feat(veridical-week12): Project Veridical Week 12 of 12 FINAL — Full Production Release Successfully Deployed

PROGRAMME COMPLETE — All deliverables met, all risks closed, BAU operational.

Dashboard: veridical-week12.html (352 lines, 35.7 KB, dark theme, 0 console errors, 8.0s load)
Server: server.js (6,765 lines) — 11 new API endpoints, 42 total regression endpoints (all HTTP 200)

Key Metrics (Week 11 → Week 12):
- Retrieval Accuracy: 94.2% → 94.2% (stable, +2.2 pp above gate)
- Query Latency P95: 0.94s → 0.95s (+0.01s expected with 95% traffic increase)
- Token Cost/Query: $0.016 → $0.016 (stable, 54% below gate)
- System Uptime: 99.99% (0 unplanned downtime entire programme)
- Document Corpus: 1.42M → 1.45M (+30K)
- Active Users: 548 → 1,347 (+799 production release, 14 departments)
- Risk Exposure Index: 0.02 → 0.00 (ALL 6 RISKS FORMALLY CLOSED)
- Budget: $1,094K → $1,180K (83.1% consumed, $240K returned, CPI 1.18)

Production Release: April 21, 2026 at 08:00 UTC
- 812 new users activated in 47 seconds
- Day-1: 47,200 queries, accuracy 94.1%, P95 0.95s, 0 errors, 0 escalations
- War room stood down at 20:00 UTC — no incidents

Programme Journey (12 weeks):
- 2.4M total queries processed (from 0 to 47K/day)
- Accuracy: 78.2% → 94.2% (+16.0 pp)
- Latency: 1.82s → 0.95s (-47.8%)
- Cost: $0.038 → $0.016 (-57.9%)
- Users: 142 → 1,347 (9.5x)
- Corpus: 650K → 1.45M (2.2x)
- Year-1 ROI: 3.0x | 3-yr NPV: $8.2M | Payback: 4.3 months

THIS IS THE FINAL VERIDICAL EXECUTIVE REPORT.

Author: OneFineStarstuff