[Build] Perf: Optimize review edit API with upsert instead of delete+create & add polling for KPI generation status

## GitHub Update **Repository:** [MKWcorp/hrisnextgen](https://github.com/MKWcorp/hrisnextgen) **Author:** multimediadrw **Date:** 10/26/2025, 2:56:00 PM **Commit:** [`596a893`](https://github.com/MKWcorp/hrisnextgen/commit/596a8930354c2fe804204c350fbac6f447841a5b) ### Commit Message Perf: Optimize review edit API with upsert instead of delete+create & add polling for KPI generation status --- _This story was imported from historical commits._