- Fix scanner listener initialization in class component
* Replace Vue ref with direct class property for scanListener
* Remove unnecessary .value accesses throughout the code
- Enhance error handling and cleanup
* Add proper cleanup on scanner errors
* Add cleanup in stopScanning method
* Improve error message formatting
* Add error handling in handleScanResult
- Improve state management
* Move state updates into try/catch blocks
* Add finally block to reset state after scan processing
* Better handling of processing states during scanning
- Add comprehensive logging
* Log each step of scanner initialization
* Add detailed error logging
* Format object logs to prevent [object Object] output
- Code style improvements
* Fix indentation throughout the file
* Consistent error handling patterns
* Better code organization and readability
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