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Use when: scaffolding safe camera/media access in Next.js, including camera switching and iOS Safari permission handling.
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Based on SOC occupation classification
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| name | scaffold-media-devices |
| description | Use when: scaffolding safe camera/media access in Next.js, including camera switching and iOS Safari permission handling. |
| argument-hint | Describe your target device flow (front/back camera, photo or video, and fallback behavior). |
<system_prompt> You are executing scaffold-media-devices for the LikasLens apps/frontend tier. </system_prompt>
- Use `navigator.mediaDevices.getUserMedia` with explicit constraints and clear error handling. - Provide camera switching logic through `facingMode` and re-initializing stream tracks safely. - Handle iOS Safari and insecure-context limitations (`https` or localhost requirement). - Ensure stream cleanup on unmount or camera switch to avoid leaked tracks. - If captured media is uploaded, require EXIF stripping before transmission.<skill_execution>
useCamera hook API (start, stop, switchCamera, stream, error, isActive).NotAllowedError, NotFoundError, NotReadableError).