Grounded assistant inside a government boundary
- Scope
- 40,000+ policy and operational documents requiring citation-grade retrieval under PROTECTED-level tenancy controls.
- Engineering
- Hybrid vector/BM25 retrieval with document-level ACL inheritance and a blocking CI evaluation harness across 1,200 golden test queries.
- Result
- 2.1s P95 latency · 0.94 groundedness · Zero data-egress findings