* Add custom folder support and improve image loading for multi-vector retrieval
- Enhanced _load_images_from_dir with recursive search support and better error handling
- Added support for WebP format and RGB conversion for all image modes
- Added custom folder CLI arguments (--custom-folder, --recursive, --rebuild-index)
- Improved documentation and removed completed TODO comment
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Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
* Format code style in leann_multi_vector.py for better readability
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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Co-authored-by: Claude Sonnet 4.5 <noreply@anthropic.com>
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