extract-avatar-headshotlisted

# Extract Avatar Headshot / 抽取头像 ## When to use / 何时使用 HeyGen avatar enrollment requires a centered, well-lit headshot. This skill crops one from a photo. HeyGen 录制头像需要居中、光线良好的头像照。本 skill 从用户照片中裁出。 ## Inputs / 输入 - `inputs/user_photo.jpg` or `inputs/user_clip.mp4`. ## Output / 输出 - `workspace/avatar/headshot.png` (1024×1024, face-centered, neutral bg if `--matte` set). ## Steps / 步骤 1. Detect face (mediapipe / opencv). 2. Crop to square, face center at 50%/40% (Y), pad 25%. 3. Optional background matte via `rembg`. 4. Save PNG; if `--matte`, also save `headshot_matte.png`. ## Examples / 示例 ``` claude run extract-avatar-headshot --input inputs/user_photo.jpg --matte ``` ## Failure recovery / 失败回退 - If no face detected, surface error and ask for a clearer photo. - If multiple faces, pick largest and warn.