chore: move seeding to onInit and remove redundant seed script

src/payload/seed.ts

@@ -0,0 +1,44 @@
+import { Payload } from 'payload';
+
+export async function seedDatabase(payload: Payload) {
+  // Check if any users exist
+  const { totalDocs: totalUsers } = await payload.find({
+    collection: 'users',
+    limit: 1,
+  });
+
+  if (totalUsers === 0) {
+    payload.logger.info('👤 No users found. Creating default admin user...');
+    await payload.create({
+      collection: 'users',
+      data: {
+        email: 'admin@mintel.me',
+        password: 'klz-admin-setup',
+      },
+    });
+    payload.logger.info('✅ Default admin user created successfully.');
+  }
+
+  // Check if any products exist
+  const { totalDocs: totalProducts } = await payload.find({
+    collection: 'products',
+    limit: 1,
+  });
+
+  if (totalProducts === 0) {
+    payload.logger.info('📦 No products found. Creating smoke test product (NAY2Y)...');
+    await payload.create({
+      collection: 'products',
+      data: {
+        title: 'NAY2Y Smoke Test',
+        sku: 'SMOKE-TEST-001',
+        slug: 'nay2y',
+        description: 'A dummy product for CI/CD smoke testing and OG image verification.',
+        locale: 'de',
+        categories: [{ category: 'Power Cables' }],
+        _status: 'published',
+      },
+    });
+    payload.logger.info('✅ Smoke test product created successfully.');
+  }
+}