callback 검증 보강. seed-tenant 추가보강

devfront/package.json

@@ -12,6 +12,7 @@
     "lint": "biome check .",
     "preview": "vite preview",
     "test": "playwright test",
+    "test:unit": "vitest run",
     "test:roles": "playwright test tests/devfront-role-switch-report.spec.ts",
     "test:ui": "playwright test --ui"
   },
@@ -43,10 +44,12 @@
     "@types/react-dom": "^19.2.3",
     "@vitejs/plugin-react": "^6.0.1",
     "autoprefixer": "^10.4.23",
+    "jsdom": "^28.1.0",
     "postcss": "^8.5.6",
     "tailwindcss": "^3.4.14",
     "tailwindcss-animate": "^1.0.7",
     "typescript": "~5.9.3",
-    "vite": "^8.0.3"
+    "vite": "^8.0.3",
+    "vitest": "^4.1.5"
   }
 }