aakash 9dd0e0b26f feat: Add ColQwen multimodal PDF retrieval integration ...

- Add ColQwenRAG class with easy-to-use CLI for multimodal PDF retrieval
- Support for both ColQwen2 and ColPali models with automatic device selection
- MPS optimization for Apple Silicon with memory-efficient loading
- Complete pipeline: PDF→images→embeddings→HNSW index→search
- Multi-vector indexing for fine-grained document matching
- Comprehensive user guide and reproduction test script
- Resolves #119: ColQwen Doc and Support Management

Features:
- python -m apps.colqwen_rag build --pdfs ./pdfs/ --index my_index
- python -m apps.colqwen_rag search my_index "query text"
- python -m apps.colqwen_rag ask my_index --interactive
- Automatic CPU fallback for memory constraints
- Robust error handling and progress tracking

2025-11-10 13:31:58 -08:00

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