Refactor VPN proxy client implementation

package.json

@@ -7,14 +7,31 @@
   "scripts": {
     "dev": "vite --host 0.0.0.0",
     "build": "vite build",
-    "test": "node --test",
+    "build:production": "npm run build && npm run build:server",
+    "build:server": "tsc -p tsconfig.server.json",
+    "build:test": "npm run build:production && node scripts/clean-test-dist.mjs && tsc -p tsconfig.test.json",
+    "check:boundaries": "node scripts/check-import-boundaries.mjs",
+    "prestart": "npm run build:production",
+    "test": "npm run build:test && node --test",
+    "typecheck": "tsc -p tsconfig.web.json && tsc -p tsconfig.server.json --noEmit",
     "version:harbor": "node scripts/harbor-version.mjs",
-    "start": "node src/server/index.js"
+    "start": "node dist/server/main.js"
   },
   "dependencies": {
     "@vitejs/plugin-react": "^5.0.0",
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
     "vite": "^7.0.0"
+  },
+  "devDependencies": {
+    "@babel/parser": "7.29.3",
+    "@csstools/selector-specificity": "6.0.0",
+    "@types/node": "22.19.17",
+    "@types/node18": "npm:@types/node@18.19.130",
+    "@types/react": "^19.2.18",
+    "@types/react-dom": "^19.2.4",
+    "postcss": "8.5.14",
+    "postcss-selector-parser": "7.1.4",
+    "typescript": "7.0.2"
   }
 }