Hardcode Python default empty response

app/mcp_server.py

@@ -13,7 +13,7 @@ from typing import Optional
 
 from mcp.server.fastmcp import FastMCP, Context
 
-from app.config import settings
+from app.config import DEFAULT_EMPTY_RESPONSE, settings
 from app.services import config_service, event_service, instruction_service, status_service
 
 logger = logging.getLogger(__name__)
@@ -38,9 +38,6 @@ _MAX_WAIT_SECONDS = 86400  # 24 hours
 # multiple keepalive progress updates.
 DEFAULT_WAIT_SECONDS = 50
 
-# Default response when queue is empty after waiting
-DEFAULT_EMPTY_RESPONSE = "call this tool `get_user_request` again to fetch latest user input..."
-
 # Per-agent generation counter — incremented on every new call.
 # The wait loop only consumes an instruction when it holds the latest generation,
 # preventing abandoned (timed-out) coroutines from silently consuming queue items.
@@ -65,7 +62,6 @@ KEEPALIVE_INTERVAL_SECONDS: float = 5.0
 @mcp.tool()
 async def get_user_request(
     agent_id: str = "unknown",
-    default_response_override: Optional[str] = None,
     ctx: Optional[Context] = None,
 ) -> dict:
     """
@@ -76,8 +72,6 @@ async def get_user_request(
 
     Args:
         agent_id: An identifier for this agent instance (used to track connectivity).
-        default_response_override: Override the server-default empty response text
-                                   for this single call.
 
     Returns:
         A dict with keys: status, result_type, instruction, response,
@@ -222,11 +216,7 @@ async def get_user_request(
         status_service.record_agent_activity(agent_id, "empty")
         event_service.broadcast("status.changed", {})
 
-    empty_response = (
-        default_response_override
-        if default_response_override is not None
-        else DEFAULT_EMPTY_RESPONSE
-    )
+    empty_response = DEFAULT_EMPTY_RESPONSE
     result_type = "default_response" if empty_response else "empty"
 
     if _i_am_active():