- Fix CreateJob 500 error by extracting user ID correctly
- Secure Create/Update/Delete Job routes with AuthGuard
- Fix Notifications/Tickets/Profile 500 error (UUID vs Int mismatch)
- Add E2E test for CreateJob
Backend fixes:
- Fix FK violation in candidate registration by creating company first
- Add CompanyRepository to RegisterCandidateUseCase
- Add handler integration tests for validation
Frontend improvements:
- Add registerCompany function in auth.ts
- Connect company registration form to backend API
- Replace mockJobs with API call in job detail page
- Add loading/error states to job detail page
- Add Jest tests for auth module
