chore: migrate from npm to pnpm

.github/workflows/deploy.yml

@@ -22,17 +22,21 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
       
+      - uses: pnpm/action-setup@v4
+        with:
+          version: 11
+
       - name: Setup Node
         uses: actions/setup-node@v4
         with:
           node-version: '20'
-          cache: 'npm'
-      
+          cache: 'pnpm'
+
       - name: Install dependencies
-        run: npm ci
-      
+        run: pnpm install --frozen-lockfile
+
       - name: Build
-        run: npm run build
+        run: pnpm build
       
       - name: Setup Pages
         uses: actions/configure-pages@v4

README.md

@@ -4,7 +4,7 @@ Turn-based stealth puzzle game built with Svelte 5. Play as a ninja rabbit navig
 grid-based levels inside the Vegetable Kingdom, avoiding detection by vegetable guards
 to rescue the missing carrot princess.
 
-Play: `npm run dev` → `http://localhost:5173`
+Play: `pnpm dev` → `http://localhost:5173`
 
 ---
 
@@ -28,7 +28,7 @@ Play: `npm run dev` → `http://localhost:5173`
 
 ## Requirements
 
-[Node.js](https://nodejs.org) 18+ and npm.
+[Node.js](https://nodejs.org) 18+ and [pnpm](https://pnpm.io).
 
 ---
 
@@ -37,8 +37,8 @@ Play: `npm run dev` → `http://localhost:5173`
 ```sh
 git clone https://github.com/tiennm99/nntv
 cd nntv
-npm install
-npm run dev        # dev server at http://localhost:5173
+pnpm install
+pnpm dev        # dev server at http://localhost:5173
 ```
 
 ---
@@ -47,11 +47,11 @@ npm run dev        # dev server at http://localhost:5173
 
 | Command | Description |
 |---|---|
-| `npm run dev` | Start development server |
-| `npm run build` | Production build → `dist/` |
-| `npm run preview` | Preview production build locally |
-| `npm test` | Run all unit + solvability tests |
-| `npm run test:solvability` | Run only the BFS solvability suite |
+| `pnpm dev` | Start development server |
+| `pnpm build` | Production build → `dist/` |
+| `pnpm preview` | Preview production build locally |
+| `pnpm test` | Run all unit + solvability tests |
+| `pnpm test:solvability` | Run only the BFS solvability suite |
 
 ---
 

package.json

@@ -3,6 +3,7 @@
   "description": "Night Ninja: Twilight Voyage",
   "private": true,
   "version": "0.1.0",
+  "packageManager": "pnpm@11.1.1",
   "type": "module",
   "license": "Apache-2.0",
   "scripts": {

pnpm-workspace.yaml

@@ -0,0 +1,2 @@
+allowBuilds:
+  esbuild: true