Enforcement
- Customer-facing term: active employees or users
- Counts active company users (is_active: true)
- Inactive users do not count toward the limit
- PlanLimitUpgradePrompt shows current usage and limit when available
- Upgrade CTA routes to /subscription/upgrade
- After upgrade, capacity increases according to the current subscription workflow
- Downgrade may be blocked until usage fits the target plan
- Historical user records are preserved