refactor(agent-manager): scope pending request state

packages/opencode/src/kilocode/agent-manager/service.ts

@@ -1,9 +1,11 @@
 import { Bus } from "@/bus"
-import { InstanceState } from "@/effect/instance-state"
+import { InstanceRef } from "@/effect/instance-ref"
+import { registerDisposer } from "@/effect/instance-registry"
 import { Identifier } from "@/id/id"
+import type { InstanceContext } from "@/project/instance-context"
 import * as Log from "@opencode-ai/core/util/log"
 import { LayerNode } from "@opencode-ai/core/effect/layer-node"
-import { Context, Deferred, Duration, Effect, Layer, Schema } from "effect"
+import { Context, Deferred, Duration, Effect, Layer, LayerMap, Schema } from "effect"
 import { ErrorCode, Event, type Failure, type Request, RequestID, type Result } from "./protocol"
 
 const log = Log.create({ service: "agent-manager-host" })
@@ -33,11 +35,17 @@ interface Entry {
 }
 
 interface State {
+  context: InstanceContext
+  closed: boolean
   pending: Map<RequestID, Entry>
+  close: () => Effect.Effect<void>
 }
 
+class StateService extends Context.Service<StateService, State>()("@kilocode/AgentManager.State") {}
+
 function matches(request: Request, result: Result) {
   if (request.operation === "overview") return result.operation === "overview"
+  if (!("sessionID" in result)) return false
   return result.operation === request.operation && result.sessionID === request.targetSessionID
 }
 
@@ -58,31 +66,84 @@ export function layer(timeout: Duration.Input = "60 seconds") {
     Service,
     Effect.gen(function* () {
       const bus = yield* Bus.Service
-      const state = yield* InstanceState.make<State>(
-        Effect.fn("AgentManager.state")(function* () {
-          const state = { pending: new Map<RequestID, Entry>() }
-          yield* Effect.addFinalizer(() =>
+      const active = new Map<string, Set<State>>()
+      const states = yield* LayerMap.make(
+        (context: InstanceContext) =>
+          Layer.effect(
+            StateService,
             Effect.gen(function* () {
-              for (const entry of state.pending.values()) {
-                yield* bus.publish(Event.Cancelled, {
-                  requestID: entry.info.id,
-                  sessionID: entry.info.sessionID,
-                  reason: "disposed",
-                })
-                yield* Deferred.fail(
-                  entry.deferred,
-                  new HostError({ code: "disconnected", detail: "The Agent Manager host disconnected" }),
-                )
+              const data = {
+                context,
+                closed: false,
+                pending: new Map<RequestID, Entry>(),
               }
-              state.pending.clear()
+              const done = Effect.gen(function* () {
+                if (data.closed) return
+                data.closed = true
+                for (const entry of data.pending.values()) {
+                  yield* bus
+                    .publish(Event.Cancelled, {
+                      requestID: entry.info.id,
+                      sessionID: entry.info.sessionID,
+                      reason: "disposed",
+                    })
+                    .pipe(Effect.ignore)
+                  yield* Deferred.fail(
+                    entry.deferred,
+                    new HostError({ code: "disconnected", detail: "The Agent Manager host disconnected" }),
+                  )
+                }
+                data.pending.clear()
+              }).pipe(Effect.provideService(InstanceRef, context))
+              const state: State = { ...data, close: () => done }
+              const current = active.get(context.directory) ?? new Set<State>()
+              current.add(state)
+              active.set(context.directory, current)
+              yield* Effect.addFinalizer(() =>
+                done.pipe(
+                  Effect.ensuring(
+                    Effect.sync(() => {
+                      const current = active.get(context.directory)
+                      if (!current) return
+                      current.delete(state)
+                      if (current.size === 0) active.delete(context.directory)
+                    }),
+                  ),
+                ),
+              )
+              return StateService.of(state)
             }),
-          )
-          return state
-        }),
+          ).pipe(Layer.provide(Layer.succeed(InstanceRef, context))),
+        { idleTimeToLive: Duration.infinity },
       )
 
