devp · devp · Jan 31, 2026 · Jan 31, 2026 · Jan 31, 2026 · Jan 31, 2026
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
@@ -0,0 +1,29 @@
+name: Tests
+
+on:
+  push:
+    branches: ['*']
+  pull_request:
+    branches: ['*']
+
+jobs:
+  test:
+    name: Run Unit Tests
+    runs-on: ubuntu-latest
+    continue-on-error: true
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run tests
+        run: npm test
diff --git a/AGENTS.md b/AGENTS.md
@@ -0,0 +1,4 @@
+# Unit tests
+
+- add unit tests for: fundamental game logic implementing game rules, and non-trivial game-specific logic, and non-trivial shared/common logic
+- otherwise, avoid unnecessary tests, avoid change detector tests, avoid over mocked tests
diff --git a/index.html b/index.html
@@ -9,6 +9,19 @@
         margin: 0;
         background-color: #f0f0f0;
       }
+      .player-container {
+        display: flex;
+        justify-content: center;
+        gap: 40px;
+        padding: 20px;
+      }
+      @media (max-width: 768px) {
+        .player-container {
+          flex-direction: column;
+          gap: 20px;
+          align-items: center;
+        }
+      }
     </style>
   </head>
   <body>