Sends a Monday digest to all ADMIN + MANAGER users with:
- Team utilization % for the next 4 weeks
- Overbooked resource count
- Open demand count
- Upcoming vacation count
- Top 5 most utilized resources
Route: GET /api/cron/weekly-digest (secured by CRON_SECRET).
HTML template and plain-text fallback included.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
