feat: improve PDF image extraction with caption-based labeling and fallback matching

- Enhance pdf_image_extractor with caption text extraction near images/tables
- Add figure/table type correction based on caption content
- Implement sequential numbering fallback for unmatched items
- Improve figure linking in pages with manifest ID matching and fallback strategies
- Remove docling dependency, add dev dependency group
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2026-06-09 14:07:21 +08:00
parent 32978b3fc5
commit 18f44ac244
4 changed files with 343 additions and 1593 deletions
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