- companies: user.name in email and contact queries
- customers: user.name in email
- job_seekers: u.name in company user query
- cron tasks (jobs/leads/requirements): use u.name instead of u.full_name
- contracts/profession_shared: u.name for customer_name fields
- Update leads service to use 'leads' table
- Update extension models to use user_role_profile_id
- Update ProfessionalRepository to work with new schema
- Create TracecoinWalletRepository for wallet operations
- Update all handlers to use new model fields
- Rename Application fields (job_seeker_id -> applicant_user_id)
- Update cron tasks for new schema
- Fix compilation errors across all services
