- Tier enum: LOW→STARTER, MID→TEAM, HIGH→BUSINESS, BUSINESS→ENTERPRISE - LicenseDefaults: 13-key limits per tier matching server handoff cap matrix - Drop features concept from LicenseEntity, LicenseResponse, portal DTOs - Add label and gracePeriodDays to LicenseEntity - Fix agent limit key from 'agents' to 'max_agents' in VendorTenantController Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>