feat(remotes): full remote walkthrough, complete local remotes with editable functions

backend/src/app.py

@@ -149,6 +149,12 @@ class App(ChatMixin):
                 tools.append(RemoteToolSpec(connection, fn, name=prefix + fn.name))
         return tools
 
+    def resolve_remote_call(self, request_id, result=None, error=None):
+        if result is not None:
+            RemoteConnection.resolve(request_id, result);
+        else:
+            RemoteConnection.reject(request_id, error);
+
     # --- Agent Methods (Asynchronous) ---
 
     async def get_agent(self, agent_id):