- bench CLI subcommand (--dataset, --seed, --max-samples, --output)
- scorer_backend="hybrid" mode (NLI + LLM judge on every review)
- scorer_backend field on DirectorConfig with profile presets
- Pinecone, Weaviate, Qdrant vector store backends
- Architecture doc, production checklist, threshold tuning guide
- 35 new streaming false-halt benchmark passages (917 tests passing)
- Bandit + Semgrep SAST job in CI
- OTel spans enriched: h_logical, h_factual, token_count, halted
- Version bump 2.0.0 → 2.1.0

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>