# Tasks: add-capacity-update-api

## Phase 1: Backend - Schema & Validation

- [x] 1.1 Add CapacityUpdate schema to `backend/app/schemas/user.py`
- [x] 1.2 Add capacity validation (must be >= 0, <= 168 hours/week)

## Phase 2: Backend - API Endpoint

- [x] 2.1 Implement `PUT /api/users/{user_id}/capacity` endpoint
- [x] 2.2 Add permission check (only admin/manager can update others)
- [x] 2.3 Record capacity change in audit trail
- [x] 2.4 Invalidate workload cache after capacity update

## Phase 3: Backend - Testing

- [x] 3.1 Unit tests for capacity update endpoint
- [x] 3.2 Permission tests (admin vs regular user)

## Validation Criteria

- Only authorized users can update capacity
- Capacity changes are audit logged
- Workload calculations reflect new capacity immediately