptyToolState(): ToolState {
+  return { name: "tool", input: {}, structured: {}, content: [] }
+}
+
+export async function streamTurn(input: {
+  readonly client: OpenCodeClient
+  readonly connection: Connection
+  readonly sessionID: string
+  readonly cwd: string
+  readonly start: TurnStart
+  readonly userMessageID?: string | null
+  readonly submit: (signal: AbortSignal) => Promise<unknown>
+  readonly control: TurnControl
+}): Promise<PromptResponse> {
+  const streamController = new AbortController()
+  const stream = input.client.event.subscribe({ signal: streamController.signal })[Symbol.asyncIterator]()
+  const connected = await stream.next()
+  if (connected.done) throw new Error("event stream disconnected before prompt admission")
+
+  const control = input.control
+  let started = false
+  let assistantMessageID: string | undefined
+  let finish: SessionMessageAssistant["finish"]
+  let executionError: { readonly type: string; readonly message: string } | undefined
+  const tools = new Map<string, ToolState>()
+
+  const update = (value: Parameters<Connection["sessionUpdate"]>[0]["update"]) =>
+    input.connection.sessionUpdate({ sessionId: input.sessionID, update: value })
+
+  const consume = async () => {
+    while (!streamController.signal.aborted) {
+      const next = await stream.next()
+      if (next.done) throw new Error("event stream disconnected during prompt execution")
+      const event = next.value
+      if (event.type === "permission.v2.asked" && event.data.sessionID === input.sessionID) {
+        const tool = event.data.source?.callID ? tools.get(event.data.source.callID) : undefined
+        await replyPermission({
+          client: input.client,
+          connection: input.connection,
+          event,
+          sessionID: input.sessionID,
+          cwd: input.cwd,
+          tool,
+        })
+        continue
+      }
+      if (event.type === "form.created" && event.data.form.sessionID === input.sessionID) {
+        await input.client.form
+          .cancel({ sessionID: input.sessionID, formID: event.data.form.id })
+          .catch(() => input.client.session.interrupt({ sessionID: input.sessionID }).catch(() => {}))
+        continue
+      }
+      if (!("sessionID" in event.data) || event.data.sessionID !== input.sessionID) continue
+      if (matchesStart(event, input.start)) {
+        started = true
+        continue
+      }
+      if (!started) continue
+
+      if (event.type === "session.step.started") {
+        assistantMessageID = event.data.assistantMessageID
+        continue
+      }
+      if (event.type === "session.text.delta") {
+        assistantMessageID = event.data.assistantMessageID
+        await update({
+          sessionUpdate: "agent_message_chunk",
+          messageId: event.data.assistantMessageID,
+          content: { type: "text", text: event.data.delta },
+        })
+        continue
+      }
+      if (event.type === "session.reasoning.delta") {
+        assistantMessageID = event.data.assistantMessageID
+        await update({
+          sessionUpdate: "agent_thought_chunk",
+          messageId: event.data.assistantMessageID,
+          content: { type: "text", text: event.data.delta },
+        })
+        continue
+      }
+      if (event.type === "session.tool.input.started") {
+        assistantMessageID = event.data.assistantMessageID
+        tools.set(event.data.callID, { name: event.data.name, input: {}, structured: {}, content: [] })
+        await update({
+          sessionUpdate: "tool_call",
+          ...pendingToolCall({
+            toolCallId: event.data.callID,
+            toolName: event.data.name,
+            state: { input: {} },
+            cwd: input.cwd,
+          }),
+        })
+        continue
+      }
+      if (event.type === "session.tool.called") {
+        assistantMessageID = event.data.assistantMessageID
+        const current = tools.get(event.data.callID) ?? emptyToolState()
+        current.input = event.data.input
+        tools.set(event.data.callID, current)
+        await update({
+          sessionUpdate: "tool_call_update",
+          ...runningToolUpdate({
+            toolCallId: event.data.callID,
+            toolName: current.name,
+            state: { input: current.input },
+            cwd: input.cwd,
+          }),
+        })
+        continue
+      }
+      if (event.type === "session.tool.progress") {
+        const current = tools.get(event.data.callID)
+        if (!current) continue
+        current.structured = event.data.structured
+        current.content = event.data.content
+        await update({
+          sessionUpdate: "tool_call_update",
+          ...runningToolUpdate({
+            toolCallId: event.data.callID,
+            toolName: current.name,
+            state: { input: current.input },
+            content: current.content,
+            cwd: input.cwd,
+          }),
+        })
+        continue
+      }
+      if (event.type === "session.tool.success") {
+        const current = tools.get(event.data.callID) ?? emptyToolState()
+        tools.delete(event.data.callID)
+        await syncEditedFiles({
+          connection: input.connection,
+          sessionID: input.sessionID,
+          cwd: input.cwd,
+          toolName: current.name,
+          toolInput: current.input,
+          structured: event.data.structured,
+        }).catch(() => {})
+        await update({
+          sessionUpdate: "tool_call_update",
+          ...completedToolUpdate({
+            toolCallId: event.data.callID,
+            toolName: current.name,
+            input: current.input,
+            structured: event.data.structured,
+            content: event.data.content,
+            result: event.data.result,
+          }),
+        })
+        continue
+      }
+      if (event.type === "session.tool.failed") {
+        const current = tools.get(event.data.callID) ?? emptyToolState()
+        tools.delete(event.data.callID)
+        await update({
+          sessionUpdate: "tool_call_update",
+          ...errorToolUpdate({
+            toolCallId: event.data.callID,
+            toolName: current.name,
+            input: current.input,
+            structured: event.data.metadata ?? current.structured,
+            content: event.data.content ?? current.content,
+            error: event.data.error.message,
+            cwd: input.cwd,
+          }),
+        })
+        continue
+      }
+      if (event.type === "session.step.ended") {
+        assistantMessageID = event.data.assistantMessageID
+        finish = event.data.finish
+        continue
+      }
+      if (event.type === "session.execution.succeeded") return "succeeded" as const
+      if (event.type === "session.execution.interrupted") return "interrupted" as const
+      if (event.type === "session.execution.failed") {
+        executionError = event.data.error
+        return "failed" as const
+      }
+    }
+    return "interrupted" as const
+  }
+
+  const completed = consume()
+  try {
+    await input.submit(control.admission.signal).catch((error) => {
+      if (!control.cancelled) throw error
+    })
+    if (control.cancelled) {
+      await input.client.session.interrupt({ sessionID: input.sessionID }).catch(() => {})
+      if (!started) {
+        streamController.abort()
+        await completed.catch(() => {})
+        return response(undefined, undefined, "interrupted", true, undefined, input.userMessageID)
+      }
+    }
+    const terminal = await completed
+    const assistant = assistantMessageID
+      ? await input.client.session
+          .message({ sessionID: input.sessionID, messageID: assistantMessageID })
+          .catch(() => undefined)
+      : undefined
+    return response(
+      assistant?.type === "assistant" ? assistant : undefined,
+      executionError,
+      terminal,
+      control.cancelled,
+      finish,
+      input.userMessageID,
+    )
+  } catch (error) {
+    streamController.abort()
+    await completed.catch(() => {})
+    throw error
+  } finally {
+    streamController.abort()
+    await stream.return?.(undefined).catch(() => {})
+  }
+}
+
+export async function replayMessages(
+  connection: Pick<AgentSideConnection, "sessionUpdate">,
+  sessionID: string,
+  cwd: string,
+  messages: readonly SessionMessageInfo[],
+) {
+  for (const message of messages) await replayMessage(connection, sessionID, cwd, message).catch(() => {})
+}
+
+async function replayMessage(
+  connection: Pick<AgentSideConnection, "sessionUpdate">,
+  sessionID: string,
+  cwd: string,
+  message: SessionMessageInfo,
+) {
+  if (message.type === "user") {
+    await connection.sessionUpdate({
+      sessionId: sessionID,
+      update: {
+        sessionUpdate: "user_message_chunk",
+        messageId: message.id,
+        content: { type: "text", text: message.text },
+      },
+    })
+    const files: ReplayPart[] = (message.files ?? []).map((file) => ({
+      type: "file",
+      url: file.source.type === "uri" ? file.source.uri : `data:${file.mime};base64,${file.data}`,
+      filename: file.name,
+      mime: file.mime,
+    }))
+    for (const chunk of partsToContentChunks(files)) {
+      await connection.sessionUpdate({
+        sessionId: sessionID,
+        update: { sessionUpdate: "user_message_chunk", messageId: message.id, ...chunk },
+      })
+    }
+    return
+  }
+  if (message.type !== "assistant") return
+  for (const part of message.content) {
+    if (part.type === "text") {
+      await connection.sessionUpdate({
+        sessionId: sessionID,
+        update: {
+          sessionUpdate: "agent_message_chunk",
+          messageId: message.id,
+          content: { type: "text", text: part.text },
+        },
+      })
+      continue
+    }
+    if (part.type === "reasoning") {
+      await connection.sessionUpdate({
+        sessionId: sessionID,
+        update: {
+          sessionUpdate: "agent_thought_chunk",
+          messageId: message.id,
+          content: { type: "text", text: part.text },
+        },
+      })
+      continue
+    }
+    await connection.sessionUpdate({
+      sessionId: sessionID,
+      update: {
+        sessionUpdate: "tool_call",
+        ...pendingToolCall({
+          toolCallId: part.id,
+          toolName: part.name,
+          state: { input: part.state.status === "streaming" ? {} : part.state.input },
+          cwd,
+        }),
+      },
+    })
+    switch (part.state.status) {
+      case "completed":
+        await connection.sessionUpdate({
+          sessionId: sessionID,
+          update: {
+            sessionUpdate: "tool_call_update",
+            ...completedToolUpdate({
+              toolCallId: part.id,
+              toolName: part.name,
+              input: part.state.input,
+              structured: part.state.structured,
+              content: part.state.content,
+              result: part.state.result,
+            }),
+          },
+        })
+        break
+      case "running":
+        await connection.sessionUpdate({
+          sessionId: sessionID,
+          update: {
+            sessionUpdate: "tool_call_update",
+            ...runningToolUpdate({
+              toolCallId: part.id,
+              toolName: part.name,
+              state: { input: part.state.input },
+              content: part.state.content,
+              cwd,
+            }),
+          },
+        })
+        break
+      case "error":
+        await connection.sessionUpdate({
+          sessionId: sessionID,
+          update: {
+            sessionUpdate: "tool_call_update",
+            ...errorToolUpdate({
+              toolCallId: part.id,
+              toolName: part.name,
+              input: part.state.input,
+              structured: part.state.structured,
+              content: part.state.content,
+              error: part.state.error.message,
+              cwd,
+            }),
+          },
+        })
+        break
+      case "streaming":
+        break
+    }
+  }
+}
+
+function matchesStart(event: EventSubscribeOutput, start: TurnStart) {
+  if (start.type === "input") return event.type === "session.input.promoted" && event.data.inputID === start.id
+  if (start.type === "compaction")
+    return event.type === "session.compaction.admitted" && event.data.inputID === start.id
+  return event.type === "session.skill.activated" && event.id === start.id.replace(/^msg_/, "evt_")
+}
+
+function response(
+  assistant: SessionMessageAssistant | undefined,
+  executionError: { readonly type: string; readonly message: string } | undefined,
+  terminal: "succeeded" | "failed" | "interrupted",
+  cancelled: boolean,
+  finish: SessionMessageAssistant["finish"],
+  messageID: string | null | undefined,
+): PromptResponse {
+  const error = assistant?.error ?? executionError
+  if (error?.type === "provider.auth") throw new ACPError.AuthRequiredError()
+  if (error && error.type !== "aborted" && error.type !== "provider.content-filter") {
+    throw new ACPError.ServiceFailureError({
+      safeMessage: error.message || "OpenCode prompt failed",
+      service: "session",
+      errorName: error.type,
+    })
+  }
+  const tokens = assistant?.tokens
+  const usage = tokens
+    ? {
+        inputTokens: tokens.input,
+        outputTokens: tokens.output,
+        totalTokens: tokens.input + tokens.output + tokens.reasoning + tokens.cache.read + tokens.cache.write,
+        ...(tokens.reasoning > 0 ? { thoughtTokens: tokens.reasoning } : {}),
+        ...(tokens.cache.read > 0 ? { cachedReadTokens: tokens.cache.read } : {}),
+        ...(tokens.cache.write > 0 ? { cachedWriteTokens: tokens.cache.write } : {}),
+      }
+    : undefined
+  const stopReason = resolveStopReason({ terminal, cancelled, finish, error: error?.type })
+  return { stopReason, ...(usage ? { usage } : {}), ...(messageID ? { userMessageId: messageID } : {}), _meta: {} }
+}
+
+function resolveStopReason(input: {
+  readonly terminal: "succeeded" | "failed" | "interrupted"
+  readonly cancelled: boolean
+  readonly finish: SessionMessageAssistant["finish"]
+  readonly error?: string
+}): PromptResponse["stopReason"] {
+  if (input.cancelled || input.terminal === "interrupted" || input.error === "aborted") return "cancelled"
+  if (input.finish === "length") return "max_tokens"
+  if (input.finish === "content-filter" || input.error === "provider.content-filter") return "refusal"
+  return "end_turn"
+}
+
+export * as ACPEvent from "./event"
@@ -0,0 +1,179 @@
+import type { AgentSideConnection, PermissionOption, ToolCallContent, ToolCallLocation } from "@agentclientprotocol/sdk"
+import type { EventSubscribeOutput, OpenCodeClient } from "@opencode-ai/client/promise"
+import { Patch } from "@opencode-ai/util/patch"
+import { Result } from "effect"
+import { isAbsolute, resolve } from "node:path"
+import { pendingToolCall, stringValue, toLocations, toToolKind, type ToolInput } from "./tool"
+
+type PermissionEvent = Extract<EventSubscribeOutput, { type: "permission.v2.asked" }>
+type Connection = Pick<AgentSideConnection, "requestPermission"> & Partial<Pick<AgentSideConnection, "writeTextFile">>
+type Tool = { readonly name: string; readonly input: ToolInput }
+
+const options: PermissionOption[] = [
+  { optionId: "once", kind: "allow_once", name: "Allow once" },
+  { optionId: "always", kind: "allow_always", name: "Always allow" },
+  { optionId: "reject", kind: "reject_once", name: "Reject" },
+]
+
+export async function replyPermission(input: {
+  readonly client: OpenCodeClient
+  readonly connection: Connection
+  readonly event: PermissionEvent
+  readonly sessionID: string
+  readonly cwd: string
+  readonly tool?: Tool
+}) {
+  const toolName = input.tool?.name ?? input.event.data.action
+  const toolInput = { ...input.event.data.metadata, ...input.tool?.input }
+  const previews = await permissionPreviews(toolName, toolInput, input.cwd)
+  const result = await input.connection
+    .requestPermission({
+      sessionId: input.sessionID,
+      toolCall: {
+        ...pendingToolCall({
+          toolCallId: input.event.data.source?.callID ?? input.event.data.id,
+          toolName,
+          state: { input: toolInput, title: permissionTitle(toolName, toolInput, previews) },
+          cwd: input.cwd,
+        }),
+        locations: permissionLocations(toolName, toolInput, input.event.data.resources, input.cwd, previews),
+        ...(previews.length > 0 ? { content: previews } : {}),
+      },
+      options,
+    })
+    .catch(() => undefined)
+  const selected = result?.outcome.outcome === "selected" ? result.outcome.optionId : undefined
+  const reply = selected === "once" || selected === "always" ? selected : "reject"
+  await input.client.permission.reply({
+    sessionID: input.sessionID,
+    requestID: input.event.data.id,
+    reply,
+  })
+}
+
+export async function syncEditedFiles(input: {
+  readonly connection: Partial<Pick<AgentSideConnection, "writeTextFile">>
+  readonly sessionID: string
+  readonly cwd: string
+  readonly toolName: string
+  readonly toolInput: ToolInput
+  readonly structured: Readonly<Record<string, unknown>>
+}) {
+  if (!input.connection.writeTextFile || toToolKind(input.toolName) !== "edit") return
+  const files = Array.isArray(input.structured.files)
+    ? input.structured.files.flatMap((file): string[] => {
+        if (!file || typeof file !== "object") return []
+        const path = Reflect.get(file, "file")
+        return typeof path === "string" ? [path] : []
+      })
+    : []
+  const path = filePath(input.toolInput)
+  const paths = [...new Set([...files, ...(path ? [path] : [])])]
+  await Promise.all(
+    paths.map(async (path) => {
+      const target = resolvePath(path, input.cwd)
+      const file = Bun.file(target)
+      if (!(await file.exists())) return
+      await input.connection.writeTextFile?.({ sessionId: input.sessionID, path: target, content: await file.text() })
+    }),
+  )
+}
+
+async function permissionPreviews(toolName: string, input: ToolInput, cwd: string): Promise<ToolCallContent[]> {
+  const tool = toolName.toLocaleLowerCase()
+  if (tool === "patch" || tool === "apply_patch") return patchPreviews(input, cwd)
+  const path = filePath(input)
+  if (!path) return []
+  const oldText = await readText(path, cwd)
+  if (tool === "write") {
+    const content = stringValue(input.content)
+    return content === undefined ? [] : [{ type: "diff", path, oldText, newText: content }]
+  }
+  if (tool !== "edit") return []
+  const oldString = stringValue(input.oldString)
+  const newString = stringValue(input.newString)
+  if (oldString === undefined || newString === undefined) return []
+  const newText =
+    input.replaceAll === true ? oldText.replaceAll(oldString, newString) : oldText.replace(oldString, newString)
+  return [{ type: "diff", path, oldText, newText }]
+}
+
+async function patchPreviews(input: ToolInput, cwd: string): Promise<ToolCallContent[]> {
+  const patchText = stringValue(input.patchText)
+  if (!patchText) return []
+  try {
+    const parsed = Patch.parse(patchText)
+    if (Result.isFailure(parsed)) return []
+    return await Promise.all(
+      parsed.success.map(async (hunk): Promise<ToolCallContent> => {
+        const oldText = hunk.type === "add" ? "" : await readText(hunk.path, cwd)
+        if (hunk.type === "add") {
+          const newText = hunk.contents.endsWith("\n") || hunk.contents === "" ? hunk.contents : `${hunk.contents}\n`
+          return { type: "diff", path: hunk.path, oldText, newText }
+        }
+        if (hunk.type === "delete") return { type: "diff", path: hunk.path, oldText, newText: "" }
+        return {
+          type: "diff",
+          path: hunk.movePath ?? hunk.path,
+          oldText,
+          newText: Patch.derive(hunk.path, hunk.chunks, oldText).content,
+        }
+      }),
+    )
+  } catch {
+    return []
+  }
+}
+
+function permissionTitle(toolName: string, input: ToolInput, previews: ReadonlyArray<ToolCallContent>) {
+  if (previews.length > 1) return `${previews.length} files`
+  switch (toolName.toLocaleLowerCase()) {
+    case "external_directory":
+      return stringValue(input.description) ?? stringValue(input.command) ?? stringValue(input.parentDir)
+    case "webfetch":
+      return stringValue(input.url)
+    case "websearch":
+      return stringValue(input.query)
+    case "grep":
+    case "glob":
+      return stringValue(input.pattern)
+    case "read":
+    case "edit":
+    case "write":
+    case "patch":
+    case "apply_patch":
+      return filePath(input) ?? (previews[0]?.type === "diff" ? previews[0].path : undefined)
+    default:
+      return undefined
+  }
+}
+
+function permissionLocations(
+  toolName: string,
+  input: ToolInput,
+  resources: ReadonlyArray<string>,
+  cwd: string,
+  previews: ReadonlyArray<ToolCallContent>,
+): ToolCallLocation[] {
+  const paths = previews.flatMap((preview) => (preview.type === "diff" ? [preview.path] : []))
+  if (paths.length > 0) return [...new Set(paths)].map((path) => ({ path }))
+  const locations = toLocations(toolName, input, cwd)
+  if (locations.length > 0) return locations
+  return resources.filter((resource) => resource !== "*").map((path) => ({ path }))
+}
+
+function readText(path: string, cwd: string) {
+  return Bun.file(resolvePath(path, cwd))
+    .text()
+    .catch(() => "")
+}
+
+function filePath(input: ToolInput) {
+  return stringValue(input.path) ?? stringValue(input.filePath) ?? stringValue(input.filepath)
+}
+
+function resolvePath(path: string, cwd: string) {
+  return isAbsolute(path) ? path : resolve(cwd, path)
+}
+
+export * as ACPPermission from "./permission"
@@ -0,0 +1,531 @@
+import {
+  isSessionNotFoundError,
+  type CommandInfo,
+  type ModelInfo,
+  type ModelRef,
+  type OpenCodeClient,
+  type SessionInfo,
+  type SessionMessageInfo,
+  type SkillInfo,
+} from "@opencode-ai/client/promise"
+import type {
+  AgentSideConnection,
+  AuthenticateRequest,
+  AuthenticateResponse,
+  AuthMethod,
+  CancelNotification,
+  CloseSessionRequest,
+  CloseSessionResponse,
+  ForkSessionRequest,
+  ForkSessionResponse,
+  InitializeRequest,
+  InitializeResponse,
+  ListSessionsRequest,
+  ListSessionsResponse,
+  LoadSessionRequest,
+  LoadSessionResponse,
+  McpServer,
+  NewSessionRequest,
+  NewSessionResponse,
+  PromptRequest,
+  PromptResponse,
+  ResumeSessionRequest,
+  ResumeSessionResponse,
+  SetSessionConfigOptionRequest,
+  SetSessionConfigOptionResponse,
+  SetSessionModelRequest,
+  SetSessionModelResponse,
+  SetSessionModeRequest,
+  SetSessionModeResponse,
+} from "@agentclientprotocol/sdk"
+import { OPENCODE_VERSION } from "../version"
+import { SessionMessage } from "@opencode-ai/schema/session-message"
+import { buildConfigOptions, parseModelSelection, type ConfigOptionProvider } from "./config-option"
+import { promptContentToParts } from "./content"
+import { replayMessages, streamTurn, type TurnControl, type TurnStart } from "./event"
+import { ACPError } from "./error"
+
+export const AuthMethodID = "opencode-login"
+
+type Connection = Pick<AgentSideConnection, "sessionUpdate" | "requestPermission">
+
+type Catalog = {
+  readonly providers: ConfigOptionProvider[]
+  readonly models: ModelInfo[]
+  readonly defaultModel: ModelRef
+  readonly modes: Array<{ id: string; name: string; description?: string }>
+  readonly defaultModeID: string
+  readonly commands: CommandInfo[]
+  readonly skills: SkillInfo[]
+}
+
+type Attached = {
+  readonly id: string
+  readonly cwd: string
+  catalog: Catalog
+  model: ModelRef
+  modeID: string
+}
+
+type PreparedPrompt = {
+  readonly start: TurnStart
+  readonly text: string
+  readonly files: Array<{ readonly uri: string; readonly name?: string }>
+  readonly synthetic: ReadonlyArray<string>
+  readonly slash?: { readonly name: string; readonly args: string }
+  readonly command?: CommandInfo
+  readonly skill?: SkillInfo
+}
+
+export interface Interface {
+  initialize(input: InitializeRequest): Promise<InitializeResponse>
+  authenticate(input: AuthenticateRequest): Promise<AuthenticateResponse>
+  newSession(input: NewSessionRequest): Promise<NewSessionResponse>
+  loadSession(input: LoadSessionRequest): Promise<LoadSessionResponse>
+  listSessions(input: ListSessionsRequest): Promise<ListSessionsResponse>
+  resumeSession(input: ResumeSessionRequest): Promise<ResumeSessionResponse>
+  closeSession(input: CloseSessionRequest): Promise<CloseSessionResponse>
+  forkSession(input: ForkSessionRequest): Promise<ForkSessionResponse>
+  setSessionConfigOption(input: SetSessionConfigOptionRequest): Promise<SetSessionConfigOptionResponse>
+  setSessionMode(input: SetSessionModeRequest): Promise<SetSessionModeResponse>
+  setSessionModel(input: SetSessionModelRequest): Promise<SetSessionModelResponse>
+  prompt(input: PromptRequest): Promise<PromptResponse>
+  cancel(input: CancelNotification): Promise<void>
+}
+
+export function make(input: { readonly client: OpenCodeClient; readonly connection: Connection }): Interface {
+  const sessions = new Map<string, Attached>()
+  const catalogs = new Map<string, Promise<Catalog>>()
+  const registeredMcp = new Map<string, Set<string>>()
+  const active = new Map<string, TurnControl>()
+
+  const catalog = (cwd: string) => {
+    const cached = catalogs.get(cwd)
+    if (cached) return cached
+    const loaded = loadCatalog(input.client, cwd).catch((error) => {
+      catalogs.delete(cwd)
+      throw error
+    })
+    catalogs.set(cwd, loaded)
+    return loaded
+  }
+
+  const requireSession = async (sessionID: string) => {
+    const current = sessions.get(sessionID)
+    if (current) return current
+    throw new ACPError.SessionNotFoundError({ sessionId: sessionID })
+  }
+
+  const attach = async (session: SessionInfo, cwd: string, mcpServers: readonly McpServer[]) => {
+    const currentCatalog = await catalog(cwd)
+    const state: Attached = {
+      id: session.id,
+      cwd,
+      catalog: currentCatalog,
+      model: session.model ?? currentCatalog.defaultModel,
+      modeID: session.agent ?? currentCatalog.defaultModeID,
+    }
+    sessions.set(session.id, state)
+    await registerMcpServers(input.client, registeredMcp, state, mcpServers)
+    await input.connection.sessionUpdate({
+      sessionId: state.id,
+      update: {
+        sessionUpdate: "available_commands_update",
+        availableCommands: [
+          ...state.catalog.commands,
+          ...state.catalog.skills.filter(
+            (skill) => !state.catalog.commands.some((command) => command.name === skill.name),
+          ),
+        ].map((command) => ({ name: command.name, description: command.description ?? "" })),
+      },
+    })
+    return state
+  }
+
+  const replay = async (state: Attached) => {
+    await replayMessages(input.connection, state.id, state.cwd, await messages(input.client, state.id))
+  }
+
+  const configOptions = (state: Attached) =>
+    buildConfigOptions({
+      providers: state.catalog.providers,
+      currentModel: { providerID: state.model.providerID, modelID: state.model.id },
+      currentVariant: state.model.variant,
+      modes: state.catalog.modes,
+      currentModeId: state.modeID,
+    })
+
+  return {
+    initialize: async (params) => {
+      const authMethod: AuthMethod = {
+        description: "Run `opencode auth login` in the terminal",
+        name: "Login with opencode",
+        id: AuthMethodID,
+      }
+      if (params.clientCapabilities?._meta?.["terminal-auth"] === true) {
+        authMethod._meta = {
+          "terminal-auth": { command: "opencode", args: ["auth", "login"], label: "OpenCode Login" },
+        }
+      }
+      return {
+        protocolVersion: 1,
+        agentCapabilities: {
+          loadSession: true,
+          mcpCapabilities: { http: true, sse: false },
+          promptCapabilities: { embeddedContext: true, image: true },
+          sessionCapabilities: { close: {}, fork: {}, list: {}, resume: {} },
+        },
+        authMethods: [authMethod],
+        agentInfo: { name: "OpenCode", version: OPENCODE_VERSION },
+      }
+    },
+    authenticate: async (params) => {
+      if (params.methodId !== AuthMethodID) throw new ACPError.UnknownAuthMethodError({ methodId: params.methodId })
+      return {}
+    },
+    newSession: async (params) => {
+      const currentCatalog = await catalog(params.cwd)
+      const created = await input.client.session.create({
+        location: { directory: params.cwd },
+        agent: currentCatalog.defaultModeID,
+        model: currentCatalog.defaultModel,
+      })
+      const state = await attach(created, params.cwd, params.mcpServers)
+      return { sessionId: state.id, configOptions: configOptions(state) }
+    },
+    loadSession: async (params) => {
+      const session = await getSession(input.client, params.sessionId)
+      const state = await attach(session, session.location.directory, params.mcpServers)
+      await replay(state)
+      return { configOptions: configOptions(state) }
+    },
+    listSessions: async (params) => {
+      const page = await input.client.session.list({
+        ...(params.cwd ? { directory: params.cwd } : {}),
+        order: "desc",
+        limit: 100,
+        ...(params.cursor ? { cursor: params.cursor } : {}),
+      })
+      return {
+        sessions: page.data.map((session) => ({
+          sessionId: session.id,
+          cwd: session.location.directory,
+          title: session.title,
+          updatedAt: new Date(session.time.updated).toISOString(),
+        })),
+        ...(page.cursor.next ? { nextCursor: page.cursor.next } : {}),
+      }
+    },
+    resumeSession: async (params) => {
+      const session = await getSession(input.client, params.sessionId)
+      const state = await attach(session, session.location.directory, params.mcpServers ?? [])
+      return { configOptions: configOptions(state) }
+    },
+    closeSession: async (params) => {
+      sessions.delete(params.sessionId)
+      registeredMcp.delete(params.sessionId)
+      const turn = active.get(params.sessionId)
+      if (turn) {
+        turn.cancelled = true
+        turn.admission.abort()
+      }
+      await input.client.session.interrupt({ sessionID: params.sessionId }).catch(() => {})
+      return {}
+    },
+    forkSession: async (params) => {
+      const forked = await input.client.session.fork({ sessionID: params.sessionId })
+      const state = await attach(forked, forked.location.directory, params.mcpServers ?? [])
+      await replay(state)
+      return { sessionId: state.id, configOptions: configOptions(state) }
+    },
+    setSessionConfigOption: async (params) => {
+      const state = await requireSession(params.sessionId)
+      if (typeof params.value !== "string") throw new ACPError.InvalidConfigOptionError({ configId: params.configId })
+      switch (params.configId) {
+        case "model": {
+          const selected = requireModel(state.catalog, params.value)
+          state.model = selected
+          await input.client.session.switchModel({ sessionID: state.id, model: selected })
+          break
+        }
+        case "effort": {
+          const model = state.catalog.models.find(
+            (item) => item.providerID === state.model.providerID && item.id === state.model.id,
+          )
+          if (!model?.variants.some((variant) => variant.id === params.value))
+            throw new ACPError.InvalidEffortError({ effort: params.value })
+          state.model = { ...state.model, variant: params.value }
+          await input.client.session.switchModel({ sessionID: state.id, model: state.model })
+          break
+        }
+        case "mode":
+          await selectMode(input.client, state, params.value)
+          break
+        default:
+          throw new ACPError.InvalidConfigOptionError({ configId: params.configId })
+      }
+      return { configOptions: configOptions(state) }
+    },
+    setSessionMode: async (params) => {
+      await selectMode(input.client, await requireSession(params.sessionId), params.modeId)
+      return {}
+    },
+    setSessionModel: async (params) => {
+      const state = await requireSession(params.sessionId)
+      const selected = requireModel(state.catalog, params.modelId)
+      state.model = selected
+      await input.client.session.switchModel({ sessionID: state.id, model: selected })
+      return {}
+    },
+    prompt: async (params) => {
+      const state = await requireSession(params.sessionId)
+      if (active.has(state.id)) {
+        throw new ACPError.ServiceFailureError({
+          safeMessage: `Session already has an active ACP prompt: ${state.id}`,
+          service: "session",
+        })
+      }
+      const messageID = SessionMessage.ID.create()
+      const prepared = preparePrompt(state.catalog, params.prompt, messageID)
+      const control: TurnControl = { cancelled: false, admission: new AbortController() }
+      active.set(state.id, control)
+      const response = await streamTurn({
+        client: input.client,
+        connection: input.connection,
+        sessionID: state.id,
+        cwd: state.cwd,
+        start: prepared.start,
+        userMessageID: params.messageId,
+        control,
+        submit: (signal) => submitPrompt(input.client, state, prepared, signal),
+      }).finally(() => {
+        if (active.get(state.id) === control) active.delete(state.id)
+      })
+      await sendUsageUpdate(input.client, input.connection, state, response.usage?.totalTokens).catch(() => {})
+      return response
+    },
+    cancel: async (params) => {
+      const current = active.get(params.sessionId)
+      if (current) {
+        current.cancelled = true
+        current.admission.abort()
+      }
+      await input.client.session.interrupt({ sessionID: params.sessionId }).catch(() => {})
+    },
+  }
+}
+
+function preparePrompt(catalog: Catalog, prompt: PromptRequest["prompt"], messageID: string): PreparedPrompt {
+  const parts = promptContentToParts(prompt)
+  const visible = parts.filter((part) => part.type !== "text" || (!part.synthetic && !part.ignored))
+  const synthetic = parts.flatMap((part) => (part.type === "text" && part.synthetic ? [part.text] : []))
+  const text = visible.flatMap((part) => (part.type === "text" ? [part.text] : [])).join("\n")
+  const files = visible.flatMap((part) => (part.type === "file" ? [{ uri: part.url, name: part.filename }] : []))
+  const slash = detectSlashCommand(text)
+  const command = slash ? catalog.commands.find((item) => item.name === slash.name) : undefined
+  const skill = slash ? catalog.skills.find((item) => item.name === slash.name) : undefined
+  const start = turnStart(messageID, slash, skill)
+  return { start, text, files, synthetic, slash, command, skill }
+}
+
+async function submitPrompt(client: OpenCodeClient, session: Attached, prompt: PreparedPrompt, signal: AbortSignal) {
+  if (prompt.synthetic.length > 0) {
+    await client.session.synthetic({
+      sessionID: session.id,
+      text: prompt.synthetic.join("\n\n"),
+      description: "ACP embedded context",
+      delivery: "steer",
+      resume: false,
+    })
+  }
+  if (prompt.start.type === "compaction") return client.session.compact({ sessionID: session.id, id: prompt.start.id })
+  if (prompt.skill) return client.session.skill({ sessionID: session.id, id: prompt.start.id, skill: prompt.skill.id })
+  if (prompt.command) {
+    return client.session.command(
+      {
+        sessionID: session.id,
+        id: prompt.start.id,
+        command: prompt.command.name,
+        arguments: prompt.slash?.args,
+        files: prompt.files,
+        delivery: "steer",
+      },
+      { signal },
+    )
+  }
+  return client.session.prompt(
+    { sessionID: session.id, id: prompt.start.id, text: prompt.text, files: prompt.files, delivery: "steer" },
+    { signal },
+  )
+}
+
+function turnStart(messageID: string, slash: PreparedPrompt["slash"], skill: SkillInfo | undefined): TurnStart {
+  if (slash?.name === "compact") return { type: "compaction", id: messageID }
+  if (skill) return { type: "skill", id: messageID }
+  return { type: "input", id: messageID }
+}
+
+async function loadCatalog(client: OpenCodeClient, cwd: string): Promise<Catalog> {
+  const location = { directory: cwd }
+  // Location plugins initialize asynchronously, so the first ACP request may observe an empty catalog.
+  const deadline = Date.now() + 5_000
+  let missing = "No models are available"
+  while (Date.now() < deadline) {
+    const [modelResult, defaultResult, agentResult, commandResult, skillResult] = await Promise.all([
+      client.model.list({ location }),
+      client.model.default({ location }),
+      client.agent.list({ location }),
+      client.command.list({ location }),
+      client.skill.list({ location }),
+    ])
+    const models = modelResult.data.filter((model) => model.enabled)
+    const defaultModel = defaultResult.data ?? models[0]
+    const agents = agentResult.data.filter((agent) => agent.mode !== "subagent" && !agent.hidden)
+    const defaultAgent = agents.find((agent) => agent.mode === "primary") ?? agents[0]
+    if (defaultModel && defaultAgent) {
+      return {
+        providers: providers(models),
+        models,
+        defaultModel: {
+          providerID: defaultModel.providerID,
+          id: defaultModel.id,
+          variant:
+            defaultModel.variants.find((variant) => variant.id === "default")?.id ?? defaultModel.variants[0]?.id,
+        },
+        modes: agents.map((agent) => ({ id: agent.id, name: agent.name, description: agent.description })),
+        defaultModeID: defaultAgent.id,
+        commands: commandResult.data,
+        skills: skillResult.data.filter((skill) => skill.slash !== false),
+      }
+    }
+    missing = defaultModel ? "No primary agents are available" : "No models are available"
+    await Bun.sleep(25)
+  }
+  throw new Error(missing)
+}
+
+function providers(models: readonly ModelInfo[]): ConfigOptionProvider[] {
+  return Array.from(new Set(models.map((model) => model.providerID)))
+    .toSorted()
+    .map((providerID) => ({
+      id: providerID,
+      name: providerID,
+      models: models
+        .filter((model) => model.providerID === providerID)
+        .map((model) => ({ id: model.id, name: model.name, variants: model.variants.map((variant) => variant.id) })),
+    }))
+}
+
+function requireModel(catalog: Catalog, modelID: string): ModelRef {
+  const selected = parseModelSelection(modelID, catalog.providers)
+  const model = catalog.models.find(
+    (item) => item.providerID === selected.model.providerID && item.id === selected.model.modelID,
+  )
+  if (!model) throw new ACPError.InvalidModelError({ providerId: selected.model.providerID, modelId: modelID })
+  if (selected.variant && !model.variants.some((variant) => variant.id === selected.variant))
+    throw new ACPError.InvalidEffortError({ effort: selected.variant })
+  return { providerID: model.providerID, id: model.id, variant: selected.variant }
+}
+
+async function selectMode(client: OpenCodeClient, state: Attached, modeID: string) {
+  if (!state.catalog.modes.some((mode) => mode.id === modeID)) throw new ACPError.InvalidModeError({ mode: modeID })
+  state.modeID = modeID
+  await client.session.switchAgent({ sessionID: state.id, agent: modeID })
+}
+
+async function getSession(client: OpenCodeClient, sessionID: string) {
+  return client.session.get({ sessionID }).catch((error) => {
+    if (isSessionNotFoundError(error)) throw new ACPError.SessionNotFoundError({ sessionId: sessionID })
+    throw error
+  })
+}
+
+async function messages(client: OpenCodeClient, sessionID: string) {
+  const result: SessionMessageInfo[] = []
+  let cursor: string | undefined
+  do {
+    const page = cursor
+      ? await client.message.list({ sessionID, limit: 200, cursor })
+      : await client.message.list({ sessionID, limit: 200, order: "asc" })
+    result.push(...page.data)
+    cursor = page.cursor.next ?? undefined
+  } while (cursor)
+  return result
+}
+
+async function registerMcpServers(
+  client: OpenCodeClient,
+  registered: Map<string, Set<string>>,
+  session: Attached,
+  servers: readonly McpServer[],
+) {
+  const current = registered.get(session.id) ?? new Set<string>()
+  registered.set(session.id, current)
+  await Promise.all(
+    servers.flatMap((server) => {
+      const config = mcpConfig(server)
+      const key = `${server.name}:${stableStringify(config)}`
+      if (current.has(key)) return []
+      current.add(key)
+      return [
+        client.mcp.add({ server: server.name, location: { directory: session.cwd }, config }).catch((error) => {
+          current.delete(key)
+          throw error
+        }),
+      ]
+    }),
+  )
+}
+
+function mcpConfig(server: McpServer) {
+  if ("type" in server) {
+    return {
+      type: "remote" as const,
+      url: server.url,
+      headers: Object.fromEntries(server.headers.map((header) => [header.name, header.value])),
+      oauth: false as const,
+    }
+  }
+  return {
+    type: "local" as const,
+    command: [server.command, ...server.args],
+    environment: Object.fromEntries(server.env.map((entry) => [entry.name, entry.value])),
+  }
+}
+
+function stableStringify(value: unknown): string {
+  if (Array.isArray(value)) return `[${value.map(stableStringify).join(",")}]`
+  if (!value || typeof value !== "object") return JSON.stringify(value)
+  return `{${Object.entries(value)
+    .toSorted(([a], [b]) => a.localeCompare(b))
+    .map(([key, item]) => `${JSON.stringify(key)}:${stableStringify(item)}`)
+    .join(",")}}`
+}
+
+async function sendUsageUpdate(client: OpenCodeClient, connection: Connection, session: Attached, used?: number) {
+  if (!used) return
+  const model = session.catalog.models.find(
+    (item) => item.providerID === session.model.providerID && item.id === session.model.id,
+  )
+  if (!model?.limit.context) return
+  const info = await client.session.get({ sessionID: session.id })
+  await connection.sessionUpdate({
+    sessionId: session.id,
+    update: {
+      sessionUpdate: "usage_update",
+      used,
+      size: model.limit.context,
+      cost: { amount: info.cost, currency: "USD" },
+    },
+  })
+}
+
+function detectSlashCommand(text: string): { readonly name: string; readonly args: string } | undefined {
+  const value = text.trim()
+  if (!value.startsWith("/")) return undefined
+  const [name, ...rest] = value.slice(1).split(/\s+/)
+  if (!name) return undefined
+  return { name, args: rest.join(" ").trim() }
+}
+
+export * as ACPService from "./service"
@@ -0,0 +1,222 @@
+import { isAbsolute, resolve } from "node:path"
+import type { ToolCall, ToolCallContent, ToolCallLocation, ToolCallUpdate, ToolKind } from "@agentclientprotocol/sdk"
+
+export type ToolInput = Record<string, unknown>
+export type ToolContent = ReadonlyArray<
+  | { readonly type: "text"; readonly text: string }
+  | { readonly type: "file"; readonly uri: string; readonly mime: string; readonly name?: string }
+>
+
+export function toToolKind(toolName: string): ToolKind {
+  switch (toolName.toLocaleLowerCase()) {
+    case "bash":
+    case "shell":
+      return "execute"
+    case "webfetch":
+      return "fetch"
+    case "edit":
+    case "apply_patch":
+    case "patch":
+    case "write":
+      return "edit"
+    case "grep":
+    case "glob":
+    case "context":
+    case "context7_resolve_library_id":
+    case "context7_get_library_docs":
+      return "search"
+    case "read":
+      return "read"
+    case "task":
+    case "subagent":
+      return "think"
+    default:
+      return "other"
+  }
+}
+
+export function toLocations(toolName: string, input: ToolInput, cwd?: string): ToolCallLocation[] {
+  switch (toolName.toLocaleLowerCase()) {
+    case "bash":
+    case "shell": {
+      const workdir = shellWorkdir(input, cwd)
+      return workdir ? [{ path: workdir }] : []
+    }
+    case "read":
+    case "edit":
+    case "write":
+    case "patch":
+    case "apply_patch":
+      return locationFrom(input.filePath ?? input.filepath)
+    case "external_directory":
+      return locationFrom(input.filePath ?? input.filepath, input.parentDir, input.directories)
+    case "grep":
+    case "glob":
+    case "context":
+    case "context7_resolve_library_id":
+    case "context7_get_library_docs":
+      return locationFrom(input.path)
+    default:
+      return []
+  }
+}
+
+export function pendingToolCall(input: {
+  readonly toolCallId: string
+  readonly toolName: string
+  readonly state: { readonly input: ToolInput; readonly title?: string }
+  readonly cwd?: string
+}): ToolCall {
+  return {
+    toolCallId: input.toolCallId,
+    title: toolTitle(input.toolName, input.state.input, input.state.title),
+    kind: toToolKind(input.toolName),
+    status: "pending",
+    locations: toLocations(input.toolName, input.state.input, input.cwd),
+    rawInput: rawInput(input.toolName, input.state.input, input.cwd),
+  }
+}
+
+export function runningToolUpdate(input: {
+  readonly toolCallId: string
+  readonly toolName: string
+  readonly state: { readonly input: ToolInput; readonly title?: string }
+  readonly content?: ToolContent
+  readonly cwd?: string
+}): ToolCallUpdate {
+  return {
+    toolCallId: input.toolCallId,
+    status: "in_progress",
+    kind: toToolKind(input.toolName),
+    title: toolTitle(input.toolName, input.state.input, input.state.title),
+    locations: toLocations(input.toolName, input.state.input, input.cwd),
+    rawInput: rawInput(input.toolName, input.state.input, input.cwd),
+    ...(input.content?.length ? { content: toolContent(input.content) } : {}),
+  }
+}
+
+export function completedToolUpdate(input: {
+  readonly toolCallId: string
+  readonly toolName: string
+  readonly input: ToolInput
+  readonly content: ToolContent
+  readonly structured: Readonly<Record<string, unknown>>
+  readonly result?: unknown
+}): ToolCallUpdate {
+  const normalized = toolContent(input.content)
+  const read = input.toolName.toLocaleLowerCase() === "read" ? readDisplayText(input.structured) : undefined
+  const images = normalized.filter((part) => part.type === "content" && part.content.type === "image")
+  const primary =
+    read === undefined
+      ? normalized.filter((part) => !images.includes(part))
+      : [{ type: "content" as const, content: { type: "text" as const, text: read } }]
+  const oldText = stringValue(input.input.oldString)
+  const newText = stringValue(input.input.newString)
+  const diff: ToolCallContent[] =
+    oldText === undefined || newText === undefined
+      ? []
+      : [
+          {
+            type: "diff",
+            path: stringValue(input.input.path) ?? stringValue(input.input.filePath) ?? "",
+            oldText,
+            newText,
+          },
+        ]
+  return {
+    toolCallId: input.toolCallId,
+    status: "completed",
+    content: [...primary, ...diff, ...images],
+    rawOutput: {
+      structured: input.structured,
+      ...(input.result === undefined ? {} : { result: input.result }),
+    },
+  }
+}
+
+export function errorToolUpdate(input: {
+  readonly toolCallId: string
+  readonly toolName: string
+  readonly input: ToolInput
+  readonly content: ToolContent
+  readonly structured: Readonly<Record<string, unknown>>
+  readonly error: string
+  readonly cwd?: string
+}): ToolCallUpdate {
+  return {
+    toolCallId: input.toolCallId,
+    status: "failed",
+    kind: toToolKind(input.toolName),
+    title: toolTitle(input.toolName, input.input, undefined),
+    locations: toLocations(input.toolName, input.input, input.cwd),
+    rawInput: rawInput(input.toolName, input.input, input.cwd),
+    content: [...toolContent(input.content), { type: "content", content: { type: "text", text: input.error } }],
+    rawOutput: { structured: input.structured, error: input.error },
+  }
+}
+
+function toolContent(content: ToolContent): ToolCallContent[] {
+  return content.flatMap((part): ToolCallContent[] => {
+    if (part.type === "text") return [{ type: "content", content: { type: "text", text: part.text } }]
+    const match = /^data:([^;,]+)(?:;[^,]*)*;base64,(.*)$/.exec(part.uri)
+    if (!match?.[1]?.startsWith("image/") || match[2] === undefined) return []
+    return [{ type: "content", content: { type: "image", mimeType: match[1], data: match[2] } }]
+  })
+}
+
+function readDisplayText(structured: Readonly<Record<string, unknown>>) {
+  if (typeof structured.content === "string") {
+    if (structured.type === "text-page" || structured.encoding === "utf8") return structured.content
+  }
+  if (!Array.isArray(structured.entries)) return undefined
+  return structured.entries
+    .flatMap((entry): string[] => {
+      if (typeof entry === "string") return [entry]
+      if (!entry || typeof entry !== "object") return []
+      const path = Reflect.get(entry, "path")
+      return typeof path === "string" ? [path] : []
+    })
+    .join("\n")
+}
+
+function toolTitle(toolName: string, input: ToolInput, fallback: string | undefined) {
+  if (isShell(toolName)) return stringValue(input.command) ?? stringValue(input.cmd) ?? fallback ?? toolName
+  return fallback || toolName
+}
+
+function rawInput(toolName: string, input: ToolInput, cwd?: string): ToolInput {
+  if (!isShell(toolName) || input.cwd || input.workdir) return input
+  const workdir = shellWorkdir(input, cwd)
+  return workdir ? { ...input, cwd: workdir } : input
+}
+
+function shellWorkdir(input: ToolInput, cwd?: string) {
+  const explicit = stringValue(input.workdir) ?? stringValue(input.cwd)
+  if (!explicit) return cwd
+  return isAbsolute(explicit) ? explicit : resolve(cwd ?? process.cwd(), explicit)
+}
+
+function isShell(toolName: string) {
+  const tool = toolName.toLocaleLowerCase()
+  return tool === "bash" || tool === "shell"
+}
+
+function locationFrom(...values: unknown[]): ToolCallLocation[] {
+  return Array.from(
+    new Set(
+      values.flatMap((value): string[] => {
+        if (Array.isArray(value))
+          return value.filter((item): item is string => typeof item === "string" && item.length > 0)
+        const path = stringValue(value)
+        return path ? [path] : []
+      }),
+    ),
+    (path) => ({ path }),
+  )
+}
+
+export function stringValue(value: unknown) {
+  return typeof value === "string" ? value : undefined
+}
+
+export * as ACPTool from "./tool"
@@ -32,8 +32,10 @@ export const Commands = Spec.make(typeof OPENCODE_CLI_NAME === "string" ? OPENCO
      Flag.withDescription("Session ID to continue"),
      Flag.optional,
    ),
+    prompt: Flag.string("prompt").pipe(Flag.withDescription("Prompt to use"), Flag.optional),
  },
  commands: [
+    Spec.make("acp", { description: "Start an Agent Client Protocol server" }),
    Spec.make("api", {
      description: "Make a request to the running server",
      params: {
@@ -0,0 +1,36 @@
+import { AgentSideConnection, ndJsonStream } from "@agentclientprotocol/sdk"
+import { OpenCode } from "@opencode-ai/client/promise"
+import { Service } from "@opencode-ai/client/effect/service"
+import { Effect } from "effect"
+import { ACP } from "../../acp/agent"
+import { Commands } from "../commands"
+import { Runtime } from "../../framework/runtime"
+import { Standalone } from "../../services/standalone"
+
+export default Runtime.handler(
+  Commands.commands.acp,
+  Effect.fn("cli.acp")(function* () {
+    process.env.OPENCODE_CLIENT = "acp"
+    const endpoint = yield* Standalone.start()
+    const client = OpenCode.make({ baseUrl: endpoint.url, headers: Service.headers(endpoint) })
+    const input = new WritableStream<Uint8Array>({
+      write: (chunk) =>
+        new Promise<void>((resolve, reject) => {
+          process.stdout.write(chunk, (error) => (error ? reject(error) : resolve()))
+        }),
+    })
+    const output = new ReadableStream<Uint8Array>({
+      start(controller) {
+        process.stdin.on("data", (chunk: Buffer) => controller.enqueue(new Uint8Array(chunk)))
+        process.stdin.on("end", () => controller.close())
+        process.stdin.on("error", (error) => controller.error(error))
+      },
+    })
+    const stream = ndJsonStream(input, output)
+    const connection = new AgentSideConnection((connection) => ACP.create(client, connection), stream)
+    process.stdin.resume()
+    yield* Effect.promise(() => connection.closed)
+    // EOF owns this stdio process; exiting also closes the private server's lease pipe.
+    yield* Effect.sync(() => process.exit(0))
+  }),
+)
@@ -1,7 +1,7 @@
 import { Cause, Effect, Exit, Option } from "effect"
 import { Service } from "@opencode-ai/client/effect/service"
 import { OpenCode, type OpenCodeClient } from "@opencode-ai/client/promise"
-import { AppProcess } from "@opencode-ai/core/process"
+import { AppProcess } from "@opencode-ai/util/process"
 import { Commands } from "../../commands"
 import { Runtime } from "../../../framework/runtime"
 import { ServiceConfig } from "../../../services/service-config"
@@ -1,5 +1,5 @@
-import { LayerNode } from "@opencode-ai/core/effect/layer-node"
-import { Global } from "@opencode-ai/core/global"
+import { LayerNode } from "@opencode-ai/util/effect/layer-node"
+import { Global } from "@opencode-ai/util/global"
 import { run } from "@opencode-ai/tui"
 import { Commands } from "../commands"
 import { Runtime } from "../../framework/runtime"
@@ -8,7 +8,8 @@ import { Context, Effect, FileSystem, Option } from "effect"
 import { ServerConnection } from "../../services/server-connection"
 import { Updater } from "../../services/updater"
 import { UpdatePreflight } from "../../services/update-preflight"
-import { Npm } from "@opencode-ai/core/npm"
+import { Npm } from "@opencode-ai/util/npm"
+import { OPENCODE_CHANNEL, OPENCODE_VERSION } from "../../version"

