diff --git a/ui/tsconfig.json b/ui/tsconfig.json
index ce9024e..852d704 100644
--- a/ui/tsconfig.json
+++ b/ui/tsconfig.json
@@ -20,6 +20,9 @@
     "noUnusedParameters": true,
     "noFallthroughCasesInSwitch": true,
 
+    /* Test runtime types */
+    "types": ["node", "vitest/globals", "@testing-library/jest-dom"],
+
     /* Path mapping */
     "baseUrl": ".",
     "paths": {
diff --git a/ui/vite.config.ts b/ui/vite.config.ts
index 66c0597..2c4fe3f 100644
--- a/ui/vite.config.ts
+++ b/ui/vite.config.ts
@@ -1,9 +1,15 @@
+/// <reference types="vitest" />
 import { defineConfig } from 'vite'
 import react from '@vitejs/plugin-react'
 
 // https://vitejs.dev/config/
 export default defineConfig({
   plugins: [react()],
+  test: {
+    globals: true,
+    environment: 'jsdom',
+    setupFiles: ['./src/test/setup.ts'],
+  },
   server: {
     port: 3000,
     proxy: {