Add logging

Signed-off-by: Aivin V. Solatorio <avsolatorio@gmail.com>

mcp_client.py

@@ -123,18 +123,23 @@ class MCPClientWrapper:
         self, message: str, history: List[Union[Dict[str, Any], ChatMessage]]
     ) -> tuple:
         if not self.session:
-            return history + [
+            messages = history + [
                 {"role": "user", "content": message},
                 {
                     "role": "assistant",
                     "content": "Please connect to an MCP server first.",
                 },
-            ], gr.Textbox(value="")
+            ]
+        else:
+            new_messages = loop.run_until_complete(
+                self._process_query(message, history)
+            )
+            messages = history + [{"role": "user", "content": message}] + new_messages
+
+        with open("messages.log.jsonl", "a+") as fl:
+            fl.write(json.dumps(dict(time=f"{datetime.now()}", messages=messages)))
 
-        new_messages = loop.run_until_complete(self._process_query(message, history))
-        return history + [
-            {"role": "user", "content": message}
-        ] + new_messages, gr.Textbox(value="")
+        return messages, gr.Textbox(value="")
 
     async def _process_query(
         self, message: str, history: List[Union[Dict[str, Any], ChatMessage]]