-      const cancel = Effect.fn("AgentManager.cancel")(function* (id: RequestID, reason: "cancelled" | "timeout") {
-        const pending = (yield* InstanceState.get(state)).pending
+      const off = registerDisposer(async (directory) => {
+        const current = active.get(directory)
+        if (!current) return
+        await Effect.runPromise(
+          Effect.forEach(
+            [...current],
+            (state) => state.close().pipe(Effect.ensuring(states.invalidate(state.context))),
+            { concurrency: "unbounded", discard: true },
+          ),
+        )
+      })
+      yield* Effect.addFinalizer(() => Effect.sync(off))
+
+      const state = Effect.fn("AgentManager.state")(function* () {
+        const context = yield* InstanceRef
+        if (!context) return yield* Effect.die(new Error("Agent Manager instance context not available"))
+        return yield* Effect.gen(function* () {
+          return yield* StateService
+        }).pipe(Effect.provide(states.get(context)))
+      })
+
+      const cancel = Effect.fn("AgentManager.cancel")(function* (
+        current: State,
+        id: RequestID,
+        reason: "cancelled" | "timeout",
+      ) {
+        const pending = current.pending
         const entry = pending.get(id)
         if (!entry) return
         pending.delete(id)
@@ -100,7 +161,8 @@ export function layer(timeout: Duration.Input = "60 seconds") {
       })
 
       const request: Interface["request"] = Effect.fn("AgentManager.request")(function* (input) {
-        const pending = (yield* InstanceState.get(state)).pending
+        const current = yield* state()
+        const pending = current.pending
         const id = RequestID.make(Identifier.create("amr", "ascending"))
         const deferred = yield* Deferred.make<Result, HostError>()
         const info = { ...input, id } as Request
@@ -110,18 +172,18 @@ export function layer(timeout: Duration.Input = "60 seconds") {
           return yield* Deferred.await(deferred).pipe(
             Effect.timeoutOrElse({
               duration: timeout,
-              orElse: () => cancel(id, "timeout").pipe(Effect.andThen(Deferred.await(deferred))),
+              orElse: () => cancel(current, id, "timeout").pipe(Effect.andThen(Deferred.await(deferred))),
             }),
           )
-        }).pipe(Effect.ensuring(cancel(id, "cancelled")))
+        }).pipe(Effect.ensuring(cancel(current, id, "cancelled")))
       })
 
       const list: Interface["list"] = Effect.fn("AgentManager.list")(function* () {
-        return Array.from((yield* InstanceState.get(state)).pending.values(), (entry) => entry.info)
+        return Array.from((yield* state()).pending.values(), (entry) => entry.info)
       })
 
       const reply: Interface["reply"] = Effect.fn("AgentManager.reply")(function* (input) {
-        const pending = (yield* InstanceState.get(state)).pending
+        const pending = (yield* state()).pending
         const entry = pending.get(input.requestID)
         if (!entry) {
           log.warn("reply for unknown request", { requestID: input.requestID })
@@ -133,7 +195,7 @@ export function layer(timeout: Duration.Input = "60 seconds") {
       })
 
       const reject: Interface["reject"] = Effect.fn("AgentManager.reject")(function* (input) {
-        const pending = (yield* InstanceState.get(state)).pending
+        const pending = (yield* state()).pending
         const entry = pending.get(input.requestID)
         if (!entry) {
           log.warn("rejection for unknown request", { requestID: input.requestID })

packages/opencode/test/kilocode/agent-manager-service.test.ts

@@ -1,6 +1,7 @@
 import { expect } from "bun:test"
 import { Bus } from "@/bus"
 import { GlobalBus, type GlobalEvent } from "@/bus/global"
+import { InstanceRef } from "@/effect/instance-ref"
 import { disposeInstance } from "@/effect/instance-registry"
 import { Event, type Request } from "@/kilocode/agent-manager/protocol"
 import { AgentManager, HostError } from "@/kilocode/agent-manager/service"
@@ -10,12 +11,25 @@ import { TestInstance } from "../fixture/fixture"
 import { testEffect } from "../lib/effect"
 
 const it = testEffect(AgentManager.layer("20 millis").pipe(Layer.provideMerge(Bus.layer)))
+const isolation = testEffect(AgentManager.layer("20 millis").pipe(Layer.provideMerge(Bus.layer)))
 const sessionID = SessionID.make("ses_agent_manager_test")
 
 function request(manager: AgentManager.Interface) {
   return manager.request({ operation: "overview", sessionID })
 }
 
