Add entrypoint script to only migrate and exit gracefully

src/migrate-only.ts

@@ -0,0 +1,17 @@
+import { createConfig } from './lib/create-config.js';
+import { migrateDb } from './migrator.js';
+
+async function runMigrations() {
+  try {
+      console.log('Starting database migrations...');
+      const config = createConfig({});
+      await migrateDb(config);
+      console.log('Migrations completed successfully!');
+      process.exit(0);
+  } catch (error) {
+      console.error('Migration failed:', error);
+      process.exit(1);
+  }
+}
+
+runMigrations();