change(desktop): add vitest config for the desktop app

apps/desktop/package.json

@@ -44,7 +44,7 @@
     "lint:fix": "eslint src/ electron/ --fix",
     "fmt": "prettier --write 'src/**/*.{ts,tsx}' 'electron/**/*.ts' 'vite.config.ts'",
     "fix": "npm run lint:fix && npm run fmt",
-    "test:ui": "vitest run --environment jsdom",
+    "test:ui": "vitest run",
     "preview": "node scripts/assert-root-install.mjs && vite preview --host 127.0.0.1 --port 4174",
     "check": "npm run typecheck && npm run test:ui && npm run test:desktop:all"
   },

apps/desktop/vitest.config.ts

@@ -0,0 +1,18 @@
+import { defineConfig } from "vitest/config";
+import react from "@vitejs/plugin-react";
+import path from "path";
+
+export default defineConfig({
+  plugins: [react()],
+  resolve: {
+    alias: {
+      "@": path.resolve(__dirname, "./src"),
+    },
+  },
+  test: {
+    environment: "jsdom",
+    include: ["src/**/*.test.{ts,tsx}"],
+    globals: true
+  },
+  
+});