test(core): simplify git layer wiring

packages/core/test/git.test.ts

@@ -4,12 +4,13 @@ import fs from "fs/promises"
 import path from "path"
 import { Effect } from "effect"
 import { Git } from "@opencode-ai/core/git"
+import { LayerNode } from "@opencode-ai/core/effect/layer-node"
 import { AbsolutePath } from "@opencode-ai/core/schema"
 import { branch, commit, gitRemote } from "./fixture/git"
 import { tmpdir } from "./fixture/tmpdir"
 import { testEffect } from "./lib/effect"
 
-const it = testEffect(Git.defaultLayer)
+const it = testEffect(LayerNode.buildLayer(Git.node))
 
 describe("Git", () => {
   it.live("clones a remote and reads checkout metadata", () =>

packages/opencode/test/tool/external-directory.test.ts

@@ -2,7 +2,6 @@ import { PermissionV1 } from "@opencode-ai/core/v1/permission"
 import { describe, expect } from "bun:test"
 import path from "path"
 import { Effect } from "effect"
-import { LayerNode } from "@opencode-ai/core/effect/layer-node"
 import { CrossSpawnSpawner } from "@opencode-ai/core/cross-spawn-spawner"
 import type { Tool } from "@/tool/tool"
 import { assertExternalDirectoryEffect } from "../../src/tool/external-directory"
@@ -12,7 +11,7 @@ import type { Permission } from "../../src/permission"
 import { SessionID, MessageID } from "../../src/session/schema"
 import { testEffect } from "../lib/effect"
 
-const it = testEffect(LayerNode.buildLayer(CrossSpawnSpawner.node))
+const it = testEffect(CrossSpawnSpawner.defaultLayer)
 
 const baseCtx: Omit<Tool.Context, "ask"> = {
   sessionID: SessionID.make("ses_test"),