feat: add asset sync scripts and fix payload seeding

scripts/seed-payload.ts

@@ -0,0 +1,22 @@
+/**
+ * CLI wrapper for seeding the Payload CMS database.
+ * Usage: pnpm tsx scripts/seed-payload.ts
+ */
+import { getPayload } from 'payload';
+import configPromise from '../payload.config';
+import { seedDatabase } from '../src/payload/seed';
+
+async function run() {
+  const payload = await getPayload({ config: configPromise });
+
+  console.log('🌱 Starting database seed...');
+  await seedDatabase(payload);
+  console.log('✅ Seeding complete.');
+
+  process.exit(0);
+}
+
+run().catch((err) => {
+  console.error('❌ Seeding failed:', err);
+  process.exit(1);
+});