- P0: Remove 3 Windows path garbage files from git index
- P1: Add rank-bm25 to setup.py install_requires
- P1: Fix report double-write in process_cve() done branch
- P2: Update REASONIX.md LLM/RAG description (no longer skeleton)
- P2: Extend _action_fix_environment with git_unsafe_ownership,
  missing_vmlinux, missing_build_tool auto-fixes
- Cleanup: Populate agent/__init__.py and tools/__init__.py exports
- Cleanup: Remove stale README_PLAN.md, backup files, .codex
- Cleanup: Archive PROJECT_REQUIREMENTS.md, README_Research.md to docs/
- Cleanup: Remove docs/superpowers/ (old agent framework plan)