Podcast Maker: Fix progress modals, research JSON, header stepper, voice/podcastMode chips

backend/services/llm_providers/huggingface_provider.py

@@ -250,10 +250,6 @@ def huggingface_text_response(
         
         logger.info("🚀 Making Hugging Face API call (chat completion)...")
         
-        # Add rate limiting to prevent expensive API calls
-        import time
-        time.sleep(1)  # 1 second delay between API calls
-        
         response = None
         last_error = None
         for candidate_model in _fallback_model_sequence(model):
@@ -403,10 +399,6 @@ def huggingface_structured_json_response(
         json_schema_str = json.dumps(schema, indent=2)
         messages[-1]["content"] += f"\n\nJSON Schema:\n{json_schema_str}"
         
-        # Add rate limiting to prevent expensive API calls
-        import time
-        time.sleep(1)  # 1 second delay between API calls
-        
         try:
             response = None
             last_error = None