APP_HOST=127.0.0.1 APP_PORT=8000 GROQ_API_KEY= ELEVENLABS_API_KEY= PIXABAY_API_KEY= OUTPUT_DIR=data/output CACHE_DIR=data/cache LOG_LEVEL=INFO DEFAULT_TTS_MODEL=eleven_v3 DEFAULT_LLM_MODEL=qwen/qwen3.6-27b FFMPEG_BIN=ffmpeg FFPROBE_BIN=ffprobe APPROVAL_TIMEOUT_SECONDS=0 MAX_LLM_RETRIES=3 LLM_MIN_INTERVAL_SECONDS=2.5 MAX_MEDIA_RETRIES=3 MAX_TTS_RETRIES=2