Add comprehensive test coverage for seven new API areas:
- Backup schedules CRUD operations in admin panel
- Service configuration saving and retrieval for news AI model
- Token authentication with email/username and JSON body support
- Bookmarking for project and news targets with invalid type validation
- Content permissions testing with member and admin session fixtures
- Devii adopt endpoint redirect behavior and session cookie handling
- Devrant authentication flow with user registration and token retrieval
Implement a multi-agent deep web research subsystem including CLI commands for pruning expired jobs and clearing all artifacts, database tables for sessions/messages/URL cache with indexes, config paths for chroma storage, and internal embed URL for vector operations.
