refactor(agent): remove async facade exports (#22341)

packages/opencode/test/session/system.test.ts

@@ -4,7 +4,11 @@ import { Effect } from "effect"
 import { Agent } from "../../src/agent/agent"
 import { Instance } from "../../src/project/instance"
 import { SystemPrompt } from "../../src/session/system"
-import { tmpdir } from "../fixture/fixture"
+import { provideInstance, tmpdir } from "../fixture/fixture"
+
+function load<A>(dir: string, fn: (svc: Agent.Interface) => Effect.Effect<A>) {
+  return Effect.runPromise(provideInstance(dir)(Agent.Service.use(fn)).pipe(Effect.provide(Agent.defaultLayer)))
+}
 
 describe("session.system", () => {
   test("skills output is sorted by name and stable across calls", async () => {
@@ -38,7 +42,7 @@ description: ${description}
       await Instance.provide({
         directory: tmp.path,
         fn: async () => {
-          const build = await Agent.get("build")
+          const build = await load(tmp.path, (svc) => svc.get("build"))
           const runSkills = Effect.gen(function* () {
             const svc = yield* SystemPrompt.Service
             return yield* svc.skills(build!)