DEMO_MODE=true STORAGE_DIR=backend/data FRONTEND_ORIGIN=http://localhost:5173 WHISPER_MODEL_ID=openai/whisper-large-v3 QWEN_TEXT_MODEL_ID=Qwen/Qwen2.5-7B-Instruct QWEN_VL_MODEL_ID=Qwen/Qwen2-VL-7B-Instruct HF_TOKEN= TARGET_CLIP_COUNT=5 MAX_CLIPS=10 FFMPEG_BINARY=ffmpeg FFPROBE_BINARY=ffprobe FFMPEG_VIDEO_CODEC=h264_amf FFMPEG_CPU_CODEC=libx264 REDIS_URL=redis://redis:6379/0 CELERY_ENABLED=false