Placeholder text shown for empty LLM responses

Fixes on record

Merged to main. A stamp counts the issues a fix is linked to.

• #11021 fix: empty response nudge crash + placeholder leak to cron targets

  merged to main

  files: cron/scheduler.py, gateway/run.py, run_agent.py, scripts/release.py

  Show the diff

  • cron/scheduler.py

    @@ -837,6 +837,9 @@ def run_job(job: dict) -> tuple[bool, str, str, Optional[str]]:
                 )
     
             final_response = result.get("final_response", "") or ""
    +        # Strip leaked placeholder text that upstream may inject on empty completions.
    +        if final_response.strip() == "(No response generated)":
    +            final_response = ""
             # Use a separate variable for log display; keep final_response clean
             # for delivery logic (empty response = no delivery).
             logged_response = final_response if final_response else "(No response generated)"

  • gateway/run.py

    @@ -8886,7 +8886,7 @@ def _approval_notify_sync(approval_data: dict) -> None:
                 _resolved_model = getattr(_agent, "model", None) if _agent else None
     
                 if not final_response:
    -                error_msg = f"⚠️ {result['error']}" if result.get("error") else "(No response generated)"
    +                error_msg = f"⚠️ {result['error']}" if result.get("error") else ""
                     return {
                         "final_response": error_msg,
                         "messages": result.get("messages", []),

  • run_agent.py

    @@ -10945,8 +10945,9 @@ def _stop_spinner():
                                 #   tool(result) → assistant("(empty)") → user(nudge)
                                 # Without this, we'd have tool → user which most
                                 # APIs reject as an invalid sequence.
    -                            assistant_msg["content"] = "(empty)"
    -                            messages.append(assistant_msg)
    +                            _nudge_msg = self._build_assistant_message(assistant_message, finish_reason)
    +                            _nudge_msg["content"] = "(empty)"
    +                            messages.append(_nudge_msg)
                                 messages.append({
                                     "role": "user",
                                     "content": (

  • scripts/release.py

    @@ -179,6 +179,7 @@
         "[redacted:email]": "limars874",
         "[redacted:email]": "lesterli",
         "[redacted:email]": "MagicRay1217",
    +    "[redacted:email]": "GenKoKo",
         "[redacted:email]": "spniyant",
         "[redacted:email]": "olafthiele",
         "[redacted:email]": "sprmn24",