 export default Runtime.handler(Commands, (input) =>
  Effect.gen(function* () {
@@ -44,6 +45,7 @@ export default Runtime.handler(Commands, (input) =>
    const runPromise = Effect.runPromiseWith(context)
    const service = server.service
    yield* run({
+      app: { name: process.env.OPENCODE_CLIENT ?? "cli", version: OPENCODE_VERSION, channel: OPENCODE_CHANNEL },
      server: {
        endpoint: server.endpoint,
        service: service
@@ -53,7 +55,11 @@ export default Runtime.handler(Commands, (input) =>
            }
          : undefined,
      },
-      args: { continue: input.continue, sessionID: Option.getOrUndefined(input.session) },
+      args: {
+        continue: input.continue,
+        sessionID: Option.getOrUndefined(input.session),
+        prompt: Option.getOrUndefined(input.prompt),
+      },
      config: {
        path: config.path,
        get: () => runPromise(config.get()),
@@ -3,7 +3,7 @@ import path from "node:path"
 import { readFile, stat, writeFile } from "node:fs/promises"
 import { Effect, Option } from "effect"
 import { applyEdits, modify } from "jsonc-parser"
-import { Global } from "@opencode-ai/core/global"
+import { Global } from "@opencode-ai/util/global"
 import { Commands } from "../../commands"
 import { Runtime } from "../../../framework/runtime"

@@ -32,6 +32,9 @@ export default Runtime.handler(Commands.commands.mini, (input) =>
        replayLimit: Option.getOrUndefined(input.replayLimit),
        demo: input.demo,
        tuiConfig: resolved,
+        config: {
+          update: (update) => runServicePromise(config.update(update)),
+        },
      }),
    )
  }),
@@ -1,6 +1,6 @@
 export * as Config from "./config"

-import { Global } from "@opencode-ai/core/global"
+import { Global } from "@opencode-ai/util/global"
 import { Context, Effect, FileSystem, Layer, Option, Schema, Semaphore } from "effect"
 import { produce, type Draft } from "immer"
 import { applyEdits, modify, parse, type ParseError } from "jsonc-parser"
@@ -1,10 +1,10 @@
 import { Effect, FileSystem, Scope } from "effect"
 import { Command } from "effect/unstable/cli"
 import { Spec } from "./spec"
-import { Global } from "@opencode-ai/core/global"
+import { Global } from "@opencode-ai/util/global"
 import { Updater } from "../services/updater"
 import { Config } from "../config"
-import { Npm } from "@opencode-ai/core/npm"
+import { Npm } from "@opencode-ai/util/npm"

 export type Input<Value> =
  Value extends Spec.Node<infer _Name, infer Command, infer _Commands>
@@ -4,17 +4,18 @@ import { NodeRuntime, NodeServices } from "@effect/platform-node"
 import { Effect } from "effect"
 import { Commands } from "./commands/commands"
 import { Runtime } from "./framework/runtime"
-import { Observability } from "@opencode-ai/core/observability"
+import { Observability } from "@opencode-ai/util/observability"
 import { Updater } from "./services/updater"
-import { InstallationChannel, InstallationVersion, InstallationLocal } from "@opencode-ai/core/installation/version"
-import { LayerNode } from "@opencode-ai/core/effect/layer-node"
-import { Global } from "@opencode-ai/core/global"
-import { AppProcess } from "@opencode-ai/core/process"
+import { OPENCODE_CHANNEL, OPENCODE_LOCAL, OPENCODE_VERSION } from "./version"
+import { LayerNode } from "@opencode-ai/util/effect/layer-node"
+import { Global } from "@opencode-ai/util/global"
+import { AppProcess } from "@opencode-ai/util/process"
 import { Config } from "./config"
-import { Npm } from "@opencode-ai/core/npm"
+import { Npm } from "@opencode-ai/util/npm"

 const Handlers = Runtime.handlers(Commands, {
  $: () => import("./commands/handlers/default"),
+  acp: () => import("./commands/handlers/acp"),
  api: () => import("./commands/handlers/api"),
  auth: {
    connect: () => import("./commands/handlers/auth/connect"),
@@ -51,12 +52,12 @@ const Handlers = Runtime.handlers(Commands, {
 })

 Effect.logInfo("cli starting", {
-  version: InstallationVersion,
-  channel: InstallationChannel,
-  local: InstallationLocal,
+  version: OPENCODE_VERSION,
+  channel: OPENCODE_CHANNEL,
+  local: OPENCODE_LOCAL,
  args: process.argv.slice(2),
 }).pipe(
-  Effect.flatMap(() => Runtime.run(Commands, Handlers, { version: InstallationVersion })),
+  Effect.flatMap(() => Runtime.run(Commands, Handlers, { version: OPENCODE_VERSION })),
  Effect.annotateLogs({ role: "cli" }),
  Effect.provide(Config.layer),
  Effect.provide(Updater.layer),
@@ -73,6 +74,8 @@ Effect.logInfo("cli starting", {
      endpoint: process.env.OTEL_EXPORTER_OTLP_ENDPOINT,
      headers: process.env.OTEL_EXPORTER_OTLP_HEADERS,
      client: process.env.OPENCODE_CLIENT ?? "cli",
+      version: OPENCODE_VERSION,
+      channel: OPENCODE_CHANNEL,
    }),
  ),
  Effect.provide(NodeServices.layer),
@@ -1,6 +1,6 @@
 import type { MiniFrontendInput } from "@opencode-ai/tui/mini"
 import { createModelPreferenceRepository } from "@opencode-ai/tui/model-preference"
-import { Global } from "@opencode-ai/core/global"
+import { Global } from "@opencode-ai/util/global"
 import fs from "node:fs"
 import { readFile } from "node:fs/promises"
 import path from "node:path"
@@ -2,7 +2,6 @@ import { Service, type Endpoint } from "@opencode-ai/client/effect/service"
 import { ClientError, OpenCode, type OpenCodeClient } from "@opencode-ai/client/promise"
 import type { MiniFrontendInput } from "@opencode-ai/tui/mini"
 import { setTimeout } from "node:timers/promises"
-import { waitForCatalogReady } from "./services/catalog"
 import { readStdin } from "./util/io"
 import { createMiniHost, INTERACTIVE_INPUT_ERROR, usingInteractiveStdin } from "./mini-host"
 import { parseSessionTargetModel, resolveSessionTarget, type SessionTargetPreparation } from "./session-target"
@@ -22,6 +21,7 @@ export type MiniCommandInput = {
  replayLimit?: number
  demo?: boolean
  tuiConfig?: MiniFrontendInput["tuiConfig"]
+  config?: MiniFrontendInput["config"]
 }

 type Model = MiniFrontendInput["model"]
@@ -119,6 +119,7 @@ export async function runMini(input: MiniCommandInput) {
        replayLimit: input.replayLimit,
        demo: input.demo,
        tuiConfig: input.tuiConfig,
+        config: input.config,
      })
    })
    if (result.exitCode !== 0) process.exit(result.exitCode)
@@ -212,63 +213,7 @@ function parseModel(value?: string) {
 }

 function prepareTarget(requestedAgent?: string): SessionTargetPreparation {
-  return async (input) => {
-    if (input.model)
-      await waitForCatalogReady({
-        sdk: input.client,
-        directory: input.location.directory,
-        workspace: input.location.workspaceID,
-        model: { providerID: input.model.providerID, modelID: input.model.id },
-        signal: input.signal,
-      })
-    return {
-      model: input.model,
-      agent: requestedAgent
-        ? await validateAgent(
-            input.client,
-            input.location.directory,
-            input.location.workspaceID,
-            requestedAgent,
-            input.signal,
-          )
-        : input.agent,
-    }
-  }
-}
-
-async function validateAgent(
-  sdk: OpenCodeClient,
-  directory: string,
-  workspace: string | undefined,
-  name?: string,
-  signal?: AbortSignal,
-) {
-  if (!name) return
-  const deadline = Date.now() + 5_000
-  let agents: Awaited<ReturnType<OpenCodeClient["agent"]["list"]>> | undefined
-  while (Date.now() < deadline && !signal?.aborted) {
-    agents = await sdk.agent.list({ location: { directory, workspace } }, { signal }).catch((error) => {
-      if (signal && error instanceof ClientError && error.reason === "Transport") throw error
-      return undefined
-    })
-    const agent = agents?.data.find((item) => item.id === name)
-    if (agent?.mode === "subagent") {
-      warning(`agent "${name}" is a subagent, not a primary agent. Falling back to default agent`)
-      return
-    }
-    if (agent) return name
-    await setTimeout(25, undefined, { signal }).catch(() => {})
-  }
-  if (signal?.aborted) return
-  if (!agents) {
-    warning("failed to list agents. Falling back to default agent")
-    return
-  }
-  warning(`agent "${name}" not found. Falling back to default agent`)
-}
-
-function warning(message: string) {
-  process.stderr.write(`\x1b[93m\x1b[1m!\x1b[0m ${message}\n`)
+  return async (input) => ({ model: input.model, agent: requestedAgent ?? input.agent })
 }

 function fail(message: string): never {
@@ -5,6 +5,7 @@ import type {
  LocationRef,
  OpenCodeClient,
  SessionMessageAssistantTool,
+  SessionMessageInfo,
 } from "@opencode-ai/client/promise"
 import { SessionMessage } from "@opencode-ai/schema/session-message"
 import { EOL } from "node:os"
@@ -75,6 +76,9 @@ export async function runNonInteractivePrompt(input: Input) {
  const messageID = SessionMessage.ID.create()
  const starts = new Map<string, StartedPart>()
  const tools = new Map<string, ToolState>()
+  const renderedText = new Map<string, string>()
+  const renderedReasoning = new Map<string, string>()
+  const renderedTools = new Set<string>()
  let submitted = false
  let promoted = false
  let emittedError = false
@@ -82,6 +86,8 @@ export async function runNonInteractivePrompt(input: Input) {
  let formCancelled = false
  let interrupted = false
  let v1InvalidOutput = false
+  let prePromotionError: { message: string; [key: string]: unknown } | undefined
+  let finalizing = false
  let admission: AbortController | undefined
  let pendingStep: { timestamp: number; part: Record<string, unknown>; label: string } | undefined

@@ -104,6 +110,17 @@ export async function runNonInteractivePrompt(input: Input) {
    UI.empty()
  }

+  const writeReasoning = (part: { text: string; [key: string]: unknown }, timestamp: number) => {
+    if (emit("reasoning", timestamp, { part })) return
+    const text = part.text.trim()
+    if (!text) return
+    const line = `Thinking: ${text}`
+    if (!process.stdout.isTTY) return void process.stdout.write(line + EOL)
+    UI.empty()
+    UI.println(`${UI.Style.TEXT_DIM}\u001b[3m${line}\u001b[0m${UI.Style.TEXT_NORMAL}`)
+    UI.empty()
+  }
+
  const flushStep = () => {
    if (!pendingStep) return
    const value = pendingStep
@@ -181,6 +198,7 @@ export async function runNonInteractivePrompt(input: Input) {
      if (event.type === "session.input.promoted") {
        if (event.data.inputID === messageID) {
          promoted = true
+          prePromotionError = undefined
          continue
        }
      }
@@ -191,7 +209,19 @@ export async function runNonInteractivePrompt(input: Input) {
      ) {
        return
      }
+      if (!promoted && event.type === "session.execution.failed") {
+        prePromotionError = event.data.error
+        if (finalizing) return
+        continue
+      }
+      if (
+        !promoted &&
+        finalizing &&
+        (event.type === "session.execution.succeeded" || event.type === "session.execution.interrupted")
+      )
+        return
      if (!promoted) continue
+      if (finalizing && !event.type.startsWith("session.execution.")) continue

      if (event.type === "session.step.started") {
        const part = {
@@ -219,12 +249,16 @@ export async function runNonInteractivePrompt(input: Input) {

      if (event.type === "session.text.started") {
        flushStep()
-        starts.set("text", { id: partID(event.id), timestamp: time })
+        starts.set(`text\u0000${contentKey(event.data.assistantMessageID, event.data.ordinal)}`, {
+          id: partID(event.id),
+          timestamp: time,
+        })
        continue
      }
      if (event.type === "session.text.ended") {
-        const started = starts.get("text")
-        starts.delete("text")
+        const key = contentKey(event.data.assistantMessageID, event.data.ordinal)
+        const started = starts.get(`text\u0000${key}`)
+        starts.delete(`text\u0000${key}`)
        const part = {
          id: started?.id ?? partID(event.id),
          sessionID: input.sessionID,
@@ -233,18 +267,23 @@ export async function runNonInteractivePrompt(input: Input) {
          text: event.data.text,
          time: { start: started?.timestamp ?? time, end: time },
        }
+        renderedText.set(key, event.data.text)
        writeText(part, time)
        continue
      }

      if (event.type === "session.reasoning.started") {
        flushStep()
-        starts.set("reasoning", { id: partID(event.id), timestamp: time })
+        starts.set(`reasoning\u0000${contentKey(event.data.assistantMessageID, event.data.ordinal)}`, {
+          id: partID(event.id),
+          timestamp: time,
+        })
        continue
      }
      if (event.type === "session.reasoning.ended" && input.thinking) {
-        const started = starts.get("reasoning")
-        starts.delete("reasoning")
+        const key = contentKey(event.data.assistantMessageID, event.data.ordinal)
+        const started = starts.get(`reasoning\u0000${key}`)
+        starts.delete(`reasoning\u0000${key}`)
        const part = {
          id: started?.id ?? partID(event.id),
          sessionID: input.sessionID,
@@ -254,17 +293,8 @@ export async function runNonInteractivePrompt(input: Input) {
          metadata: event.data.state,
          time: { start: started?.timestamp ?? time, end: time },
        }
-        if (emit("reasoning", time, { part })) continue
-        const text = part.text.trim()
-        if (!text) continue
-        const line = `Thinking: ${text}`
-        if (!process.stdout.isTTY) {
-          process.stdout.write(line + EOL)
-          continue
-        }
-        UI.empty()
-        UI.println(`${UI.Style.TEXT_DIM}\u001b[3m${line}\u001b[0m${UI.Style.TEXT_NORMAL}`)
-        UI.empty()
+        renderedReasoning.set(key, event.data.text)
+        writeReasoning(part, time)
        continue
      }

@@ -360,6 +390,7 @@ export async function runNonInteractivePrompt(input: Input) {
          },
        }
        tools.delete(key)
+        renderedTools.add(key)
        if (!emit("tool_use", time, { part })) await input.renderTool(tool)
        continue
      }
@@ -367,6 +398,8 @@ export async function runNonInteractivePrompt(input: Input) {
        const key = toolKey(event.data.assistantMessageID, event.data.callID)
        const current = tools.get(key) ?? fallbackTool(event)
        const error = event.data.error.message
+        const structured = event.data.metadata ?? current.structured
+        const content = event.data.content ?? current.content
        const tool: SessionMessageAssistantTool = {
          type: "tool",
          id: event.data.callID,
@@ -377,8 +410,8 @@ export async function runNonInteractivePrompt(input: Input) {
          state: {
            status: "error",
            input: current.input,
-            structured: current.structured,
-            content: current.content,
+            structured,
+            content,
            error: event.data.error,
            result: event.data.result,
          },
@@ -405,16 +438,17 @@ export async function runNonInteractivePrompt(input: Input) {
          },
        }
        tools.delete(key)
+        renderedTools.add(key)
        if (input.compatibility === "v1" && (permissionRejected || formCancelled)) continue
        if (!emit("tool_use", time, { part })) {
-          if (toolOutputText(current.tool, current.content).trim())
+          if (toolOutputText(current.tool, content).trim())
            await input.renderTool({
              ...tool,
              state: {
                status: "completed",
                input: current.input,
-                structured: current.structured,
-                content: current.content,
+                structured,
+                content,
                result: event.data.result,
              },
            })
@@ -480,6 +514,125 @@ export async function runNonInteractivePrompt(input: Input) {
    }
  }

+  const projectedMessages = async () => {
+    const messages: SessionMessageInfo[] = []
+    let cursor: string | undefined
+    while (true) {
+      const page = await input.client.message.list(
+        cursor
+          ? { sessionID: input.sessionID, limit: 200, cursor }
+          : { sessionID: input.sessionID, limit: 200, order: "desc" },
+      )
+      for (const message of page.data) {
+        if (message.id === messageID) return { found: true, messages: messages.toReversed() }
+        messages.push(message)
+      }
+      cursor = page.cursor.next ?? undefined
+      if (!cursor) return { found: false, messages: [] }
+    }
+  }
+
+  const reconcile = async () => {
+    const projected = await projectedMessages()
+    for (const message of projected.messages) {
+      if (message.type !== "assistant") continue
+      const timestamp = message.time.completed ?? message.time.created
+      let textOrdinal = 0
+      let reasoningOrdinal = 0
+      for (const item of message.content) {
+        if (item.type === "text") {
+          const ordinal = textOrdinal++
+          const key = contentKey(message.id, ordinal)
+          const rendered = renderedText.get(key) ?? ""
+          if (rendered === item.text || !item.text.startsWith(rendered)) continue
+          const text = item.text.slice(rendered.length)
+          writeText(
+            {
+              id: projectedPartID(message.id, `text-${ordinal}`),
+              sessionID: input.sessionID,
+              messageID: message.id,
+              type: "text",
+              text,
+              time: { start: message.time.created, end: timestamp },
+            },
+            timestamp,
+          )
+          renderedText.set(key, item.text)
+          continue
+        }
+        if (item.type === "reasoning") {
+          const ordinal = reasoningOrdinal++
+          if (!input.thinking) continue
+          const key = contentKey(message.id, ordinal)
+          const rendered = renderedReasoning.get(key) ?? ""
+          if (rendered === item.text || !item.text.startsWith(rendered)) continue
+          const text = item.text.slice(rendered.length)
+          const part = {
+            id: projectedPartID(message.id, `reasoning-${ordinal}`),
+            sessionID: input.sessionID,
+            messageID: message.id,
+            type: "reasoning",
+            text,
+            metadata: item.state,
+            time: { start: message.time.created, end: timestamp },
+          }
+          renderedReasoning.set(key, item.text)
+          writeReasoning(part, timestamp)
+          continue
+        }
+
+        const key = toolKey(message.id, item.id)
+        if (renderedTools.has(key) || item.state.status === "streaming" || item.state.status === "running") continue
+        const part: MiniToolPart = {
+          id: projectedPartID(message.id, `tool-${item.id}`),
+          sessionID: input.sessionID,
+          messageID: message.id,
+          type: "tool",
+          callID: item.id,
+          tool: item.name,
+          state:
+            item.state.status === "completed"
+              ? {
+                  status: "completed",
+                  input: item.state.input,
+                  output: toolOutputText(item.name, item.state.content),
+                  title: item.name,
+                  metadata: { structured: item.state.structured, content: item.state.content, result: item.state.result },
+                  time: { start: item.time.ran ?? item.time.created, end: item.time.completed ?? timestamp },
+                }
+              : {
+                  status: "error",
+                  input: item.state.input,
+                  error: item.state.error.message,
+                  metadata: { structured: item.state.structured, content: item.state.content, result: item.state.result },
+                  time: { start: item.time.ran ?? item.time.created, end: item.time.completed ?? timestamp },
+                },
+        }
+        renderedTools.add(key)
+        if (emit("tool_use", timestamp, { part })) continue
+        if (item.state.status === "completed") {
+          await input.renderTool(item)
+          continue
+        }
+        if (toolOutputText(item.name, item.state.content).trim()) {
+          await input.renderTool({ ...item, state: { ...item.state, status: "completed" } })
+        }
+        await input.renderToolError(item)
+        UI.error(item.state.error.message)
+      }
+
+      if (message.error && !emittedError) {
+        emittedError = true
+        process.exitCode = 1
+        if (!emit("error", timestamp, { error: message.error })) UI.error(message.error.message)
+      }
+    }
+    return {
+      found: projected.found,
+      responded: projected.messages.some((message) => message.type === "assistant"),
+    }
+  }
+
  const interrupt = () => {
    if (interrupted) process.exit(130)
    interrupted = true
@@ -559,11 +712,36 @@ export async function runNonInteractivePrompt(input: Input) {
        ? globals.data.filter((form) => form.sessionID === GLOBAL_FORM_SESSION_ID).map(cancelForm)
        : []),
    ])
-    await completed
+    if (input.compatibility === "v1") {
+      await completed
+      return
+    }
+
+    const waiting = input.client.session.wait({ sessionID: input.sessionID })
+    await Promise.race([waiting, completed.then(() => waiting)])
+    finalizing = true
+    const projected = await reconcile()
+    if (
+      !projected.responded &&
+      !interrupted &&
+      !permissionRejected &&
+      !formCancelled &&
+      !emittedError &&
+      !prePromotionError
+    ) {
+      await completed
+    }
+    if (!projected.found && !interrupted && !permissionRejected && !formCancelled && !emittedError) {
+      const error = prePromotionError ?? { type: "unknown", message: "Prompt was not promoted" }
+      emittedError = true
+      process.exitCode = 1
+      if (!emit("error", Date.now(), { error })) UI.error(error.message)
+    }
  } finally {
    process.off("SIGINT", interrupt)
    controller.abort()
-    await stream.return?.(undefined).catch(() => {})
+    if (input.compatibility === "v1") await stream.return?.(undefined).catch(() => {})
+    else void stream.return?.(undefined).catch(() => {})
  }
 }

@@ -595,6 +773,14 @@ function toolKey(messageID: string, callID: string) {
  return `${messageID}\u0000${callID}`
 }

