Move service state into InstanceState, flatten service facades (#18483)

packages/opencode/src/effect/run-service.ts

@@ -0,0 +1,13 @@
+import { Effect, Layer, ManagedRuntime } from "effect"
+import * as ServiceMap from "effect/ServiceMap"
+
+export const memoMap = Layer.makeMemoMapUnsafe()
+
+export function makeRunPromise<I, S, E>(service: ServiceMap.Service<I, S>, layer: Layer.Layer<I, E>) {
+  let rt: ManagedRuntime.ManagedRuntime<I, E> | undefined
+
+  return <A, Err>(fn: (svc: S) => Effect.Effect<A, Err, I>, options?: Effect.RunOptions) => {
+    rt ??= ManagedRuntime.make(layer, { memoMap })
+    return rt.runPromise(service.use(fn), options)
+  }
+}