Replace hardcoded TENANTS array and disabled add button with live
GET/POST /api/admin/tenants via react-query: list states, create modal
(server-authoritative validation mirrored client-side), KxDataTable
search/sort/CSV. tenant.* i18n 17 keys x 4 locales (parity kept).
Mark G-01 resolved in GAP_AUDIT.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