+function contentKey(messageID: string, ordinal: number) {
+  return `${messageID}\u0000${ordinal}`
+}
+
+function projectedPartID(messageID: string, part: string) {
+  return `prt_${messageID.replace(/^msg_/, "")}_${part}`
+}
+
 function fallbackTool(event: {
  id: string
  created: number
@@ -1,11 +1,10 @@
 import { Service, type Endpoint } from "@opencode-ai/client/effect/service"
 import { OpenCode, type OpenCodeClient, type SessionMessageAssistantTool } from "@opencode-ai/client/promise"
-import { FSUtil } from "@opencode-ai/core/fs-util"
+import { FSUtil } from "@opencode-ai/util/fs-util"
 import { open } from "node:fs/promises"
 import path from "node:path"
 import { readStdin } from "../util/io"
 import { ServerConnection } from "../services/server-connection"
-import { waitForCatalogReady } from "../services/catalog"
 import { parseSessionTargetModel, resolveSessionTarget } from "../session-target"
 import { toolInlineInfo } from "@opencode-ai/tui/mini/tool"
 import { runNonInteractivePrompt } from "./noninteractive"
@@ -95,9 +94,11 @@ async function execute(input: RunCommandInput, prepared: Prepared, endpoint: End
    prepare: async (next) => {
      const selected =
        next.model ??
-        (await client.model
-          .default({ location: { directory: next.location.directory, workspace: next.location.workspaceID } })
-          .then((result) => result.data))
+        (options.variant
+          ? await client.model
+              .default({ location: { directory: next.location.directory, workspace: next.location.workspaceID } })
+              .then((result) => result.data)
+          : undefined)
      const model = selected
        ? {
            providerID: selected.providerID,
@@ -107,25 +108,7 @@ async function execute(input: RunCommandInput, prepared: Prepared, endpoint: End
        : undefined
      if ((options.variant ?? explicit?.variant) && !model)
        throw new RunTargetError("Cannot select a variant before selecting a model", next.session?.id)
-      if (model) {
-        await waitForCatalogReady({
-          sdk: client,
-          directory: next.location.directory,
-          workspace: next.location.workspaceID,
-          model: { providerID: model.providerID, modelID: model.id },
-        })
-        const available = await client.model.list({
-          location: { directory: next.location.directory, workspace: next.location.workspaceID },
-        })
-        if (!available.data.some((item) => item.providerID === model.providerID && item.id === model.id))
-          throw new RunTargetError(`Model unavailable: ${model.providerID}/${model.id}`, next.session?.id)
-      }
-      return {
-        model,
-        agent: input.agent
-          ? await validateAgent(client, next.location.directory, next.location.workspaceID, input.agent)
-          : next.agent,
-      }
+      return { model, agent: next.agent }
    },
  }).catch((error) => {
    if (!(error instanceof RunTargetError)) throw error
@@ -190,28 +173,6 @@ export function parseRunModel(value?: string) {
  }
 }

-async function validateAgent(client: OpenCodeClient, directory: string, workspace: string | undefined, name?: string) {
-  if (!name) return
-  const agents = await client.agent
-    .list({ location: { directory, workspace } })
-    .then((result) => result.data)
-    .catch(() => undefined)
-  if (!agents) {
-    warning("failed to list agents. Falling back to default agent")
-    return
-  }
-  const agent = agents.find((item) => item.id === name)
-  if (!agent) {
-    warning(`agent "${name}" not found. Falling back to default agent`)
-    return
-  }
-  if (agent.mode === "subagent") {
-    warning(`agent "${name}" is a subagent, not a primary agent. Falling back to default agent`)
-    return
-  }
-  return name
-}
-
 async function prepareFile(input: string, directory: string, options: ExecutionOptions): Promise<FilePart> {
  const file = path.resolve(directory, input)
  const handle = await open(file, "r").catch(() => fail(`File not found: ${input}`))
@@ -2,10 +2,10 @@ export * as ServerProcess from "./server-process"

 import { NodeServices } from "@effect/platform-node"
 import { Service, type DiscoverOptions, type Info } from "@opencode-ai/client/effect/service"
-import { LayerNode } from "@opencode-ai/core/effect/layer-node"
-import { Global } from "@opencode-ai/core/global"
-import { InstallationVersion } from "@opencode-ai/core/installation/version"
-import { AppProcess } from "@opencode-ai/core/process"
+import { LayerNode } from "@opencode-ai/util/effect/layer-node"
+import { Global } from "@opencode-ai/util/global"
+import { OPENCODE_CHANNEL, OPENCODE_VERSION } from "./version"
+import { AppProcess } from "@opencode-ai/util/process"
 import { randomBytes, randomUUID } from "node:crypto"
 import path from "node:path"
 import { Effect, FileSystem, Logger, Option, Redacted, Schedule, Schema } from "effect"
@@ -69,13 +69,23 @@ const processEffect = Effect.fnUntraced(function* (options: Options) {
      const instanceID = randomUUID()
      const server = yield* start(
        {
-          client: process.env.OPENCODE_CLIENT ?? "cli",
+          app: {
+            name: process.env.OPENCODE_CLIENT ?? "cli",
+            version: OPENCODE_VERSION,
+            channel: OPENCODE_CHANNEL,
+          },
          hostname,
          port,
          password,
          simulation: truthy(process.env.OPENCODE_SIMULATE),
          database: {
-            path: process.env.OPENCODE_DB,
+            path:
+              process.env.OPENCODE_DB ??
+              (["latest", "beta", "prod"].includes(OPENCODE_CHANNEL) ||
+              process.env.OPENCODE_DISABLE_CHANNEL_DB === "1" ||
+              process.env.OPENCODE_DISABLE_CHANNEL_DB === "true"
+                ? "opencode.db"
+                : `opencode-${OPENCODE_CHANNEL.replace(/[^a-zA-Z0-9._-]/g, "-")}.db`),
          },
          models: {
            url: process.env.OPENCODE_MODELS_URL,
@@ -167,7 +177,7 @@ const register = Effect.fnUntraced(function* (
  yield* fs.makeDirectory(path.dirname(file), { recursive: true })
  const info = {
    id,
-    version: InstallationVersion,
+    version: OPENCODE_VERSION,
    url: HttpServer.formatAddress(address),
    pid: process.pid,
    password,
@@ -1,43 +0,0 @@
-import { ClientError, type OpenCodeClient } from "@opencode-ai/client/promise"
-
-// Location plugins initialize asynchronously, so explicit model selection must
-// wait for that exact model before prompt admission. The execution path owns
-// the authoritative error if readiness times out.
-export async function waitForCatalogReady(input: {
-  sdk: OpenCodeClient
-  directory: string
-  workspace?: string
-  model: { providerID: string; modelID: string }
-  timeoutMs?: number
-  signal?: AbortSignal
-}) {
-  const deadline = Date.now() + (input.timeoutMs ?? 5_000)
-  while (Date.now() < deadline && !input.signal?.aborted) {
-    const models = await input.sdk.model
-      .list(
-        { location: { directory: input.directory, workspace: input.workspace } },
-        { signal: input.signal },
-      )
-      .then((result) => result.data)
-      .catch((error) => {
-        if (input.signal && error instanceof ClientError && error.reason === "Transport") throw error
-        return undefined
-      })
-    if (models?.some((model) => model.providerID === input.model.providerID && model.id === input.model.modelID)) return
-    await wait(25, input.signal)
-  }
-}
-
-function wait(delay: number, signal?: AbortSignal) {
-  if (!signal) return new Promise<void>((resolve) => setTimeout(resolve, delay))
-  if (signal.aborted) return Promise.resolve()
-  return new Promise<void>((resolve) => {
-    const timer = setTimeout(done, delay)
-    signal.addEventListener("abort", done, { once: true })
-    function done() {
-      clearTimeout(timer)
-      signal?.removeEventListener("abort", done)
-      resolve()
-    }
-  })
-}
@@ -1,6 +1,6 @@
 import { Service, type Endpoint, type EnsureOptions } from "@opencode-ai/client/effect/service"
 import { ClientError, isUnauthorizedError, OpenCode } from "@opencode-ai/client/promise"
-import { InstallationVersion } from "@opencode-ai/core/installation/version"
+import { OPENCODE_VERSION } from "../version"
 import { Effect, Redacted } from "effect"
 import { Env } from "../env"
 import { ServiceConfig } from "./service-config"
@@ -32,9 +32,9 @@ export const resolve = Effect.fn("cli.server-connection.resolve")(function* (arg
      try: () => client.health.get({ signal: AbortSignal.timeout(5_000) }),
      catch: (cause) => connectError(endpoint, cause),
    })
-    if (health.version !== InstallationVersion)
+    if (health.version !== OPENCODE_VERSION)
      process.stderr.write(
-        `Warning: Server at ${endpoint.url} has version ${health.version}; this client is ${InstallationVersion}. Continuing anyway.\n`,
+        `Warning: Server at ${endpoint.url} has version ${health.version}; this client is ${OPENCODE_VERSION}. Continuing anyway.\n`,
      )
    return { endpoint } satisfies Resolved
  }
@@ -1,6 +1,6 @@
-import { Global } from "@opencode-ai/core/global"
-import { InstallationChannel, InstallationVersion } from "@opencode-ai/core/installation/version"
-import { Hash } from "@opencode-ai/core/util/hash"
+import { Global } from "@opencode-ai/util/global"
+import { OPENCODE_CHANNEL, OPENCODE_VERSION } from "../version"
+import { Hash } from "@opencode-ai/util/hash"
 import { Service } from "@opencode-ai/client/effect/service"
 import { Effect, FileSystem, Option, Schema } from "effect"
 import { randomBytes } from "crypto"
@@ -24,22 +24,26 @@ type Key = (typeof keys)[number]
 const decodeInfo = Schema.decodeUnknownEffect(Schema.fromJsonString(Info))
 const decodeRegistration = Schema.decodeUnknownEffect(Schema.fromJsonString(Service.Info))

-export function filename(channel = InstallationChannel) {
-  if (channel === "latest") return "service.json"
-  if (channel === "local") return "service-local.json"
-  return `service-${Hash.fast(channel)}.json`
+export function filename(channel = OPENCODE_CHANNEL) {
+  if (channel === "latest" || channel === "next") return "service.json"
+  return `service-${channel.replace(/[^a-zA-Z0-9._-]/g, "-")}.json`
 }

-export function defaultPort(channel = InstallationChannel) {
-  if (channel === "latest") return 0xc0de
+export function defaultPort(channel = OPENCODE_CHANNEL) {
+  if (channel === "latest" || channel === "next") return 0xc0de
  if (channel === "local") return 0xc0df
  return 10_000 + (Number.parseInt(Hash.fast(channel).slice(0, 8), 16) % 50_000)
 }

+export function legacyFilename(channel = OPENCODE_CHANNEL) {
+  if (channel === "latest" || channel === "local") return
+  return `service-${Hash.fast(channel)}.json`
+}
+
 export function versionBelongsToChannel(
  version: string | undefined,
-  channel = InstallationChannel,
-  installedVersion = InstallationVersion,
+  channel = OPENCODE_CHANNEL,
+  installedVersion = OPENCODE_VERSION,
 ) {
  if (version === undefined) return false
  if (version === installedVersion) return true
@@ -51,10 +55,9 @@ export function versionBelongsToChannel(
 export const migrateRegistration = Effect.fnUntraced(function* (
  legacy: string,
  file: string,
-  channel = InstallationChannel,
-  installedVersion = InstallationVersion,
+  channel = OPENCODE_CHANNEL,
+  installedVersion = OPENCODE_VERSION,
 ) {
-  if (channel === "latest" || channel === "local") return
  const fs = yield* FileSystem.FileSystem
  const text = yield* fs.readFileString(legacy).pipe(Effect.option)
  if (Option.isNone(text)) return
@@ -64,6 +67,14 @@ export const migrateRegistration = Effect.fnUntraced(function* (
  yield* fs.writeFileString(file, text.value, { flag: "wx", mode: 0o600 }).pipe(Effect.ignore)
 })

+export const migrateConfig = Effect.fnUntraced(function* (legacy: string, file: string) {
+  const fs = yield* FileSystem.FileSystem
+  const text = yield* fs.readFileString(legacy).pipe(Effect.option)
+  if (Option.isNone(text)) return
+  if (Option.isNone(yield* decodeInfo(text.value).pipe(Effect.option))) return
+  yield* fs.writeFileString(file, text.value, { flag: "wx", mode: 0o600 }).pipe(Effect.ignore)
+})
+
 function configKey(key: string): Key {
  if (key === "hostname" || key === "port" || key === "password") return key
  throw new Error(`Unknown service config key: ${key}`)
@@ -73,27 +84,33 @@ const paths = Effect.gen(function* () {
  const fs = yield* FileSystem.FileSystem
  const global = yield* Global.Service
  const name = filename()
+  const legacy = legacyFilename()
  const file = path.join(global.state, name)
  return {
    fs,
    file,
-    legacyFile: path.join(global.state, "service.json"),
+    legacyConfigFile: legacy ? path.join(global.config, legacy) : undefined,
+    legacyRegistrationFiles: [
+      ...(legacy ? [path.join(global.state, legacy)] : []),
+      ...(name !== "service.json" && OPENCODE_CHANNEL !== "local" ? [path.join(global.state, "service.json")] : []),
+    ],
    configFile: path.join(global.config, name),
  }
 })

 export const options = Effect.fnUntraced(function* () {
-  const { file, legacyFile } = yield* paths
-  yield* migrateRegistration(legacyFile, file)
+  const { file, legacyRegistrationFiles } = yield* paths
+  yield* Effect.forEach(legacyRegistrationFiles, (legacy) => migrateRegistration(legacy, file))
  return {
    file,
-    version: InstallationVersion,
+    version: OPENCODE_VERSION,
    command: [...selfCommand(), "serve", "--service"],
  }
 })

 export const read = Effect.fn("cli.service-config.read")(function* () {
-  const { fs, configFile } = yield* paths
+  const { fs, configFile, legacyConfigFile } = yield* paths
+  if (legacyConfigFile) yield* migrateConfig(legacyConfigFile, configFile)
  return yield* fs.readFileString(configFile).pipe(
    Effect.flatMap(decodeInfo),
    Effect.catch(() => Effect.succeed({} as Info)),
@@ -1,6 +1,6 @@
 import { Service, type Endpoint } from "@opencode-ai/client/effect/service"
-import { CrossSpawnSpawner } from "@opencode-ai/core/cross-spawn-spawner"
-import { LayerNode } from "@opencode-ai/core/effect/layer-node"
+import { CrossSpawnSpawner } from "@opencode-ai/util/cross-spawn-spawner"
+import { LayerNode } from "@opencode-ai/util/effect/layer-node"
 import { Deferred, Effect, Schema, Stream } from "effect"
 import { ChildProcess, ChildProcessSpawner } from "effect/unstable/process"
 import { randomBytes } from "node:crypto"
@@ -3,7 +3,7 @@
 // version-mismatched background service before the TUI attaches.
 import { createCliRenderer, RGBA, TextAttributes, type CliRenderer, type ThemeMode } from "@opentui/core"
 import { render, useTerminalDimensions } from "@opentui/solid"
-import { InstallationVersion } from "@opencode-ai/core/installation/version"
+import { OPENCODE_VERSION } from "../version"
 import { registerOpencodeSpinner } from "@opencode-ai/tui/component/register-spinner"
 import { SPINNER_FRAMES } from "@opencode-ai/tui/component/spinner"
 import { go } from "@opencode-ai/tui/logo"
@@ -356,12 +356,12 @@ function UpdateFooter(props: {
          ] as const)
        : []),
      ["to", colors.muted],
-      [InstallationVersion, colors.accent],
+      [OPENCODE_VERSION, colors.accent],
    )
  const completedHeader = phrase(
    ["OpenCode", colors.muted, true],
    ["updated to", colors.muted],
-    [InstallationVersion, colors.accent],
+    [OPENCODE_VERSION, colors.accent],
  )
  const pausedHeader = phrase(["OpenCode", colors.muted, true], ["update paused", colors.muted])
  const outcomeStatus = () =>
@@ -1,10 +1,6 @@
-import { Global } from "@opencode-ai/core/global"
-import { AppProcess } from "@opencode-ai/core/process"
-import {
-  InstallationChannel,
-  InstallationLocal,
-  InstallationVersion,
-} from "@opencode-ai/core/installation/version"
+import { Global } from "@opencode-ai/util/global"
+import { AppProcess } from "@opencode-ai/util/process"
+import { OPENCODE_CHANNEL, OPENCODE_LOCAL, OPENCODE_VERSION } from "../version"
 import { Context, Duration, Effect, FileSystem, Layer } from "effect"
 import { ChildProcess } from "effect/unstable/process"
 import { parse, type ParseError } from "jsonc-parser"
@@ -52,7 +48,7 @@ export const layer = Layer.effect(
    const fs = yield* FileSystem.FileSystem
    const global = yield* Global.Service
    const appProcess = yield* AppProcess.Service
-    const channel = InstallationChannel.replace(/[^a-zA-Z0-9._-]/g, "-")
+    const channel = OPENCODE_CHANNEL.replace(/[^a-zA-Z0-9._-]/g, "-")

    const readPolicy = Effect.fnUntraced(function* () {
      const values = yield* Effect.forEach(["config.json", "opencode.json", "opencode.jsonc"], (name) =>
@@ -99,8 +95,8 @@ export const layer = Layer.effect(
      const response = yield* Effect.tryPromise({
        try: () =>
          fetch(
-            `https://registry.npmjs.org/${encodeURIComponent(packageName)}/${encodeURIComponent(InstallationChannel)}`,
-            { headers: { "User-Agent": `opencode/${InstallationVersion}` }, signal: AbortSignal.timeout(10_000) },
+            `https://update.opencode.ai/api/${encodeURIComponent(channel)}/cli/npm`,
+            { headers: { "User-Agent": `opencode/${OPENCODE_VERSION}` }, signal: AbortSignal.timeout(10_000) },
          ),
        catch: (cause) => new Error("Failed to check for updates", { cause }),
      })
@@ -138,13 +134,13 @@ export const layer = Layer.effect(

    const check = Effect.fn("cli.updater.check")(function* () {
      if (
-        InstallationLocal ||
+        OPENCODE_LOCAL ||
        ["1", "true"].includes(process.env.OPENCODE_DISABLE_AUTOUPDATE?.toLowerCase() ?? "")
      )
        return yield* Effect.logInfo("update check skipped", {
-          reason: InstallationLocal ? "local-install" : "disabled",
-          version: InstallationVersion,
-          channel: InstallationChannel,
+          reason: OPENCODE_LOCAL ? "local-install" : "disabled",
+          version: OPENCODE_VERSION,
+          channel: OPENCODE_CHANNEL,
        })
      const policy = yield* readPolicy()
      if (policy === false) return yield* Effect.logInfo("update check skipped", { reason: "policy-disabled" })
@@ -152,15 +148,15 @@ export const layer = Layer.effect(
      return yield* Effect.gen(function* () {
        const version = yield* latest()
        yield* Effect.logInfo("update check", {
-          current: InstallationVersion,
+          current: OPENCODE_VERSION,
          latest: version,
        })
-        const next = action(InstallationVersion, version, policy)
+        const next = action(OPENCODE_VERSION, version, policy)
        if (next === "none") return yield* Effect.logInfo("update check done", { action: "up-to-date" })
        const detected = yield* method()
        if (!detected) return yield* Effect.logWarning("automatic update skipped: installation method not found")
        yield* upgrade(detected, version)
-        yield* Effect.logInfo("updated OpenCode", { from: InstallationVersion, to: version, method: detected })
+        yield* Effect.logInfo("updated OpenCode", { from: OPENCODE_VERSION, to: version, method: detected })
      })
    }, Effect.catchCause((cause) => Effect.logWarning("automatic update failed", { cause })))

