feat: send agent prompt -> prompt agent

backend/src/app.py

@@ -47,7 +47,8 @@ class App(ChatMixin, AgentMixin):
         ]
 
         from features.calc import Calc
-        self.tool_classes = [Calc]
+        from features.web import WebSearch, WebFetch
+        self.tool_classes = [Calc, WebSearch, WebFetch]
 
     # --- Connection Management (Synchronous) ---