[sohamcodes-ctrl]

1. Harden authentication configuration and JWT validation.
2. Add monitoring target allowlisting and concurrency limits.
3. Add strict settings validation and atomic persistence.
4. Split API routes and centralize request schemas.
5. Add shared live/simulation monitoring contracts.
6. Add executable database migrations and transactional persistence.
7. Apply runtime scheduler and latency-threshold settings.
8. Add graceful shutdown for schedulers, speed tests, hotspot capture, and database connections.
9. Add /health, /ready, request IDs, and CI workflow.
10. Improve dashboard empty states and remove unfinished frontend controls.
11. Add Monitoring navigation and expanded backend tests.