@@ -74,7 +74,7 @@ export async function resolveSessionTarget(input: {
    session,
    location,
    model: prepared.model,
-    agent: prepared.agent,
+    agent: prepared.agent ?? session.agent,
    resume: selected !== undefined,
  }
 }
@@ -0,0 +1,8 @@
+declare const OPENCODE_VERSION: string
+declare const OPENCODE_CHANNEL: string
+
+const version = typeof OPENCODE_VERSION === "string" ? OPENCODE_VERSION : "local"
+const channel = typeof OPENCODE_CHANNEL === "string" ? OPENCODE_CHANNEL : "local"
+
+export { version as OPENCODE_VERSION, channel as OPENCODE_CHANNEL }
+export const OPENCODE_LOCAL = channel === "local"
@@ -0,0 +1,107 @@
+import { afterEach, describe, expect, test } from "bun:test"
+import path from "node:path"
+
+type Message = { readonly id?: number; readonly result?: unknown; readonly error?: unknown }
+const children: Bun.Subprocess[] = []
+
+afterEach(async () => {
+  await Promise.all(
+    children.splice(0).map(async (child) => {
+      child.kill("SIGKILL")
+      await child.exited
+    }),
+  )
+})
+
+describe("acp command", () => {
+  test("is registered", async () => {
+    const result = await cli(["--help"])
+    expect(result.exitCode).toBe(0)
+    expect(result.stdout).toContain("acp        Start an Agent Client Protocol server")
+  })
+
+  test("initializes over ndjson and exits on stdin eof", async () => {
+    const child = spawn()
+    const stderr = new Response(child.stderr).text()
+    await child.stdin.write(
+      new TextEncoder().encode(
+        JSON.stringify({
+          jsonrpc: "2.0",
+          id: 1,
+          method: "initialize",
+          params: {
+            protocolVersion: 1,
+            clientCapabilities: {},
+            clientInfo: { name: "test", version: "1.0.0" },
+          },
+        }) + "\n",
+      ),
+    )
+    await child.stdin.flush()
+    const response = await readMessage(child.stdout)
+    expect(response.id).toBe(1)
+    expect(response.error).toBeUndefined()
+    expect(response.result).toMatchObject({
+      protocolVersion: 1,
+      agentCapabilities: { loadSession: true },
+      agentInfo: { name: "OpenCode" },
+    })
+
+    await child.stdin.end()
+    const exitCode = await child.exited
+    const errorOutput = await stderr
+    if (exitCode !== 0) throw new Error(`ACP exited with ${exitCode}: ${errorOutput}`)
+    children.splice(children.indexOf(child), 1)
+  }, 30_000)
+})
+
+function spawn() {
+  const child = Bun.spawn([process.execPath, "run", "src/index.ts", "acp"], {
+    cwd: path.join(import.meta.dir, "../.."),
+    stdin: "pipe",
+    stdout: "pipe",
+    stderr: "pipe",
+  })
+  children.push(child)
+  return child
+}
+
+async function readMessage(stream: ReadableStream<Uint8Array>) {
+  const reader = stream.getReader()
+  const decoder = new TextDecoder()
+  let output = ""
+  while (true) {
+    const result = await Promise.race([
+      reader.read(),
+      Bun.sleep(20_000).then(() => {
+        throw new Error("timed out waiting for ACP response")
+      }),
+    ])
+    if (result.done) throw new Error(`ACP exited before responding: ${output}`)
+    output += decoder.decode(result.value, { stream: true })
+    const newline = output.indexOf("\n")
+    if (newline === -1) continue
+    reader.releaseLock()
+    const message: unknown = JSON.parse(output.slice(0, newline))
+    if (!isMessage(message)) throw new Error(`invalid ACP response: ${output.slice(0, newline)}`)
+    return message
+  }
+}
+
+function isMessage(value: unknown): value is Message {
+  return typeof value === "object" && value !== null
+}
+
+async function cli(args: string[]) {
+  const child = Bun.spawn([process.execPath, "run", "src/index.ts", ...args], {
+    cwd: path.join(import.meta.dir, "../.."),
+    stdout: "pipe",
+    stderr: "pipe",
+  })
+  const [stdout, stderr, exitCode] = await Promise.all([
+    new Response(child.stdout).text(),
+    new Response(child.stderr).text(),
+    child.exited,
+  ])
+  return { stdout, stderr, exitCode }
+}
@@ -0,0 +1,151 @@
+import { describe, expect, test } from "bun:test"
+import {
+  buildConfigOptions,
+  buildEffortSelectOption,
+  buildModeSelectOption,
+  buildModelSelectOption,
+  formatVariantName,
+  parseModelSelection,
+  type ConfigOptionProvider,
+} from "../../src/acp/config-option"
+
+const providers: ConfigOptionProvider[] = [
+  {
+    id: "anthropic",
+    name: "Anthropic",
+    models: [
+      { id: "claude/sonnet-4", name: "Claude Sonnet 4", variants: ["default", "high", "very-high"] },
+      { id: "claude-haiku", name: "Claude Haiku" },
+    ],
+  },
+  { id: "openai", name: "OpenAI", models: [{ id: "gpt-5", name: "GPT-5", variants: ["minimal", "low"] }] },
+]
+
+describe("acp config options", () => {
+  test("builds the model select option with ACP verifier category", () => {
+    expect(
+      buildModelSelectOption({
+        providers,
+        currentModel: { providerID: "anthropic", modelID: "claude/sonnet-4" },
+      }),
+    ).toEqual({
+      id: "model",
+      name: "Model",
+      category: "model",
+      type: "select",
+      currentValue: "anthropic/claude/sonnet-4",
+      options: [
+        { value: "anthropic/claude-haiku", name: "Anthropic/Claude Haiku" },
+        { value: "anthropic/claude/sonnet-4", name: "Anthropic/Claude Sonnet 4" },
+        { value: "openai/gpt-5", name: "OpenAI/GPT-5" },
+      ],
+    })
+  })
+
+  test("builds effort option from variants and falls back to default when current variant is invalid", () => {
+    expect(buildEffortSelectOption({ variants: ["low", "default", "high"], currentVariant: "missing" })).toEqual({
+      id: "effort",
+      name: "Effort",
+      description: "Available effort levels for this model",
+      category: "thought_level",
+      type: "select",
+      currentValue: "default",
+      options: [
+        { value: "low", name: "Low" },
+        { value: "default", name: "Default" },
+        { value: "high", name: "High" },
+      ],
+    })
+  })
+
+  test("effort fallback uses the first variant when default is absent", () => {
+    expect(buildEffortSelectOption({ variants: ["minimal", "low"], currentVariant: "missing" }).currentValue).toBe(
+      "minimal",
+    )
+  })
+
+  test("builds the mode select option with descriptions when present", () => {
+    expect(
+      buildModeSelectOption({
+        currentModeId: "build",
+        modes: [
+          { id: "build", name: "Build", description: "Make code changes" },
+          { id: "plan", name: "Plan" },
+        ],
+      }),
+    ).toEqual({
+      id: "mode",
+      name: "Session Mode",
+      category: "mode",
+      type: "select",
+      currentValue: "build",
+      options: [
+        { value: "build", name: "Build", description: "Make code changes" },
+        { value: "plan", name: "Plan" },
+      ],
+    })
+  })
+
+  test("builds full config options with model, effort, and mode in stable order", () => {
+    const options = buildConfigOptions({
+      providers,
+      currentModel: { providerID: "anthropic", modelID: "claude/sonnet-4" },
+      currentVariant: "very-high",
+      modes: [
+        { id: "build", name: "Build" },
+        { id: "plan", name: "Plan" },
+      ],
+      currentModeId: "plan",
+    })
+
+    expect(options.map((option) => option.id)).toEqual(["model", "effort", "mode"])
+    expect(options.map((option) => option.category)).toEqual(["model", "thought_level", "mode"])
+    expect(options[0]?.currentValue).toBe("anthropic/claude/sonnet-4")
+    expect(options[1]?.currentValue).toBe("very-high")
+  })
+
+  test("full config options omit effort for models without variants", () => {
+    expect(
+      buildConfigOptions({
+        providers,
+        currentModel: { providerID: "anthropic", modelID: "claude-haiku" },
+      }).map((option) => option.id),
+    ).toEqual(["model"])
+  })
+
+  test("parses provider/model selections", () => {
+    expect(parseModelSelection("openai/gpt-5", providers)).toEqual({
+      model: { providerID: "openai", modelID: "gpt-5" },
+    })
+  })
+
+  test("parses provider/model/variant selections when the base model exposes that variant", () => {
+    expect(parseModelSelection("openai/gpt-5/low", providers)).toEqual({
+      model: { providerID: "openai", modelID: "gpt-5" },
+      variant: "low",
+    })
+  })
+
+  test("prefers exact slash-containing model ids before treating the tail as a variant", () => {
+    expect(parseModelSelection("anthropic/claude/sonnet-4", providers)).toEqual({
+      model: { providerID: "anthropic", modelID: "claude/sonnet-4" },
+    })
+  })
+
+  test("parses trailing variants for slash-containing model ids", () => {
+    expect(parseModelSelection("anthropic/claude/sonnet-4/high", providers)).toEqual({
+      model: { providerID: "anthropic", modelID: "claude/sonnet-4" },
+      variant: "high",
+    })
+  })
+
+  test("keeps unknown trailing segments in the model id when they are not valid variants", () => {
+    expect(parseModelSelection("anthropic/claude/sonnet-4/missing", providers)).toEqual({
+      model: { providerID: "anthropic", modelID: "claude/sonnet-4/missing" },
+    })
+  })
+
+  test("formats variant names for display", () => {
+    expect(formatVariantName("very_high-effort")).toBe("Very High Effort")
+  })
+})
@@ -0,0 +1,74 @@
+import type { SetSessionConfigOptionResponse } from "@agentclientprotocol/sdk"
+import { describe, expect, test } from "bun:test"
+import {
+  alternateValue,
+  createAcpFixture,
+  expectOk,
+  flattenSelectOptions,
+  initialize,
+  newSession,
+  requireSelectOption,
+  selectConfigOption,
+} from "./subprocess"
+
+describe("acp config option subprocess", () => {
+  test('model option is listed with category "model"', async () => {
+    await using fixture = await createAcpFixture()
+    const acp = fixture.spawn()
+    await initialize(acp)
+    const model = requireSelectOption((await newSession(acp, fixture.home)).configOptions, "model")
+
+    expect(model.category).toBe("model")
+    expect(model.currentValue).toBe("test/test-model")
+    expect(flattenSelectOptions(model).length).toBeGreaterThanOrEqual(2)
+  }, 60_000)
+
+  test("model switch updates currentValue", async () => {
+    await using fixture = await createAcpFixture()
+    const acp = fixture.spawn()
+    await initialize(acp)
+    const session = await newSession(acp, fixture.home)
+    const model = requireSelectOption(session.configOptions, "model")
+    const nextModel = flattenSelectOptions(model).find((option) => option.value === "test/second-model")?.value
+    expect(nextModel).toBe("test/second-model")
+
+    const updated = expectOk(
+      await acp.request<SetSessionConfigOptionResponse>("session/set_config_option", {
+        sessionId: session.sessionId,
+        configId: "model",
+        value: nextModel,
+      }),
+    )
+
+    expect(selectConfigOption(updated.configOptions, "model")?.currentValue).toBe(nextModel)
+  }, 60_000)
+
+  test('effort option is listed with category "thought_level" when selected model supports variants', async () => {
+    await using fixture = await createAcpFixture()
+    const acp = fixture.spawn()
+    await initialize(acp)
+    const effort = requireSelectOption((await newSession(acp, fixture.home)).configOptions, "effort")
+
+    expect(effort.category).toBe("thought_level")
+    expect(effort.currentValue).toBe("low")
+    expect(flattenSelectOptions(effort).map((option) => option.value)).toEqual(["low", "high"])
+  }, 60_000)
+
+  test("effort switch updates currentValue", async () => {
+    await using fixture = await createAcpFixture()
+    const acp = fixture.spawn()
+    await initialize(acp)
+    const session = await newSession(acp, fixture.home)
+    const nextEffort = alternateValue(requireSelectOption(session.configOptions, "effort"))
+
+    const updated = expectOk(
+      await acp.request<SetSessionConfigOptionResponse>("session/set_config_option", {
+        sessionId: session.sessionId,
+        configId: "effort",
+        value: nextEffort,
+      }),
+    )
+
+    expect(selectConfigOption(updated.configOptions, "effort")?.currentValue).toBe(nextEffort)
+  }, 60_000)
+})
@@ -0,0 +1,239 @@
+import { describe, expect, test } from "bun:test"
+import { pathToFileURL } from "node:url"
+import { contentBlockToParts, partsToContentChunks, promptContentToParts } from "../../src/acp/content"
+
+describe("acp content conversion", () => {
+  test("plain text block becomes a text part", () => {
+    expect(contentBlockToParts({ type: "text", text: "hello" })).toEqual([{ type: "text", text: "hello" }])
+  })
+
+  test("assistant-only text audience becomes synthetic", () => {
+    expect(
+      contentBlockToParts({
+        type: "text",
+        text: "internal",
+        annotations: { audience: ["assistant"] },
+      }),
+    ).toEqual([{ type: "text", text: "internal", synthetic: true }])
+  })
+
+  test("user-only text audience becomes ignored", () => {
+    expect(
+      contentBlockToParts({
+        type: "text",
+        text: "visible to user",
+        annotations: { audience: ["user"] },
+      }),
+    ).toEqual([{ type: "text", text: "visible to user", ignored: true }])
+  })
+
+  test("image block with base64 data becomes a data URL file part", () => {
+    expect(
+      contentBlockToParts({
+        type: "image",
+        data: "AAAA",
+        mimeType: "image/png",
+        uri: "file:///tmp/screenshot.png",
+      }),
+    ).toEqual([
+      {
+        type: "file",
+        url: "data:image/png;base64,AAAA",
+        filename: "screenshot.png",
+        mime: "image/png",
+      },
+    ])
+  })
+
+  test("image block with http URI becomes a file part", () => {
+    expect(
+      contentBlockToParts({
+        type: "image",
+        data: "",
+        mimeType: "image/jpeg",
+        uri: "http://example.com/assets/photo.jpg",
+      }),
+    ).toEqual([
+      {
+        type: "file",
+        url: "http://example.com/assets/photo.jpg",
+        filename: "photo.jpg",
+        mime: "image/jpeg",
+      },
+    ])
+  })
+
+  test("resource_link file URL becomes a file part with name and fallback mime", () => {
+    expect(
+      contentBlockToParts({
+        type: "resource_link",
+        uri: "file:///tmp/notes.txt",
+        name: "client-notes.txt",
+      }),
+    ).toEqual([
+      {
+        type: "file",
+        url: "file:///tmp/notes.txt",
+        filename: "client-notes.txt",
+        mime: "text/plain",
+      },
+    ])
+  })
+
+  test("resource_link zed path becomes a file URL part", () => {
+    expect(
+      contentBlockToParts({
+        type: "resource_link",
+        uri: "zed://workspace?path=/tmp/project/src/app.ts",
+        name: "app.ts",
+        mimeType: "text/typescript",
+      }),
+    ).toEqual([
+      {
+        type: "file",
+        url: pathToFileURL("/tmp/project/src/app.ts").href,
+        filename: "app.ts",
+        mime: "text/typescript",
+      },
+    ])
+  })
+
+  test("resource with text becomes a sourced text part", () => {
+    const result = contentBlockToParts({
+      type: "resource",
+      resource: {
+        uri: "file:///tmp/context.txt#L12-L14",
+        mimeType: "text/plain",
+        text: "context",
+      },
+    })
+    expect(result).toHaveLength(1)
+    expect(result[0]?.type).toBe("text")
+    if (result[0]?.type === "text") {
+      expect(result[0].text.endsWith("\ncontext")).toBe(true)
+      expect(result[0].text.includes("context.txt")).toBe(true)
+      expect(result[0].text.includes("12")).toBe(true)
+    }
+  })
+
+  test("resource with text uses URI fallback for non-file resources", () => {
+    expect(
+      contentBlockToParts({
+        type: "resource",
+        resource: {
+          uri: "mcp://server/context",
+          text: "context",
+        },
+      }),
+    ).toEqual([{ type: "text", text: "[mcp://server/context]\ncontext" }])
+  })
+
+  test("resource with text includes file path", () => {
+    const result = contentBlockToParts({
+      type: "resource",
+      resource: {
+        uri: "file:///tmp/context.txt",
+        mimeType: "text/plain",
+        text: "context",
+      },
+    })
+    expect(result).toHaveLength(1)
+    expect(result[0]?.type).toBe("text")
+    if (result[0]?.type === "text") {
+      expect(result[0].text.endsWith("\ncontext")).toBe(true)
+      expect(result[0].text.includes("context.txt")).toBe(true)
+    }
+  })
+
+  test("resource with blob and mimeType becomes a data URL file part", () => {
+    expect(
+      contentBlockToParts({
+        type: "resource",
+        resource: {
+          uri: "file:///tmp/report.pdf",
+          mimeType: "application/pdf",
+          blob: "JVBERg==",
+        },
+      }),
+    ).toEqual([
+      {
+        type: "file",
+        url: "data:application/pdf;base64,JVBERg==",
+        filename: "report.pdf",
+        mime: "application/pdf",
+      },
+    ])
+  })
+
+  test("data URL resource is preserved as a file part", () => {
+    expect(
+      contentBlockToParts({
+        type: "resource",
+        resource: {
+          uri: "data:text/plain;base64,aGVsbG8=",
+          mimeType: "text/plain",
+          blob: "ignored",
+        },
+      }),
+    ).toEqual([
+      {
+        type: "file",
+        url: "data:text/plain;base64,aGVsbG8=",
+        filename: "file",
+        mime: "text/plain",
+      },
+    ])
+  })
+
+  test("unsupported blocks are ignored", () => {
+    expect(promptContentToParts([{ type: "audio", data: "AAAA", mimeType: "audio/wav" }])).toEqual([])
+    expect(
+      promptContentToParts([
+        // @ts-expect-error Exercise forward compatibility with an unknown ACP content block.
+        { type: "unknown", text: "skip" },
+      ]),
+    ).toEqual([])
+  })
+})
+
+describe("acp replay conversion", () => {
+  test("replays text audience annotations", () => {
+    expect(partsToContentChunks([{ type: "text", text: "cached", synthetic: true }])).toEqual([
+      {
+        content: {
+          type: "text",
+          text: "cached",
+          annotations: { audience: ["assistant"] },
+        },
+      },
+    ])
+  })
+
+  test("replays file and data URL parts as ACP content", () => {
+    expect(
+      partsToContentChunks([
+        { type: "file", url: "file:///tmp/readme.md", filename: "readme.md", mime: "text/markdown" },
+        { type: "file", url: "data:text/plain;base64,aGVsbG8=", filename: "note.txt", mime: "text/plain" },
+      ]),
+    ).toEqual([
+      {
+        content: {
+          type: "resource_link",
+          uri: "file:///tmp/readme.md",
+          name: "readme.md",
+          mimeType: "text/markdown",
+        },
+      },
+      {
+        content: {
+          type: "resource",
+          resource: {
+            uri: pathToFileURL("note.txt").href,
+            mimeType: "text/plain",
+            text: "hello",
+          },
+        },
+      },
+    ])
+  })
+})
@@ -0,0 +1,60 @@
+import { describe, expect, test } from "bun:test"
+import { RequestError } from "@agentclientprotocol/sdk"
+import { ACPError } from "../../src/acp/error"
+
+describe("acp errors", () => {
+  test("maps validation failures to invalid params", () => {
+    const cases: ACPError.Error[] = [
+      new ACPError.SessionNotFoundError({ sessionId: "ses_missing" }),
+      new ACPError.InvalidConfigOptionError({ configId: "temperature" }),
+      new ACPError.InvalidModelError({ providerId: "anthropic", modelId: "claude-missing" }),
+      new ACPError.InvalidEffortError({ effort: "extreme" }),
+      new ACPError.InvalidModeError({ mode: "turbo" }),
+    ]
+
+    expect(cases.map((error) => ACPError.toRequestError(error).code)).toEqual([-32602, -32602, -32602, -32602, -32602])
+  })
+
+  test("includes safe validation details", () => {
+    expect(ACPError.toRequestError(new ACPError.SessionNotFoundError({ sessionId: "ses_123" }))).toMatchObject({
+      code: -32602,
+      data: { sessionId: "ses_123" },
+    })
+    expect(ACPError.toRequestError(new ACPError.InvalidModelError({ modelId: "gpt-missing" }))).toMatchObject({
+      code: -32602,
+      data: { modelId: "gpt-missing" },
+    })
+  })
+
+  test("maps auth required to the SDK auth error", () => {
+    const requestError = ACPError.toRequestError(new ACPError.AuthRequiredError())
+
+    expect(requestError).toBeInstanceOf(RequestError)
+    expect(requestError.code).toBe(-32000)
+    expect(requestError.message).toBe("Authentication required: provider authentication required")
+    expect(requestError.data).toEqual({})
+  })
+
+  test("maps service failures to safe internal errors", () => {
+    const requestError = ACPError.toRequestError(
+      new ACPError.ServiceFailureError({ service: "provider", safeMessage: "Provider request failed" }),
+    )
+
+    expect(requestError.code).toBe(-32603)
+    expect(requestError.message).toBe("Internal error: Provider request failed")
+    expect(requestError.data).toEqual({ service: "provider" })
+  })
+
+  test("wraps unknown defects without leaking raw details", () => {
+    const requestError = ACPError.toRequestError(
+      ACPError.fromUnknown(new Error("stack has sk-ant-secret and oauth refresh token")),
+    )
+    const serialized = JSON.stringify(requestError.toErrorResponse())
+
+    expect(requestError.code).toBe(-32603)
+    expect(requestError.message).toBe("Internal error: Internal service failure")
+    expect(serialized).not.toContain("sk-ant-secret")
+    expect(serialized).not.toContain("oauth refresh token")
+    expect(serialized).not.toContain("stack")
+  })
+})
@@ -0,0 +1,686 @@
+import { describe, expect, test } from "bun:test"
+import type { AgentSideConnection } from "@agentclientprotocol/sdk"
+import type { SessionMessageInfo } from "@opencode-ai/client/promise"
+import { resolve } from "node:path"
+import { replayMessages, streamTurn, type TurnControl } from "../../src/acp/event"
+import { createSseFixture, durableEvent, ephemeralEvent, withTimeout } from "./sse-fixture"
+
+type SessionUpdateParams = Parameters<AgentSideConnection["sessionUpdate"]>[0]
+type Connection = Pick<AgentSideConnection, "sessionUpdate" | "requestPermission">
+type Fixture = ReturnType<typeof createSseFixture>
+
+describe("acp event behavior", () => {
+  test("subscribes before admission and isolates sessions and input IDs", async () => {
+    const updates: SessionUpdateParams[] = []
+    const fixture = createSseFixture({
+      onPrompt({ id, send }) {
+        send(
+          ephemeralEvent("session.text.delta", {
+            sessionID: "ses_a",
+            assistantMessageID: "msg_before",
+            ordinal: 0,
+            delta: "before admission",
+          }),
+        )
+        send(durableEvent("session.input.promoted", { sessionID: "ses_b", inputID: id }))
+        send(durableEvent("session.input.promoted", { sessionID: "ses_a", inputID: "input_other" }))
+        send(
+          ephemeralEvent("session.text.delta", {
+            sessionID: "ses_a",
+            assistantMessageID: "msg_wrong_input",
+            ordinal: 0,
+            delta: "wrong input",
+          }),
+        )
+        send(durableEvent("session.input.promoted", { sessionID: "ses_a", inputID: id }))
+        send(
+          ephemeralEvent("session.text.delta", {
+            sessionID: "ses_b",
+            assistantMessageID: "msg_b",
+            ordinal: 0,
+            delta: "other session",
+          }),
+        )
+        send(
+          ephemeralEvent("session.text.delta", {
+            sessionID: "ses_a",
+            assistantMessageID: "msg_a",
+            ordinal: 0,
+            delta: "accepted",
+          }),
+        )
+        send(
+          durableEvent("session.step.ended", {
+            sessionID: "ses_a",
+            assistantMessageID: "msg_a",
+            finish: "stop",
+            cost: 0,
+            tokens: tokens(),
+          }),
+        )
+        send(durableEvent("session.execution.succeeded", { sessionID: "ses_b" }))
+        send(durableEvent("session.execution.succeeded", { sessionID: "ses_a" }))
+      },
+    })
+
+    try {
+      const response = await turn({
+        fixture,
+        connection: recordingConnection(updates),
+        sessionID: "ses_a",
+        inputID: "input_a",
+      })
+
+      expect(fixture.requests.slice(0, 2).map((request) => request.path)).toEqual([
+        "/api/event",
+        "/api/session/ses_a/prompt",
+      ])
+      expect(updates).toEqual([
+        {
+          sessionId: "ses_a",
+          update: {
+            sessionUpdate: "agent_message_chunk",
+            messageId: "msg_a",
+            content: { type: "text", text: "accepted" },
+          },
+        },
+      ])
+      expect(response.stopReason).toBe("end_turn")
+    } finally {
+      await fixture.stop()
+    }
+  })
+
+  test("preserves text and reasoning order before returning the terminal response", async () => {
+    const firstUpdate = Promise.withResolvers<void>()
+    const releaseUpdate = Promise.withResolvers<void>()
+    const allUpdates = Promise.withResolvers<void>()
+    const releaseSubmit = Promise.withResolvers<void>()
+    const updates: SessionUpdateParams[] = []
+    const fixture = createSseFixture({
+      async onPrompt({ id, send }) {
+        send(durableEvent("session.input.promoted", { sessionID: "ses_order", inputID: id }))
+        send(
+          ephemeralEvent("session.reasoning.delta", {
+            sessionID: "ses_order",
+            assistantMessageID: "msg_order",
+            ordinal: 0,
+            delta: "think-1",
+          }),
+        )
+        send(
+          ephemeralEvent("session.text.delta", {
+            sessionID: "ses_order",
+            assistantMessageID: "msg_order",
+            ordinal: 1,
+            delta: "answer",
+          }),
+        )
+        send(
+          ephemeralEvent("session.reasoning.delta", {
+            sessionID: "ses_order",
+            assistantMessageID: "msg_order",
+            ordinal: 2,
+            delta: "think-2",
+          }),
+        )
+        send(
+          durableEvent("session.step.ended", {
+            sessionID: "ses_order",
+            assistantMessageID: "msg_order",
+            finish: "stop",
+            cost: 0,
+            tokens: tokens(),
+          }),
+        )
+        send(durableEvent("session.execution.succeeded", { sessionID: "ses_order" }))
+        await releaseSubmit.promise
+      },
+    })
+    const connection = {
+      sessionUpdate: async (update) => {
+        updates.push(update)
+        if (updates.length === 1) {
+          firstUpdate.resolve()
+          await releaseUpdate.promise
+        }
+        if (updates.length === 3) allUpdates.resolve()
+      },
+      requestPermission: async () => ({ outcome: { outcome: "cancelled" } }),
+    } satisfies Connection
+    const result = turn({ fixture, connection, sessionID: "ses_order", inputID: "input_order" })
+
+    try {
+      await withTimeout(firstUpdate.promise, "first ordered update was not delivered")
+      expect(updates).toHaveLength(1)
+      expect(fixture.requests.some((request) => request.path.includes("/message/"))).toBe(false)
+
+      releaseUpdate.resolve()
+      await withTimeout(allUpdates.promise, "ordered updates did not finish")
+      expect(await Promise.race([result.then(() => "resolved"), Promise.resolve("pending")])).toBe("pending")
+      expect(fixture.requests.some((request) => request.path.includes("/message/"))).toBe(false)
+
+      releaseSubmit.resolve()
+      const response = await withTimeout(result, "turn did not resolve after admission returned")
+
+      expect(
+        updates.map((item) => {
+          if (
+            item.update.sessionUpdate === "agent_message_chunk" ||
+            item.update.sessionUpdate === "agent_thought_chunk"
+          ) {
+            return [
+              item.update.sessionUpdate,
+              item.update.content.type === "text" ? item.update.content.text : undefined,
+            ]
+          }
+          return [item.update.sessionUpdate, undefined]
+        }),
+      ).toEqual([
+        ["agent_thought_chunk", "think-1"],
+        ["agent_message_chunk", "answer"],
+        ["agent_thought_chunk", "think-2"],
+      ])
+      expect(fixture.requests.at(-1)?.path).toBe("/api/session/ses_order/message/msg_order")
+      expect(response).toMatchObject({ stopReason: "end_turn", usage: { totalTokens: 2 } })
+    } finally {
+      releaseUpdate.resolve()
+      releaseSubmit.resolve()
+      await result.catch(() => undefined)
+      await fixture.stop()
+    }
+  })
+
+  test("streams tool pending, progress, success, and failure updates", async () => {
+    const updates: SessionUpdateParams[] = []
+    const fixture = createSseFixture({
+      onPrompt({ id, send }) {
+        send(durableEvent("session.input.promoted", { sessionID: "ses_tools", inputID: id }))
+        send(
+          durableEvent("session.tool.input.started", {
+            sessionID: "ses_tools",
+            assistantMessageID: "msg_tools",
+            callID: "call_ok",
+            name: "shell",
+          }),
+        )
+        send(
+          durableEvent("session.tool.called", {
+            sessionID: "ses_tools",
+            assistantMessageID: "msg_tools",
+            callID: "call_ok",
+            input: { command: "printf done", workdir: "sub" },
+            executed: false,
+          }),
+        )
+        send(
+          ephemeralEvent("session.tool.progress", {
+            sessionID: "ses_tools",
+            assistantMessageID: "msg_tools",
+            callID: "call_ok",
+            structured: { phase: 1 },
+            content: [{ type: "text", text: "working" }],
+          }),
+        )
+        send(
+          durableEvent("session.tool.success", {
+            sessionID: "ses_tools",
+            assistantMessageID: "msg_tools",
+            callID: "call_ok",
+            structured: { exit: 0 },
+            content: [{ type: "text", text: "done" }],
+            result: { code: 0 },
+            executed: true,
+          }),
+        )
+        send(
+          durableEvent("session.tool.input.started", {
+            sessionID: "ses_tools",
+            assistantMessageID: "msg_tools",
+            callID: "call_fail",
+            name: "read",
+          }),
+        )
+        send(
+          durableEvent("session.tool.called", {
+            sessionID: "ses_tools",
+            assistantMessageID: "msg_tools",
+            callID: "call_fail",
+            input: { filePath: "/workspace/missing.ts" },
+            executed: false,
+          }),
+        )
+        send(
+          ephemeralEvent("session.tool.progress", {
+            sessionID: "ses_tools",
+            assistantMessageID: "msg_tools",
+            callID: "call_fail",
+            structured: { bytes: 0 },
+            content: [{ type: "text", text: "opening" }],
+          }),
+        )
+        send(
+          durableEvent("session.tool.failed", {
+            sessionID: "ses_tools",
+            assistantMessageID: "msg_tools",
+            callID: "call_fail",
+            error: { type: "tool.error", message: "not found" },
+            metadata: { bytes: 0 },
+            content: [{ type: "text", text: "opening" }],
+            executed: true,
+          }),
+        )
+        send(
+          durableEvent("session.step.ended", {
+            sessionID: "ses_tools",
+            assistantMessageID: "msg_tools",
+            finish: "stop",
+            cost: 0,
+            tokens: tokens(),
+          }),
+        )
+        send(durableEvent("session.execution.succeeded", { sessionID: "ses_tools" }))
+      },
+    })
+
+    try {
+      const response = await turn({
+        fixture,
+        connection: recordingConnection(updates),
+        sessionID: "ses_tools",
+        inputID: "input_tools",
+      })
+
+      expect(
+        updates.map((item) => [
+          item.update.sessionUpdate,
+          "status" in item.update ? item.update.status : undefined,
+          "toolCallId" in item.update ? item.update.toolCallId : undefined,
+        ]),
+      ).toEqual([
+        ["tool_call", "pending", "call_ok"],
+        ["tool_call_update", "in_progress", "call_ok"],
+        ["tool_call_update", "in_progress", "call_ok"],
+        ["tool_call_update", "completed", "call_ok"],
+        ["tool_call", "pending", "call_fail"],
+        ["tool_call_update", "in_progress", "call_fail"],
+        ["tool_call_update", "in_progress", "call_fail"],
+        ["tool_call_update", "failed", "call_fail"],
+      ])
+      expect(updates[1]?.update).toMatchObject({
+        title: "printf done",
+        kind: "execute",
+        locations: [{ path: resolve("/workspace", "sub") }],
+        rawInput: { command: "printf done", workdir: "sub" },
+      })
+      expect(updates[2]?.update).toMatchObject({
+        content: [{ type: "content", content: { type: "text", text: "working" } }],
+      })
+      expect(updates[3]?.update).toMatchObject({
+        content: [{ type: "content", content: { type: "text", text: "done" } }],
+        rawOutput: { structured: { exit: 0 }, result: { code: 0 } },
+      })
+      expect(updates[7]?.update).toMatchObject({
+        kind: "read",
+        locations: [{ path: "/workspace/missing.ts" }],
+        content: [
+          { type: "content", content: { type: "text", text: "opening" } },
+          { type: "content", content: { type: "text", text: "not found" } },
+        ],
+        rawOutput: { structured: { bytes: 0 }, error: "not found" },
+      })
+      expect(response.stopReason).toBe("end_turn")
+    } finally {
+      await fixture.stop()
+    }
+  })
+
+  test("replays user, text, reasoning, and tool messages in order", async () => {
+    const updates: SessionUpdateParams[] = []
+    const messages = replayFixtureMessages()
+    const connection = {
+      sessionUpdate: async (update) => {
+        updates.push(update)
+      },
+    } satisfies Pick<AgentSideConnection, "sessionUpdate">
+
+    await replayMessages(connection, "ses_replay", "/workspace", messages)
+
+    expect(updates.every((update) => update.sessionId === "ses_replay")).toBe(true)
+    expect(updates.map((item) => item.update.sessionUpdate)).toEqual([
+      "user_message_chunk",
+      "user_message_chunk",
+      "user_message_chunk",
+      "agent_message_chunk",
+      "agent_thought_chunk",
+      "tool_call",
+      "tool_call_update",
+      "tool_call",
+      "tool_call_update",
+      "tool_call",
+      "tool_call_update",
+      "tool_call",
+    ])
+    expect(updates[1]?.update).toMatchObject({
+      content: {
+        type: "resource_link",
+        uri: "file:///workspace/note.md",
+        name: "note.md",
+        mimeType: "text/markdown",
+      },
+    })
+    expect(updates[2]?.update).toMatchObject({
+      content: { type: "resource", resource: { mimeType: "text/plain", text: "hello" } },
+    })
+    expect(updates[6]?.update).toMatchObject({
+      toolCallId: "call_done",
+      status: "completed",
+      content: [
+        { type: "content", content: { type: "text", text: "done" } },
+        { type: "content", content: { type: "image", mimeType: "image/png", data: "AAAA" } },
+      ],
+      rawOutput: { structured: { exit: 0 }, result: { code: 0 } },
+    })
+    expect(updates[8]?.update).toMatchObject({
+      toolCallId: "call_running",
+      status: "in_progress",
+      title: "pwd",
+      locations: [{ path: "/workspace" }],
+    })
+    expect(updates[10]?.update).toMatchObject({
+      toolCallId: "call_failed",
+      status: "failed",
+      content: [
+        { type: "content", content: { type: "text", text: "partial" } },
+        { type: "content", content: { type: "text", text: "failed hard" } },
+      ],
+    })
+  })
+
+  test("continues replay after a session update callback rejects", async () => {
+    const attempts: Array<[string, string]> = []
+    const connection = {
+      sessionUpdate: async (params) => {
+        if (params.update.sessionUpdate !== "tool_call" && params.update.sessionUpdate !== "tool_call_update") return
+        attempts.push([params.update.toolCallId, params.update.sessionUpdate])
+        if (params.update.toolCallId === "call_first" && params.update.sessionUpdate === "tool_call_update") {
+          throw new Error("replay send failed")
+        }
+      },
+    } satisfies Pick<AgentSideConnection, "sessionUpdate">
+
+    await replayMessages(connection, "ses_replay_failure", "/workspace", [
+      replayToolMessage("call_first"),
+      replayToolMessage("call_after"),
+    ])
+
+    expect(attempts).toEqual([
+      ["call_first", "tool_call"],
+      ["call_first", "tool_call_update"],
+      ["call_after", "tool_call"],
+      ["call_after", "tool_call_update"],
+    ])
+  })
+
+  test("returns cancelled after an admitted turn is interrupted", async () => {
+    const submitted = Promise.withResolvers<void>()
+    const control: TurnControl = { cancelled: false, admission: new AbortController() }
+    const fixture = createSseFixture({
+      onPrompt({ id, send }) {
+        send(durableEvent("session.input.promoted", { sessionID: "ses_cancel", inputID: id }))
+      },
+      onInterrupt({ sessionID, send }) {
+        send(durableEvent("session.execution.interrupted", { sessionID, reason: "user" }))
+      },
+    })
+    const result = streamTurn({
+      client: fixture.client,
+      connection: recordingConnection([]),
+      sessionID: "ses_cancel",
+      cwd: "/workspace",
+      start: { type: "input", id: "input_cancel" },
+      control,
+      submit: async (signal) => {
+        await fixture.client.session.prompt(
+          { sessionID: "ses_cancel", id: "input_cancel", text: "cancel me" },
+          { signal },
+        )
+        submitted.resolve()
+      },
+    })
+
+    try {
+      await withTimeout(submitted.promise, "cancel test prompt was not admitted")
+      control.cancelled = true
+      control.admission.abort()
+      await fixture.client.session.interrupt({ sessionID: "ses_cancel" })
+
+      const response = await withTimeout(result, "cancelled turn did not terminate")
+      expect(response).toMatchObject({ stopReason: "cancelled" })
+      expect(fixture.requests.filter((request) => request.path.endsWith("/interrupt"))).toHaveLength(1)
+    } finally {
+      await fixture.stop()
+    }
+  })
+
+  test("returns cancelled when admission is aborted before promotion", async () => {
+    const submitted = Promise.withResolvers<void>()
+    const control: TurnControl = { cancelled: false, admission: new AbortController() }
+    const fixture = createSseFixture({
+      onPrompt({ signal }) {
+        submitted.resolve()
+        return new Promise<void>((resolve) => {
+          if (signal.aborted) return resolve()
+          signal.addEventListener("abort", () => resolve(), { once: true })
+        })
+      },
+    })
+    const result = streamTurn({
+      client: fixture.client,
+      connection: recordingConnection([]),
+      sessionID: "ses_cancel_admission",
+      cwd: "/workspace",
+      start: { type: "input", id: "input_cancel_admission" },
+      control,
+      submit: (signal) =>
+        fixture.client.session.prompt(
+          { sessionID: "ses_cancel_admission", id: "input_cancel_admission", text: "cancel me" },
+          { signal },
+        ),
+    })
+
+    try {
+      await withTimeout(submitted.promise, "cancel test prompt was not submitted")
+      control.cancelled = true
+      control.admission.abort()
+
+      const response = await withTimeout(result, "pre-admission cancellation did not terminate")
+      expect(response).toMatchObject({ stopReason: "cancelled" })
+      expect(fixture.requests.filter((request) => request.path.endsWith("/interrupt"))).toHaveLength(1)
+    } finally {
+      control.cancelled = true
+      control.admission.abort()
+      await result.catch(() => undefined)
+      await fixture.stop()
+    }
+  })
+
+  test("cancels unsupported session forms so execution can continue", async () => {
+    const fixture = createSseFixture({
+      onPrompt({ id, send }) {
+        send(durableEvent("session.input.promoted", { sessionID: "ses_form", inputID: id }))
+        send(
+          ephemeralEvent("form.created", {
+            form: {
+              id: "frm_question",
+              sessionID: "ses_form",
+              title: "Questions",
+              metadata: { kind: "question" },
+              fields: [{ key: "q0", title: "Choice", type: "string" }],
+            },
+          }),
+        )
+      },
+      onFormCancel({ sessionID, formID, send }) {
+        send(ephemeralEvent("form.cancelled", { sessionID, id: formID }))
+        send(durableEvent("session.execution.succeeded", { sessionID }))
+      },
+    })
+
+    try {
+      const response = await turn({
+        fixture,
+        connection: recordingConnection([]),
+        sessionID: "ses_form",
+        inputID: "input_form",
+      })
+
+      expect(response.stopReason).toBe("end_turn")
+      expect(
+        fixture.requests.some((request) => request.path === "/api/session/ses_form/form/frm_question/cancel"),
+      ).toBe(true)
+    } finally {
+      await fixture.stop()
+    }
+  })
+})
+
+function recordingConnection(updates: SessionUpdateParams[]) {
+  return {
+    sessionUpdate: async (update) => {
+      updates.push(update)
+    },
+    requestPermission: async () => ({ outcome: { outcome: "cancelled" } }),
+  } satisfies Connection
+}
+
+function turn(input: {
+  readonly fixture: Fixture
+  readonly connection: Connection
+  readonly sessionID: string
+  readonly inputID: string
+}) {
+  return streamTurn({
+    client: input.fixture.client,
+    connection: input.connection,
+    sessionID: input.sessionID,
+    cwd: "/workspace",
+    start: { type: "input", id: input.inputID },
+    userMessageID: `client_${input.inputID}`,
+    control: { cancelled: false, admission: new AbortController() },
+    submit: (signal) =>
+      input.fixture.client.session.prompt({ sessionID: input.sessionID, id: input.inputID, text: "hello" }, { signal }),
+  })
+}
+
+function tokens() {
+  return { input: 1, output: 1, reasoning: 0, cache: { read: 0, write: 0 } }
+}
+
+function replayFixtureMessages(): SessionMessageInfo[] {
+  return [
+    {
+      id: "msg_user",
+      type: "user",
+      text: "hello",
+      time: { created: 1 },
+      files: [
+        {
+          data: "",
+          mime: "text/markdown",
+          name: "note.md",
+          source: { type: "uri", uri: "file:///workspace/note.md" },
+        },
+        {
+          data: "aGVsbG8=",
+          mime: "text/plain",
+          name: "inline.txt",
+          source: { type: "inline" },
+        },
+      ],
+    },
+    {
+      id: "msg_assistant",
+      type: "assistant",
+      agent: "build",
+      model: { providerID: "test", id: "test-model" },
+      time: { created: 2, completed: 3 },
+      content: [
+        { type: "text", text: "answer" },
+        { type: "reasoning", text: "thinking" },
+        {
+          type: "tool",
+          id: "call_done",
+          name: "shell",
+          time: { created: 2, completed: 3 },
+          state: {
+            status: "completed",
+            input: { command: "printf done" },
+            structured: { exit: 0 },
+            content: [
+              { type: "text", text: "done" },
+              { type: "file", uri: "data:image/png;base64,AAAA", mime: "image/png", name: "image.png" },
+            ],
+            result: { code: 0 },
+          },
+        },
+        {
+          type: "tool",
+          id: "call_running",
+          name: "shell",
+          time: { created: 2, ran: 2 },
+          state: {
+            status: "running",
+            input: { command: "pwd" },
+            structured: {},
+            content: [{ type: "text", text: "/workspace" }],
+          },
+        },
+        {
+          type: "tool",
+          id: "call_failed",
+          name: "read",
+          time: { created: 2, completed: 3 },
+          state: {
+            status: "error",
+            input: { filePath: "/workspace/missing.ts" },
+            structured: { bytes: 0 },
+            content: [{ type: "text", text: "partial" }],
+            error: { type: "tool.error", message: "failed hard" },
+          },
+        },
+        {
+          type: "tool",
+          id: "call_streaming",
+          name: "shell",
+          time: { created: 2 },
+          state: { status: "streaming", input: '{"command":' },
+        },
+      ],
+    },
+  ]
+}
+
+function replayToolMessage(id: string) {
+  return {
+    id: `msg_${id}`,
+    type: "assistant",
+    agent: "build",
+    model: { providerID: "test", id: "test-model" },
+    time: { created: 1, completed: 2 },
+    content: [
+      {
+        type: "tool",
+        id,
+        name: "shell",
+        time: { created: 1, completed: 2 },
+        state: {
+          status: "completed",
+          input: { command: "printf done" },
+          structured: { exit: 0 },
+          content: [{ type: "text", text: "done" }],
+        },
+      },
+    ],
+  } satisfies SessionMessageInfo
+}
@@ -0,0 +1,124 @@
+import { expect, test } from "bun:test"
+import type { AgentSideConnection } from "@agentclientprotocol/sdk"
+import { OpenCode } from "@opencode-ai/client/promise"
+import { streamTurn } from "../../src/acp/event"
+
+test("acp prompt resolves after ordered turn updates", async () => {
+  const encoder = new TextEncoder()
+  let events: ReadableStreamDefaultController<Uint8Array> | undefined
+  const updates: Parameters<AgentSideConnection["sessionUpdate"]>[0][] = []
+  const server = Bun.serve({
+    port: 0,
+    async fetch(request) {
+      const url = new URL(request.url)
+      if (url.pathname === "/api/event") {
+        return new Response(
+          new ReadableStream<Uint8Array>({
+            start(controller) {
+              events = controller
+              send(controller, { id: "evt_connected", type: "server.connected", data: {} })
+            },
+          }),
+          { headers: { "content-type": "text/event-stream" } },
+        )
+      }
+      if (url.pathname === "/api/session/ses_test/prompt") {
+        const body: unknown = await request.json()
+        if (!body || typeof body !== "object") {
+          return new Response(null, { status: 400 })
+        }
+        const id = Reflect.get(body, "id")
+        if (typeof id !== "string") return new Response(null, { status: 400 })
+        queueMicrotask(() => {
+          if (!events) return
+          send(events, {
+            id: "evt_promoted",
+            created: 1,
+            type: "session.input.promoted",
+            data: { sessionID: "ses_test", inputID: id },
+          })
+          send(events, {
+            id: "evt_text",
+            created: 2,
+            type: "session.text.delta",
+            data: { sessionID: "ses_test", assistantMessageID: "msg_assistant", ordinal: 0, delta: "hello" },
+          })
+          send(events, {
+            id: "evt_step",
+            created: 3,
+            type: "session.step.ended",
+            data: {
+              sessionID: "ses_test",
+              assistantMessageID: "msg_assistant",
+              finish: "stop",
+              cost: 0,
+              tokens: { input: 1, output: 1, reasoning: 0, cache: { read: 0, write: 0 } },
+            },
+          })
+          send(events, {
+            id: "evt_done",
+            created: 4,
+            type: "session.execution.succeeded",
+            data: { sessionID: "ses_test" },
+          })
+        })
+        return Response.json({ data: {} })
+      }
+      if (url.pathname === "/api/session/ses_test/message/msg_assistant") {
+        return Response.json({
+          data: {
+            id: "msg_assistant",
+            type: "assistant",
+            agent: "build",
+            model: { providerID: "test", id: "test-model" },
+            content: [{ type: "text", text: "hello" }],
+            finish: "stop",
+            tokens: { input: 1, output: 1, reasoning: 0, cache: { read: 0, write: 0 } },
+            time: { created: 1, completed: 4 },
+          },
+        })
+      }
+      return new Response(null, { status: 404 })
+    },
+  })
+  const client = OpenCode.make({ baseUrl: server.url.toString() })
+
+  try {
+    const id = "msg_prompt"
+    const userMessageID = "client-message"
+    const response = await streamTurn({
+      client,
+      connection: {
+        sessionUpdate: async (update) => {
+          updates.push(update)
+        },
+        requestPermission: async () => ({ outcome: { outcome: "cancelled" } }),
+      },
+      sessionID: "ses_test",
+      cwd: "/workspace",
+      start: { type: "input", id },
+      userMessageID,
+      control: { cancelled: false, admission: new AbortController() },
+      submit: () => client.session.prompt({ sessionID: "ses_test", id, text: "hi" }),
+    })
+
+    expect(updates).toEqual([
+      {
+        sessionId: "ses_test",
+        update: {
+          sessionUpdate: "agent_message_chunk",
+          messageId: "msg_assistant",
+          content: { type: "text", text: "hello" },
+        },
+      },
+    ])
+    expect(response).toMatchObject({ stopReason: "end_turn", userMessageId: userMessageID, usage: { totalTokens: 2 } })
+  } finally {
+    events?.close()
+    await server.stop(true)
+  }
+
+  function send(controller: ReadableStreamDefaultController<Uint8Array>, event: unknown) {
+    controller.enqueue(encoder.encode(`data: ${JSON.stringify(event)}\n\n`))
+  }
+})
@@ -0,0 +1,49 @@
+import type { AuthenticateResponse, InitializeResponse } from "@agentclientprotocol/sdk"
+import { describe, expect, test } from "bun:test"
+import { createAcpFixture, expectOk, initialize } from "./subprocess"
+
+describe("acp initialize/auth subprocess", () => {
+  test("initialize responds with capabilities", async () => {
+    await using fixture = await createAcpFixture()
+    const initialized = await initialize(fixture.spawn())
+
+    expect(initialized.protocolVersion).toBe(1)
+    expect(initialized.agentCapabilities?.promptCapabilities?.embeddedContext).toBe(true)
+    expect(initialized.agentCapabilities?.promptCapabilities?.image).toBe(true)
+    expect(initialized.agentCapabilities?.mcpCapabilities?.http).toBe(true)
+    expect(initialized.agentCapabilities?.mcpCapabilities?.sse).toBe(false)
+    expect(initialized.agentCapabilities?.loadSession).toBe(true)
+    expect(initialized.agentCapabilities?.sessionCapabilities?.close).toEqual({})
+    expect(initialized.agentCapabilities?.sessionCapabilities?.fork).toEqual({})
+    expect(initialized.agentCapabilities?.sessionCapabilities?.list).toEqual({})
+    expect(initialized.agentCapabilities?.sessionCapabilities?.resume).toEqual({})
+    expect(initialized.agentInfo?.name).toBe("OpenCode")
+  }, 60_000)
+
+  test("auth negotiation is explicit and safe", async () => {
+    await using fixture = await createAcpFixture()
+    const secret = "subprocess-auth-secret"
+    const acp = fixture.spawn({ OPENCODE_AUTH_CONTENT: secret })
+    const initialized = await initialize(acp)
+
+    expect(initialized.authMethods?.[0]?.id).toBe("opencode-login")
+    expect(initialized.authMethods?.[0]?._meta?.["terminal-auth"]).toBeDefined()
+    expect(expectOk(await acp.request<AuthenticateResponse>("authenticate", { methodId: "opencode-login" }))).toEqual(
+      {},
+    )
+
+    const rejected = await acp.request<AuthenticateResponse>("authenticate", { methodId: "missing-auth-method" })
+    expect(rejected.error?.code).toBe(-32602)
+    expect(JSON.stringify(rejected.error)).not.toContain(secret)
+  }, 60_000)
+
+  test("initialize without terminal-auth metadata keeps auth command implicit", async () => {
+    await using fixture = await createAcpFixture()
+    const initialized = expectOk(
+      await fixture.spawn().request<InitializeResponse>("initialize", { protocolVersion: 1 }),
+    )
+
+    expect(initialized.authMethods?.[0]?.id).toBe("opencode-login")
+    expect(initialized.authMethods?.[0]?._meta?.["terminal-auth"]).toBeUndefined()
+  }, 60_000)
+})
@@ -0,0 +1,85 @@
+import type {
+  CloseSessionResponse,
+  ListSessionsResponse,
+  LoadSessionResponse,
+  ResumeSessionResponse,
+} from "@agentclientprotocol/sdk"
+import { describe, expect, test } from "bun:test"
+import { createAcpFixture, expectOk, initialize, newSession, selectConfigOption } from "./subprocess"
+
+describe("acp lifecycle subprocess", () => {
+  test("stdin EOF exits cleanly", async () => {
+    await using fixture = await createAcpFixture()
+    expect(await fixture.spawn().close()).toBe(0)
+  }, 60_000)
+
+  test("close capability and close request", async () => {
+    await using fixture = await createAcpFixture()
+    const acp = fixture.spawn()
+    const initialized = await initialize(acp)
+    expect(initialized.agentCapabilities?.sessionCapabilities?.close).toEqual({})
+
+    const session = await newSession(acp, fixture.home)
+    expect(
+      expectOk(await acp.request<CloseSessionResponse>("session/close", { sessionId: session.sessionId })),
+    ).toEqual({})
+  }, 60_000)
+
+  test("new session succeeds on the first request", async () => {
+    await using fixture = await createAcpFixture()
+    const acp = fixture.spawn()
+    await initialize(acp)
+
+    expect((await newSession(acp, fixture.home)).sessionId).toStartWith("ses_")
+  }, 60_000)
+
+  test("loadSession capability and load request return session config options", async () => {
+    await using fixture = await createAcpFixture()
+    const acp = fixture.spawn()
+    const initialized = await initialize(acp)
+    expect(initialized.agentCapabilities?.loadSession).toBe(true)
+    const session = await newSession(acp, fixture.home)
+    const loaded = expectOk(
+      await acp.request<LoadSessionResponse>("session/load", {
+        cwd: fixture.home,
+        sessionId: session.sessionId,
+        mcpServers: [],
+      }),
+    )
+
+    expect(selectConfigOption(loaded.configOptions, "model")?.category).toBe("model")
+  }, 60_000)
+
+  test("list request includes a live ACP-created session", async () => {
+    await using fixture = await createAcpFixture()
+    const acp = fixture.spawn()
+    await initialize(acp)
+    const session = await newSession(acp, fixture.home)
+    const listed = expectOk(await acp.request<ListSessionsResponse>("session/list", { cwd: fixture.home }))
+
+    expect(listed.sessions.some((item) => item.sessionId === session.sessionId)).toBe(true)
+  }, 60_000)
+
+  test("resume capability advertisement", async () => {
+    await using fixture = await createAcpFixture()
+    const initialized = await initialize(fixture.spawn())
+
+    expect(initialized.agentCapabilities?.sessionCapabilities?.resume).toEqual({})
+  }, 60_000)
+
+  test("resume request returns session config options", async () => {
+    await using fixture = await createAcpFixture()
+    const acp = fixture.spawn()
+    await initialize(acp)
+    const session = await newSession(acp, fixture.home)
+    const resumed = expectOk(
+      await acp.request<ResumeSessionResponse>("session/resume", {
+        cwd: fixture.home,
+        sessionId: session.sessionId,
+        mcpServers: [],
+      }),
+    )
+
+    expect(selectConfigOption(resumed.configOptions, "model")?.category).toBe("model")
+  }, 60_000)
+})
@@ -0,0 +1,499 @@
+import { describe, expect, test } from "bun:test"
+import type { AgentSideConnection, RequestPermissionRequest, RequestPermissionResponse } from "@agentclientprotocol/sdk"
+import fs from "node:fs/promises"
+import os from "node:os"
+import path from "node:path"
+import { streamTurn } from "../../src/acp/event"
+import { createSseFixture, durableEvent, ephemeralEvent, withTimeout } from "./sse-fixture"
+
+type SessionUpdateParams = Parameters<AgentSideConnection["sessionUpdate"]>[0]
+type Connection = Pick<AgentSideConnection, "sessionUpdate" | "requestPermission"> &
+  Partial<Pick<AgentSideConnection, "writeTextFile">>
+type Fixture = ReturnType<typeof createSseFixture>
+
+describe("acp permission behavior", () => {
+  test("forwards allow-once and allow-always selections to the generated client", async () => {
+    const permissionRequests: RequestPermissionRequest[] = []
+    const fixture = createSseFixture({
+      onPrompt({ id, send }) {
+        send(durableEvent("session.input.promoted", { sessionID: "ses_allow", inputID: id }))
+        send(
+          permissionAsked("ses_allow", "perm_once", {
+            action: "shell",
+            metadata: { command: "printf hello" },
+            source: { type: "tool", messageID: "msg_allow", callID: "call_once" },
+          }),
+        )
+        send(
+          permissionAsked("ses_allow", "perm_always", {
+            action: "read",
+            metadata: { filePath: "/workspace/file.ts" },
+            source: { type: "tool", messageID: "msg_allow", callID: "call_always" },
+          }),
+        )
+        send(durableEvent("session.execution.succeeded", { sessionID: "ses_allow" }))
+      },
+    })
+    const connection = {
+      sessionUpdate: async () => {},
+      requestPermission: async (request) => {
+        permissionRequests.push(request)
+        return {
+          outcome: {
+            outcome: "selected",
+            optionId: request.toolCall.toolCallId === "call_once" ? "once" : "always",
+          },
+        }
+      },
+    } satisfies Connection
+
+    try {
+      await startTurn(fixture, connection, "ses_allow", "input_allow")
+
+      expect(permissionRequests[0]).toMatchObject({
+        sessionId: "ses_allow",
+        toolCall: {
+          toolCallId: "call_once",
+          status: "pending",
+          title: "printf hello",
+          kind: "execute",
+          locations: [{ path: "/workspace" }],
+          rawInput: { command: "printf hello", cwd: "/workspace" },
+        },
+        options: [
+          { optionId: "once", kind: "allow_once", name: "Allow once" },
+          { optionId: "always", kind: "allow_always", name: "Always allow" },
+          { optionId: "reject", kind: "reject_once", name: "Reject" },
+        ],
+      })
+      expect(permissionRequests[1]).toMatchObject({
+        sessionId: "ses_allow",
+        toolCall: {
+          toolCallId: "call_always",
+          status: "pending",
+          title: "/workspace/file.ts",
+          kind: "read",
+          locations: [{ path: "/workspace/file.ts" }],
+          rawInput: { filePath: "/workspace/file.ts" },
+        },
+      })
+      expect(permissionReplies(fixture)).toEqual([
+        ["perm_once", "once"],
+        ["perm_always", "always"],
+      ])
+    } finally {
+      await fixture.stop()
+    }
+  })
+
+  test("preserves external directory permission context", async () => {
+    const permissionRequests: RequestPermissionRequest[] = []
+    const fixture = createSseFixture({
+      onPrompt({ id, send }) {
+        send(durableEvent("session.input.promoted", { sessionID: "ses_external", inputID: id }))
+        send(
+          permissionAsked("ses_external", "perm_external", {
+            action: "external_directory",
+            metadata: {
+              command: "mkdir -p /tmp/outside",
+              description: "Create external directory",
+              directories: ["/tmp/outside"],
+              patterns: ["/tmp/outside/*"],
+            },
+          }),
+        )
+        send(durableEvent("session.execution.succeeded", { sessionID: "ses_external" }))
+      },
+    })
+    const connection = {
+      sessionUpdate: async () => {},
+      requestPermission: async (request) => {
+        permissionRequests.push(request)
+        return { outcome: { outcome: "selected", optionId: "once" } } as const
+      },
+    } satisfies Connection
+
+    try {
+      await startTurn(fixture, connection, "ses_external", "input_external")
+
+      expect(permissionRequests[0]?.toolCall).toMatchObject({
+        title: "Create external directory",
+        locations: [{ path: "/tmp/outside" }],
+        rawInput: {
+          command: "mkdir -p /tmp/outside",
+          description: "Create external directory",
+          directories: ["/tmp/outside"],
+          patterns: ["/tmp/outside/*"],
+        },
+      })
+    } finally {
+      await fixture.stop()
+    }
+  })
+
+  test("previews edits during approval and syncs the completed file", async () => {
+    const cwd = await fs.mkdtemp(path.join(os.tmpdir(), "opencode-acp-permission-"))
+    const file = path.join(cwd, "file.ts")
+    await fs.writeFile(file, "before")
+    const permissionRequests: RequestPermissionRequest[] = []
+    const writes: Parameters<AgentSideConnection["writeTextFile"]>[0][] = []
+    const fixture = createSseFixture({
+      onPrompt({ id, send }) {
+        send(durableEvent("session.input.promoted", { sessionID: "ses_edit", inputID: id }))
+        send(
+          durableEvent("session.tool.input.started", {
+            sessionID: "ses_edit",
+            assistantMessageID: "msg_edit",
+            callID: "call_edit",
+            name: "edit",
+          }),
+        )
+        send(
+          durableEvent("session.tool.called", {
+            sessionID: "ses_edit",
+            assistantMessageID: "msg_edit",
+            callID: "call_edit",
+            input: { path: "file.ts", oldString: "before", newString: "after" },
+            executed: false,
+          }),
+        )
+        send(
+          permissionAsked("ses_edit", "perm_edit", {
+            action: "edit",
+            source: { type: "tool", messageID: "msg_edit", callID: "call_edit" },
+          }),
+        )
+      },
+      async onPermissionReply({ send }) {
+        await fs.writeFile(file, "after")
+        send(
+          durableEvent("session.tool.success", {
+            sessionID: "ses_edit",
+            assistantMessageID: "msg_edit",
+            callID: "call_edit",
+            structured: { files: [{ file: "file.ts" }], replacements: 1 },
+            content: [{ type: "text", text: "edited" }],
+            executed: true,
+          }),
+        )
+        send(durableEvent("session.execution.succeeded", { sessionID: "ses_edit" }))
+      },
+    })
+    const connection = {
+      sessionUpdate: async () => {},
+      requestPermission: async (request) => {
+        permissionRequests.push(request)
+        return { outcome: { outcome: "selected", optionId: "once" } } as const
+      },
+      writeTextFile: async (request) => {
+        writes.push(request)
+        return {}
+      },
+    } satisfies Connection
+
+    try {
+      await startTurn(fixture, connection, "ses_edit", "input_edit", cwd)
+
+      expect(permissionRequests[0]?.toolCall).toMatchObject({
+        title: "file.ts",
+        kind: "edit",
+        locations: [{ path: "file.ts" }],
+        content: [{ type: "diff", path: "file.ts", oldText: "before", newText: "after" }],
+      })
+      expect(writes).toEqual([{ sessionId: "ses_edit", path: file, content: "after" }])
+    } finally {
+      await fixture.stop()
+      await fs.rm(cwd, { recursive: true, force: true })
+    }
+  })
+
+  test("previews and syncs each file in a patch", async () => {
+    const cwd = await fs.mkdtemp(path.join(os.tmpdir(), "opencode-acp-patch-permission-"))
+    await Promise.all([
+      fs.writeFile(path.join(cwd, "first.ts"), "one\n"),
+      fs.writeFile(path.join(cwd, "second.ts"), "alpha\n"),
+    ])
+    const patchText = [
+      "*** Begin Patch",
+      "*** Update File: first.ts",
+      "@@",
+      "-one",
+      "+two",
+      "*** Update File: second.ts",
+      "@@",
+      "-alpha",
+      "+beta",
+      "*** End Patch",
+    ].join("\n")
+    const permissionRequests: RequestPermissionRequest[] = []
+    const writes: Parameters<AgentSideConnection["writeTextFile"]>[0][] = []
+    const fixture = createSseFixture({
+      onPrompt({ id, send }) {
+        send(durableEvent("session.input.promoted", { sessionID: "ses_patch", inputID: id }))
+        send(
+          durableEvent("session.tool.input.started", {
+            sessionID: "ses_patch",
+            assistantMessageID: "msg_patch",
+            callID: "call_patch",
+            name: "patch",
+          }),
+        )
+        send(
+          durableEvent("session.tool.called", {
+            sessionID: "ses_patch",
+            assistantMessageID: "msg_patch",
+            callID: "call_patch",
+            input: { patchText },
+            executed: false,
+          }),
+        )
+        send(
+          permissionAsked("ses_patch", "perm_patch", {
+            action: "edit",
+            source: { type: "tool", messageID: "msg_patch", callID: "call_patch" },
+          }),
+        )
+      },
+      async onPermissionReply({ send }) {
+        await Promise.all([
+          fs.writeFile(path.join(cwd, "first.ts"), "two\n"),
+          fs.writeFile(path.join(cwd, "second.ts"), "beta\n"),
+        ])
+        send(
+          durableEvent("session.tool.success", {
+            sessionID: "ses_patch",
+            assistantMessageID: "msg_patch",
+            callID: "call_patch",
+            structured: { files: [{ file: "first.ts" }, { file: "second.ts" }] },
+            content: [{ type: "text", text: "patched" }],
+            executed: true,
+          }),
+        )
+        send(durableEvent("session.execution.succeeded", { sessionID: "ses_patch" }))
+      },
+    })
+    const connection = {
+      sessionUpdate: async () => {},
+      requestPermission: async (request) => {
+        permissionRequests.push(request)
+        return { outcome: { outcome: "selected", optionId: "once" } } as const
+      },
+      writeTextFile: async (request) => {
+        writes.push(request)
+        return {}
+      },
+    } satisfies Connection
+
+    try {
+      await startTurn(fixture, connection, "ses_patch", "input_patch", cwd)
+
+      expect(permissionRequests[0]?.toolCall).toMatchObject({
+        title: "2 files",
+        kind: "edit",
+        locations: [{ path: "first.ts" }, { path: "second.ts" }],
+        content: [
+          { type: "diff", path: "first.ts", oldText: "one\n", newText: "two\n" },
+          { type: "diff", path: "second.ts", oldText: "alpha\n", newText: "beta\n" },
+        ],
+      })
+      expect(writes.toSorted((a, b) => a.path.localeCompare(b.path))).toEqual([
+        { sessionId: "ses_patch", path: path.join(cwd, "first.ts"), content: "two\n" },
+        { sessionId: "ses_patch", path: path.join(cwd, "second.ts"), content: "beta\n" },
+      ])
+    } finally {
+      await fixture.stop()
+      await fs.rm(cwd, { recursive: true, force: true })
+    }
+  })
+
+  test("rejects explicit rejection, cancellation, and permission UI failure", async () => {
+    const fixture = createSseFixture({
+      onPrompt({ id, send }) {
+        send(durableEvent("session.input.promoted", { sessionID: "ses_reject", inputID: id }))
+        send(permissionAsked("ses_reject", "perm_selected_reject"))
+        send(permissionAsked("ses_reject", "perm_cancelled"))
+        send(permissionAsked("ses_reject", "perm_failed"))
+        send(durableEvent("session.execution.succeeded", { sessionID: "ses_reject" }))
+      },
+    })
+    const connection = {
+      sessionUpdate: async () => {},
+      requestPermission: async (request): Promise<RequestPermissionResponse> => {
+        if (request.toolCall.toolCallId === "perm_selected_reject") {
+          return { outcome: { outcome: "selected", optionId: "reject" } }
+        }
+        if (request.toolCall.toolCallId === "perm_cancelled") return { outcome: { outcome: "cancelled" } }
+        throw new Error("client permission UI failed")
+      },
+    } satisfies Connection
+
+    try {
+      const response = await startTurn(fixture, connection, "ses_reject", "input_reject")
+      expect(response).toMatchObject({ stopReason: "end_turn" })
+      expect(permissionReplies(fixture)).toEqual([
+        ["perm_selected_reject", "reject"],
+        ["perm_cancelled", "reject"],
+        ["perm_failed", "reject"],
+      ])
+    } finally {
+      await fixture.stop()
+    }
+  })
+
+  test("serializes permission requests and replies within one session", async () => {
+    const firstRequested = Promise.withResolvers<void>()
+    const releaseFirst = Promise.withResolvers<RequestPermissionResponse>()
+    const permissionRequests: RequestPermissionRequest[] = []
+    const fixture = createSseFixture({
+      onPrompt({ id, send }) {
+        send(durableEvent("session.input.promoted", { sessionID: "ses_serial", inputID: id }))
+        send(permissionAsked("ses_serial", "perm_1"))
+        send(permissionAsked("ses_serial", "perm_2"))
+        send(durableEvent("session.execution.succeeded", { sessionID: "ses_serial" }))
+      },
+    })
+    const connection = {
+      sessionUpdate: async () => {},
+      requestPermission: async (request) => {
+        permissionRequests.push(request)
+        if (request.toolCall.toolCallId === "perm_1") {
+          firstRequested.resolve()
+          return releaseFirst.promise
+        }
+        return { outcome: { outcome: "selected", optionId: "always" } } as const
+      },
+    } satisfies Connection
+    const result = startTurn(fixture, connection, "ses_serial", "input_serial")
+
+    try {
+      await withTimeout(firstRequested.promise, "first permission was not requested")
+      expect(permissionRequests.map((request) => request.toolCall.toolCallId)).toEqual(["perm_1"])
+      expect(permissionReplies(fixture)).toEqual([])
+
+      releaseFirst.resolve({ outcome: { outcome: "selected", optionId: "once" } })
+      await withTimeout(result, "serialized permission turn did not finish")
+
+      expect(permissionRequests.map((request) => request.toolCall.toolCallId)).toEqual(["perm_1", "perm_2"])
+      expect(permissionReplies(fixture)).toEqual([
+        ["perm_1", "once"],
+        ["perm_2", "always"],
+      ])
+    } finally {
+      releaseFirst.resolve({ outcome: { outcome: "cancelled" } })
+      await result.catch(() => undefined)
+      await fixture.stop()
+    }
+  })
+
+  test("does not let one session's blocked permission stall another session", async () => {
+    const blockedRequested = Promise.withResolvers<void>()
+    const releaseBlocked = Promise.withResolvers<RequestPermissionResponse>()
+    const promptIDs = new Map<string, string>()
+    const updates: SessionUpdateParams[] = []
+    const fixture = createSseFixture({
+      onPrompt({ sessionID, id, send }) {
+        promptIDs.set(sessionID, id)
+        if (promptIDs.size !== 2) return
+        const blockedID = promptIDs.get("ses_blocked")
+        const freeID = promptIDs.get("ses_free")
+        if (!blockedID || !freeID) throw new Error("both permission test prompts must be registered")
+        send(durableEvent("session.input.promoted", { sessionID: "ses_blocked", inputID: blockedID }))
+        send(durableEvent("session.input.promoted", { sessionID: "ses_free", inputID: freeID }))
+        send(permissionAsked("ses_blocked", "perm_blocked"))
+        send(
+          ephemeralEvent("session.text.delta", {
+            sessionID: "ses_free",
+            assistantMessageID: "msg_free",
+            ordinal: 0,
+            delta: "session B continued",
+          }),
+        )
+        send(
+          durableEvent("session.step.ended", {
+            sessionID: "ses_free",
+            assistantMessageID: "msg_free",
+            finish: "stop",
+            cost: 0,
+            tokens: { input: 1, output: 1, reasoning: 0, cache: { read: 0, write: 0 } },
+          }),
+        )
+        send(durableEvent("session.execution.succeeded", { sessionID: "ses_free" }))
+        send(durableEvent("session.execution.succeeded", { sessionID: "ses_blocked" }))
+      },
+    })
+    const connection = {
+      sessionUpdate: async (update) => {
+        updates.push(update)
+      },
+      requestPermission: async () => {
+        blockedRequested.resolve()
+        return releaseBlocked.promise
+      },
+    } satisfies Connection
+    const blocked = startTurn(fixture, connection, "ses_blocked", "input_blocked")
+    const free = startTurn(fixture, connection, "ses_free", "input_free")
+
+    try {
+      await withTimeout(blockedRequested.promise, "blocked permission was not requested")
+      const response = await withTimeout(free, "free session was stalled by another session's permission")
+      expect(response).toMatchObject({ stopReason: "end_turn" })
+      expect(updates).toContainEqual({
+        sessionId: "ses_free",
+        update: {
+          sessionUpdate: "agent_message_chunk",
+          messageId: "msg_free",
+          content: { type: "text", text: "session B continued" },
+        },
+      })
+      expect(permissionReplies(fixture)).toEqual([])
+
+      releaseBlocked.resolve({ outcome: { outcome: "selected", optionId: "once" } })
+      await withTimeout(blocked, "blocked session did not resume after permission selection")
+      expect(permissionReplies(fixture)).toEqual([["perm_blocked", "once"]])
+    } finally {
+      releaseBlocked.resolve({ outcome: { outcome: "cancelled" } })
+      await Promise.all([blocked.catch(() => undefined), free.catch(() => undefined)])
+      await fixture.stop()
+    }
+  })
+})
+
+function startTurn(fixture: Fixture, connection: Connection, sessionID: string, inputID: string, cwd = "/workspace") {
+  return streamTurn({
+    client: fixture.client,
+    connection,
+    sessionID,
+    cwd,
+    start: { type: "input", id: inputID },
+    control: { cancelled: false, admission: new AbortController() },
+    submit: (signal) => fixture.client.session.prompt({ sessionID, id: inputID, text: "hello" }, { signal }),
+  })
+}
+
+function permissionAsked(
+  sessionID: string,
+  id: string,
+  input: {
+    readonly action?: string
+    readonly metadata?: Record<string, unknown>
+    readonly source?: { readonly type: "tool"; readonly messageID: string; readonly callID: string }
+  } = {},
+) {
+  return ephemeralEvent("permission.v2.asked", {
+    id,
+    sessionID,
+    action: input.action ?? "shell",
+    resources: ["*"],
+    metadata: input.metadata ?? { command: "printf hello" },
+    ...(input.source ? { source: input.source } : {}),
+  })
+}
+
+function permissionReplies(fixture: Fixture) {
+  return fixture.requests.flatMap((request): Array<[string, string]> => {
+    const match = /^\/api\/session\/[^/]+\/permission\/([^/]+)\/reply$/.exec(request.path)
+    if (!match?.[1] || !request.body || typeof request.body !== "object") return []
+    const reply = Reflect.get(request.body, "reply")
+    return typeof reply === "string" ? [[decodeURIComponent(match[1]), reply]] : []
+  })
+}
@@ -0,0 +1,62 @@
+import type { PromptResponse } from "@agentclientprotocol/sdk"
+import { describe, expect, test } from "bun:test"
+import path from "node:path"
+import { pathToFileURL } from "node:url"
+import { createAcpFixture, expectOk, initialize, newSession } from "./subprocess"
+
+const tinyPng = "iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mP8/x8AAwMCAO+ip1sAAAAASUVORK5CYII="
+
+describe("acp prompt content subprocess", () => {
+  test("accepts embedded text resource image and file resource link prompt content", async () => {
+    await using fixture = await createAcpFixture()
+    await Bun.write(path.join(fixture.home, "README.md"), "# ACP content smoke\n")
+    const acp = fixture.spawn()
+    await initialize(acp)
+    const session = await newSession(acp, fixture.home)
+
+    expectOk(
+      await acp.request<PromptResponse>("session/prompt", {
+        sessionId: session.sessionId,
+        prompt: [
+          { type: "text", text: "Use this embedded resource." },
+          {
+            type: "resource",
+            resource: { uri: "file:///context.txt", mimeType: "text/plain", text: "embedded context" },
+          },
+        ],
+      }),
+    )
+
+    expectOk(
+      await acp.request<PromptResponse>("session/prompt", {
+        sessionId: session.sessionId,
+        prompt: [
+          { type: "text", text: "Use this image." },
+          {
+            type: "image",
+            mimeType: "image/png",
+            data: tinyPng,
+          },
+        ],
+      }),
+    )
+
+    const linked = expectOk(
+      await acp.request<PromptResponse>("session/prompt", {
+        sessionId: session.sessionId,
+        prompt: [
+          { type: "text", text: "Use this linked file." },
+          {
+            type: "resource_link",
+            uri: pathToFileURL(path.join(fixture.home, "README.md")).href,
+            name: "README.md",
+            mimeType: "text/markdown",
+          },
+        ],
+      }),
+    )
+
+    expect(linked.stopReason).toBe("end_turn")
+    expect(fixture.llm.requests.length).toBeGreaterThanOrEqual(3)
+  }, 60_000)
+})
@@ -0,0 +1,269 @@
+import { describe, expect, test } from "bun:test"
+import type { McpServer, SessionConfigOption } from "@agentclientprotocol/sdk"
+import { makeACPFixture, makeSession, secondModel, testModel } from "./service-fixture"
+
+describe("acp service directory behavior", () => {
+  test("creates sessions from a catalog shared by concurrent callers in the same cwd", async () => {
+    let created = 0
+    await using fixture = makeACPFixture({
+      fetch(request) {
+        if (request.method !== "POST" || request.path !== "/api/session") return undefined
+        created++
+        return Response.json({
+          data: makeSession(`ses_${created}`, { cwd: created <= 2 ? "/workspace" : "/other" }),
+        })
+      },
+    })
+
+    const first = await Promise.all([
+      fixture.service.newSession({ cwd: "/workspace", mcpServers: [] }),
+      fixture.service.newSession({ cwd: "/workspace", mcpServers: [] }),
+    ])
+    const other = await fixture.service.newSession({ cwd: "/other", mcpServers: [] })
+
+    expect(first.map((session) => session.sessionId).toSorted()).toEqual(["ses_1", "ses_2"])
+    expect(other.sessionId).toBe("ses_3")
+    expect(currentValue(first[0], "model")).toBe("test/test-model")
+    expect(currentValue(first[0], "mode")).toBe("build")
+    expect(
+      ["/api/model", "/api/model/default", "/api/agent", "/api/command", "/api/skill"].map((path) =>
+        fixture.requests
+          .filter((request) => request.path === path)
+          .map((request) => request.query["location[directory]"]),
+      ),
+    ).toEqual([
+      ["/workspace", "/other"],
+      ["/workspace", "/other"],
+      ["/workspace", "/other"],
+      ["/workspace", "/other"],
+      ["/workspace", "/other"],
+    ])
+    expect(
+      fixture.requests
+        .filter((request) => request.method === "POST" && request.path === "/api/session")
+        .map((request) => request.body),
+    ).toEqual([
+      {
+        agent: "build",
+        model: { providerID: "test", id: "test-model", variant: "default" },
+        location: { directory: "/workspace" },
+      },
+      {
+        agent: "build",
+        model: { providerID: "test", id: "test-model", variant: "default" },
+        location: { directory: "/workspace" },
+      },
+      {
+        agent: "build",
+        model: { providerID: "test", id: "test-model", variant: "default" },
+        location: { directory: "/other" },
+      },
+    ])
+    expect(
+      fixture.updates.map((item) =>
+        item.update.sessionUpdate === "available_commands_update"
+          ? item.update.availableCommands.map((command) => command.name)
+          : [],
+      ),
+    ).toEqual([
+      ["review", "verify"],
+      ["review", "verify"],
+      ["review", "verify"],
+    ])
+  })
+
+  test("does not cache a failed catalog load", async () => {
+    let modelCalls = 0
+    await using fixture = makeACPFixture({
+      fetch(request) {
+        if (request.path === "/api/model") {
+          modelCalls++
+          if (modelCalls === 1) {
+            return Response.json(
+              { name: "ModelsNotReadyError", data: { message: "catalog is warming" } },
+              { status: 503 },
+            )
+          }
+        }
+        if (request.method === "POST" && request.path === "/api/session") {
+          return Response.json({ data: makeSession("ses_retry") })
+        }
+        return undefined
+      },
+    })
+
+    const failure = await fixture.service
+      .newSession({ cwd: "/workspace", mcpServers: [] })
+      .catch((error: unknown) => error)
+    expect(failure).toMatchObject({ name: "ModelsNotReadyError" })
+    const retried = await fixture.service.newSession({ cwd: "/workspace", mcpServers: [] })
+
+    expect(retried.sessionId).toBe("ses_retry")
+    expect(modelCalls).toBe(2)
+  })
+
+  test("switches model, effort, and mode against the warm catalog", async () => {
+    await using fixture = makeACPFixture({
+      fetch(request) {
+        if (request.method === "POST" && request.path === "/api/session") {
+          return Response.json({ data: makeSession("ses_config") })
+        }
+        if (
+          request.method === "POST" &&
+          (request.path === "/api/session/ses_config/model" || request.path === "/api/session/ses_config/agent")
+        ) {
+          return new Response(null, { status: 204 })
+        }
+        return undefined
+      },
+    })
+    const session = await fixture.service.newSession({ cwd: "/workspace", mcpServers: [] })
+
+    const selectedModel = await fixture.service.setSessionConfigOption({
+      sessionId: session.sessionId,
+      configId: "model",
+      value: "test/second-model",
+    })
+    const selectedEffort = await fixture.service.setSessionConfigOption({
+      sessionId: session.sessionId,
+      configId: "effort",
+      value: "medium",
+    })
+    const selectedMode = await fixture.service.setSessionConfigOption({
+      sessionId: session.sessionId,
+      configId: "mode",
+      value: "plan",
+    })
+    await fixture.service.setSessionModel({ sessionId: session.sessionId, modelId: "test/test-model/high" })
+    await fixture.service.setSessionMode({ sessionId: session.sessionId, modeId: "build" })
+
+    expect(currentValue(selectedModel, "model")).toBe("test/second-model")
+    expect(currentValue(selectedModel, "effort")).toBe("low")
+    expect(currentValue(selectedEffort, "effort")).toBe("medium")
+    expect(currentValue(selectedMode, "mode")).toBe("plan")
+    expect(
+      fixture.requests
+        .filter((request) => request.path === "/api/session/ses_config/model")
+        .map((request) => request.body),
+    ).toEqual([
+      { model: { providerID: "test", id: secondModel.id } },
+      { model: { providerID: "test", id: secondModel.id, variant: "medium" } },
+      { model: { providerID: "test", id: testModel.id, variant: "high" } },
+    ])
+    expect(
+      fixture.requests
+        .filter((request) => request.path === "/api/session/ses_config/agent")
+        .map((request) => request.body),
+    ).toEqual([{ agent: "plan" }, { agent: "build" }])
+    expect(fixture.requests.filter((request) => request.path === "/api/model")).toHaveLength(1)
+
+    const invalidEffort = await fixture.service
+      .setSessionConfigOption({
+        sessionId: session.sessionId,
+        configId: "effort",
+        value: "maximum",
+      })
+      .catch((error: unknown) => error)
+    const invalidMode = await fixture.service
+      .setSessionConfigOption({
+        sessionId: session.sessionId,
+        configId: "mode",
+        value: "missing",
+      })
+      .catch((error: unknown) => error)
+    const invalidConfig = await fixture.service
+      .setSessionConfigOption({
+        sessionId: session.sessionId,
+        configId: "missing",
+        value: "value",
+      })
+      .catch((error: unknown) => error)
+    expect(invalidEffort).toMatchObject({ _tag: "ACPInvalidEffortError" })
+    expect(invalidMode).toMatchObject({ _tag: "ACPInvalidModeError" })
+    expect(invalidConfig).toMatchObject({ _tag: "ACPInvalidConfigOptionError" })
+  })
+
+  test("converts MCP configs and deduplicates registrations per session and config", async () => {
+    const local: McpServer = {
+      name: "tools",
+      command: "bun",
+      args: ["server.ts"],
+      env: [{ name: "TOKEN", value: "x" }],
+    }
+    const changed: McpServer = { ...local, args: ["changed.ts"] }
+    const remote: McpServer = {
+      type: "http",
+      name: "docs",
+      url: "https://example.com/mcp",
+      headers: [{ name: "Authorization", value: "Bearer x" }],
+    }
+    let created = 0
+    await using fixture = makeACPFixture({
+      fetch(request) {
+        if (request.method === "POST" && request.path === "/api/session") {
+          created++
+          return Response.json({ data: makeSession(`ses_${created}`) })
+        }
+        if (request.method === "GET" && request.path === "/api/session/ses_1") {
+          return Response.json({ data: makeSession("ses_1") })
+        }
+        if (request.method === "PUT" && request.path.startsWith("/api/mcp/")) {
+          return new Response(null, { status: 204 })
+        }
+        return undefined
+      },
+    })
+
+    await fixture.service.newSession({ cwd: "/workspace", mcpServers: [local, local, remote] })
+    await fixture.service.resumeSession({ cwd: "/workspace", sessionId: "ses_1", mcpServers: [local, remote] })
+    await fixture.service.resumeSession({ cwd: "/workspace", sessionId: "ses_1", mcpServers: [changed] })
+    await fixture.service.newSession({ cwd: "/workspace", mcpServers: [local] })
+
+    const adds = fixture.requests.filter((request) => request.method === "PUT" && request.path.startsWith("/api/mcp/"))
+    expect(adds).toHaveLength(4)
+    expect(adds.filter((request) => request.path === "/api/mcp/tools").map((request) => request.body)).toEqual([
+      {
+        config: {
+          type: "local",
+          command: ["bun", "server.ts"],
+          environment: { TOKEN: "x" },
+        },
+      },
+      {
+        config: {
+          type: "local",
+          command: ["bun", "changed.ts"],
+          environment: { TOKEN: "x" },
+        },
+      },
+      {
+        config: {
+          type: "local",
+          command: ["bun", "server.ts"],
+          environment: { TOKEN: "x" },
+        },
+      },
+    ])
+    expect(adds.find((request) => request.path === "/api/mcp/docs")?.body).toEqual({
+      config: {
+        type: "remote",
+        url: "https://example.com/mcp",
+        headers: { Authorization: "Bearer x" },
+        oauth: false,
+      },
+    })
+    expect(adds.map((request) => request.query)).toEqual([
+      { "location[directory]": "/workspace" },
+      { "location[directory]": "/workspace" },
+      { "location[directory]": "/workspace" },
+      { "location[directory]": "/workspace" },
+    ])
+  })
+})
+
+function currentValue(
+  result: { readonly configOptions?: readonly SessionConfigOption[] | null } | undefined,
+  id: string,
+) {
+  return result?.configOptions?.find((option) => option.id === id)?.currentValue
+}
@@ -0,0 +1,207 @@
+import type { AgentSideConnection } from "@agentclientprotocol/sdk"
+import {
+  OpenCode,
+  type AgentInfo,
+  type CommandInfo,
+  type ModelInfo,
+  type ModelRef,
+  type SessionInfo,
+  type SkillInfo,
+  type TokenUsageInfo,
+} from "@opencode-ai/client/promise"
+import { ACPService } from "../../src/acp/service"
+
+export type FixtureRequest = {
+  readonly method: string
+  readonly path: string
+  readonly query: Record<string, string>
+  readonly body: unknown
+}
+
+export type FixtureContext = {
+  readonly requests: FixtureRequest[]
+  send(event: unknown): void
+}
+
+type FixtureHandler = (
+  request: FixtureRequest,
+  context: FixtureContext,
+) => Response | undefined | Promise<Response | undefined>
+
+type FixtureOptions = {
+  readonly fetch?: FixtureHandler
+  readonly models?: readonly ModelInfo[]
+  readonly defaultModel?: ModelInfo
+  readonly agents?: readonly AgentInfo[]
+  readonly commands?: readonly CommandInfo[]
+  readonly skills?: readonly SkillInfo[]
+}
+
+export const testModel = {
+  id: "test-model",
+  modelID: "test-model",
+  providerID: "test",
+  name: "Test Model",
+  capabilities: { tools: true, input: ["text"], output: ["text"] },
+  variants: [{ id: "default" }, { id: "high" }],
+  time: { released: 0 },
+  cost: [],
+  status: "active",
+  enabled: true,
+  limit: { context: 100_000, output: 10_000 },
+} satisfies ModelInfo
+
+export const secondModel = {
+  id: "second-model",
+  modelID: "second-model",
+  providerID: "test",
+  name: "Second Model",
+  capabilities: { tools: true, input: ["text"], output: ["text"] },
+  variants: [{ id: "low" }, { id: "medium" }],
+  time: { released: 0 },
+  cost: [],
+  status: "active",
+  enabled: true,
+  limit: { context: 200_000, output: 20_000 },
+} satisfies ModelInfo
+
+export const buildAgent = {
+  id: "build",
+  name: "Build",
+  request: { settings: {}, headers: {}, body: {} },
+  mode: "primary",
+  hidden: false,
+  permissions: [],
+} satisfies AgentInfo
+
+export const planAgent = {
+  id: "plan",
+  name: "Plan",
+  description: "Plan first",
+  request: { settings: {}, headers: {}, body: {} },
+  mode: "primary",
+  hidden: false,
+  permissions: [],
+} satisfies AgentInfo
+
+export const reviewCommand = {
+  name: "review",
+  description: "Review changes",
+  template: "",
+} satisfies CommandInfo
+
+export const verifySkill = {
+  id: "verify",
+  name: "verify",
+  description: "Verify work",
+  slash: true,
+  location: "/skills/verify.md",
+  content: "verify",
+} satisfies SkillInfo
+
+export function makeSession(
+  id: string,
+  input: {
+    readonly cwd?: string
+    readonly agent?: string
+    readonly model?: ModelRef
+    readonly cost?: number
+    readonly tokens?: TokenUsageInfo
+    readonly time?: SessionInfo["time"]
+    readonly title?: string
+  } = {},
+): SessionInfo {
+  return {
+    id,
+    projectID: "global",
+    agent: input.agent ?? "build",
+    model: input.model ?? { providerID: "test", id: "test-model", variant: "default" },
+    cost: input.cost ?? 0,
+    tokens: input.tokens ?? { input: 0, output: 0, reasoning: 0, cache: { read: 0, write: 0 } },
+    time: input.time ?? { created: 0, updated: 0 },
+    title: input.title ?? `Session ${id}`,
+    location: { directory: input.cwd ?? "/workspace" },
+  }
+}
+
+export function makeACPFixture(options: FixtureOptions = {}) {
+  const requests: FixtureRequest[] = []
+  const updates: Parameters<AgentSideConnection["sessionUpdate"]>[0][] = []
+  const encoder = new TextEncoder()
+  let eventController: ReadableStreamDefaultController<Uint8Array> | undefined
+  const models = options.models ?? [testModel, secondModel]
+  const context: FixtureContext = {
+    requests,
+    send(event) {
+      if (!eventController) throw new Error("ACP fixture has no active event stream")
+      eventController.enqueue(encoder.encode(`data: ${JSON.stringify(event)}\n\n`))
+    },
+  }
+  const server = Bun.serve({
+    port: 0,
+    async fetch(raw) {
+      const url = new URL(raw.url)
+      const request: FixtureRequest = {
+        method: raw.method,
+        path: url.pathname,
+        query: Object.fromEntries(url.searchParams.entries()),
+        body: raw.method === "GET" || raw.method === "HEAD" ? undefined : await raw.json().catch(() => undefined),
+      }
+      requests.push(request)
+      const response = await options.fetch?.(request, context)
+      if (response) return response
+
+      const directory = request.query["location[directory]"] ?? "/workspace"
+      const location = { directory, project: { id: "global", directory } }
+      if (request.path === "/api/event") {
+        let controller: ReadableStreamDefaultController<Uint8Array> | undefined
+        return new Response(
+          new ReadableStream<Uint8Array>({
+            start(value) {
+              controller = value
+              eventController = value
+              context.send({ id: "evt_connected", type: "server.connected", data: {} })
+            },
+            cancel() {
+              if (eventController === controller) eventController = undefined
+            },
+          }),
+          { headers: { "content-type": "text/event-stream" } },
+        )
+      }
+      if (request.path === "/api/model") return Response.json({ location, data: models })
+      if (request.path === "/api/model/default") {
+        return Response.json({ location, data: options.defaultModel ?? models[0] ?? null })
+      }
+      if (request.path === "/api/agent") {
+        return Response.json({ location, data: options.agents ?? [buildAgent, planAgent] })
+      }
+      if (request.path === "/api/command") {
+        return Response.json({ location, data: options.commands ?? [reviewCommand] })
+      }
+      if (request.path === "/api/skill") {
+        return Response.json({ location, data: options.skills ?? [verifySkill] })
+      }
+      return new Response(null, { status: 404 })
+    },
+  })
+  const service = ACPService.make({
+    client: OpenCode.make({ baseUrl: server.url.toString() }),
+    connection: {
+      sessionUpdate: async (update) => {
+        updates.push(update)
+      },
+      requestPermission: async () => ({ outcome: { outcome: "cancelled" } }),
+    },
+  })
+
+  return {
+    service,
+    requests,
+    updates,
+    async [Symbol.asyncDispose]() {
+      eventController?.close()
+      await server.stop(true)
+    },
+  }
+}
@@ -0,0 +1,232 @@
+import { describe, expect, test } from "bun:test"
+import type { SessionConfigOption } from "@agentclientprotocol/sdk"
+import { makeACPFixture, makeSession, secondModel } from "./service-fixture"
+
+describe("acp service lifecycle", () => {
+  test("loads and forks with paginated replay while resume does not replay", async () => {
+    await using fixture = makeACPFixture({
+      fetch(request) {
+        if (request.method === "GET" && request.path === "/api/session/ses_loaded") {
+          return Response.json({
+            data: makeSession("ses_loaded", {
+              cwd: "/workspace",
+              agent: "plan",
+              model: { providerID: "test", id: secondModel.id, variant: "medium" },
+            }),
+          })
+        }
+        if (request.method === "GET" && request.path === "/api/session/ses_resume") {
+          return Response.json({
+            data: makeSession("ses_resume", {
+              cwd: "/workspace",
+              agent: "plan",
+              model: { providerID: "test", id: secondModel.id, variant: "low" },
+            }),
+          })
+        }
+        if (request.method === "POST" && request.path === "/api/session/ses_loaded/fork") {
+          return Response.json({
+            data: makeSession("ses_fork", {
+              cwd: "/workspace",
+              agent: "plan",
+              model: { providerID: "test", id: secondModel.id, variant: "medium" },
+            }),
+          })
+        }
+        if (request.method === "GET" && request.path === "/api/session/ses_loaded/message") {
+          if (request.query.cursor === "messages-2") {
+            return Response.json({
+              data: [
+                {
+                  id: "msg_assistant",
+                  type: "assistant",
+                  content: [{ type: "text", text: "hi there" }],
+                },
+              ],
+              cursor: {},
+            })
+          }
+          return Response.json({
+            data: [{ id: "msg_user", type: "user", text: "hello", time: { created: 1 } }],
+            cursor: { next: "messages-2" },
+          })
+        }
+        if (request.method === "GET" && request.path === "/api/session/ses_fork/message") {
+          return Response.json({
+            data: [{ id: "msg_fork", type: "user", text: "forked", time: { created: 2 } }],
+            cursor: {},
+          })
+        }
+        return undefined
+      },
+    })
+
+    const loaded = await fixture.service.loadSession({
+      cwd: "/ignored",
+      sessionId: "ses_loaded",
+      mcpServers: [],
+    })
+    const resumed = await fixture.service.resumeSession({
+      cwd: "/ignored",
+      sessionId: "ses_resume",
+      mcpServers: [],
+    })
+    const forked = await fixture.service.forkSession({
+      cwd: "/ignored",
+      sessionId: "ses_loaded",
+      mcpServers: [],
+    })
+
+    expect(currentValue(loaded, "model")).toBe("test/second-model")
+    expect(currentValue(loaded, "effort")).toBe("medium")
+    expect(currentValue(loaded, "mode")).toBe("plan")
+    expect(currentValue(resumed, "effort")).toBe("low")
+    expect(forked.sessionId).toBe("ses_fork")
+    expect(currentValue(forked, "effort")).toBe("medium")
+    expect(
+      fixture.updates.filter(
+        (item) =>
+          item.update.sessionUpdate === "user_message_chunk" || item.update.sessionUpdate === "agent_message_chunk",
+      ),
+    ).toEqual([
+      {
+        sessionId: "ses_loaded",
+        update: {
+          sessionUpdate: "user_message_chunk",
+          messageId: "msg_user",
+          content: { type: "text", text: "hello" },
+        },
+      },
+      {
+        sessionId: "ses_loaded",
+        update: {
+          sessionUpdate: "agent_message_chunk",
+          messageId: "msg_assistant",
+          content: { type: "text", text: "hi there" },
+        },
+      },
+      {
+        sessionId: "ses_fork",
+        update: {
+          sessionUpdate: "user_message_chunk",
+          messageId: "msg_fork",
+          content: { type: "text", text: "forked" },
+        },
+      },
+    ])
+    expect(
+      fixture.requests
+        .filter((request) => request.path.endsWith("/message"))
+        .map((request) => ({ path: request.path, query: request.query })),
+    ).toEqual([
+      {
+        path: "/api/session/ses_loaded/message",
+        query: { limit: "200", order: "asc" },
+      },
+      {
+        path: "/api/session/ses_loaded/message",
+        query: { limit: "200", cursor: "messages-2" },
+      },
+      {
+        path: "/api/session/ses_fork/message",
+        query: { limit: "200", order: "asc" },
+      },
+    ])
+    expect(fixture.requests).toContainEqual({
+      method: "POST",
+      path: "/api/session/ses_loaded/fork",
+      query: {},
+      body: {},
+    })
+  })
+
+  test("lists server-backed pages and forwards cwd and cursor", async () => {
+    const firstPage = Array.from({ length: 100 }, (_, index) =>
+      makeSession(`ses_${100 - index}`, {
+        cwd: "/workspace",
+        time: { created: index, updated: 100_000 - index },
+        title: `Session ${100 - index}`,
+      }),
+    )
+    await using fixture = makeACPFixture({
+      fetch(request) {
+        if (request.method !== "GET" || request.path !== "/api/session") return undefined
+        if (request.query.cursor === "page-2") {
+          return Response.json({
+            data: [makeSession("ses_0", { cwd: "/workspace", time: { created: 0, updated: 1 } })],
+            cursor: {},
+          })
+        }
+        return Response.json({ data: firstPage, cursor: { next: "page-2" } })
+      },
+    })
+
+    const first = await fixture.service.listSessions({ cwd: "/workspace" })
+    const second = await fixture.service.listSessions({ cwd: "/workspace", cursor: first.nextCursor })
+
+    expect(first.sessions).toHaveLength(100)
+    expect(first.sessions[0]).toEqual({
+      sessionId: "ses_100",
+      cwd: "/workspace",
+      title: "Session 100",
+      updatedAt: new Date(100_000).toISOString(),
+    })
+    expect(first.nextCursor).toBe("page-2")
+    expect(second.sessions.map((session) => session.sessionId)).toEqual(["ses_0"])
+    expect(second.nextCursor).toBeUndefined()
+    expect(
+      fixture.requests.filter((request) => request.path === "/api/session").map((request) => request.query),
+    ).toEqual([
+      { limit: "100", order: "desc", directory: "/workspace" },
+      { limit: "100", order: "desc", directory: "/workspace", cursor: "page-2" },
+    ])
+  })
+
+  test("cancel preserves the attachment while close removes it and interrupts best-effort", async () => {
+    await using fixture = makeACPFixture({
+      fetch(request) {
+        if (request.method === "POST" && request.path === "/api/session") {
+          return Response.json({ data: makeSession("ses_lifecycle") })
+        }
+        if (request.method === "POST" && request.path === "/api/session/ses_lifecycle/model") {
+          return new Response(null, { status: 204 })
+        }
+        if (request.method === "POST" && request.path.endsWith("/interrupt")) {
+          return new Response(null, { status: 500 })
+        }
+        return undefined
+      },
+    })
+    const created = await fixture.service.newSession({ cwd: "/workspace", mcpServers: [] })
+
+    await fixture.service.cancel({ sessionId: created.sessionId })
+    const updated = await fixture.service.setSessionConfigOption({
+      sessionId: created.sessionId,
+      configId: "effort",
+      value: "high",
+    })
+
+    expect(currentValue(updated, "effort")).toBe("high")
+    expect(await fixture.service.closeSession({ sessionId: created.sessionId })).toEqual({})
+    const missing = await fixture.service
+      .setSessionConfigOption({
+        sessionId: created.sessionId,
+        configId: "effort",
+        value: "default",
+      })
+      .catch((error: unknown) => error)
+    expect(missing).toMatchObject({ _tag: "ACPSessionNotFoundError", sessionId: created.sessionId })
+    expect(await fixture.service.closeSession({ sessionId: "missing" })).toEqual({})
+    expect(
+      fixture.requests.filter((request) => request.path.endsWith("/interrupt")).map((request) => request.path),
+    ).toEqual([
+      "/api/session/ses_lifecycle/interrupt",
+      "/api/session/ses_lifecycle/interrupt",
+      "/api/session/missing/interrupt",
+    ])
+  })
+})
+
+function currentValue(result: { readonly configOptions?: readonly SessionConfigOption[] | null }, id: string) {
+  return result.configOptions?.find((option) => option.id === id)?.currentValue
+}
@@ -0,0 +1,264 @@
+import { describe, expect, test } from "bun:test"
+import { makeACPFixture, makeSession, secondModel, type FixtureContext, type FixtureRequest } from "./service-fixture"
+
+describe("acp service prompt routing and usage", () => {
+  test("routes slash commands, skills, and compact through their session endpoints", async () => {
+    await using fixture = makeACPFixture({
+      fetch(request, context) {
+        if (request.method === "POST" && request.path === "/api/session") {
+          return Response.json({ data: makeSession("ses_routes") })
+        }
+        if (request.method === "GET" && request.path === "/api/session/ses_routes") {
+          return Response.json({ data: makeSession("ses_routes") })
+        }
+        if (request.method === "POST" && request.path === "/api/session/ses_routes/command") {
+          const id = requestID(request)
+          completeTurn(context, "ses_routes", {
+            id: `evt_${id}`,
+            type: "session.input.promoted",
+            data: { sessionID: "ses_routes", inputID: id },
+          })
+          return Response.json({ data: {} })
+        }
+        if (request.method === "POST" && request.path === "/api/session/ses_routes/skill") {
+          const id = requestID(request)
+          completeTurn(context, "ses_routes", {
+            id: id.replace(/^msg_/, "evt_"),
+            type: "session.skill.activated",
+            data: { sessionID: "ses_routes", skill: "verify" },
+          })
+          return new Response(null, { status: 204 })
+        }
+        if (request.method === "POST" && request.path === "/api/session/ses_routes/compact") {
+          const id = requestID(request)
+          completeTurn(context, "ses_routes", {
+            id: `evt_${id}`,
+            type: "session.compaction.admitted",
+            data: { sessionID: "ses_routes", inputID: id },
+          })
+          return Response.json({ data: {} })
+        }
+        return undefined
+      },
+    })
+    const session = await fixture.service.newSession({ cwd: "/workspace", mcpServers: [] })
+
+    const commandResult = await fixture.service.prompt({
+      sessionId: session.sessionId,
+      messageId: "client-command",
+      prompt: [{ type: "text", text: "/review now" }],
+    })
+    const skillResult = await fixture.service.prompt({
+      sessionId: session.sessionId,
+      messageId: "client-skill",
+      prompt: [{ type: "text", text: "/verify" }],
+    })
+    const compactResult = await fixture.service.prompt({
+      sessionId: session.sessionId,
+      messageId: "client-compact",
+      prompt: [{ type: "text", text: "/compact" }],
+    })
+
+    expect([commandResult.stopReason, skillResult.stopReason, compactResult.stopReason]).toEqual([
+      "end_turn",
+      "end_turn",
+      "end_turn",
+    ])
+    const command = fixture.requests.find((request) => request.path === "/api/session/ses_routes/command")
+    const skill = fixture.requests.find((request) => request.path === "/api/session/ses_routes/skill")
+    const compact = fixture.requests.find((request) => request.path === "/api/session/ses_routes/compact")
+    expect(command?.body).toMatchObject({
+      id: expect.any(String),
+      command: "review",
+      arguments: "now",
+      files: [],
+      delivery: "steer",
+    })
+    expect(skill?.body).toMatchObject({ id: expect.any(String), skill: "verify" })
+    expect(compact?.body).toMatchObject({ id: expect.any(String) })
+    expect(fixture.requests.some((request) => request.path === "/api/session/ses_routes/prompt")).toBe(false)
+  })
+
+  test("returns turn usage and publishes current context usage with cumulative session cost", async () => {
+    const assistantTokens = {
+      input: 100,
+      output: 40,
+      reasoning: 7,
+      cache: { read: 11, write: 13 },
+    }
+    await using fixture = makeACPFixture({
+      fetch(request, context) {
+        if (request.method === "POST" && request.path === "/api/session") {
+          return Response.json({ data: makeSession("ses_usage") })
+        }
+        if (request.method === "POST" && request.path === "/api/session/ses_usage/model") {
+          return new Response(null, { status: 204 })
+        }
+        if (request.method === "POST" && request.path === "/api/session/ses_usage/prompt") {
+          const id = requestID(request)
+          context.send({
+            id: `evt_${id}`,
+            type: "session.input.promoted",
+            data: { sessionID: "ses_usage", inputID: id },
+          })
+          context.send({
+            id: "evt_step",
+            type: "session.step.ended",
+            data: {
+              sessionID: "ses_usage",
+              assistantMessageID: "msg_assistant",
+              finish: "stop",
+              cost: 0.5,
+              tokens: assistantTokens,
+            },
+          })
+          context.send({
+            id: "evt_done",
+            type: "session.execution.succeeded",
+            data: { sessionID: "ses_usage" },
+          })
+          return Response.json({ data: {} })
+        }
+        if (request.method === "GET" && request.path === "/api/session/ses_usage/message/msg_assistant") {
+          return Response.json({
+            data: {
+              id: "msg_assistant",
+              type: "assistant",
+              agent: "build",
+              model: { providerID: "test", id: secondModel.id },
+              content: [{ type: "text", text: "done" }],
+              finish: "stop",
+              tokens: assistantTokens,
+              time: { created: 1, completed: 2 },
+            },
+          })
+        }
+        if (request.method === "GET" && request.path === "/api/session/ses_usage") {
+          return Response.json({
+            data: makeSession("ses_usage", {
+              model: { providerID: "test", id: secondModel.id },
+              cost: 3.5,
+              tokens: { input: 120, output: 50, reasoning: 8, cache: { read: 30, write: 4 } },
+            }),
+          })
+        }
+        return undefined
+      },
+    })
+    const session = await fixture.service.newSession({ cwd: "/workspace", mcpServers: [] })
+    await fixture.service.setSessionConfigOption({
+      sessionId: session.sessionId,
+      configId: "model",
+      value: "test/second-model",
+    })
+
+    const response = await fixture.service.prompt({
+      sessionId: session.sessionId,
+      messageId: "client-message",
+      prompt: [{ type: "text", text: "hello" }],
+    })
+
+    expect(response).toEqual({
+      stopReason: "end_turn",
+      userMessageId: "client-message",
+      usage: {
+        inputTokens: 100,
+        outputTokens: 40,
+        thoughtTokens: 7,
+        cachedReadTokens: 11,
+        cachedWriteTokens: 13,
+        totalTokens: 171,
+      },
+      _meta: {},
+    })
+    expect(fixture.updates.filter((item) => item.update.sessionUpdate === "usage_update")).toEqual([
+      {
+        sessionId: "ses_usage",
+        update: {
+          sessionUpdate: "usage_update",
+          used: 171,
+          size: 200_000,
+          cost: { amount: 3.5, currency: "USD" },
+        },
+      },
+    ])
+  })
+
+  test("does not fail a completed prompt when the usage refresh fails", async () => {
+    await using fixture = makeACPFixture({
+      fetch(request, context) {
+        if (request.method === "POST" && request.path === "/api/session") {
+          return Response.json({ data: makeSession("ses_usage_failure") })
+        }
+        if (request.method === "POST" && request.path === "/api/session/ses_usage_failure/prompt") {
+          const id = requestID(request)
+          context.send({
+            id: `evt_${id}`,
+            type: "session.input.promoted",
+            data: { sessionID: "ses_usage_failure", inputID: id },
+          })
+          context.send({
+            id: "evt_step_failure",
+            type: "session.step.ended",
+            data: {
+              sessionID: "ses_usage_failure",
+              assistantMessageID: "msg_usage_failure",
+              finish: "stop",
+              cost: 0,
+              tokens: { input: 3, output: 2, reasoning: 0, cache: { read: 0, write: 0 } },
+            },
+          })
+          context.send({
+            id: "evt_done_failure",
+            type: "session.execution.succeeded",
+            data: { sessionID: "ses_usage_failure" },
+          })
+          return Response.json({ data: {} })
+        }
+        if (request.method === "GET" && request.path === "/api/session/ses_usage_failure/message/msg_usage_failure") {
+          return Response.json({
+            data: {
+              id: "msg_usage_failure",
+              type: "assistant",
+              agent: "build",
+              model: { providerID: "test", id: "test-model" },
+              content: [],
+              finish: "stop",
+              tokens: { input: 3, output: 2, reasoning: 0, cache: { read: 0, write: 0 } },
+              time: { created: 1, completed: 2 },
+            },
+          })
+        }
+        if (request.method === "GET" && request.path === "/api/session/ses_usage_failure") {
+          return new Response(null, { status: 500 })
+        }
+        return undefined
+      },
+    })
+    const session = await fixture.service.newSession({ cwd: "/workspace", mcpServers: [] })
+
+    const response = await fixture.service.prompt({
+      sessionId: session.sessionId,
+      prompt: [{ type: "text", text: "hello" }],
+    })
+
+    expect(response.stopReason).toBe("end_turn")
+    expect(fixture.updates.some((item) => item.update.sessionUpdate === "usage_update")).toBe(false)
+  })
+})
+
+function requestID(request: FixtureRequest) {
+  if (!request.body || typeof request.body !== "object") throw new Error(`missing body for ${request.path}`)
+  const id = Reflect.get(request.body, "id")
+  if (typeof id !== "string") throw new Error(`missing prompt id for ${request.path}`)
+  return id
+}
+
+function completeTurn(context: FixtureContext, sessionID: string, start: unknown) {
+  context.send(start)
+  context.send({
+    id: `evt_done_${sessionID}`,
+    type: "session.execution.succeeded",
+    data: { sessionID },
+  })
+}
@@ -0,0 +1,110 @@
+import { describe, expect, test } from "bun:test"
+import type { AgentSideConnection } from "@agentclientprotocol/sdk"
+import { OpenCode } from "@opencode-ai/client/promise"
+import { ACPService } from "../../src/acp/service"
+
+describe("acp service", () => {
+  test("creates a v2 session, registers mcp, and publishes commands", async () => {
+    const requests: Array<{ method: string; path: string; body?: unknown }> = []
+    const updates: Parameters<AgentSideConnection["sessionUpdate"]>[0][] = []
+    const server = Bun.serve({
+      port: 0,
+      async fetch(request) {
+        const url = new URL(request.url)
+        requests.push({
+          method: request.method,
+          path: url.pathname,
+          body: request.method === "GET" ? undefined : await request.json().catch(() => undefined),
+        })
+        const location = { directory: "/workspace", project: { id: "global", directory: "/workspace" } }
+        if (url.pathname === "/api/model") return Response.json({ location, data: [model] })
+        if (url.pathname === "/api/model/default") return Response.json({ location, data: model })
+        if (url.pathname === "/api/agent") return Response.json({ location, data: [agent] })
+        if (url.pathname === "/api/command")
+          return Response.json({ location, data: [{ name: "review", template: "" }] })
+        if (url.pathname === "/api/skill") return Response.json({ location, data: [skill] })
+        if (url.pathname === "/api/session" && request.method === "POST") return Response.json({ data: session })
+        if (url.pathname === "/api/mcp/docs" && request.method === "PUT") return new Response(null, { status: 204 })
+        return new Response(null, { status: 404 })
+      },
+    })
+    const service = ACPService.make({
+      client: OpenCode.make({ baseUrl: server.url.toString() }),
+      connection: {
+        sessionUpdate: async (update) => {
+          updates.push(update)
+        },
+        requestPermission: async () => ({ outcome: { outcome: "cancelled" } }),
+      },
+    })
+
+    try {
+      const result = await service.newSession({
+        cwd: "/workspace",
+        mcpServers: [{ name: "docs", command: "bun", args: ["docs.ts"], env: [{ name: "TOKEN", value: "x" }] }],
+      })
+      expect(result.sessionId).toBe("ses_acp")
+      expect(result.configOptions?.map((option) => option.id)).toEqual(["model", "effort", "mode"])
+      expect(requests).toContainEqual({
+        method: "PUT",
+        path: "/api/mcp/docs",
+        body: {
+          config: { type: "local", command: ["bun", "docs.ts"], environment: { TOKEN: "x" } },
+        },
+      })
+      expect(updates.at(-1)).toMatchObject({
+        sessionId: "ses_acp",
+        update: {
+          sessionUpdate: "available_commands_update",
+          availableCommands: [{ name: "review" }, { name: "verify", description: "Verify work" }],
+        },
+      })
+    } finally {
+      await server.stop(true)
+    }
+  })
+})
+
+const model = {
+  id: "test-model",
+  modelID: "test-model",
+  providerID: "test",
+  name: "Test Model",
+  capabilities: { tools: true, input: ["text"], output: ["text"] },
+  variants: [{ id: "default" }, { id: "high" }],
+  time: { released: 0 },
+  cost: [],
+  status: "active" as const,
+  enabled: true,
+  limit: { context: 100_000, output: 10_000 },
+}
+
+const agent = {
+  id: "build",
+  name: "Build",
+  request: { settings: {}, headers: {}, body: {} },
+  mode: "primary" as const,
+  hidden: false,
+  permissions: [],
+}
+
+const skill = {
+  id: "verify",
+  name: "verify",
+  description: "Verify work",
+  slash: true,
+  location: "/skills/verify.md",
+  content: "verify",
+}
+
+const session = {
+  id: "ses_acp",
+  projectID: "global",
+  agent: "build",
+  model: { providerID: "test", id: "test-model", variant: "default" },
+  cost: 0,
+  tokens: { input: 0, output: 0, reasoning: 0, cache: { read: 0, write: 0 } },
+  time: { created: 0, updated: 0 },
+  title: "New session",
+  location: { directory: "/workspace" },
+}
@@ -0,0 +1,24 @@
+import type { SessionNotification } from "@agentclientprotocol/sdk"
+import { describe, expect, test } from "bun:test"
+import { createAcpFixture, initialize, newSession, verifierSkill } from "./subprocess"
+
+describe("acp skills subprocess", () => {
+  test("skill slash command appears through available_commands_update", async () => {
+    await using fixture = await createAcpFixture({ skill: verifierSkill })
+    const acp = fixture.spawn()
+    await initialize(acp)
+    const session = await newSession(acp, fixture.home)
+
+    const update = await acp.waitForNotification<SessionNotification>(
+      "session/update",
+      (params) =>
+        params.sessionId === session.sessionId &&
+        params.update.sessionUpdate === "available_commands_update" &&
+        params.update.availableCommands.some(
+          (command) => command.name === "verifier-skill" && command.description.length > 0,
+        ),
+    )
+
+    expect(update.params.sessionId).toBe(session.sessionId)
+  }, 60_000)
+})
@@ -0,0 +1,207 @@
+import { OpenCode, type OpenCodeEvent, type SessionMessageInfo } from "@opencode-ai/client/promise"
+
+type DurableEvent = Extract<OpenCodeEvent, { durable: unknown }>
+type EphemeralEvent = Exclude<OpenCodeEvent, DurableEvent>
+
+type RequestRecord = {
+  readonly method: string
+  readonly path: string
+  readonly body?: unknown
+}
+
+type FixtureOptions = {
+  readonly onPrompt?: (input: {
+    readonly sessionID: string
+    readonly id: string
+    readonly body: unknown
+    readonly signal: AbortSignal
+    readonly send: (event: unknown) => void
+  }) => void | Promise<void>
+  readonly onInterrupt?: (input: {
+    readonly sessionID: string
+    readonly send: (event: unknown) => void
+  }) => void | Promise<void>
+  readonly onPermissionReply?: (input: {
+    readonly sessionID: string
+    readonly requestID: string
+    readonly reply: string
+    readonly body: unknown
+    readonly send: (event: unknown) => void
+  }) => void | Promise<void>
+  readonly onFormCancel?: (input: {
+    readonly sessionID: string
+    readonly formID: string
+    readonly send: (event: unknown) => void
+  }) => void | Promise<void>
+}
+
+const ids = { next: 0 }
+
+export function durableEvent<Type extends DurableEvent["type"]>(
+  type: Type,
+  data: Extract<DurableEvent, { type: Type }>["data"],
+) {
+  ids.next++
+  return {
+    id: `evt_${ids.next}`,
+    created: ids.next,
+    type,
+    durable: { aggregateID: "test", seq: ids.next, version: 1 },
+    data,
+  }
+}
+
+export function ephemeralEvent<Type extends EphemeralEvent["type"]>(
+  type: Type,
+  data: Extract<EphemeralEvent, { type: Type }>["data"],
+) {
+  ids.next++
+  return { id: `evt_${ids.next}`, created: ids.next, type, data }
+}
+
+export function createSseFixture(options: FixtureOptions = {}) {
+  const encoder = new TextEncoder()
+  const streams = new Set<ReadableStreamDefaultController<Uint8Array>>()
+  const requests: RequestRecord[] = []
+  const messages = new Map<string, SessionMessageInfo>()
+
+  const send = (event: unknown) => {
+    for (const stream of streams) {
+      try {
+        stream.enqueue(encoder.encode(`data: ${JSON.stringify(event)}\n\n`))
+      } catch {
+        streams.delete(stream)
+      }
+    }
+  }
+
+  const server = Bun.serve({
+    port: 0,
+    async fetch(request) {
+      const url = new URL(request.url)
+      const body = request.method === "GET" ? undefined : await request.json().catch(() => undefined)
+      requests.push({ method: request.method, path: url.pathname, ...(body === undefined ? {} : { body }) })
+
+      if (url.pathname === "/api/event") {
+        const state: { stream?: ReadableStreamDefaultController<Uint8Array> } = {}
+        return new Response(
+          new ReadableStream<Uint8Array>({
+            start(stream) {
+              state.stream = stream
+              streams.add(stream)
+              stream.enqueue(
+                encoder.encode(
+                  `data: ${JSON.stringify({ id: "evt_connected", type: "server.connected", data: {} })}\n\n`,
+                ),
+              )
+            },
+            cancel() {
+              if (state.stream) streams.delete(state.stream)
+            },
+          }),
+          { headers: { "content-type": "text/event-stream" } },
+        )
+      }
+
+      const prompt = /^\/api\/session\/([^/]+)\/prompt$/.exec(url.pathname)
+      if (prompt?.[1]) {
+        const id = stringField(body, "id")
+        if (!id) return new Response(null, { status: 400 })
+        await options.onPrompt?.({
+          sessionID: decodeURIComponent(prompt[1]),
+          id,
+          body,
+          signal: request.signal,
+          send,
+        })
+        return Response.json({ data: { text: stringField(body, "text") ?? "" } })
+      }
+
+      const message = /^\/api\/session\/([^/]+)\/message\/([^/]+)$/.exec(url.pathname)
+      if (message?.[1] && message[2]) {
+        const sessionID = decodeURIComponent(message[1])
+        const messageID = decodeURIComponent(message[2])
+        return Response.json({
+          data: messages.get(`${sessionID}/${messageID}`) ?? messages.get(messageID) ?? assistantMessage(messageID),
+        })
+      }
+
+      const permission = /^\/api\/session\/([^/]+)\/permission\/([^/]+)\/reply$/.exec(url.pathname)
+      if (permission?.[1] && permission[2]) {
+        const reply = stringField(body, "reply")
+        if (!reply) return new Response(null, { status: 400 })
+        await options.onPermissionReply?.({
+          sessionID: decodeURIComponent(permission[1]),
+          requestID: decodeURIComponent(permission[2]),
+          reply,
+          body,
+          send,
+        })
+        return new Response(null, { status: 204 })
+      }
+
+      const form = /^\/api\/session\/([^/]+)\/form\/([^/]+)\/cancel$/.exec(url.pathname)
+      if (form?.[1] && form[2]) {
+        await options.onFormCancel?.({
+          sessionID: decodeURIComponent(form[1]),
+          formID: decodeURIComponent(form[2]),
+          send,
+        })
+        return new Response(null, { status: 204 })
+      }
+
+      const interrupt = /^\/api\/session\/([^/]+)\/interrupt$/.exec(url.pathname)
+      if (interrupt?.[1]) {
+        await options.onInterrupt?.({ sessionID: decodeURIComponent(interrupt[1]), send })
+        return new Response(null, { status: 204 })
+      }
+
+      return new Response(null, { status: 404 })
+    },
+  })
+
+  return {
+    client: OpenCode.make({ baseUrl: server.url.toString() }),
+    messages,
+    requests,
+    send,
+    async stop() {
+      for (const stream of streams) {
+        try {
+          stream.close()
+        } catch {}
+      }
+      streams.clear()
+      await server.stop(true)
+    },
+  }
+}
+
+export async function withTimeout<Value>(promise: Promise<Value>, message: string, milliseconds = 2_000) {
+  const timeout = Promise.withResolvers<never>()
+  const timer = setTimeout(() => timeout.reject(new Error(message)), milliseconds)
+  try {
+    return await Promise.race([promise, timeout.promise])
+  } finally {
+    clearTimeout(timer)
+  }
+}
+
+function stringField(value: unknown, key: string) {
+  if (!value || typeof value !== "object") return undefined
+  const field = Reflect.get(value, key)
+  return typeof field === "string" ? field : undefined
+}
+
+function assistantMessage(id: string) {
+  return {
+    id,
+    type: "assistant",
+    agent: "build",
+    model: { providerID: "test", id: "test-model" },
+    content: [],
+    finish: "stop",
+    tokens: { input: 1, output: 1, reasoning: 0, cache: { read: 0, write: 0 } },
+    time: { created: 1, completed: 2 },
+  } satisfies SessionMessageInfo
+}
@@ -0,0 +1,384 @@
+import type {
+  InitializeResponse,
+  NewSessionResponse,
+  SessionConfigOption,
+  SessionConfigSelectOption,
+} from "@agentclientprotocol/sdk"
+import fs from "node:fs/promises"
+import os from "node:os"
+import path from "node:path"
+
+type JsonRpcRequest = {
+  readonly jsonrpc: "2.0"
+  readonly id: number
+  readonly method: string
+  readonly params?: unknown
+}
+
+export type JsonRpcError = {
+  readonly code: number
+  readonly message?: string
+  readonly data?: unknown
+}
+
+export type JsonRpcResponse<T> = {
+  readonly jsonrpc: "2.0"
+  readonly id: number
+  readonly result?: T
+  readonly error?: JsonRpcError
+}
+
+type JsonRpcNotification<T> = {
+  readonly jsonrpc: "2.0"
+  readonly method: string
+  readonly params: T
+}
+
+type JsonRpcMessage = Record<string, unknown>
+
+type Waiter = {
+  readonly predicate: (message: JsonRpcMessage) => boolean
+  readonly resolve: (message: JsonRpcMessage) => void
+  readonly reject: (error: Error) => void
+  readonly timer: ReturnType<typeof setTimeout>
+}
+
+export type AcpProcess = {
+  readonly request: <T>(method: string, params?: unknown) => Promise<JsonRpcResponse<T>>
+  readonly waitForNotification: <T>(
+    method: string,
+    predicate: (params: T) => boolean,
+    timeoutMs?: number,
+  ) => Promise<JsonRpcNotification<T>>
+  readonly close: () => Promise<number>
+  readonly stderr: () => string
+  readonly [Symbol.asyncDispose]: () => Promise<void>
+}
+
+export const verifierSkill = `---
+name: verifier-skill
+description: Verifier compatibility skill.
+---
+
+# Verifier Skill
+`
+
+export async function createAcpFixture(options: { readonly skill?: string } = {}) {
+  const root = await fs.mkdtemp(path.join(os.tmpdir(), "opencode-cli-acp-"))
+  const home = path.join(root, "workspace")
+  const config = path.join(root, "config")
+  const skills = path.join(root, "skills")
+  await Promise.all([fs.mkdir(home, { recursive: true }), fs.mkdir(config, { recursive: true })])
+  if (options.skill) {
+    await fs.mkdir(path.join(skills, "verifier-skill"), { recursive: true })
+    await Bun.write(path.join(skills, "verifier-skill", "SKILL.md"), options.skill)
+  }
+
+  const requests: unknown[] = []
+  const llm = Bun.serve({
+    hostname: "127.0.0.1",
+    port: 0,
+    async fetch(request) {
+      if (request.method !== "POST" || new URL(request.url).pathname !== "/v1/chat/completions") {
+        return new Response("Not found", { status: 404 })
+      }
+      requests.push(await request.json().catch(() => undefined))
+      return new Response(completion("accepted"), {
+        headers: { "content-type": "text/event-stream" },
+      })
+    },
+  })
+  await Bun.write(
+    path.join(config, "opencode.json"),
+    JSON.stringify(verifierConfig(`http://127.0.0.1:${llm.port}/v1`, options.skill ? skills : undefined)),
+  )
+
+  const processes = new Set<AcpProcess>()
+  return {
+    root,
+    home,
+    llm: { requests },
+    spawn(extraEnv: Record<string, string | undefined> = {}) {
+      const acp = spawnAcp({
+        env: {
+          ...process.env,
+          HOME: root,
+          USERPROFILE: root,
+          OPENCODE_CONFIG: undefined,
+          OPENCODE_CONFIG_CONTENT: undefined,
+          OPENCODE_CONFIG_DIR: config,
+          OPENCODE_DB: path.join(root, "opencode.db"),
+          OPENCODE_DISABLE_AUTOUPDATE: "true",
+          OPENCODE_DISABLE_FILEWATCHER: "true",
+          OPENCODE_DISABLE_MODELS_FETCH: "true",
+          OPENCODE_MODELS_PATH: undefined,
+          OPENCODE_TEST_HOME: root,
+          XDG_CACHE_HOME: path.join(root, "cache"),
+          XDG_CONFIG_HOME: path.join(root, "xdg-config"),
+          XDG_DATA_HOME: path.join(root, "data"),
+          XDG_STATE_HOME: path.join(root, "state"),
+          ...extraEnv,
+        },
+      })
+      processes.add(acp)
+      return acp
+    },
+    async [Symbol.asyncDispose]() {
+      await Promise.all([...processes].map((process) => process[Symbol.asyncDispose]()))
+      await llm.stop(true)
+      await fs.rm(root, { recursive: true, force: true, maxRetries: 5, retryDelay: 100 })
+    },
+  }
+}
+
+export function initialize(acp: AcpProcess) {
+  return acp
+    .request<InitializeResponse>("initialize", {
+      protocolVersion: 1,
+      clientCapabilities: { _meta: { "terminal-auth": true } },
+      clientInfo: { name: "opencode-local-acp", version: "0.1.0" },
+    })
+    .then(expectOk)
+}
+
+export function newSession(acp: AcpProcess, cwd: string) {
+  return acp.request<NewSessionResponse>("session/new", { cwd, mcpServers: [] }).then(expectOk)
+}
+
+export function expectOk<T>(response: JsonRpcResponse<T>) {
+  if (response.error) throw new Error(`ACP request failed: ${JSON.stringify(response.error)}`)
+  if (response.result === undefined) throw new Error("ACP response did not include a result")
+  return response.result
+}
+
+export function selectConfigOption(options: SessionConfigOption[] | null | undefined, id: string) {
+  return options?.find(
+    (option): option is Extract<SessionConfigOption, { type: "select" }> =>
+      option.id === id && option.type === "select",
+  )
+}
+
+export function requireSelectOption(options: SessionConfigOption[] | null | undefined, id: string) {
+  const option = selectConfigOption(options, id)
+  if (!option) throw new Error(`Missing ACP config option: ${id}`)
+  return option
+}
+
+export function flattenSelectOptions(option: Extract<SessionConfigOption, { type: "select" }>) {
+  return option.options.flatMap((item): SessionConfigSelectOption[] => ("value" in item ? [item] : item.options))
+}
+
+export function alternateValue(option: Extract<SessionConfigOption, { type: "select" }>) {
+  const value = flattenSelectOptions(option).find((item) => item.value !== option.currentValue)?.value
+  if (!value) throw new Error(`ACP config option ${option.id} has no alternate value`)
+  return value
+}
+
+function verifierConfig(llmUrl: string, skills?: string) {
+  const model = {
+    capabilities: { tools: true, input: ["text", "image"], output: ["text"] },
+    cost: { input: 0, output: 0 },
+    limit: { context: 100_000, output: 10_000 },
+  }
+  return {
+    autoupdate: false,
+    model: "test/test-model",
+    ...(skills ? { skills: [skills] } : {}),
+    providers: {
+      test: {
+        name: "Test",
+        package: "aisdk:@ai-sdk/openai-compatible",
+        settings: { apiKey: "test-key", baseURL: llmUrl },
+        models: {
+          "test-model": {
+            ...model,
+            name: "Test Model",
+            variants: [{ id: "low" }, { id: "high" }],
+          },
+          "second-model": {
+            ...model,
+            name: "Second Test Model",
+            variants: [{ id: "medium" }, { id: "max" }],
+          },
+        },
+      },
+    },
+  }
+}
+
+function spawnAcp(input: { readonly env: Record<string, string | undefined> }): AcpProcess {
+  const child = Bun.spawn([process.execPath, "run", "src/index.ts", "acp"], {
+    cwd: path.join(import.meta.dir, "../.."),
+    env: input.env,
+    stdin: "pipe",
+    stdout: "pipe",
+    stderr: "pipe",
+  })
+  const encoder = new TextEncoder()
+  const decoder = new TextDecoder()
+  const errorDecoder = new TextDecoder()
+  const messages: JsonRpcMessage[] = []
+  const waiters: Waiter[] = []
+  let nextID = 1
+  let failure: Error | undefined
+  let stderr = ""
+  let inputClosed = false
+  let disposed = false
+
+  const fail = (error: Error) => {
+    if (failure) return
+    failure = error
+    waiters.splice(0).forEach((waiter) => {
+      clearTimeout(waiter.timer)
+      waiter.reject(error)
+    })
+  }
+
+  const dispatch = (message: JsonRpcMessage) => {
+    const index = waiters.findIndex((waiter) => waiter.predicate(message))
+    if (index === -1) {
+      messages.push(message)
+      return
+    }
+    const waiter = waiters.splice(index, 1)[0]
+    clearTimeout(waiter.timer)
+    waiter.resolve(message)
+  }
+
+  const output = (async () => {
+    const reader = child.stdout.getReader()
+    let buffered = ""
+    while (true) {
+      const chunk = await reader.read()
+      if (chunk.done) break
+      buffered += decoder.decode(chunk.value, { stream: true })
+      while (true) {
+        const newline = buffered.indexOf("\n")
+        if (newline === -1) break
+        const line = buffered.slice(0, newline).trim()
+        buffered = buffered.slice(newline + 1)
+        if (line) dispatch(parseMessage(line))
+      }
+    }
+    buffered += decoder.decode()
+    if (buffered.trim()) dispatch(parseMessage(buffered.trim()))
+    fail(new Error(`ACP exited before another response${stderr ? `: ${stderr}` : ""}`))
+  })().catch((error) => fail(asError(error)))
+
+  const errors = (async () => {
+    const reader = child.stderr.getReader()
+    while (true) {
+      const chunk = await reader.read()
+      if (chunk.done) break
+      stderr += errorDecoder.decode(chunk.value, { stream: true })
+    }
+    stderr += errorDecoder.decode()
+  })()
+
+  const take = (predicate: (message: JsonRpcMessage) => boolean, timeoutMs: number, description: string) => {
+    const index = messages.findIndex(predicate)
+    if (index !== -1) return Promise.resolve(messages.splice(index, 1)[0])
+    if (failure) return Promise.reject(failure)
+    return new Promise<JsonRpcMessage>((resolve, reject) => {
+      const waiter: Waiter = {
+        predicate,
+        resolve,
+        reject,
+        timer: setTimeout(() => {
+          const index = waiters.indexOf(waiter)
+          if (index !== -1) waiters.splice(index, 1)
+          reject(new Error(`Timed out waiting for ${description}${stderr ? `: ${stderr}` : ""}`))
+        }, timeoutMs),
+      }
+      waiters.push(waiter)
+    })
+  }
+
+  return {
+    async request<T>(method: string, params?: unknown) {
+      if (inputClosed) throw new Error("ACP stdin is closed")
+      const id = nextID++
+      const request: JsonRpcRequest =
+        params === undefined ? { jsonrpc: "2.0", id, method } : { jsonrpc: "2.0", id, method, params }
+      await child.stdin.write(encoder.encode(`${JSON.stringify(request)}\n`))
+      await child.stdin.flush()
+      const response = await take((message) => isResponse(message) && message.id === id, 20_000, `${method} response`)
+      if (!isResponse<T>(response)) throw new Error(`Invalid ACP response: ${JSON.stringify(response)}`)
+      return response
+    },
+    async waitForNotification<T>(method: string, predicate: (params: T) => boolean, timeoutMs = 20_000) {
+      const notification = await take(
+        (message) => isNotification<T>(message) && message.method === method && predicate(message.params),
+        timeoutMs,
+        `${method} notification`,
+      )
+      if (!isNotification<T>(notification)) {
+        throw new Error(`Invalid ACP notification: ${JSON.stringify(notification)}`)
+      }
+      return notification
+    },
+    async close() {
+      if (!inputClosed) {
+        inputClosed = true
+        await child.stdin.end()
+      }
+      const exitCode = await withTimeout(child.exited, 5_000, "ACP did not exit after stdin EOF")
+      await Promise.all([output, errors])
+      if (exitCode !== 0) throw new Error(`ACP exited with ${exitCode}: ${stderr}`)
+      return exitCode
+    },
+    stderr: () => stderr,
+    async [Symbol.asyncDispose]() {
+      if (disposed) return
+      disposed = true
+      if (child.exitCode === null) child.kill("SIGKILL")
+      await child.exited
+      await Promise.all([output, errors])
+    },
+  }
+}
+
+function parseMessage(line: string): JsonRpcMessage {
+  const message: unknown = JSON.parse(line)
+  if (!isJsonRpcMessage(message)) throw new Error(`Invalid ACP message: ${line}`)
+  return message
+}
+
+function isJsonRpcMessage(message: unknown): message is JsonRpcMessage {
+  return !!message && typeof message === "object" && !Array.isArray(message)
+}
+
+function isResponse<T>(message: JsonRpcMessage): message is JsonRpcMessage & JsonRpcResponse<T> {
+  return message.jsonrpc === "2.0" && typeof message.id === "number" && !("method" in message)
+}
+
+function isNotification<T>(message: JsonRpcMessage): message is JsonRpcMessage & JsonRpcNotification<T> {
+  return message.jsonrpc === "2.0" && typeof message.method === "string" && !("id" in message)
+}
+
+function asError(error: unknown) {
+  return error instanceof Error ? error : new Error(String(error))
+}
+
+function withTimeout<T>(promise: Promise<T>, timeoutMs: number, message: string) {
+  let timer: ReturnType<typeof setTimeout> | undefined
+  return Promise.race([
+    promise,
+    new Promise<T>((_, reject) => {
+      timer = setTimeout(() => reject(new Error(message)), timeoutMs)
+    }),
+  ]).finally(() => clearTimeout(timer))
+}
+
+function completion(text: string) {
+  const chunks = [
+    { choices: [{ delta: { role: "assistant" }, finish_reason: null }], usage: null },
+    { choices: [{ delta: { content: text }, finish_reason: null }], usage: null },
+    { choices: [{ delta: {}, finish_reason: "stop" }], usage: null },
+    {
+      choices: [],
+      usage: { prompt_tokens: 10, completion_tokens: 1, total_tokens: 11 },
+    },
+  ]
+  return `${chunks.map((chunk) => `data: ${JSON.stringify(chunk)}\n\n`).join("")}data: [DONE]\n\n`
+}
@@ -0,0 +1,292 @@
+import { resolve } from "node:path"
+import { describe, expect, test } from "bun:test"
+import {
+  completedToolUpdate,
+  errorToolUpdate,
+  pendingToolCall,
+  runningToolUpdate,
+  toLocations,
+  toToolKind,
+} from "../../src/acp/tool"
+
+describe("acp tools", () => {
+  test("maps OpenCode tool ids to ACP tool kinds", () => {
+    expect(toToolKind("bash")).toBe("execute")
+    expect(toToolKind("shell")).toBe("execute")
+    expect(toToolKind("webfetch")).toBe("fetch")
+    expect(toToolKind("edit")).toBe("edit")
+    expect(toToolKind("apply_patch")).toBe("edit")
+    expect(toToolKind("patch")).toBe("edit")
+    expect(toToolKind("write")).toBe("edit")
+    expect(toToolKind("grep")).toBe("search")
+    expect(toToolKind("glob")).toBe("search")
+    expect(toToolKind("context7_resolve_library_id")).toBe("search")
+    expect(toToolKind("context7_get_library_docs")).toBe("search")
+    expect(toToolKind("read")).toBe("read")
+    expect(toToolKind("task")).toBe("think")
+    expect(toToolKind("custom_tool")).toBe("other")
+  })
+
+  test("extracts file locations from tool input", () => {
+    expect(toLocations("read", { filePath: "/tmp/a.ts" })).toEqual([{ path: "/tmp/a.ts" }])
+    expect(toLocations("edit", { filePath: "/tmp/b.ts" })).toEqual([{ path: "/tmp/b.ts" }])
+    expect(toLocations("write", { filePath: "/tmp/c.ts" })).toEqual([{ path: "/tmp/c.ts" }])
+    expect(toLocations("grep", { path: "/repo/src" })).toEqual([{ path: "/repo/src" }])
+    expect(toLocations("glob", { path: "/repo/test" })).toEqual([{ path: "/repo/test" }])
+    expect(toLocations("context7_get_library_docs", { path: "/docs" })).toEqual([{ path: "/docs" }])
+    expect(toLocations("external_directory", { directories: ["/tmp/outside"], patterns: ["/tmp/outside/*"] })).toEqual([
+      { path: "/tmp/outside" },
+    ])
+    expect(toLocations("bash", { cmd: "pwd" }, "/workspace")).toEqual([{ path: "/workspace" }])
+    expect(toLocations("bash", { command: "pwd", workdir: "subdir" }, "/workspace")).toEqual([
+      { path: resolve("/workspace", "subdir") },
+    ])
+    expect(toLocations("bash", { command: "pwd", workdir: "/abs/dir" }, "/workspace")).toEqual([{ path: "/abs/dir" }])
+    expect(toLocations("bash", { command: "printf hello" })).toEqual([])
+    expect(toLocations("read", { path: "/tmp/missing-file-path.ts" })).toEqual([])
+  })
+
+  test("builds completed content with text and image attachments", () => {
+    const image = Buffer.from("image-data").toString("base64")
+
+    expect(
+      completedToolUpdate({
+        toolCallId: "tool-1",
+        toolName: "edit",
+        input: {
+          filePath: "/tmp/file.ts",
+          oldString: "before",
+          newString: "after",
+        },
+        content: [
+          { type: "text", text: "edited /tmp/file.ts" },
+          { type: "file", mime: "image/png", name: "image.png", uri: `data:image/png;base64,${image}` },
+          { type: "file", mime: "text/plain", name: "note.txt", uri: "data:text/plain;base64,bm90ZQ==" },
+        ],
+        structured: {},
+      }).content,
+    ).toEqual([
+      {
+        type: "content",
+        content: { type: "text", text: "edited /tmp/file.ts" },
+      },
+      {
+        type: "diff",
+        path: "/tmp/file.ts",
+        oldText: "before",
+        newText: "after",
+      },
+      {
+        type: "content",
+        content: { type: "image", mimeType: "image/png", data: image },
+      },
+    ])
+  })
+
+  test("omits edit diffs when normalized content does not contain one", () => {
+    expect(
+      completedToolUpdate({
+        toolCallId: "tool-1",
+        toolName: "write",
+        input: {
+          filePath: "/tmp/file.ts",
+          content: "created",
+        },
+        content: [{ type: "text", text: "wrote /tmp/file.ts" }],
+        structured: {},
+      }).content,
+    ).toEqual([
+      {
+        type: "content",
+        content: { type: "text", text: "wrote /tmp/file.ts" },
+      },
+    ])
+  })
+
+  test("uses clean structured read content instead of model-facing formatting", () => {
+    expect(
+      completedToolUpdate({
+        toolCallId: "tool-read",
+        toolName: "read",
+        input: { path: "/tmp/file.ts" },
+        content: [{ type: "text", text: "<content>1: first\n2: second</content>" }],
+        structured: {
+          type: "text-page",
+          content: "first\nsecond",
+          mime: "text/plain",
+          offset: 1,
+          truncated: false,
+        },
+      }).content,
+    ).toEqual([{ type: "content", content: { type: "text", text: "first\nsecond" } }])
+
+    expect(
+      completedToolUpdate({
+        toolCallId: "tool-list",
+        toolName: "read",
+        input: { path: "/tmp" },
+        content: [],
+        structured: {
+          entries: [
+            { path: "a.ts", type: "file" },
+            { path: "src", type: "directory" },
+          ],
+        },
+      }).content,
+    ).toEqual([{ type: "content", content: { type: "text", text: "a.ts\nsrc" } }])
+  })
+
+  test("sends completed tool calls as partial updates", () => {
+    expect(
+      pendingToolCall({
+        toolCallId: "tool-1",
+        toolName: "edit",
+        state: {
+          input: {
+            filePath: "/tmp/file.ts",
+            oldString: "before",
+            newString: "after",
+          },
+        },
+      }),
+    ).toMatchObject({
+      toolCallId: "tool-1",
+      status: "pending",
+      kind: "edit",
+      locations: [{ path: "/tmp/file.ts" }],
+      rawInput: {
+        filePath: "/tmp/file.ts",
+        oldString: "before",
+        newString: "after",
+      },
+    })
+
+    expect(
+      completedToolUpdate({
+        toolCallId: "tool-1",
+        toolName: "edit",
+        input: {
+          filePath: "/tmp/file.ts",
+          oldString: "before",
+          newString: "after",
+        },
+        content: [{ type: "text", text: "Edit applied successfully." }],
+        structured: { output: "Edit applied successfully." },
+      }),
+    ).toEqual({
+      toolCallId: "tool-1",
+      status: "completed",
+      content: [
+        {
+          type: "content",
+          content: { type: "text", text: "Edit applied successfully." },
+        },
+        {
+          type: "diff",
+          path: "/tmp/file.ts",
+          oldText: "before",
+          newText: "after",
+        },
+      ],
+      rawOutput: {
+        structured: { output: "Edit applied successfully." },
+      },
+    })
+  })
+
+  test("builds running tool updates with normalized content", () => {
+    expect(
+      runningToolUpdate({
+        toolCallId: "call",
+        toolName: "read",
+        state: { input: { filePath: "/tmp/a" } },
+        content: [{ type: "text", text: "done" }],
+      }),
+    ).toMatchObject({
+      toolCallId: "call",
+      status: "in_progress",
+      content: [{ type: "content", content: { type: "text", text: "done" } }],
+    })
+  })
+
+  test("builds completed raw output with structured data and optional result", () => {
+    const attachments = [
+      {
+        type: "file",
+        mime: "image/jpeg",
+        name: "photo.jpg",
+        uri: "data:image/jpeg;base64,AAAA",
+      },
+    ]
+
+    expect(
+      completedToolUpdate({
+        toolCallId: "call",
+        toolName: "read",
+        input: {},
+        content: [],
+        structured: { output: "done", metadata: { exit: 0 }, attachments },
+        result: "done",
+      }).rawOutput,
+    ).toEqual({
+      structured: { output: "done", metadata: { exit: 0 }, attachments },
+      result: "done",
+    })
+
+    expect(
+      completedToolUpdate({
+        toolCallId: "call",
+        toolName: "read",
+        input: {},
+        content: [],
+        structured: { output: "done" },
+      }).rawOutput,
+    ).toEqual({ structured: { output: "done" } })
+  })
+
+  test("extracts image attachments only from data URLs", () => {
+    expect(
+      completedToolUpdate({
+        toolCallId: "call",
+        toolName: "read",
+        input: {},
+        content: [
+          { type: "file", mime: "image/webp", uri: "data:image/webp;charset=utf-8;base64,AAAA" },
+          { type: "file", mime: "image/png", uri: "https://example.com/image.png" },
+          { type: "file", mime: "text/plain", uri: "data:text/plain;base64,BBBB" },
+        ],
+        structured: {},
+      }).content,
+    ).toEqual([
+      {
+        type: "content",
+        content: { type: "image", mimeType: "image/webp", data: "AAAA" },
+      },
+    ])
+  })
+
+  test("builds failed tool updates", () => {
+    expect(
+      errorToolUpdate({
+        toolCallId: "call",
+        toolName: "read",
+        input: { filePath: "/tmp/a" },
+        content: [{ type: "text", text: "partial output" }],
+        structured: { path: "/tmp/a" },
+        error: "failed",
+      }),
+    ).toEqual({
+      toolCallId: "call",
+      status: "failed",
+      kind: "read",
+      title: "read",
+      locations: [{ path: "/tmp/a" }],
+      rawInput: { filePath: "/tmp/a" },
+      content: [
+        { type: "content", content: { type: "text", text: "partial output" } },
+        { type: "content", content: { type: "text", text: "failed" } },
+      ],
+      rawOutput: { structured: { path: "/tmp/a" }, error: "failed" },
+    })
+  })
+})
@@ -1,5 +1,5 @@
 import { NodeFileSystem } from "@effect/platform-node"
-import { Global } from "@opencode-ai/core/global"
+import { Global } from "@opencode-ai/util/global"
 import { Effect } from "effect"
 import { expect, test } from "bun:test"
 import path from "path"
@@ -131,11 +131,16 @@ test("updates a config draft while preserving JSONC comments", async () => {
        const service = yield* Config.Service
        return yield* service.update((draft) => {
          draft.prompt = { paste: "compact" }
+          draft.mini = { thinking: "hide", shell_output: "hide", turn_summary: "hide", splash: "hide", mono: true }
        })
      }),
    )

