fix(node2): Add detailed logging for router_healthy determination

services/city-service/routes_city.py

@@ -4576,14 +4576,21 @@ async def get_dagi_router_agents(node_id: str):
     router_healthy = None
     try:
         metrics = await repo_city.get_node_metrics(node_id)
-        if metrics and metrics.get("router_healthy") is not None:
-            router_healthy = bool(metrics.get("router_healthy", False))
-            logger.info(f"Using router_healthy from node_cache for {node_id}: {router_healthy}")
+        if metrics:
+            router_healthy_raw = metrics.get("router_healthy")
+            if router_healthy_raw is not None:
+                router_healthy = bool(router_healthy_raw)
+                logger.info(f"[{node_id}] Using router_healthy from node_cache: {router_healthy} (raw: {router_healthy_raw})")
+            else:
+                logger.debug(f"[{node_id}] router_healthy is None in node_cache")
+        else:
+            logger.debug(f"[{node_id}] No metrics found in node_cache")
     except Exception as e:
-        logger.debug(f"Failed to get cached router health for {node_id}: {e}")
+        logger.warning(f"[{node_id}] Failed to get cached router health: {e}")
     
     # Fallback: try direct health check (only works for local nodes like NODE1)
     if router_healthy is None:
+        logger.info(f"[{node_id}] router_healthy is None, trying direct health check")
         endpoints = await repo_city.get_node_endpoints(node_id)
         base_url = endpoints.get("router_url")
         
@@ -4596,9 +4603,16 @@ async def get_dagi_router_agents(node_id: str):
                     # Router can return "healthy" or "ok"
                     status = data.get("status", "").lower()
                     router_healthy = status in ("healthy", "ok")
-                    logger.debug(f"Direct router health check for {node_id}: {router_healthy}")
+                    logger.info(f"[{node_id}] Direct router health check: {router_healthy}")
             except Exception as e:
-                logger.debug(f"Failed to check router health for {node_id} at {base_url}: {e}")
+                logger.warning(f"[{node_id}] Failed to check router health at {base_url}: {e}")
+    
+    # Final fallback
+    if router_healthy is None:
+        router_healthy = False
+        logger.warning(f"[{node_id}] router_healthy is None after all checks, defaulting to False")
+    
+    logger.info(f"[{node_id}] Final router_healthy value: {router_healthy}")
     
     # Get agents from DB for this node
     try: