Keep orchestrator alive without stdin

orchestrator/main.py

@@ -1,5 +1,6 @@
 import json
 import threading
+import time
 
 from redis_client import get_redis_client
 from result_listener import listen_for_results
@@ -34,13 +35,17 @@ def main():
     )
     listener.start()
 
-    print("orchestrator ready")
+    print("[orchestrator] ready")
     while True:
         try:
             command = input("> ").strip()
-        except (EOFError, KeyboardInterrupt):
+        except EOFError:
+            print("[orchestrator] stdin closed, waiting...")
+            time.sleep(2)
+            continue
+        except KeyboardInterrupt:
             print()
-            break
+            continue
 
         if not command:
             continue