-    expect(config).toEqual({ animations: true, prompt: { paste: "compact" } })
+    expect(config).toEqual({
+      animations: true,
+      prompt: { paste: "compact" },
+      mini: { thinking: "hide", shell_output: "hide", turn_summary: "hide", splash: "hide", mono: true },
+    })
    expect(await Bun.file(path.join(directory, "cli.json")).text()).toContain("// Keep this comment")
  } finally {
    await Bun.$`rm -rf ${directory}`
@@ -16,7 +16,30 @@ export default defineScript({
      const preload = Bun.resolveSync("@opentui/solid/preload", path.join(root, "packages/cli"))
      const session = `mini-stage2-${process.pid}`
      const snapshots = path.join(artifacts, "mini-stage2")
-      yield* Effect.promise(() => mkdir(snapshots, { recursive: true }))
+      const explicitDirectory = path.join(artifacts, "explicit-model")
+      yield* Effect.promise(() => Promise.all([snapshots, explicitDirectory].map((dir) => mkdir(dir, { recursive: true }))))
+      /** @param {string} directory @param {string | undefined} model */
+      const mini = (directory, model) => [
+        "env",
+        `PWD=${directory}`,
+        `OPENCODE_PASSWORD=${registration.password}`,
+        `OPENCODE_CONFIG_DIR=${path.join(artifacts, "files/.opencode")}`,
+        `OPENCODE_TEST_HOME=${artifacts}`,
+        `XDG_CACHE_HOME=${path.join(artifacts, "home/.cache")}`,
+        `XDG_CONFIG_HOME=${path.join(artifacts, "home/.config")}`,
+        `XDG_DATA_HOME=${path.join(artifacts, "logs")}`,
+        `XDG_STATE_HOME=${path.join(artifacts, "home/.local/state")}`,
+        "OPENCODE_DISABLE_AUTOUPDATE=1",
+        "OPENCODE_DIRECT_TRACE=1",
+        process.execPath,
+        "--conditions=browser",
+        `--preload=${preload}`,
+        path.join(root, "packages/cli/src/index.ts"),
+        "mini",
+        "--server",
+        registration.url,
+        ...(model ? ["--model", model] : []),
+      ]

