test(services): add unit tests for 7 service-layer modules
- profile_utils: 40 tests, 100% coverage (sanitize, normalize, mask, validate payload)
- security_badge_service: 17 tests, 100% coverage (role/permission extraction, security summary)
- services_mapping: 4 tests, 100% coverage (client resolution, get_suggestions)
- superset_lookup_service: 10 tests, 100% coverage (resolve environment, lookup success/degraded)
- notification_providers: 16 tests, 95% coverage (SMTP, Telegram, Slack providers)
- llm_provider: 25 tests, 91% coverage (mask_api_key, CRUD with encrypted API keys)
- rbac_permission_catalog: 12 tests, 79% coverage (route scanning, sync to DB)
busya
c33792c8ee