[Blocker] Fix: Resolve all TypeScript build errors and Prisma configuration

## GitHub Update **Repository:** [MKWcorp/hrisnextgen](https://github.com/MKWcorp/hrisnextgen) **Author:** multimediadrw **Date:** 10/26/2025, 12:02:39 AM **Commit:** [`5084c65`](https://github.com/MKWcorp/hrisnextgen/commit/5084c653954409b0725ed7c09bf9565c99387595) ### Commit Message Fix: Resolve all TypeScript build errors and Prisma configuration - Install Prisma packages (@prisma/client) - Fix Prisma schema: change provider to prisma-client-js, remove custom output path - Update all imports from custom path to @prisma/client - Add proper TypeScript type annotations using typeof for inferred types - Make breakdown_id and role_recommendation_id optional in proposed_kpis table - Fix type errors in all API routes (breakdowns, goals, review, webhooks, seed) - Update build script to run prisma generate before next build - Build now succeeds without TypeScript errors ✅ --- _This story was imported from historical commits._