Reference implementation
The LegalTech audit-stream now has a full end-to-end reference implementation in Node.js: matter-decision-record-audit-stream-reference (AGPL-3.0).
It runs the canonical 7-step matter trajectory (intake → conflict check → privilege-tier assigned → brief draft → citation validated → work-product stamped → privilege log) through an attorney-client vault contract, emits Suite-compliant hash-chained events, and re-validates against the spec's published JSON Schema + all three orthogonal invariants simultaneously (privilege-tier consistency · engagement-letter binding · citation-validation-before-production-ready). Green CI is evidence the spec's three invariants are mutually achievable end-to-end, not just individually checkable.
The second of two reference implementations in the Suite (the first covered HealthTech). Together they're evidence the parallel-structure thesis works in code, not just on paper.