diff --git a/package-lock.json b/package-lock.json
index e29a4a190..10968bdbb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15,6 +15,7 @@
       ],
       "devDependencies": {
         "@eslint/js": "^9.37.0",
+        "@google-cloud/vertexai": "^1.12.0",
         "@google/genai": "^2.9.0",
         "@secretlint/secretlint-rule-pattern": "^11.3.1",
         "@secretlint/secretlint-rule-preset-recommend": "^11.3.1",
@@ -29,6 +30,7 @@
         "http-server": "^14.1.1",
         "husky": "^9.1.7",
         "lint-staged": "^16.2.7",
+        "openapi-types": "^12.1.3",
         "prettier": "^3.6.2",
         "prettier-plugin-organize-imports": "^4.3.0",
         "secretlint": "^11.3.1",
@@ -36,7 +38,8 @@
         "typedoc-theme-fresh": "^0.2.3",
         "typescript": "^5.9.2",
         "typescript-eslint": "^8.46.0",
-        "vitest": "^3.2.4"
+        "vitest": "^3.2.4",
+        "zod": "^4.2.1"
       }
     },
     "core": {
diff --git a/package.json b/package.json
index 36cc0d747..afad124b0 100644
--- a/package.json
+++ b/package.json
@@ -39,6 +39,7 @@
   ],
   "devDependencies": {
     "@eslint/js": "^9.37.0",
+    "@google-cloud/vertexai": "^1.12.0",
     "@google/genai": "^2.9.0",
     "@secretlint/secretlint-rule-pattern": "^11.3.1",
     "@secretlint/secretlint-rule-preset-recommend": "^11.3.1",
@@ -53,6 +54,7 @@
     "http-server": "^14.1.1",
     "husky": "^9.1.7",
     "lint-staged": "^16.2.7",
+    "openapi-types": "^12.1.3",
     "prettier": "^3.6.2",
     "prettier-plugin-organize-imports": "^4.3.0",
     "secretlint": "^11.3.1",
@@ -60,7 +62,8 @@
     "typedoc-theme-fresh": "^0.2.3",
     "typescript": "^5.9.2",
     "typescript-eslint": "^8.46.0",
-    "vitest": "^3.2.4"
+    "vitest": "^3.2.4",
+    "zod": "^4.2.1"
   },
   "lint-staged": {
     "*": [