server:
  port: 18000
  log_level: INFO

dashscope:
  api_key: ""  # override with DASHSCOPE_API_KEY in .env or environment
  base_url: "https://dashscope.aliyuncs.com/compatible-mode/v1"
  fine_tune_base_url: "https://dashscope.aliyuncs.com/api/v1"

storage:
  buckets:
    source_data: "label-source-data"
    finetune_export: "finetune-export"

backend: {}   # callback_url injected via BACKEND_CALLBACK_URL env var

video:
  frame_sample_count: 8    # uniform frames sampled for video-to-text
  max_file_size_mb: 500    # video size limit (override with MAX_VIDEO_SIZE_MB)
  keyframe_diff_threshold: 30.0  # grayscale mean-diff threshold for keyframe detection

models:
  default_text: "qwen-plus"
  default_vision: "qwen-vl-plus"