      yield* llm.queue(
        Llm.toolCall({
@@ -42,26 +65,7 @@ export default defineScript({
              "-y",
              "30",
              "--",
-              "env",
-              `PWD=${path.join(artifacts, "files")}`,
-              `OPENCODE_PASSWORD=${registration.password}`,
-              `OPENCODE_CONFIG_DIR=${path.join(artifacts, "files/.opencode")}`,
-              `OPENCODE_TEST_HOME=${artifacts}`,
-              `XDG_CACHE_HOME=${path.join(artifacts, "home/.cache")}`,
-              `XDG_CONFIG_HOME=${path.join(artifacts, "home/.config")}`,
-              `XDG_DATA_HOME=${path.join(artifacts, "logs")}`,
-              `XDG_STATE_HOME=${path.join(artifacts, "home/.local/state")}`,
-              "OPENCODE_DISABLE_AUTOUPDATE=1",
-              "OPENCODE_DIRECT_TRACE=1",
-              process.execPath,
-              "--conditions=browser",
-              `--preload=${preload}`,
-              path.join(root, "packages/cli/src/index.ts"),
-              "mini",
-              "--server",
-              registration.url,
-              "--model",
-              "simulation/gpt-sim-model",
+              ...mini(path.join(artifacts, "files"), undefined),
            ]),
          ),
        )
@@ -72,7 +76,16 @@ export default defineScript({
        if (first.includes("drive mini response complete"))
          throw new Error("response rendered before prompt submission")

