adding back force gradio for sim

src/reachy_mini_conversation_app/main.py

@@ -1,6 +1,7 @@
 """Entrypoint for the Reachy Mini conversation app."""
 
 import os
+import sys
 import time
 import asyncio
 import argparse
@@ -72,13 +73,13 @@ def run(
             logger.info("Using default backend for lite version")
             robot = ReachyMini(media_backend="default")
 
-    # # Check if running in simulation mode without --gradio
-    # if robot.client.get_status()["simulation_enabled"] and not args.gradio:
-    #     logger.error(
-    #         "Simulation mode requires Gradio interface. Please use --gradio flag when running in simulation mode.",
-    #     )
-    #     robot.client.disconnect()
-    #     sys.exit(1)
+    # Check if running in simulation mode without --gradio
+    if robot.client.get_status()["simulation_enabled"] and not args.gradio:
+        logger.error(
+            "Simulation mode requires Gradio interface. Please use --gradio flag when running in simulation mode.",
+        )
+        robot.client.disconnect()
+        sys.exit(1)
 
     camera_worker, _, vision_manager = handle_vision_stuff(args, robot)