Make/Model Data Loading

backend/src/_system/migrations/run-all.ts

@@ -16,6 +16,7 @@ const pool = new Pool({
 // and user-preferences trigger depends on it; so run vehicles before core/user-preferences.
 const MIGRATION_ORDER = [
   'features/vehicles',          // Primary entity, defines update_updated_at_column()
+  'features/platform',          // Normalized make/model/trim schema for dropdowns
   'features/documents',         // Depends on vehicles; provides documents table
   'core/user-preferences',      // Depends on update_updated_at_column()
   'features/fuel-logs',         // Depends on vehicles