feat: Refactor service management scripts to use a unified dev script

- Added package.json to manage development scripts.
- Updated restart-services.ps1 to call the new dev script for starting services.
- Refactored start-admin.ps1, start-backend.ps1, start-frontend.ps1, and start-mcp.ps1 to utilize the dev script for starting respective services.
- Enhanced stop-services.ps1 to improve process termination logic by matching command patterns.

admin/package.json

@@ -10,12 +10,16 @@
     "preview": "vite preview"
   },
   "dependencies": {
+    "@monaco-editor/react": "^4.7.0",
     "@radix-ui/react-label": "^2.1.8",
     "@radix-ui/react-slot": "^1.2.4",
     "@tailwindcss/vite": "^4.2.2",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
+    "dompurify": "^3.3.3",
     "lucide-react": "^1.7.0",
+    "marked": "^17.0.5",
+    "monaco-editor": "^0.55.1",
     "react": "^19.2.4",
     "react-dom": "^19.2.4",
     "react-router-dom": "^7.13.2",