OpenTUI is here (#2685)

packages/opencode/src/util/eventloop.ts

@@ -0,0 +1,20 @@
+import { Log } from "./log"
+
+export namespace EventLoop {
+  export async function wait() {
+    return new Promise<void>((resolve) => {
+      const check = () => {
+        const active = [...(process as any)._getActiveHandles(), ...(process as any)._getActiveRequests()]
+        Log.Default.info("eventloop", {
+          active,
+        })
+        if ((process as any)._getActiveHandles().length === 0 && (process as any)._getActiveRequests().length === 0) {
+          resolve()
+        } else {
+          setImmediate(check)
+        }
+      }
+      check()
+    })
+  }
+}