+function context(directory: string) {
+  return {
+    directory,
+    worktree: directory,
+    project: { id: directory, worktree: directory, vcs: "git", sandboxes: [] },
+  } as never
+}
+
+function provide(directory: string, value = context(directory)) {
+  return <A, E, R>(effect: Effect.Effect<A, E, R>) => effect.pipe(Effect.provideService(InstanceRef, value))
+}
+
 it.instance(
   "publishes, lists, and completes a correlated request",
   () =>
@@ -51,6 +65,50 @@ it.instance(
   { git: true },
 )
 
+isolation.live("keeps pending requests isolated by instance context", () =>
+  Effect.gen(function* () {
+    const manager = yield* AgentManager.Service
+    const one = "/agent-manager-test-one"
+    const two = "/agent-manager-test-two"
+    const oneContext = context(one)
+    const twoContext = context(two)
+    const first = yield* request(manager).pipe(provide(one, oneContext), Effect.forkScoped)
+    const second = yield* request(manager).pipe(provide(two, twoContext), Effect.forkScoped)
+    const pendingOne = yield* manager
+      .list()
+      .pipe(provide(one, oneContext), Effect.repeat({ until: (items) => items.length === 1 }))
+    const pendingTwo = yield* manager
+      .list()
+      .pipe(provide(two, twoContext), Effect.repeat({ until: (items) => items.length === 1 }))
+
+    expect(pendingOne[0].id).not.toBe(pendingTwo[0].id)
+    expect(
+      yield* manager
+        .reply({
+          requestID: pendingOne[0].id,
+          result: { operation: "overview", overview: { sections: [], ungrouped: [] } },
+        })
+        .pipe(provide(two, twoContext), Effect.flip),
+    ).toMatchObject({ _tag: "AgentManager.NotFoundError" })
+
+    yield* manager
+      .reply({
+        requestID: pendingOne[0].id,
+        result: { operation: "overview", overview: { sections: [], ungrouped: [] } },
+      })
+      .pipe(provide(one, oneContext))
+    yield* manager
+      .reject({
+        requestID: pendingTwo[0].id,
+        error: { code: "stale_session", message: "The target session is stale" },
+      })
+      .pipe(provide(two, twoContext))
+
+    expect(yield* Fiber.join(first)).toMatchObject({ operation: "overview" })
+    expect((yield* Fiber.join(second).pipe(Effect.flip)).code).toBe("stale_session")
+  }),
+)
+
 it.instance(
   "propagates host rejection and rejects mismatched prompt acknowledgements",
   () =>
@@ -118,6 +176,7 @@ it.instance(
       yield* Effect.promise(() => disposeInstance(instance.directory))
       const error = yield* Fiber.join(fiber).pipe(Effect.flip)
       expect(error.code).toBe("disconnected")
+      expect(yield* manager.list()).toEqual([])
     }),
   { git: true },
 )

script/architecture-allowlist.json

@@ -7,7 +7,6 @@
       "description": "Legacy InstanceState.make usages in Kilo-owned code (packages/opencode/src/kilocode/**, packages/opencode/src/kilo-*/**). Target: encapsulate in scoped Effect Services in packages/core.",
       "allowed": {
         "packages/opencode/src/kilo-sessions/kilo-sessions.ts": { "count": 1, "owner": "session-runtime", "reason": "Kilo session coordination state" },
-        "packages/opencode/src/kilocode/agent-manager/service.ts": { "count": 1, "owner": "agent-manager", "reason": "Agent Manager multi-project worktree state" },
         "packages/opencode/src/kilocode/background-process/index.ts": { "count": 1, "owner": "process-runtime", "reason": "Directory-keyed background process registry" },
         "packages/opencode/src/kilocode/interactive-terminal/index.ts": { "count": 1, "owner": "terminal-runtime", "reason": "Interactive terminal manager state" },
         "packages/opencode/src/kilocode/notebook/service.ts": { "count": 1, "owner": "notebook-runtime", "reason": "Notebook cell execution service state" },