{"name":"Voice Engine API","version":"2.0.0","features":["Reference audio caching for speed optimization","Full path output with auto-overwrite","Public static file serving"],"endpoints":{"POST /api/upload":"Upload reference audio file","POST /api/tts/generate":"Generate TTS (JSON body)","GET /api/files/{path}":"List files in directory","GET /api/mp3/list":"List MP3 files in folder (query param: ?folder=name)","GET /api/mp3/folders":"List all folders containing MP3 files","DELETE /api/mp3/delete":"Delete MP3 file (protected: cannot delete 'default' files)","GET /api/cache/info":"Get cache information","DELETE /api/cache/clear":"Clear cache","GET /health":"Health check"}}