-        yield* Effect.promise(() => waitForPane(session, "Simulated Model", 15_000))
+        yield* Effect.promise(() => waitForPane(session, "Default model", 15_000))
+        yield* Effect.promise(() => tmux(["send-keys", "-t", session, "C-p"]))
+        yield* Effect.promise(() => waitForVisiblePane(session, "Commands"))
+        yield* Effect.promise(() => tmux(["send-keys", "-t", session, "-l", "model"]))
+        yield* Effect.promise(() => waitForVisiblePane(session, "Switch model"))
+        yield* Effect.promise(() => tmux(["send-keys", "-H", "-t", session, "0d"]))
+        yield* Effect.promise(() => waitForVisiblePane(session, "Select model"))
+        yield* Effect.promise(() => waitForVisiblePane(session, "Simulated Model", 15_000))
+        yield* Effect.promise(() => tmux(["send-keys", "-t", session, "Escape"]))
+        yield* Effect.promise(() => waitForVisiblePane(session, "Ask anything..."))
        yield* Effect.promise(() => tmux(["send-keys", "-t", session, "-l", "exercise the mini frontend"]))
        yield* Effect.sleep(100)
        yield* Effect.promise(() => tmux(["send-keys", "-H", "-t", session, "0d"]))
@@ -134,7 +147,7 @@ export default defineScript({
        yield* Effect.promise(() => tmux(["send-keys", "-H", "-t", session, "0d"]))
        yield* Effect.promise(() => waitForPane(session, "$ sleep 10"))
        yield* Effect.promise(() => tmux(["send-keys", "-t", session, "Escape"]))
-        const armed = yield* Effect.promise(() => waitForPane(session, "again to interrupt"))
+        const armed = yield* Effect.promise(() => waitForPane(session, "esc again"))
        yield* Effect.promise(() => Bun.write(path.join(snapshots, "04-interrupt-armed.txt"), armed))
        yield* Effect.promise(() => tmux(["send-keys", "-t", session, "Escape"]))
        const interrupted = yield* Effect.promise(() => waitForPane(session, "Step interrupted", 10_000))
@@ -144,7 +157,7 @@ export default defineScript({
          if (!(await paneAlive(session))) throw new Error("Mini exited while interrupting an active turn")
        })
        yield* Effect.promise(() => tmux(["send-keys", "-t", session, "C-c"]))
-        yield* Effect.promise(() => waitForPane(session, "Press ctrl+c again to exit"))
+        yield* Effect.promise(() => waitForPane(session, "EXIT  Press ctrl+"))
        yield* Effect.promise(() => tmux(["send-keys", "-t", session, "C-c"]))
        yield* Effect.promise(() => waitForDeadPane(session))
        const status = yield* Effect.promise(() => paneDeadStatus(session))
@@ -153,6 +166,75 @@ export default defineScript({
        if (!exited.includes("Continue") || !exited.includes("opencode mini -s"))
          throw new Error("Mini exit splash was not rendered before teardown")
        yield* Effect.promise(() => Bun.write(path.join(snapshots, "06-exit-teardown.txt"), exited))
+
+        yield* Effect.promise(() => tmux(["clear-history", "-t", session]))
+        yield* Effect.promise(() =>
+          tmux([
+            "respawn-pane",
+            "-k",
+            "-t",
+            session,
+            "--",
+            ...mini(explicitDirectory, "simulation/gpt-sim-model"),
+          ]),
+        )
+        const explicitModel = yield* Effect.promise(() => waitForPane(session, "Simulated Model", 15_000))
+        yield* Effect.promise(() => Bun.write(path.join(snapshots, "07-explicit-model.txt"), explicitModel))
+        yield* Effect.promise(() => tmux(["send-keys", "-t", session, "C-c"]))
+        yield* Effect.promise(() => waitForPane(session, "EXIT  Press ctrl+"))
+        yield* Effect.promise(() => tmux(["send-keys", "-t", session, "C-c"]))
+        yield* Effect.promise(() => waitForDeadPane(session))
+        if ((yield* Effect.promise(() => paneDeadStatus(session))) !== 0)
+          throw new Error("Explicit-model Mini did not exit cleanly")
+
+        yield* Effect.promise(async () => {
+          for (const failure of [
+            {
+              args: ["--model", "simulation/definitely-missing"],
+              capture: "08-unavailable-model.txt",
+              expected: "Model unavailable: simulation/definitely-missing",
+            },
+            {
+              args: ["--agent", "definitely-missing"],
+              capture: "09-unavailable-agent.txt",
+              expected: 'Agent not found: "definitely-missing"',
+            },
+          ]) {
+            const child = Bun.spawn(
+              [
+                process.execPath,
+                path.join(root, "packages/cli/src/index.ts"),
+                "run",
+                "--server",
+                registration.url,
+                ...failure.args,
+                "optimistic selection check",
+              ],
+              {
+                cwd: path.join(root, "packages/cli"),
+                env: {
+                  ...process.env,
+                  PWD: path.join(artifacts, "files"),
+                  OPENCODE_PASSWORD: registration.password,
+                  OPENCODE_CONFIG_DIR: path.join(artifacts, "files/.opencode"),
+                  OPENCODE_DISABLE_AUTOUPDATE: "1",
+                },
+                stdin: "ignore",
+                stdout: "pipe",
+                stderr: "pipe",
+              },
+            )
+            const [exitCode, stdout, stderr] = await Promise.all([
+              child.exited,
+              new Response(child.stdout).text(),
+              new Response(child.stderr).text(),
+            ])
+            await Bun.write(path.join(snapshots, failure.capture), stdout + stderr)
+            if (exitCode !== 1) throw new Error(`${failure.expected} run exited with status ${exitCode}`)
+            if (!stderr.includes(failure.expected))
+              throw new Error(`Selection failure was not diagnosed by execution: ${stderr}`)
+          }
+        })
      })

      yield* journey.pipe(Effect.ensuring(Effect.promise(() => tmux(["kill-session", "-t", session], true))))
@@ -188,6 +270,19 @@ function captureVisiblePane(session) {
  return tmux(["capture-pane", "-p", "-t", session])
 }

+/** @param {string} session @param {string} text @param {number} [timeout] */
+async function waitForVisiblePane(session, text, timeout = 5_000) {
+  const deadline = Date.now() + timeout
+  let last = ""
+  while (Date.now() < deadline) {
+    last = await captureVisiblePane(session)
+    if (last.includes(text)) return last
+    if (!(await paneAlive(session))) throw new Error(`Mini exited before rendering ${JSON.stringify(text)}:\n${last}`)
+    await Bun.sleep(50)
+  }
+  throw new Error(`Timed out waiting for visible ${JSON.stringify(text)}:\n${last}`)
+}
+
 /** @param {string} session */
 async function paneAlive(session) {
  return (await tmux(["display-message", "-p", "-t", session, "#{pane_dead}"], true)).trim() === "0"
@@ -5,13 +5,25 @@ import path from "node:path"
 const root = path.resolve(import.meta.dir, "../../..")

 describe("CLI frontend import boundaries", () => {
+  test("does not import Core directly", async () => {
+    const glob = new Bun.Glob("{src,test}/**/*.{ts,tsx}")
+    const imports: string[] = []
+    for await (const file of glob.scan({ cwd: path.join(root, "packages/cli") })) {
+      const source = await Bun.file(path.join(root, "packages/cli", file)).text()
+      if (/["']@opencode-ai\/core(?:\/[^"']*)?["']/.test(source)) imports.push(file)
+    }
+    expect(imports).toEqual([])
+  })
+
  test("exposes only the intentional package entrypoints", async () => {
    const run = await import("@opencode-ai/cli/run")
    const mini = await import("@opencode-ai/tui/mini")
+    const tool = await import("@opencode-ai/tui/mini/tool")
    const cli = await Bun.file(path.join(root, "packages/cli/package.json")).json()

    expect(Object.keys(run).sort()).toEqual(["runNonInteractive", "runV1Bridge"])
    expect(Object.keys(mini).sort()).toEqual(["runMiniFrontend"])
+    expect(Object.keys(tool).sort()).toEqual(["toolInlineInfo", "toolOutputText"])
    expect(Object.keys(cli.exports).filter((key) => key === "./mini" || key.startsWith("./mini/"))).toEqual([])
  })

@@ -1,6 +1,6 @@
 import { describe, expect, test } from "bun:test"
 import { ClientError, OpenCode } from "@opencode-ai/client/promise"
-import { InstallationVersion } from "@opencode-ai/core/installation/version"
+import { OPENCODE_VERSION } from "../src/version"
 import path from "node:path"
 import { createMiniConnection, mergeInput as mergeInteractiveInput, resolveMiniTarget } from "../src/mini"
 import { mergeInput as mergeNonInteractiveInput, parseRunModel } from "../src/run/run"
@@ -31,14 +31,14 @@ describe("mini command", () => {
    const initial = Bun.serve({
      port: 0,
      fetch() {
-        return Response.json({ healthy: true, version: InstallationVersion, pid: process.pid })
+        return Response.json({ healthy: true, version: OPENCODE_VERSION, pid: process.pid })
      },
    })
    const replacement = Bun.serve({
      port: 0,
      fetch(request) {
        authorization.push(request.headers.get("authorization"))
-        return Response.json({ healthy: true, version: InstallationVersion, pid: process.pid })
+        return Response.json({ healthy: true, version: OPENCODE_VERSION, pid: process.pid })
      },
    })
    const controller = new AbortController()
@@ -121,11 +121,12 @@ describe("mini command", () => {
    expect(result.stdout).toContain("run        Run OpenCode with a message")
  })

-  test("exposes run without legacy attach or command modes", async () => {
+  test("exposes run without legacy interactive, attach, or command modes", async () => {
    const result = await cli(["run", "--help"])

    expect(result.exitCode).toBe(0)
    expect(result.stdout).toContain("--server string")
+    expect(result.stdout).not.toContain("--interactive")
    expect(result.stdout).not.toContain("--variant")
    expect(result.stdout).not.toContain("--attach")
    expect(result.stdout).not.toContain("--command")
@@ -138,32 +139,47 @@ describe("mini command", () => {
    expect(result.stderr).not.toContain("You must provide a message")
  })

-  test("preserves a run failure exit code", async () => {
-    let modelRequests = 0
+  test("passes explicit selections to session creation without catalog preflight", async () => {
+    const requests: string[] = []
+    let session: unknown
    const server = Bun.serve({
      port: 0,
-      fetch(request) {
+      async fetch(request) {
        const url = new URL(request.url)
+        requests.push(url.pathname)
        if (url.pathname === "/api/health")
-          return Response.json({ healthy: true, version: InstallationVersion, pid: process.pid })
+          return Response.json({ healthy: true, version: OPENCODE_VERSION, pid: process.pid })
        if (url.pathname === "/api/location")
          return Response.json({ directory: process.cwd(), project: { id: "global", directory: process.cwd() } })
-        if (url.pathname === "/api/model") {
-          modelRequests++
-          return Response.json({
-            location: { directory: process.cwd(), project: { id: "global", directory: process.cwd() } },
-            data: modelRequests === 1 ? [{ id: "missing", providerID: "definitely" }] : [],
-          })
+        if (url.pathname === "/api/session") {
+          session = await request.json()
+          return new Response("boom", { status: 500 })
        }
        return new Response(undefined, { status: 404 })
      },
    })

    try {
-      const result = await cli(["run", "--server", server.url.toString(), "--model", "definitely/missing", "hi"])
+      const result = await cli([
+        "run",
+        "--server",
+        server.url.toString(),
+        "--model",
+        "definitely/missing",
+        "--agent",
+        "definitely-missing",
+        "hi",
+      ])

      expect(result.exitCode).toBe(1)
-      expect(result.stderr).toContain("Model unavailable: definitely/missing")
+      expect(result.stderr).toContain("UnexpectedStatus")
+      expect(session).toMatchObject({
+        agent: "definitely-missing",
+        model: { providerID: "definitely", id: "missing" },
+      })
+      expect(requests).not.toContain("/api/model")
+      expect(requests).not.toContain("/api/agent")
+      expect(requests).not.toContain("/api/location/wait")
    } finally {
      server.stop(true)
    }
@@ -197,6 +213,7 @@ describe("mini command", () => {

    expect(result.exitCode).toBe(0)
    expect(result.stdout).toContain("--server string")
+    expect(result.stdout).toContain("--prompt string")
    expect(result.stdout).not.toContain("SUBCOMMANDS")
  })

@@ -1,5 +1,10 @@
 import { afterEach, describe, expect, mock, spyOn, test } from "bun:test"
-import { OpenCode, type EventSubscribeOutput, type SessionMessageAssistantTool } from "@opencode-ai/client/promise"
+import {
+  OpenCode,
+  type EventSubscribeOutput,
+  type SessionMessageAssistantTool,
+  type SessionMessageInfo,
+} from "@opencode-ai/client/promise"
 import { runNonInteractivePrompt } from "../../src/run/noninteractive"

 type V2Event = EventSubscribeOutput
@@ -125,7 +130,6 @@ function failedTool(inputID: string): V2Event[] {
      id: "evt_failed_tool_progress",
      created: 3,
      type: "session.tool.progress",
-      durable: { aggregateID: "ses_1", seq: 3, version: 1 },
      data: {
        sessionID: "ses_1",
        assistantMessageID: "msg_failed_tool",
@@ -144,6 +148,8 @@ function failedTool(inputID: string): V2Event[] {
        assistantMessageID: "msg_failed_tool",
        callID: "call_failed_tool",
        error: { type: "unknown", message: "tool failed" },
+        metadata: { checkpoint: 1 },
+        content: [{ type: "text", text: "partial output" }],
        executed: true,
      },
    },
@@ -151,6 +157,53 @@ function failedTool(inputID: string): V2Event[] {
  ]
 }

+function successfulGrep(inputID: string): V2Event[] {
+  const text = "Found 2 matches\n/src/a.ts:\n  Line 1: needle\n/src/b.ts:\n  Line 2: needle"
+  return [
+    prompted(inputID),
+    {
+      id: "evt_grep_input",
+      created: 1,
+      type: "session.tool.input.started",
+      durable: { aggregateID: "ses_1", seq: 1, version: 1 },
+      data: {
+        sessionID: "ses_1",
+        assistantMessageID: "msg_grep",
+        callID: "call_grep",
+        name: "grep",
+      },
+    },
+    {
+      id: "evt_grep_called",
+      created: 2,
+      type: "session.tool.called",
+      durable: { aggregateID: "ses_1", seq: 2, version: 1 },
+      data: {
+        sessionID: "ses_1",
+        assistantMessageID: "msg_grep",
+        callID: "call_grep",
+        input: { pattern: "needle" },
+        executed: true,
+      },
+    },
+    {
+      id: "evt_grep_success",
+      created: 3,
+      type: "session.tool.success",
+      durable: { aggregateID: "ses_1", seq: 3, version: 1 },
+      data: {
+        sessionID: "ses_1",
+        assistantMessageID: "msg_grep",
+        callID: "call_grep",
+        structured: { matches: 2 },
+        content: [{ type: "text", text }],
+        executed: false,
+      },
+    },
+    settled(),
+  ]
+}
+
 // Runs one non-interactive prompt against a mocked SDK. `turn` produces the
 // live events the prompt admission triggers, keyed by the generated message ID.
 async function run(input: {
@@ -162,10 +215,14 @@ async function run(input: {
  cancel?: (input: { sessionID: string; formID: string }) => Promise<void>
  renderTool?: (part: SessionMessageAssistantTool) => Promise<void>
  renderToolError?: (part: SessionMessageAssistantTool) => Promise<void>
+  messages?: (inputID: string) => SessionMessageInfo[]
+  wait?: () => Promise<void>
+  terminalDelay?: number
 }) {
  const sdk = OpenCode.make({ baseUrl: "https://opencode.test" })
  const values: V2Event[] = [{ id: "evt_connected", type: "server.connected", data: {} }]
  let wake: (() => void) | undefined
+  const wait = Promise.withResolvers<void>()
  const stream = (async function* (): AsyncGenerator<V2Event, void, unknown> {
    while (true) {
      const value = values.shift()
@@ -175,6 +232,10 @@ async function run(input: {
        })
        continue
      }
+      if (value.type.startsWith("session.execution.")) {
+        if (input.terminalDelay) await Bun.sleep(input.terminalDelay)
+        setTimeout(wait.resolve, 0)
+      }
      yield value
    }
  })()
@@ -193,8 +254,19 @@ async function run(input: {
      }) as never,
  )
  spyOn(sdk.form, "cancel").mockImplementation((request) => (input.cancel?.(request) ?? ok(undefined)) as never)
+  let promptID = "msg_prompt"
+  spyOn(sdk.session, "wait").mockImplementation(() => input.wait?.() ?? wait.promise)
+  spyOn(sdk.message, "list").mockImplementation(() =>
+    ok({
+      data: input.messages?.(promptID) ?? [
+        { id: promptID, type: "user", text: "hello", time: { created: 1 } },
+      ],
+      cursor: {},
+    }),
+  )
  spyOn(sdk.session, "prompt").mockImplementation((request) => {
    const messageID = request.id ?? "msg_prompt"
+    promptID = messageID
    values.push(...input.turn(messageID))
    wake?.()
    wake = undefined
@@ -231,7 +303,7 @@ async function capture(input: Parameters<typeof run>[0]) {
  })
  try {
    await run(input)
-    return { stdout: stdout.join(""), stderr: stderr.join("") }
+    return { stdout: stdout.join(""), stderr: stderr.join(""), exitCode: process.exitCode }
  } finally {
    process.exitCode = exitCode ?? 0
    stdoutWrite.mockRestore()
@@ -244,6 +316,109 @@ afterEach(() => {
 })

 describe("runNonInteractivePrompt", () => {
+  test("keeps formatted tool output and compact structured metadata in JSON", async () => {
+    const output = await capture({ format: "json", turn: successfulGrep })
+    const events = output.stdout
+      .split("\n")
+      .filter(Boolean)
+      .map((line) => JSON.parse(line))
+
+    expect(events).toHaveLength(1)
+    expect(events[0]).toMatchObject({
+      type: "tool_use",
+      part: {
+        tool: "grep",
+        state: {
+          status: "completed",
+          output: expect.stringContaining("Found 2 matches"),
+          metadata: {
+            structured: { matches: 2 },
+            content: [{ type: "text", text: expect.stringContaining("/src/a.ts") }],
+          },
+        },
+      },
+    })
+    expect(events[0].part.state.metadata.structured).toEqual({ matches: 2 })
+    expect(events[0].part.state.metadata.result).toBeUndefined()
+  })
+
+  test("uses session.wait then reconciles projected output without a terminal event", async () => {
+    const idle = Promise.withResolvers<void>()
+    let done = false
+    const task = capture({
+      format: "json",
+      turn: (messageID) => [prompted(messageID)],
+      wait: () => idle.promise,
+      messages: (messageID) => [
+        {
+          id: "msg_assistant",
+          type: "assistant",
+          agent: "build",
+          model: { providerID: "test", id: "test-model" },
+          content: [{ type: "text", text: "projected answer" }],
+          finish: "stop",
+          time: { created: 2, completed: 3 },
+        },
+        { id: messageID, type: "user", text: "hello", time: { created: 1 } },
+      ],
+    }).then((output) => {
+      done = true
+      return output
+    })
+
+    await Bun.sleep(0)
+    await Bun.sleep(0)
+    expect(done).toBe(false)
+    idle.resolve()
+    const output = await task
+    expect(
+      output.stdout
+        .split("\n")
+        .filter(Boolean)
+        .map((line) => JSON.parse(line)),
+    ).toEqual([expect.objectContaining({ type: "text", part: expect.objectContaining({ text: "projected answer" }) })])
+  })
+
+  test("reports an observed execution failure before prompt promotion", async () => {
+    const output = await capture({
+      format: "json",
+      turn: () => [executionFailed("instructions unavailable")],
+      messages: () => [],
+    })
+
+    expect(
+      output.stdout
+        .split("\n")
+        .filter(Boolean)
+        .map((line) => JSON.parse(line)),
+    ).toEqual([
+      expect.objectContaining({
+        type: "error",
+        error: { type: "provider.transport", message: "instructions unavailable" },
+      }),
+    ])
+    expect(output.exitCode).toBe(1)
+  })
+
+  test("waits for a terminal failure when idle wins before projection", async () => {
+    for (const promotedBeforeFailure of [true, false]) {
+      const output = await capture({
+        format: "json",
+        turn: (messageID) => [
+          ...(promotedBeforeFailure ? [prompted(messageID)] : []),
+          executionFailed("selection unavailable"),
+        ],
+        messages: (messageID) =>
+          promotedBeforeFailure ? [{ id: messageID, type: "user", text: "hello", time: { created: 1 } }] : [],
+        wait: () => Promise.resolve(),
+        terminalDelay: 10,
+      })
+
+      expect(output.exitCode).toBe(1)
+      expect(output.stdout).toContain("selection unavailable")
+    }
+  })
+
  test("cancels session and global form blockers and exits on pre-promotion interrupt", async () => {
    const sdk = await run({
      pendingForms: [form("frm_pending", "ses_1"), form("frm_pending_global", "global")],
@@ -307,6 +482,9 @@ describe("runNonInteractivePrompt", () => {
      }),
    ])
    expect(output.stderr).toBe("")
+    const sdk = await run({ compatibility: "v1", turn: (messageID) => [prompted(messageID), settled()] })
+    expect(sdk.session.wait).not.toHaveBeenCalled()
+    expect(sdk.message.list).not.toHaveBeenCalled()
  })

  test("V1 default output flushes step_start before an unrelated execution failure", async () => {
@@ -333,14 +511,14 @@ describe("runNonInteractivePrompt", () => {
      ],
    })

