- Add file_mtime to chunk metadata for change detection
- Add get_indexed_files() and get_existing_sources() methods
- Add filter_new_chunks() to skip unchanged files
- Add remove_chunks_by_source() to delete orphaned chunks
- Update server to detect and remove deleted files on incremental index
- Fix clear() to recreate ChromaVectorStore wrapper
- Add Python project with uv package manager
- Implement LlamaIndex + ChromaDB RAG pipeline
- Add sentence-transformers for local embeddings (all-MiniLM-L6-v2)
- Create MCP server with semantic search, indexing, and stats tools
- Add Markdown chunker with heading/wikilink/frontmatter support
- Add Dockerfile and docker-compose.yaml for self-hosted deployment
- Include sample Obsidian vault files for testing
- Add .gitignore and .env.example
