Update maintenance.service.ts

apps/service/src/maintenance.service.ts

@@ -63,6 +63,7 @@ export class MaintenanceService {
         const exists = fs.existsSync(file.input);
         if (!exists) {
           // Only soft delete if not already marked as deleted
+          // Note: Database schema changes must be done via migrations in data/migrations/
           if (file.status !== 'deleted') {
             this.logger.log(
               `Marking missing file as deleted: "${file.input}" (${new Date().toISOString()})`,