add unittest

.github/workflows/unit-ci.yml

@@ -0,0 +1,33 @@
+# Run Unit test without Harnesses
+name: unit-ci
+
+on:
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '24.x'
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Install test dependencies (Playwright Chromium)
+        run: npm run test:install-dependencies
+
+      - name: Run unit tests suite
+        run: npm run test:unit