Session 13 — TB-15 Chat Complete + Twilio SMS + Notification Router

What was built

TB-15 Phase 15b — Friday Multi-Voice + Command Interface
- friday-voice-service (4 voice tiers: internal/staff/client/field)
- chat-command-executor (7 intent patterns + 3 review intents, role-based permissions)
- “Ask Friday” button in Messages.tsx
TB-15 Phase 15c — Assignments + RFI-Chat Unification
- Assign/reassign/claim/bulk_assign, 3 teams (Cert Review, Scheduling, Field Ops)
- Flag/resolve/escalate RFI from chat, 12 new endpoints
TB-15 Phase 15d — Operations Integration + PWA
- Dashboard chat section, Pipeline Shepherd integration, PWA with offline queue + push notifications
TB-15 Phase 15e — Labels, Priorities, Read Receipts, SLA Tracking, Bulk Actions
TB-15 Phase 15f — Notification Router + Unified Project Timeline
- notification-router (4 channels: portal/email/WhatsApp/SMS, consolidation, DND)
- Event hooks in 8 locations across the codebase
Twilio SMS wired as 4th notification channel (phone: +12028739996)