- Add database migration for staff features (announcements, expenses,
courses, reviews, knowledge base, projects, marketplace, handbook)
- Add 8 new API endpoints: announcements, expenses, courses, reviews,
knowledge-base, projects, marketplace, handbook
- Update StaffAnnouncements.tsx to use real API with read tracking
- Update StaffExpenseReports.tsx to use real API with submit dialog
More staff pages to be updated in next commit.
- Add StaffOnboarding.tsx main hub with welcome banner, progress ring,
and quick action cards
- Add StaffOnboardingChecklist.tsx with interactive Day 1/Week 1/Month 1
checklist that saves progress to database
- Add database migration for staff_onboarding_progress and
staff_onboarding_metadata tables with RLS policies
- Add API endpoint /api/staff/onboarding for fetching and updating
onboarding progress with admin view for managers
- Add routes to App.tsx for /staff/onboarding and /staff/onboarding/checklist
