- GET /monitoring/cost-snapshots + /{id} — list/detail with gateway_id, date range filters
- GET /monitoring/cron-jobs + /{id} — list/detail with gateway_id, enabled, job_name filters
- GET /monitoring/sessions + /{id} — list/detail with gateway_id, session_key, model, event_type filters
- GET /monitoring/health + /{id} — list/detail with gateway_id, date range filters
- GET /monitoring/sub-agents + /{id} — list/detail with gateway_id, status, agent filters
- All endpoints org-scoped (require_org_member), paginated (DefaultLimitOffsetPage)
- Pydantic Read schemas for all 5 monitoring models
- Router registered in main.py
- Removed unused imports (OkResponse, utcnow)
638bcd2d91