Make chat more responsive

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

mcp_remote_client.py

@@ -153,14 +153,23 @@ class MCPClientWrapper:
             ]
             yield messages, gr.Textbox(value="")
         else:
-            messages = history + [{"role": "user", "content": message}]
+            messages = history + [
+                {"role": "user", "content": message},
+                {
+                    "role": "assistant",
+                    "content": "Ok, let me think about your query 🤔...",
+                },
+            ]
 
             yield messages, gr.Textbox(value="")
+            # simulate thinking with asyncio.sleep
+            await asyncio.sleep(0.1)
+            messages.pop(-1)
 
             async for partial in self._process_query(message, history):
                 messages.extend(partial)
-
                 yield messages, gr.Textbox(value="")
+                await asyncio.sleep(0.05)
 
                 if (
                     messages[-1]["role"] == "assistant"