refactor(core): migrate built-in tools to internal plugins (#34956)

packages/core/src/tool/apply-patch.ts

@@ -1,18 +1,16 @@
 export * as ApplyPatchTool from "./apply-patch"
 
+import type { PluginContext } from "@opencode-ai/plugin/v2/effect"
 import { ToolFailure } from "@opencode-ai/llm"
 import { FileDiff } from "@opencode-ai/schema/file-diff"
 import { createTwoFilesPatch, diffLines } from "diff"
-import { Effect, Layer, Schema } from "effect"
-import { makeLocationNode } from "../effect/app-node"
+import { Effect, Schema } from "effect"
 import { FileMutation } from "../file-mutation"
 import { FSUtil } from "../fs-util"
 import { LocationMutation } from "../location-mutation"
 import { Patch } from "../patch"
 import { PermissionV2 } from "../permission"
-import { ToolRegistry } from "./registry"
 import { Tool } from "./tool"
-import { Tools } from "./tools"
 
 export const name = "apply_patch"
 
@@ -56,15 +54,15 @@ type Prepared =
       readonly after: string
     })
 
-const layer = Layer.effectDiscard(
-  Effect.gen(function* () {
-    const tools = yield* Tools.Service
+export const Plugin = {
+  id: "core-apply-patch-tool",
+  effect: Effect.fn("ApplyPatchTool.Plugin")(function* (ctx: PluginContext) {
     const mutation = yield* LocationMutation.Service
     const files = yield* FileMutation.Service
     const fs = yield* FSUtil.Service
     const permission = yield* PermissionV2.Service
 
-    yield* tools
+    yield* ctx.tool
       .register({
         [name]: Tool.withPermission(
           Tool.make({
@@ -194,13 +192,7 @@ const layer = Layer.effectDiscard(
       })
       .pipe(Effect.orDie)
   }),
-)
-
-export const node = makeLocationNode({
-  name: "tool/apply-patch",
-  layer,
-  deps: [ToolRegistry.node, LocationMutation.node, FileMutation.node, FSUtil.node, PermissionV2.node],
-})
+}
 
 function patchFile(change: Prepared): typeof FileDiff.Info.Type {
   const counts = diffLines(change.before, change.after).reduce(