# Milestone 18: Prisma Schema Completion

## Objective

Complete and consolidate the full Prisma schema.

## Backend Deliverables

- All module models.
- All relations.
- All enums.
- Indexes and unique constraints.
- Soft delete fields.
- Migration validation.

## Completion Criteria

- Full Prisma schema generates successfully.
- Migrations create the complete MySQL database.
- Relations support required application queries.

## Implementation Notes

- Schema completion summary is documented in `backend/docs/prisma-schema-completion.md`.
- Prisma Client generation has been validated against the full schema.
- The schema now includes models for calendar, leave, holidays, masters, audit logs, jobs, notifications, reporting, costing, RBAC, project delivery, and task collaboration.