Replaced QVBoxLayout with QGridLayout for flexible positioning in `DeviceWidget`. Added overlays, labels, and interactive buttons to improve UI and functionality. Introduced new image assets for icons and removed unused files to optimize resources.
Commented out unused tutorial window logic in MainWindow to simplify initialization. Updated CollapsibleSection to support light and dark themes dynamically, improving visual consistency based on the application's palette.
Removed redundant "numbers" field from Account model and database queries to simplify account structure. Introduced a TutorialWindow class for displaying application tutorials, integrated into the main window, and updated file paths accordingly. Improved string handling and logic in Payment routines and enhanced overall UI structure.
Introduced a new `NetworkService` for posting account and device data efficiently. Improved the transaction UI with styled tables and added lazy content loading. Changed screenshot handling to return JPEG data directly, and restructured device processing for better error handling and data integration.
Added AccountWindow to display account tables linked to devices and TransactionWindow for viewing account details. Enhanced DeviceDAO and AccountDAO to support additional filtering and data retrieval functionalities.
Introduced a navigation menu with actions "Окно 1" and "Окно 2" in `MainWindow`. Cleaned up commented-out code and adjusted formatting in `main.cpp` for clarity.
Updated include paths for consistent structure under the `db` directory. Added `AccountInfoScreener` for parsing card data using Tesseract OCR and enhanced related models. Removed unused code and simplified main workflow.
