Replaced manual logger setup in CanvasRenderer, ImageCache, Mask_tool, and db modules with the createModuleLogger utility for cleaner and more consistent logging initialization.
Enhanced the canvas save mechanism to ensure unique file names per node, prevent concurrent saves and executions, and handle missing files more robustly. Switched all logger levels to DEBUG for detailed tracing. Added fallback logic for file naming, improved error handling, and ensured that empty canvases are not saved. These changes improve reliability and traceability of canvas operations, especially in multi-node scenarios.
Moved image data validation, conversion, mask application, and preparation functions from Canvas_view.js to a new ImageUtils.js module. Extracted the image cache logic into a new ImageCache.js class. Updated Canvas_view.js to use the new modules and refactored relevant imports and usage.
