Hardcode agent stale timeout

app/api/routes_config.py

@@ -27,14 +27,12 @@ def update_config(body: UpdateConfigRequest):
     cfg = config_service.update_config(
         default_wait_seconds=body.default_wait_seconds,
         default_empty_response=body.default_empty_response,
-        agent_stale_after_seconds=body.agent_stale_after_seconds,
     )
     event_service.broadcast(
         "config.updated",
         {
             "default_wait_seconds": cfg.default_wait_seconds,
             "default_empty_response": cfg.default_empty_response,
-            "agent_stale_after_seconds": cfg.agent_stale_after_seconds,
         },
     )
     return cfg

app/config.py

@@ -11,6 +11,7 @@ from dataclasses import dataclass, field
 
 APP_VERSION = "1.0.1"
 DEFAULT_EMPTY_RESPONSE = "call this tool `get_user_request` again to fetch latest user input..."
+AGENT_STALE_AFTER_SECONDS = 30
 
 
 @dataclass
@@ -28,7 +29,6 @@ class Settings:
     # MCP / queue behaviour (runtime-editable values are stored in DB; these are defaults for first run)
     default_wait_seconds: int = 10
     default_empty_response: str = DEFAULT_EMPTY_RESPONSE
-    agent_stale_after_seconds: int = 30
 
     # MCP server name
     mcp_server_name: str = "local-mcp"
@@ -58,7 +58,6 @@ def load_settings() -> Settings:
         log_level=os.getenv("LOG_LEVEL", "INFO"),
         default_wait_seconds=int(os.getenv("DEFAULT_WAIT_SECONDS", "10")),
         default_empty_response=os.getenv("DEFAULT_EMPTY_RESPONSE", DEFAULT_EMPTY_RESPONSE),
-        agent_stale_after_seconds=int(os.getenv("AGENT_STALE_AFTER_SECONDS", "30")),
         mcp_server_name=os.getenv("MCP_SERVER_NAME", "local-mcp"),
         mcp_stateless=_parse_bool(os.getenv("MCP_STATELESS", "true"), default=True),
         api_token=os.getenv("API_TOKEN", ""),

app/database.py

@@ -105,7 +105,6 @@ CREATE TABLE IF NOT EXISTS agent_activity (
 _DEFAULT_SETTINGS = {
     "default_wait_seconds": "10",
     "default_empty_response": DEFAULT_EMPTY_RESPONSE,
-    "agent_stale_after_seconds": "30",
 }
 
 
@@ -125,6 +124,7 @@ def _seed_defaults(conn: sqlite3.Connection) -> None:
         "UPDATE settings SET value = ? WHERE key = 'default_empty_response' AND value = ''",
         (_DEFAULT_SETTINGS["default_empty_response"],),
     )
+    conn.execute("DELETE FROM settings WHERE key = 'agent_stale_after_seconds'")
     conn.commit()
     logger.debug("Default settings seeded")
 

app/models.py

@@ -109,13 +109,11 @@ class StatusResponse(BaseModel):
 class ConfigResponse(BaseModel):
     default_wait_seconds: int
     default_empty_response: str
-    agent_stale_after_seconds: int
 
 
 class UpdateConfigRequest(BaseModel):
     default_wait_seconds: Optional[int] = None
     default_empty_response: Optional[str] = None
-    agent_stale_after_seconds: Optional[int] = None
 
 
 # ---------------------------------------------------------------------------

app/services/config_service.py

@@ -13,7 +13,6 @@ from app.models import ConfigResponse
 
 logger = logging.getLogger(__name__)
 
-_SETTING_KEYS = {"default_wait_seconds", "default_empty_response", "agent_stale_after_seconds"}
 def get_config() -> ConfigResponse:
     with get_conn() as conn:
         rows = conn.execute("SELECT key, value FROM settings").fetchall()
@@ -21,22 +20,18 @@ def get_config() -> ConfigResponse:
     return ConfigResponse(
         default_wait_seconds=int(data.get("default_wait_seconds", 10)),
         default_empty_response=data.get("default_empty_response") or DEFAULT_EMPTY_RESPONSE,
-        agent_stale_after_seconds=int(data.get("agent_stale_after_seconds", 30)),
     )
 
 
 def update_config(
     default_wait_seconds: int | None = None,
     default_empty_response: str | None = None,
-    agent_stale_after_seconds: int | None = None,
 ) -> ConfigResponse:
     updates: dict[str, str] = {}
     if default_wait_seconds is not None:
         updates["default_wait_seconds"] = str(default_wait_seconds)
     if default_empty_response is not None:
         updates["default_empty_response"] = default_empty_response
-    if agent_stale_after_seconds is not None:
-        updates["agent_stale_after_seconds"] = str(agent_stale_after_seconds)
 
     if updates:
         with get_write_conn() as conn:

app/services/status_service.py

@@ -10,6 +10,7 @@ import sqlite3
 from datetime import datetime, timezone
 from typing import Optional
 
+from app.config import AGENT_STALE_AFTER_SECONDS
 from app.database import get_conn, get_write_conn
 
 logger = logging.getLogger(__name__)
@@ -55,25 +56,15 @@ def get_latest_agent_activity() -> Optional[sqlite3.Row]:
         ).fetchone()
 
 
-def get_agent_stale_seconds() -> int:
-    """Read agent_stale_after_seconds from settings table."""
-    with get_conn() as conn:
-        row = conn.execute(
-            "SELECT value FROM settings WHERE key = 'agent_stale_after_seconds'"
-        ).fetchone()
-    return int(row["value"]) if row else 30
-
-
 def is_agent_connected() -> bool:
     """True if the most recent agent activity is within the stale threshold."""
     row = get_latest_agent_activity()
     if row is None:
         return False
-    stale_seconds = get_agent_stale_seconds()
     last_seen = datetime.fromisoformat(row["last_seen_at"])
     now = datetime.now(timezone.utc)
     if last_seen.tzinfo is None:
         last_seen = last_seen.replace(tzinfo=timezone.utc)
     delta = (now - last_seen).total_seconds()
-    return delta <= stale_seconds
+    return delta <= AGENT_STALE_AFTER_SECONDS