- Companies service: add GET /api/admin/jobs and GET /api/admin/applications
- Gateway: route /api/admin/applications to companies; add routing for all 9 profession admin endpoints
- For each profession service (photographers, makeup_artists, tutors, developers, video_editors, graphic_designers, social_media_managers, fitness_trainers, catering_services):
- Create admin.rs with list and detail endpoints that join with users
- Update main.rs to mount admin router under /api/admin/<profession>
- Admin endpoints enable cross-platform visibility of all professionals by internal staff