debug: Add comprehensive logging to verify STT service audio reception

fix: Remove invalid router.setup() call causing AttributeError

fix: Use FastAPI router direct manipulation for WebSocket endpoint

fix: Improve WebSocket endpoint registration using add_api_websocket_route

fix: Resolve syntax error with WebSocket exception handling indentation

feat: Add WebSocket support for real-time STT integration

fix: Complete uvicorn logging conflict elimination

fix: Completely resolve logging conflicts and Gradio API issues

fix: Resolve ZeroGPU logging conflicts with MCP integration

feat: Add MCP server capabilities alongside Gradio interface