Build system improvements:
- Simplify macOS environment detection using brew --prefix
- Remove complex hardcoded paths and CMAKE_ARGS
- Let CMake automatically find Homebrew packages via CMAKE_PREFIX_PATH
- Clean separation between Intel (/usr/local) and Apple Silicon (/opt/homebrew)
Python 3.9 compatibility:
- Set ruff target-version to py39 to match project requirements
- Replace str | None with Union[str, None] in type annotations
- Add Union imports where needed
- Fix core interface, CLI, chat, and embedding server files
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Fix OpenMP library linking in DiskANN CMake configuration
- Add timeout protection for HuggingFace model loading to prevent hangs
- Improve embedding server process termination with better timeouts
- Make DiskANN backend default enabled alongside HNSW
- Update documentation to reflect both backends included by default
- Fix ambiguous fullwidth characters (commas, parentheses) in strings and comments
- Replace Chinese comments with English equivalents
- Fix unused imports with proper noqa annotations for intentional imports
- Fix bare except clauses with specific exception types
- Fix redefined variables and undefined names
- Add ruff noqa annotations for generated protobuf files
- Add lint and format check to GitHub Actions CI pipeline
* fix: diskann zmq port and passages
* feat: auto discovery of packages and fix passage gen for diskann
* docs: embedding pruning
* refactor: passage structure
* feat: reproducible research datas, rpj_wiki & dpr
* refactor: chat and base searcher
* feat: chat on mps
