fix: restore instance context in prompt runs (#22498)

packages/opencode/test/effect/app-runtime-logger.test.ts

@@ -1,8 +1,11 @@
 import { expect, test } from "bun:test"
 import { Context, Effect, Layer, Logger } from "effect"
 import { AppRuntime } from "../../src/effect/app-runtime"
+import { InstanceRef } from "../../src/effect/instance-ref"
 import { EffectLogger } from "../../src/effect/logger"
 import { makeRuntime } from "../../src/effect/run-service"
+import { Instance } from "../../src/project/instance"
+import { tmpdir } from "../fixture/fixture"
 
 function check(loggers: ReadonlySet<Logger.Logger<unknown, any>>) {
   return {
@@ -40,3 +43,19 @@ test("AppRuntime also installs EffectLogger through Observability.layer", async
   expect(current.effectLogger).toBe(true)
   expect(current.defaultLogger).toBe(false)
 })
+
+test("AppRuntime attaches InstanceRef from ALS", async () => {
+  await using tmp = await tmpdir({ git: true })
+
+  const dir = await Instance.provide({
+    directory: tmp.path,
+    fn: () =>
+      AppRuntime.runPromise(
+        Effect.gen(function* () {
+          return (yield* InstanceRef)?.directory
+        }),
+      ),
+  })
+
+  expect(dir).toBe(tmp.path)
+})