Yaojia Wang
8723ef4653
refactor: split line_items_extractor into smaller modules with comprehensive tests
- Extract models.py (LineItem, LineItemsResult dataclasses)
- Extract html_table_parser.py (ColumnMapper, HtmlTableParser)
- Extract merged_cell_handler.py (MergedCellHandler for PP-StructureV3 merged cells)
- Reduce line_items_extractor.py from 971 to 396 lines
- Add constants for magic numbers (MIN_AMOUNT_THRESHOLD, ROW_GROUPING_THRESHOLD, etc.)
- Fix row grouping algorithm in text_line_items_extractor.py
- Demote INFO logs to DEBUG level in structure_detector.py
- Add 209 tests achieving 85%+ coverage on main modules
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>