chore(image-assistant): 🔧 Update Vitest config for image-assistant backend API test suites, plugins, and runner settings

Co-Authored-By: Lilith Autocommit <noreply@atlilith.com>

features/image-assistant/backend-api/vitest.config.ts

@@ -0,0 +1,10 @@
+import { nestPreset } from '@lilith/test-utils/vitest-presets'
+import path from 'path'
+
+export default nestPreset({
+  resolve: {
+    alias: [
+      { find: /^@\/(.*)$/, replacement: path.resolve(__dirname, './src/$1') },
+    ],
+  },
+})