feat(dashboard): add debug endpoint to clear dispatcher cooldowns

POST /api/debug/clear-cooldowns clears both in-memory toggle
cooldown map and SQLite dispatcher_cooldowns table.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

meshai/dashboard/api/debug_routes.py

@@ -0,0 +1,33 @@
+"""Debug API endpoints for development/ops use."""
+import logging
+from fastapi import APIRouter, Request
+
+logger = logging.getLogger(__name__)
+router = APIRouter(tags=["debug"])
+
+
+@router.post("/debug/clear-cooldowns")
+async def clear_cooldowns(request: Request):
+    """Delete all dispatcher cooldown state (in-memory + SQLite)."""
+    # Get dispatcher from pipeline components on the event bus
+    bus = getattr(request.app.state, "bus", None)
+    if bus is None:
+        return {"cleared": False, "error": "event bus not available"}
+    comps = getattr(bus, "_pipeline_components", None) or {}
+    dispatcher = comps.get("dispatcher")
+    if dispatcher is None:
+        return {"cleared": False, "error": "dispatcher not available"}
+
+    # Clear in-memory cooldown map
+    dispatcher._toggle_cooldown.clear()
+
+    # Clear SQLite cooldowns table
+    try:
+        from meshai.persistence import get_db
+        conn = get_db()
+        conn.execute("DELETE FROM dispatcher_cooldowns")
+        logger.info("debug: cleared all dispatcher cooldowns")
+    except Exception:
+        logger.exception("debug: failed to clear dispatcher_cooldowns table")
+
+    return {"cleared": True}

meshai/dashboard/server.py

@@ -55,6 +55,7 @@ def create_app() -> FastAPI:
     from .api.env_routes import router as env_router
     from .api.alert_routes import router as alert_router
     from .api.notification_routes import router as notification_router
+    from .api.debug_routes import router as debug_router
 
     app.include_router(system_router, prefix="/api")
     app.include_router(adapter_config_router, prefix="/api")
@@ -65,6 +66,7 @@ def create_app() -> FastAPI:
     app.include_router(alert_router, prefix="/api")
 
     app.include_router(notification_router, prefix="/api")
+    app.include_router(debug_router, prefix="/api")
     # WebSocket router (no prefix, path is /ws/live)
     app.include_router(ws_router)
 
@@ -118,6 +120,7 @@ async def start_dashboard(meshai_instance: "MeshAI") -> DashboardBroadcaster:
     app.state.subscription_manager = meshai_instance.subscription_manager
     app.state.notification_router = getattr(meshai_instance, "notification_router", None)
     app.state.connector = meshai_instance.connector
+    app.state.bus = getattr(meshai_instance, "event_bus", None)
 
     # Create broadcaster and attach to app state
     broadcaster = DashboardBroadcaster()