Normalize instance lifecycle wiring (#25501)

packages/opencode/src/project/with-instance.ts

@@ -0,0 +1,10 @@
+import { AppRuntime } from "@/effect/app-runtime"
+import { context } from "./instance-context"
+import { InstanceStore } from "./instance-store"
+
+export async function provide<R>(input: { directory: string; fn: () => R }): Promise<R> {
+  const ctx = await AppRuntime.runPromise(InstanceStore.Service.use((store) => store.load({ directory: input.directory })))
+  return context.provide(ctx, () => input.fn())
+}
+
+export * as WithInstance from "./with-instance"