foward message issue

app.py

@@ -33,7 +33,7 @@ class ReliableSearchTool(Tool):
         self.max_retries = 2
         self.timeout = 8
         
-    def __call__(self, query: str) -> str:
+    def forward(self, query: str) -> str:
         """Search the web with retry logic and fallbacks."""
         for attempt in range(self.max_retries):
             try: