Fix Gradio runtime errors

app.py

@@ -4,6 +4,9 @@ HuggingFace Space App - Voice Model RL Training
 Production-grade Gradio interface for training and comparing voice models.
 """
 import os
+# Fix OMP threading warning
+os.environ["OMP_NUM_THREADS"] = "1"
+
 import sys
 import json
 import logging
@@ -455,8 +458,8 @@ if __name__ == "__main__":
     app = create_app()
     app.queue()
     app.launch(
+        share=True,
         server_name="0.0.0.0",
         server_port=7860,
-        share=False,
         show_api=False
     )