refactor(core): move database schema ownership (#29068)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>

packages/opencode/src/agent/agent.ts

@@ -1,7 +1,7 @@
 import { Config } from "@/config/config"
 import { serviceUse } from "@opencode-ai/core/effect/service-use"
 import { Provider } from "@/provider/provider"
-import { ModelID, ProviderID } from "../provider/schema"
+
 import { generateObject, streamObject, type ModelMessage } from "ai"
 import { Truncate } from "@/tool/truncate"
 import { Auth } from "../auth"
@@ -25,6 +25,7 @@ import { RuntimeFlags } from "@/effect/runtime-flags"
 import * as Option from "effect/Option"
 import * as OtelTracer from "@effect/opentelemetry/Tracer"
 import { type DeepMutable } from "@opencode-ai/core/schema"
+import { ProviderV2 } from "@opencode-ai/core/provider"
 
 export const Info = Schema.Struct({
   name: Schema.String,
@@ -38,8 +39,8 @@ export const Info = Schema.Struct({
   permission: Permission.Ruleset,
   model: Schema.optional(
     Schema.Struct({
-      modelID: ModelID,
-      providerID: ProviderID,
+      modelID: ProviderV2.ModelID,
+      providerID: ProviderV2.ID,
     }),
   ),
   variant: Schema.optional(Schema.String),
@@ -62,7 +63,7 @@ export interface Interface {
   readonly defaultAgent: () => Effect.Effect<string>
   readonly generate: (input: {
     description: string
-    model?: { providerID: ProviderID; modelID: ModelID }
+    model?: { providerID: ProviderV2.ID; modelID: ProviderV2.ModelID }
   }) => Effect.Effect<
     {
       identifier: string
@@ -383,7 +384,7 @@ export const layer = Layer.effect(
       }),
       generate: Effect.fn("Agent.generate")(function* (input: {
         description: string
-        model?: { providerID: ProviderID; modelID: ModelID }
+        model?: { providerID: ProviderV2.ID; modelID: ProviderV2.ModelID }
       }) {
         const cfg = yield* config.get()
         const model = input.model ?? (yield* provider.defaultModel())