feat(tenants): store Khanegi deploy settings snapshot on tenants.setting

Import can_edit=0 settings via the sold version's admin login + get_settings, for Super Admin program-settings UI.

Co-authored-by: Cursor <cursoragent@cursor.com>

prisma/schema.prisma

@@ -69,6 +69,8 @@ model Tenant {
   /// Legacy cache from older sync attempts — SuperAdmin SMS account is now source of truth
   smsSettingsCache Json?       @map("sms_settings_cache")
   smsSyncedAt      DateTime?   @map("sms_synced_at")
+  /// Khanegi deploy settings snapshot (can_edit=0) imported via admin login + get_settings.
+  setting          Json?
   /// Full Khanegi UI JSON (theme, navigation, pages). Hamkar: unused for now.
   appUiConfig      Json?       @map("app_ui_config")
   /// Khanegi only: which appearance editor / get_user payload shape to use.