Major enhancements to the emblemscanner module:
**Camera System:**
- Device-specific camera rules from Themblem API
- Web-view fallback for problematic devices in same page
- Loading spinner prevents camera mode jumping
- Debug mode with comprehensive diagnostics
**Self-contained Architecture:**
- Inline utility functions (no external dependencies)
- Camera rule matching and API integration
- Web-view URL generation with proper parameters
- Message handling for web-view QR results
**UI Improvements:**
- Hide overlays during loading state
- Enhanced debug overlay with camera rule info
- Worker/native camera mode detection
- Loading feedback with "初始化相机..." message
Module is now production-ready for camera setup and UI, with framework for QR processing integration.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
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