-    expect(output).toEqual({ stdout: "", stderr: "" })
+    expect(output).toEqual({ stdout: "", stderr: "", exitCode: 0 })
  })

-  test("renders native failed tool output before the terminal error", async () => {
+  test("renders a native terminal failure snapshot when live progress was missed", async () => {
    const rendered: SessionMessageAssistantTool[] = []
    const failed: SessionMessageAssistantTool[] = []
    await capture({
-      turn: failedTool,
+      turn: (inputID) => failedTool(inputID).filter((event) => event.type !== "session.tool.progress"),
      renderTool: (part) => {
        rendered.push(part)
        return Promise.resolve()
@@ -1,6 +1,6 @@
 import { NodeFileSystem } from "@effect/platform-node"
-import { Global } from "@opencode-ai/core/global"
-import { InstallationVersion } from "@opencode-ai/core/installation/version"
+import { Global } from "@opencode-ai/util/global"
+import { OPENCODE_VERSION } from "../src/version"
 import { expect, test } from "bun:test"
 import { Effect, FileSystem, Scope } from "effect"
 import fs from "node:fs/promises"
@@ -17,7 +17,7 @@ test("resolution groups Effect-native lifecycle operations only for the managed
    fetch() {
      return Response.json({
        healthy: true,
-        version: InstallationVersion,
+        version: OPENCODE_VERSION,
        pid: process.pid,
      })
    },
@@ -33,7 +33,7 @@ test("resolution groups Effect-native lifecycle operations only for the managed
      registration,
      JSON.stringify({
        id,
-        version: InstallationVersion,
+        version: OPENCODE_VERSION,
        url: server.url.toString(),
        pid: process.pid,
      }),
@@ -1,18 +1,9 @@
 import { NodeFileSystem } from "@effect/platform-node"
 import { Service, type Info } from "@opencode-ai/client/effect/service"
-import { Database } from "@opencode-ai/core/database/database"
-import { EventV2 } from "@opencode-ai/core/event"
-import { EventTable } from "@opencode-ai/core/event/sql"
-import { Global } from "@opencode-ai/core/global"
-import { InstallationVersion } from "@opencode-ai/core/installation/version"
-import { Project } from "@opencode-ai/core/project"
-import { ProjectTable } from "@opencode-ai/core/project/sql"
-import { AbsolutePath } from "@opencode-ai/core/schema"
-import { SessionV2 } from "@opencode-ai/core/session"
-import { SessionEvent } from "@opencode-ai/core/session/event"
-import { SessionTable } from "@opencode-ai/core/session/sql"
+import { Global } from "@opencode-ai/util/global"
+import { OPENCODE_VERSION } from "../src/version"
 import { expect, test } from "bun:test"
-import { Effect, Schedule, Schema } from "effect"
+import { Effect, Schema } from "effect"
 import fs from "node:fs/promises"
 import os from "node:os"
 import path from "node:path"
@@ -20,6 +11,7 @@ import { ServiceConfig } from "../src/services/service-config"

 test("managed service ports are stable per installation channel", () => {
  expect(ServiceConfig.defaultPort("latest")).toBe(0xc0de)
+  expect(ServiceConfig.defaultPort("next")).toBe(0xc0de)
  expect(ServiceConfig.defaultPort("local")).toBe(0xc0df)
  expect(ServiceConfig.defaultPort("preview-a")).toBe(ServiceConfig.defaultPort("preview-a"))
  expect(ServiceConfig.defaultPort("preview-a")).not.toBe(ServiceConfig.defaultPort("preview-b"))
@@ -43,17 +35,35 @@ test("local channel stores service config with the local service filename", asyn
  }
 })

-test("service filenames isolate installation channels", () => {
+test("service filenames share release channels and identify preview channels", () => {
  expect(ServiceConfig.filename("latest")).toBe("service.json")
+  expect(ServiceConfig.filename("next")).toBe("service.json")
  expect(ServiceConfig.filename("local")).toBe("service-local.json")
-  expect(ServiceConfig.filename("preview-a")).not.toBe(ServiceConfig.filename("preview-b"))
-  expect(ServiceConfig.filename("preview-a")).not.toBe(ServiceConfig.filename("latest"))
+  expect(ServiceConfig.filename("preview-a")).toBe("service-preview-a.json")
+  expect(ServiceConfig.filename("preview/a")).toBe("service-preview-a.json")
  expect(ServiceConfig.versionBelongsToChannel("0.0.0-preview-a-1234", "preview-a")).toBe(true)
  expect(ServiceConfig.versionBelongsToChannel("0.0.0-preview-a-1234.2", "preview-a")).toBe(true)
  expect(ServiceConfig.versionBelongsToChannel("0.0.0-preview-a-other-1234", "preview-a")).toBe(false)
  expect(ServiceConfig.versionBelongsToChannel("1.2.3", "preview-a")).toBe(false)
 })

+test("service config migrates from the hashed channel filename", async () => {
+  const root = await fs.mkdtemp(path.join(os.tmpdir(), "opencode-service-config-migration-"))
+  const legacy = path.join(root, ServiceConfig.legacyFilename("preview-a")!)
+  const target = path.join(root, ServiceConfig.filename("preview-a"))
+  try {
+    await fs.writeFile(legacy, JSON.stringify({ hostname: "127.0.0.2", port: 4098 }))
+    await Effect.runPromise(ServiceConfig.migrateConfig(legacy, target).pipe(Effect.provide(NodeFileSystem.layer)))
+    expect(await Bun.file(target).json()).toEqual({ hostname: "127.0.0.2", port: 4098 })
+
+    await fs.writeFile(target, JSON.stringify({ port: 4099 }))
+    await Effect.runPromise(ServiceConfig.migrateConfig(legacy, target).pipe(Effect.provide(NodeFileSystem.layer)))
+    expect(await Bun.file(target).json()).toEqual({ port: 4099 })
+  } finally {
+    await fs.rm(root, { recursive: true, force: true })
+  }
+})
+
 test("preview registration migration never moves stable discovery", async () => {
  const root = await fs.mkdtemp(path.join(os.tmpdir(), "opencode-service-migration-"))
  const legacy = path.join(root, "service.json")
@@ -185,31 +195,6 @@ test("concurrent service processes elect one server", async () => {
    XDG_DATA_HOME: path.join(root, "data"),
    XDG_STATE_HOME: path.join(root, "state"),
  }
-  const sessionID = SessionV2.ID.make("ses_service_recovery")
-  await withDatabase(
-    database,
-    Effect.gen(function* () {
-      const { db } = yield* Database.Service
-      yield* db
-        .insert(ProjectTable)
-        .values({ id: Project.ID.global, worktree: AbsolutePath.make(root), sandboxes: [] })
-        .run()
-        .pipe(Effect.orDie)
-      yield* db
-        .insert(SessionTable)
-        .values({
-          id: sessionID,
-          project_id: Project.ID.global,
-          slug: "recovery",
-          directory: root,
-          title: "recovery",
-          version: "test",
-          time_suspended: Date.now(),
-        })
-        .run()
-        .pipe(Effect.orDie)
-    }),
-  )
  const command = [process.execPath, path.join(import.meta.dir, "../src/index.ts"), "serve", "--service"]
  const registration = path.join(root, "state", "opencode", "service-local.json")
  const port = await availablePort()
@@ -262,20 +247,6 @@ test("concurrent service processes elect one server", async () => {
      contender.kill("SIGTERM")
      await contender.exited
    }
-    expect(
-      await withDatabase(
-        database,
-        Effect.gen(function* () {
-          const { db } = yield* Database.Service
-          return yield* db
-            .select({ timeSuspended: SessionTable.time_suspended })
-            .from(SessionTable)
-            .get()
-            .pipe(Effect.orDie)
-        }),
-      ),
-    ).toEqual({ timeSuspended: null })
-    expect(await waitForExecutionStart(database, sessionID)).toBe(1)
    await Effect.runPromise(Service.stop({ file: registration }).pipe(Effect.provide(NodeFileSystem.layer)))
    await winner?.exited
    expect(await Bun.file(registration).exists()).toBe(false)
@@ -361,7 +332,7 @@ test("unresponsive managed port occupancy reports a bounded conflict", async ()
  )
  const stale = {
    id: "stale",
-    version: InstallationVersion,
+    version: OPENCODE_VERSION,
    url: "http://127.0.0.1:1",
    pid: process.pid,
    password: "stale",
@@ -397,7 +368,7 @@ test("port contender recognizes an incumbent registered during the bind race", a
    fetch() {
      requests.count += 1
      if (requests.count === 2) recognizing.resolve()
-      return Response.json({ healthy: true, version: InstallationVersion, pid: process.pid }, { status: 503 })
+      return Response.json({ healthy: true, version: OPENCODE_VERSION, pid: process.pid }, { status: 503 })
    },
  })
  const registration = path.join(root, "state", "opencode", "service-local.json")
@@ -409,7 +380,7 @@ test("port contender recognizes an incumbent registered during the bind race", a
    registration,
    JSON.stringify({
      id: "stale",
-      version: InstallationVersion,
+      version: OPENCODE_VERSION,
      url: "http://127.0.0.1:1",
      pid: 2_147_483_647,
      password: "stale",
@@ -426,7 +397,7 @@ test("port contender recognizes an incumbent registered during the bind race", a
    await Bun.sleep(8_000)
    const info = {
      id: "incumbent",
-      version: InstallationVersion,
+      version: OPENCODE_VERSION,
      url: `http://127.0.0.1:${listener.port}`,
      pid: process.pid,
      password: "incumbent",
@@ -510,40 +481,6 @@ test("a failed service stays registered and owns the selected port until stopped
  }
 }, 30_000)

-function withDatabase<A, E>(file: string, effect: Effect.Effect<A, E, Database.Service>) {
-  return Effect.runPromise(effect.pipe(Effect.provide(Database.layer({ path: file })), Effect.scoped))
-}
-
-function waitForExecutionStart(file: string, sessionID: SessionV2.ID) {
-  return withDatabase(
-    file,
-    Effect.gen(function* () {
-      const { db } = yield* Database.Service
-      return yield* db
-        .select({ id: EventTable.id, sessionID: EventTable.aggregate_id, type: EventTable.type })
-        .from(EventTable)
-        .all()
-        .pipe(
-          Effect.orDie,
-          Effect.map((rows) =>
-            rows.filter(
-              (row) =>
-                row.sessionID === sessionID &&
-                row.type ===
-                  EventV2.versionedType(
-                    SessionEvent.Execution.Started.type,
-                    SessionEvent.Execution.Started.durable.version,
-                  ),
-            ),
-          ),
-          Effect.filterOrFail((rows) => rows.length > 0),
-          Effect.map((rows) => rows.length),
-          Effect.retry(Schedule.max([Schedule.spaced("50 millis"), Schedule.recurs(200)])),
-        )
-    }),
-  )
-}
-
 async function waitForInfo(file: string, accept: (info: Info) => boolean = () => true) {
  for (let attempt = 0; attempt < 400; attempt++) {
    const value = await Bun.file(file)
@@ -78,6 +78,15 @@ describe("session target resolver", () => {
    expect(order).toEqual(["prepare", "create"])
  })

+  test("uses the agent resolved by the server for a fresh Session", async () => {
+    const client = OpenCode.make({ baseUrl: "https://opencode.test" })
+    spyOn(client.location, "get").mockResolvedValue(location("/project"))
+    spyOn(client.session, "create").mockResolvedValue({ ...session("ses_fresh", "/project"), agent: "review" })
+
+    const target = await resolveSessionTarget({ client, prepare })
+    expect(target.agent).toBe("review")
+  })
+
  test("does not retry an ambiguous Session creation", async () => {
    const client = OpenCode.make({ baseUrl: "https://opencode.test" })
    spyOn(client.location, "get").mockResolvedValue(location("/project"))
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
opencode-agent[bot]	b6f85c2250	fix(core): default custom model capabilities (#38449 ) publish / version (push) Waiting to run Details publish / build-cli (push) Blocked by required conditions Details publish / build-node-cli (map[host:blacksmith-4vcpu-ubuntu-2404 target:linux-x64]) (push) Blocked by required conditions Details publish / build-node-cli (map[host:blacksmith-4vcpu-ubuntu-2404-arm target:linux-arm64]) (push) Blocked by required conditions Details publish / build-node-cli (map[host:blacksmith-4vcpu-windows-2025 target:windows-arm64]) (push) Blocked by required conditions Details publish / build-node-cli (map[host:blacksmith-4vcpu-windows-2025 target:windows-x64]) (push) Blocked by required conditions Details publish / build-node-cli (map[host:macos-26 target:darwin-arm64]) (push) Blocked by required conditions Details publish / sign-cli-windows (push) Blocked by required conditions Details publish / build-electron (map[bun_install_flags:--os=darwin --cpu=arm64 host:macos-26 platform_flag:--mac --arm64 target:aarch64-apple-darwin]) (push) Blocked by required conditions Details publish / build-electron (map[bun_install_flags:--os=darwin --cpu=x64 host:macos-26-intel platform_flag:--mac --x64 target:x86_64-apple-darwin]) (push) Blocked by required conditions Details publish / build-electron (map[host:blacksmith-4vcpu-ubuntu-2404 platform_flag:--linux target:x86_64-unknown-linux-gnu]) (push) Blocked by required conditions Details publish / build-electron (map[host:blacksmith-4vcpu-ubuntu-2404-arm platform_flag:--linux --arm64 target:aarch64-unknown-linux-gnu]) (push) Blocked by required conditions Details publish / build-electron (map[host:blacksmith-4vcpu-windows-2025 platform_flag:--win target:x86_64-pc-windows-msvc]) (push) Blocked by required conditions Details publish / build-electron (map[host:windows-2025 platform_flag:--win --arm64 target:aarch64-pc-windows-msvc]) (push) Blocked by required conditions Details publish / publish (push) Blocked by required conditions Details typecheck / typecheck (push) Waiting to run Details Co-authored-by: Aiden Cline <rekram1-node@users.noreply.github.com>	2026-07-22 23:20:16 -05:00
opencode-agent[bot]	6e8aefcfa0	fix(ai): normalize Bedrock cache usage (#38427 ) Co-authored-by: Aiden Cline <63023139+rekram1-node@users.noreply.github.com>	2026-07-22 21:42:53 -05:00
James Long	f1f0f47ee2	fix(core): migrate named agent colors (#38414 )	2026-07-22 22:38:13 -04:00
Kit Langton	203b9f59b7	fix(core): load dynamic models for generation (#38401 )	2026-07-22 22:26:08 -04:00
Aiden Cline	48bcbd09ef	fix(ai): handle incomplete responses without reasons (#38374 )	2026-07-22 20:49:08 -05:00
James Long	d86f732df3	refactor(tui): generate syntax from V2 theme (#38397 )	2026-07-22 21:33:25 -04:00
Dax Raad	a817fe5e6c	fix(schema): loosen agent color response	2026-07-22 19:22:01 -04:00
James Long	381f6c47b4	docs(tui): add generated V2 theme reference (#38396 )	2026-07-22 18:30:31 -04:00
James Long	b6e14b5a74	refactor(tui): finish V2 theme migration (#38383 )	2026-07-22 17:56:22 -04:00
opencode-agent[bot]	36979c9641	test(core): consolidate provider factory coverage (#38390 ) Co-authored-by: Aiden Cline <63023139+rekram1-node@users.noreply.github.com>	2026-07-22 16:50:33 -05:00
opencode-agent[bot]	4e067a2014	test(core): remove duplicate patch integration tests (#38389 ) Co-authored-by: Aiden Cline <63023139+rekram1-node@users.noreply.github.com>	2026-07-22 16:19:06 -05:00
opencode-agent[bot]	5913c1db0b	chore: merge dev into v2 (#38377 ) Co-authored-by: Brendan Allan <14191578+Brendonovich@users.noreply.github.com> Co-authored-by: Adam <2363879+adamdotdevin@users.noreply.github.com> Co-authored-by: opencode-agent[bot] <opencode-agent[bot]@users.noreply.github.com> Co-authored-by: Frank <frank@anoma.ly> Co-authored-by: Aiden Cline <rekram1-node@users.noreply.github.com> Co-authored-by: opencode-agent[bot] <219766164+opencode-agent[bot]@users.noreply.github.com> Co-authored-by: Dax Raad <d@ironbay.co> Co-authored-by: Dax <mail@thdxr.com> Co-authored-by: Aiden Cline <63023139+rekram1-node@users.noreply.github.com> Co-authored-by: Nabs <nabil@instafork.com> Co-authored-by: usrnk1 <7547651+usrnk1@users.noreply.github.com> Co-authored-by: Aarav Sareen <96787824+arvsrn@users.noreply.github.com> Co-authored-by: Brendan Allan <git@brendonovich.dev> Co-authored-by: Victor Navarro <vn4varro@gmail.com> Co-authored-by: Vladimir Glafirov <vglafirov@gitlab.com> Co-authored-by: AidenGeunGeun <eastlandwyvern@gmail.com> Co-authored-by: Mark <geraint0923@users.noreply.github.com> Co-authored-by: Aiden Cline <aidenpcline@gmail.com> Co-authored-by: opencode <opencode@sst.dev> Co-authored-by: Luke Parker <10430890+Hona@users.noreply.github.com> Co-authored-by: David Hill <1879069+iamdavidhill@users.noreply.github.com> Co-authored-by: Jay <air@live.ca> Co-authored-by: Jay <53023+jayair@users.noreply.github.com> Co-authored-by: BB84 <110078428+BB-84C@users.noreply.github.com> Co-authored-by: Dustin Deus <deusdustin@gmail.com> Co-authored-by: Jack <jack@anoma.ly> Co-authored-by: Sebastian <hasta84@gmail.com> Co-authored-by: Jérôme Benoit <jerome.benoit@sap.com> Co-authored-by: Test User <test@test.com> Co-authored-by: Simon Klee <hello@simonklee.dk> Co-authored-by: Rahul A Mistry <149420892+ProdigyRahul@users.noreply.github.com> Co-authored-by: Qiping Li <liqiping1991@gmail.com> Co-authored-by: liqiping <liqiping@msh.team> Co-authored-by: OpeOginni <107570612+OpeOginni@users.noreply.github.com> Co-authored-by: Matthias Reso <13337103+mreso@users.noreply.github.com> Co-authored-by: tobwen <1864057+tobwen@users.noreply.github.com> Co-authored-by: Daniel Polito <danielbpolito@gmail.com> Co-authored-by: opencode <noreply@opencode.ai>	2026-07-22 15:33:14 -05:00
James Long	88f572cfce	refactor(tui): migrate selection views to V2 theme (#38001 )	2026-07-22 16:19:00 -04:00
Aiden Cline	2271f9b222	feat(ai): support PDF inputs (#38253 )	2026-07-22 13:42:29 -05:00
James Long	8a36abd328	feat(tui): add developer debug bar (#38359 )	2026-07-22 14:35:28 -04:00
Aiden Cline	532292b5f3	fix(core): reject malformed patch hunks (#38188 )	2026-07-22 13:11:51 -05:00
Dax Raad	89e3141079	fix(core): preserve cache for session generation	2026-07-22 12:21:40 -04:00
Kit Langton	7a1f9764a2	feat(core): compact durable tool metadata (#38343 )	2026-07-22 12:09:48 -04:00
opencode-agent[bot]	b91dd78ab3	test(core): remove source text assertions (#38342 ) Co-authored-by: Kit Langton <kit.langton@gmail.com>	2026-07-22 11:50:40 -04:00
James Long	dba5da7c10	fix(tui): restore shell mode styling (#38231 )	2026-07-22 11:23:50 -04:00
opencode-agent[bot]	aea36d7630	fix(tui): prevent duplicate message forks (#38240 ) Co-authored-by: Aiden Cline <rekram1-node@users.noreply.github.com>	2026-07-22 10:11:58 -05:00
opencode-agent[bot]	03474816ea	test(core): stabilize wellknown event subscriptions (#38331 ) Co-authored-by: Aiden Cline <rekram1-node@users.noreply.github.com>	2026-07-22 09:40:31 -05:00
Kit Langton	5a9ed4d350	fix: make tool progress live-only (#38217 )	2026-07-22 10:40:07 -04:00
Simon Klee	4204b9d087	fix(tui): show providers in Mini model search (#38321 )	2026-07-22 16:02:17 +02:00
Simon Klee	8fad13365b	feat(tui): add mini splash setting (#38317 ) Fix #38010	2026-07-22 15:46:50 +02:00
Simon Klee	5841b04fe7	tui: resolve default mini footer agent (#38315 )	2026-07-22 15:42:12 +02:00
Simon Klee	e12ec8681b	fix(tui): render mini markdown in mono mode (#38313 )	2026-07-22 15:32:43 +02:00
Simon Klee	a3e2cc0dcd	feat(tui): add mini agent switching (#38287 ) Fixes #36121	2026-07-22 11:14:10 +00:00
Simon Klee	648183cecb	fix(tui): quiet hidden mini footer (#38279 )	2026-07-22 12:21:43 +02:00
Simon Klee	58d18be590	oc mini v2 (#38278 )	2026-07-22 11:50:21 +02:00
Simon Klee	dc9fd126a0	test(cli): cover interactive command flags (#38273 )	2026-07-22 11:16:14 +02:00
Simon Klee	794137b33b	refactor(tui): narrow mini compatibility surfaces (#38262 )	2026-07-22 10:35:35 +02:00
Simon Klee	0e08b7330f	fix(tui): set mini terminal title on Linux (#38261 )	2026-07-22 10:35:07 +02:00
Simon Klee	ced3d5e02a	fix(tui): submit prompt when resuming session (#38260 )	2026-07-22 10:34:39 +02:00
Simon Klee	6e826f3e22	fix(tui): hide project commands from mini palette (#38259 )	2026-07-22 10:34:08 +02:00
Simon Klee	8bb1cfaa3b	fix: defer catalog validation to session execution (#38258 )	2026-07-22 10:32:52 +02:00
Simon Klee	691a7d93c8	feat(tui): add compact command to mini (#38251 ) publish / version (push) Has been cancelled Details publish / build-cli (push) Has been cancelled Details publish / build-node-cli (map[host:blacksmith-4vcpu-ubuntu-2404 target:linux-x64]) (push) Has been cancelled Details publish / build-node-cli (map[host:blacksmith-4vcpu-ubuntu-2404-arm target:linux-arm64]) (push) Has been cancelled Details publish / build-node-cli (map[host:blacksmith-4vcpu-windows-2025 target:windows-arm64]) (push) Has been cancelled Details publish / build-node-cli (map[host:blacksmith-4vcpu-windows-2025 target:windows-x64]) (push) Has been cancelled Details publish / build-node-cli (map[host:macos-26 target:darwin-arm64]) (push) Has been cancelled Details publish / sign-cli-windows (push) Has been cancelled Details publish / build-electron (map[bun_install_flags:--os=darwin --cpu=arm64 host:macos-26 platform_flag:--mac --arm64 target:aarch64-apple-darwin]) (push) Has been cancelled Details publish / build-electron (map[bun_install_flags:--os=darwin --cpu=x64 host:macos-26-intel platform_flag:--mac --x64 target:x86_64-apple-darwin]) (push) Has been cancelled Details publish / build-electron (map[host:blacksmith-4vcpu-ubuntu-2404 platform_flag:--linux target:x86_64-unknown-linux-gnu]) (push) Has been cancelled Details publish / build-electron (map[host:blacksmith-4vcpu-ubuntu-2404-arm platform_flag:--linux --arm64 target:aarch64-unknown-linux-gnu]) (push) Has been cancelled Details publish / build-electron (map[host:blacksmith-4vcpu-windows-2025 platform_flag:--win target:x86_64-pc-windows-msvc]) (push) Has been cancelled Details publish / build-electron (map[host:windows-2025 platform_flag:--win --arm64 target:aarch64-pc-windows-msvc]) (push) Has been cancelled Details publish / publish (push) Has been cancelled Details typecheck / typecheck (push) Has been cancelled Details	2026-07-22 07:03:46 +02:00
Simon Klee	ca6da05d07	fix(tui): show skill name in mini tool output (#38250 )	2026-07-22 07:03:02 +02:00
Aiden Cline	23483ea013	feat(ai): support custom reasoning fields (#38227 )	2026-07-21 23:42:59 -05:00
Aiden Cline	69c05ae3fc	feat(codemode): assimilate promise thenables (#38237 )	2026-07-21 23:32:02 -05:00
opencode-agent[bot]	59ad593d9c	fix(core): reduce snapshot repository setup (#38162 ) Co-authored-by: Aiden Cline <rekram1-node@users.noreply.github.com> Co-authored-by: Aiden Cline <aidenpcline@gmail.com>	2026-07-21 23:08:24 -05:00
James Long	6b9136e797	fix(tui): inherit elevated tool theme (#38224 )	2026-07-21 22:45:21 -04:00
opencode-agent[bot]	80dc21d8f7	fix(cli): use hosted updater API (#38223 ) Co-authored-by: Dax Raad <d@ironbay.co>	2026-07-22 02:34:48 +00:00
Aiden Cline	c8a40450e5	feat(codemode): support generator functions (#38172 )	2026-07-21 20:36:42 -05:00
Dax Raad	e84938b309	fix(core): make session warming observable	2026-07-21 21:30:05 -04:00
Dax Raad	c821d49386	feat(updates): add artifact build endpoints	2026-07-21 21:29:42 -04:00
Dax Raad	f683eef5f9	feat(core): add session warming	2026-07-21 20:43:26 -04:00
Aiden Cline	a0a6963beb	fix(core): discover Copilot API endpoint (#38184 )	2026-07-21 19:28:31 -05:00
Dax Raad	da35eac93f	fix(sdk): build without legacy sources	2026-07-21 20:13:27 -04:00
Dax Raad	c944048bcf	feat(updates): add release control service	2026-07-21 19:58:56 -04:00
Dax Raad	c2351e308f	fix(ci): skip legacy artifacts on v2	2026-07-21 19:11:52 -04:00
Dax	8de40be6ea	feat(plugin): expose app metadata (#38179 )	2026-07-21 22:16:25 +00:00
Simon Klee	2ed8fe5960	mini: add hideable footer details (#38192 )	2026-07-21 23:28:40 +02:00
Dax	1ea9137c01	fix(core): identify spawned subagents (#38189 )	2026-07-21 16:54:01 -04:00
opencode-agent[bot]	77d3289d27	chore: merge dev into v2 (#38182 ) Co-authored-by: Adam <2363879+adamdotdevin@users.noreply.github.com> Co-authored-by: opencode-agent[bot] <opencode-agent[bot]@users.noreply.github.com> Co-authored-by: Brendan Allan <14191578+Brendonovich@users.noreply.github.com> Co-authored-by: opencode-agent[bot] <219766164+opencode-agent[bot]@users.noreply.github.com> Co-authored-by: Victor Navarro <vn4varro@gmail.com> Co-authored-by: Aarav Sareen <96787824+arvsrn@users.noreply.github.com> Co-authored-by: Frank <frank@anoma.ly> Co-authored-by: Aiden Cline <rekram1-node@users.noreply.github.com> Co-authored-by: Dax Raad <d@ironbay.co> Co-authored-by: Dax <mail@thdxr.com> Co-authored-by: Aiden Cline <63023139+rekram1-node@users.noreply.github.com> Co-authored-by: Nabs <nabil@instafork.com> Co-authored-by: usrnk1 <7547651+usrnk1@users.noreply.github.com> Co-authored-by: Brendan Allan <git@brendonovich.dev> Co-authored-by: Vladimir Glafirov <vglafirov@gitlab.com> Co-authored-by: AidenGeunGeun <eastlandwyvern@gmail.com> Co-authored-by: Mark <geraint0923@users.noreply.github.com> Co-authored-by: Aiden Cline <aidenpcline@gmail.com> Co-authored-by: opencode <opencode@sst.dev> Co-authored-by: Luke Parker <10430890+Hona@users.noreply.github.com> Co-authored-by: David Hill <1879069+iamdavidhill@users.noreply.github.com> Co-authored-by: Jay <air@live.ca> Co-authored-by: Jay <53023+jayair@users.noreply.github.com> Co-authored-by: BB84 <110078428+BB-84C@users.noreply.github.com> Co-authored-by: Dustin Deus <deusdustin@gmail.com> Co-authored-by: Jack <jack@anoma.ly> Co-authored-by: Sebastian <hasta84@gmail.com> Co-authored-by: Jérôme Benoit <jerome.benoit@sap.com> Co-authored-by: Test User <test@test.com> Co-authored-by: Simon Klee <hello@simonklee.dk> Co-authored-by: Rahul A Mistry <149420892+ProdigyRahul@users.noreply.github.com> Co-authored-by: Qiping Li <liqiping1991@gmail.com> Co-authored-by: liqiping <liqiping@msh.team> Co-authored-by: OpeOginni <107570612+OpeOginni@users.noreply.github.com> Co-authored-by: Matthias Reso <13337103+mreso@users.noreply.github.com> Co-authored-by: tobwen <1864057+tobwen@users.noreply.github.com> Co-authored-by: Daniel Polito <danielbpolito@gmail.com>	2026-07-21 15:24:47 -05:00
opencode-agent[bot]	e6607fb58d	fix(core): authorize symlinks by lexical path (#38180 ) Co-authored-by: Aiden Cline <rekram1-node@users.noreply.github.com>	2026-07-21 15:13:18 -05:00
opencode-agent[bot]	128e2550ef	fix(core): use shared app node import (#38181 ) Co-authored-by: Simon Klee <hello@simonklee.dk>	2026-07-21 15:08:53 -05:00
Simon Klee	e8d273ae5b	mini: add monochrome ASCII mode (#38173 )	2026-07-21 22:01:09 +02:00
Aiden Cline	7ec1b6e580	feat(core): deliver CodeMode catalog through instructions (#38003 )	2026-07-21 14:46:18 -05:00
Simon Klee	c4fa5e6619	mini: add turn summary visibility setting (#38153 )	2026-07-21 21:01:47 +02:00
Aiden Cline	6ec17e5d55	fix(core): align patch Unicode matching (#38160 )	2026-07-21 13:47:52 -05:00
Dax	0405670cab	refactor(core): move database path policy (#38159 )	2026-07-21 18:44:37 +00:00
opencode-agent[bot]	caf727ecb7	fix(core): filter unsupported media inputs (#38145 ) Co-authored-by: Aiden Cline <63023139+rekram1-node@users.noreply.github.com>	2026-07-21 13:44:10 -05:00
Dax	9c38358197	refactor: centralize client identity (#38148 )	2026-07-21 14:01:04 -04:00
Simon Klee	dd6c95fdc7	mini: add quiet transcript settings (#38152 )	2026-07-21 19:36:34 +02:00
Aiden Cline	6f4b9504e5	feat(codemode): support custom async iterators (#38141 )	2026-07-21 12:18:46 -05:00
Aiden Cline	dbfbb13ccc	fix(core): authorize patch move destinations (#38133 )	2026-07-21 12:18:23 -05:00
Simon Klee	99b2e78d75	fix(tui): improve responsive footer details (#38116 )	2026-07-21 19:00:21 +02:00
opencode-agent[bot]	023f76f6fc	fix(core): refresh model catalog every five minutes (#38142 ) Co-authored-by: Victor Navarro <36263538+vimtor@users.noreply.github.com>	2026-07-21 16:34:54 +00:00
Dax	69d7c2add7	feat(util): configure package publishing (#38129 )	2026-07-21 12:32:23 -04:00
Shoubhit Dash	cf651bc41b	feat(cli): port ACP to V2 (#37907 )	2026-07-21 21:13:21 +05:30
Aiden Cline	8d80365ef4	refactor(codemode): simplify model-facing wording (#38042 )	2026-07-21 10:19:53 -05:00
Aiden Cline	3ea8895299	fix(core): enforce patch EOF anchors (#38039 )	2026-07-21 10:15:51 -05:00
Dax	3304e79827	fix(tui): prevent autocomplete search flicker (#38128 )	2026-07-21 10:41:36 -04:00
opencode-agent[bot]	cf2c1bf425	refactor(core): break plugin host cycle (#38120 ) Co-authored-by: James Long <17031+jlongster@users.noreply.github.com>	2026-07-21 10:35:00 -04:00
Dax	e0810753f2	refactor: extract shared util package (#37828 )	2026-07-21 10:34:29 -04:00
Dax	7243bd9e12	fix: preserve runtime option defaults (#38118 )	2026-07-21 10:30:18 -04:00
Simon Klee	dd50d457b0	refactor(tui): simplify mini footer status line (#38112 )	2026-07-21 16:08:19 +02:00
Simon Klee	592ef7433a	mini: settle on wait and durable pending (#37984 )	2026-07-21 15:42:55 +02:00
opencode-agent[bot]	fd97d789ef	test(app): stabilize offset observer test (#38044 ) publish / version (push) Has been cancelled Details publish / build-cli (push) Has been cancelled Details publish / build-node-cli (map[host:blacksmith-4vcpu-ubuntu-2404 target:linux-x64]) (push) Has been cancelled Details publish / build-node-cli (map[host:blacksmith-4vcpu-ubuntu-2404-arm target:linux-arm64]) (push) Has been cancelled Details publish / build-node-cli (map[host:blacksmith-4vcpu-windows-2025 target:windows-arm64]) (push) Has been cancelled Details publish / build-node-cli (map[host:blacksmith-4vcpu-windows-2025 target:windows-x64]) (push) Has been cancelled Details publish / build-node-cli (map[host:macos-26 target:darwin-arm64]) (push) Has been cancelled Details publish / sign-cli-windows (push) Has been cancelled Details publish / build-electron (map[bun_install_flags:--os=darwin --cpu=arm64 host:macos-26 platform_flag:--mac --arm64 target:aarch64-apple-darwin]) (push) Has been cancelled Details publish / build-electron (map[bun_install_flags:--os=darwin --cpu=x64 host:macos-26-intel platform_flag:--mac --x64 target:x86_64-apple-darwin]) (push) Has been cancelled Details publish / build-electron (map[host:blacksmith-4vcpu-ubuntu-2404 platform_flag:--linux target:x86_64-unknown-linux-gnu]) (push) Has been cancelled Details publish / build-electron (map[host:blacksmith-4vcpu-ubuntu-2404-arm platform_flag:--linux --arm64 target:aarch64-unknown-linux-gnu]) (push) Has been cancelled Details publish / build-electron (map[host:blacksmith-4vcpu-windows-2025 platform_flag:--win target:x86_64-pc-windows-msvc]) (push) Has been cancelled Details publish / build-electron (map[host:windows-2025 platform_flag:--win --arm64 target:aarch64-pc-windows-msvc]) (push) Has been cancelled Details publish / publish (push) Has been cancelled Details typecheck / typecheck (push) Has been cancelled Details Co-authored-by: Aiden Cline <rekram1-node@users.noreply.github.com> Co-authored-by: opencode-agent[bot] <opencode-agent[bot]@users.noreply.github.com>	2026-07-21 00:26:46 -05:00
Aiden Cline	7111f93836	feat(codemode): support bounded async iteration (#38040 )	2026-07-21 00:02:31 -05:00