Implement critical fixes for image and table rendering in PDF generation.
**Image Handling Fixes**:
- Implemented _save_image() in pp_structure_enhanced.py
- Creates imgs/ subdirectory for saved images
- Handles both file paths and numpy arrays
- Returns relative path for reference
- Adds proper error handling and logging
- Added saved_path field to image elements for path tracking
- Created _get_image_path() helper with fallback logic
- Checks saved_path, path, image_path in content
- Falls back to metadata fields
- Logs warnings for missing paths
**Table Rendering Fixes**:
- Fixed table rendering to use element's own bbox directly
- No longer depends on fake table_*.png references
- Supports both bbox and bbox_polygon formats
- Inline conversion for different bbox formats
- Maintains backward compatibility with legacy approach
- Improved error handling for missing bbox data
**Status**:
- Phase 1 tasks 1.1 and 1.2: ✅ Completed
- Phase 1 tasks 2.1, 2.2, and 2.3: ✅ Completed
- Testing pending due to backend availability
These fixes resolve the critical issues where images never appeared
and tables never rendered in generated PDFs.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
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