- Create SQL migration 0003_offer_phases_quote_templates.sql
- Creates offers_phases, offer_phase_services, quotes, leads tables
- Adds new columns to quote_items, projects, phases (additive-only)
- Includes proper FK constraints, indexes, and CHECK constraints
- ZERO DATA LOSS: No drops, no truncates — fully reversible
- Create validation script scripts/validate-phase8-migration.ts
- Checks all 4 new tables exist
- Verifies 7 new columns added to existing tables
- Validates FK references intact
- Exit code 0 on success, 1 on failure
Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
