fix: test server not starting properly

apps/main/package.json

@@ -5,8 +5,8 @@
     "private": true,
     "scripts": {
         "dev": "vite dev",
+        "dev:headless": "vite dev --no-open",
         "build": "vite build",
-        "serve": "serve build --listen 5173",
         "test:unit": "TZ=UTC jest",
         "test:e2e": "playwright test",
         "clean": "rm -rf .turbo .svelte-kit build node_modules vite.config.ts.timestamp-*",
@@ -39,7 +39,6 @@
         "prettier-plugin-svelte": "^3.2.3",
         "prettier-plugin-tailwindcss": "^0.5.9",
         "sass": "^1.75.0",
-        "serve": "^14.2.0",
         "svelte": "^4.2.15",
         "svelte-check": "^3.7.0",
         "tailwindcss": "^3.4.0",