- Add BaseTab base class for common tab initialization and logging
- Add constants module for shared GUI constants
- Move CheckboxTreeview to separate widget file
- Add admin_only and require_session decorators to utils.py
- Refactor DataExtractionTab and MaterialValidationTab to inherit BaseTab
- Remove duplicate _update_log method from tab classes
Co-Authored-By: Claude (glm-5) <noreply@anthropic.com>
- Add ProgressInfo and ProgressCalculator classes for structured progress tracking
- Implement RealtimeOutput for immediate log display without buffering
- Add progress callback support to DiscreteMaterialPlanExtractor
- Use queue-based thread-safe communication for GUI progress updates
- Fix log output issue where all content appeared at once after completion
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>