Create portable QR scanning page module with:
- WeChat native camera integration with overlay system
- Animated QR targeting arcs and visual feedback
- Torch/flash controls and camera setup
- Inline modal system (verification, guide, service)
- Return page navigation support via query parameter
- Debug overlay and device detection
- Complete asset bundle (arc.png, qrmarkers.png, buttons)
Module can be integrated into other WeChat Mini Programs by copying pages/emblemscanner/ directory.
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Co-Authored-By: Claude <noreply@anthropic.com>
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