[Blocker] Fix database: add timestamp fields (created_at, updated_at, started_at)

## GitHub Update **Repository:** [MKWcorp/CINTAI](https://github.com/MKWcorp/CINTAI) **Author:** MKWcorp **Date:** 11/8/2025, 5:00:15 PM **Commit:** [`3ed8bc9`](https://github.com/MKWcorp/CINTAI/commit/3ed8bc90472bac22fe8d609ae6623aaafa2906ab) ### Commit Message Fix database: add timestamp fields (created_at, updated_at, started_at) --- _This story was imported from historical commits._