feat: reorder inventory images atomically

apps/api/src/modules/inventory/routes/admin-image-routes.js

@@ -1,5 +1,5 @@
 import { toAdminInventoryImageDto } from '@pokemon-inventory/contracts/image';
-import { createInventoryImageSchema } from '@pokemon-inventory/validation/image';
+import { createInventoryImageSchema, moveInventoryImageSchema } from '@pokemon-inventory/validation/image';
 import { randomUUID } from 'node:crypto';
 
 import { createApplicationError } from '../../../shared/errors/application-error.js';
@@ -98,6 +98,18 @@ export async function registerAdminImageRoutes(app, options) {
     return admin;
   }
 
+  app.post('/images/:id/move', async (request, reply) => {
+    const admin = await authorizeAdminMutation(request);
+    const result = moveInventoryImageSchema.safeParse(request.body);
+    if (!result.success) return validationError(reply, result);
+    const image = await inventoryImageService.move({
+      imageId: request.params.id,
+      direction: result.data.direction,
+      sellerId: admin.sellerId,
+    });
+    return { data: toAdminInventoryImageDto(image) };
+  });
+
   app.patch('/images/:id/order', async (request) => {
     const admin = await authorizeAdminMutation(request);
     const image = await inventoryImageService.updateOrder({