Backend:
- New UserRole.PROJECT_MANAGER with pm_client_ids[] on User model
- New models: Client (slug-based), Team (member_user_ids[]), Project (client-scoped)
- Job model gains project_id field
- New GET/POST/PATCH/DELETE /clients, /clients/{id}/teams, /clients/{id}/projects,
/clients/{id}/pm routes (admin-only client CRUD; PM or admin for teams/projects)
- get_accessible_project_ids() helper: staff→all, PM→their clients' projects,
CLIENT→projects from teams they belong to (with legacy owner fallback)
- list_jobs, get_job, bulk_download, get_vtt_content, delete_job all use new isolation
Frontend:
- UserRole type gains 'project_manager'
- Job, JobCreateRequest gain project_id field
- Client, Team, Project, PMUser types added
- ApiClient: full client/team/project/PM CRUD methods
- useClients hook with all query/mutation hooks
- Admin pages: ClientList + ClientDetail (teams, members, projects, PM assignment)
- NewJob form: client + project picker (shown when clients exist)
- Sidebar: Clients nav item for admin and project_manager roles
- Routes: /admin/clients and /admin/clients/:clientId behind RoleGate
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- Add LINGUIST role to UserRole enum (backend + frontend)
- Grant linguists access to QC Review, Final Review, review notes, and VTT editing
- Add MongoDB migration to update schema validator with linguist role
- Add admin seed: vadymsamoilenko@oliver.agency is promoted to admin on startup
- Add User Management sidebar link for admin users
- Fix Login.tsx role type cast to use UserRole instead of hardcoded union
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>