Add setup instructions to README, add setup script, and enforce agent restrictions in AGENTS.md

Author: xcodeassociated

AGENTS.md

@@ -209,4 +209,6 @@ The repository does **not** contain a `.cursor/` directory or a `.github/copilot
 
 ---
 
+**Agent Restrictions**: Agents must not modify any files outside the project directory. They also may not commit changes without explicit user permission; always ask for review before committing.
+
 _End of file – agents should keep this document up to date as the project evolves._

README.md

@@ -7,6 +7,23 @@ Currently, two official plugins are available:
 - [@vitejs/plugin-react](https://github.com/vitejs/vite-plugin-react/blob/main/packages/plugin-react/README.md) uses [Babel](https://babeljs.io/) for Fast Refresh
 - [@vitejs/plugin-react-swc](https://github.com/vitejs/vite-plugin-react-swc) uses [SWC](https://swc.rs/) for Fast Refresh
 
+## Setup
+
+This project requires **Node ≥ 22.12.0**. If you use `nvm`, run:
+
+```bash
+nvm install 22.12.0
+nvm use 22.12.0
+```
+
+You can also use the provided npm script:
+
+```bash
+npm run setup
+```
+
+which will execute the above commands (assuming `nvm` is available in your shell).
+
 ## Expanding the ESLint configuration
 
 If you are developing a production application, we recommend updating the configuration to enable type aware lint rules:

package.json

@@ -5,6 +5,7 @@
   "type": "module",
   "scripts": {
     "dev": "vite",
+    "setup": "nvm install 22.12.0 && nvm use 22.12.0",
     "build": "tsc -b && vite build",
     "lint": "eslint . --ext ts,tsx --report-unused-disable-directives --max-warnings 0",
     "preview": "vite preview",