Added FileSubPath property to Files entity and IFiles interface for sub-path storage. Updated IFiles to include FileHash and IsCompressed. Refactored GridShippingDocumentInfoPanel.razor to select and render PDFs only when associated files exist, with improved type checks and null handling. Performed minor code cleanup.
Refactored `OnDataSourceLoaded` to be asynchronous for better state handling. Downgraded `Newtonsoft.Json` to version `13.0.3` across multiple projects for compatibility. Enhanced `MeasuringItemPalletBase` with `SetParentPropToNull` and `SetForeignKey` methods. Refactored `OrderItemPallet`, `ShippingItemPallet`, and `StockTakingItemPallet` to simplify table attributes and improve parent-child relationship handling.
Added `IsReadyForClose` to `StockTaking` for better closure validation. Updated SignalR tag constants to reflect new functionality. Improved Razor components (`PalletItemComponent`, `StockTakingTemplate`, `MeasuringIn`, `MeasuringOut`) to streamline logic and maintain proper references.
Introduced `JsonExtensionTests` for comprehensive validation of JSON serialization/deserialization, including deep hierarchies, circular references, and hybrid references. Added `test_debug.ps1` for streamlined test debugging. Performed general code cleanup and improved test coverage.