Add GitHub workflow for chat-lib

Author: chrmarti

.github/workflows/npm-package.yml

@@ -0,0 +1,54 @@
+name: chat-lib tests
+
+on:
+  pull_request:
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+concurrency:
+  group: chat-lib-tests-${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  test:
+    name: chat-lib tests (${{ matrix.os }})
+    runs-on: ${{ matrix.os }}
+    timeout-minutes: 30
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22.x
+          cache: npm
+          cache-dependency-path: |
+            package-lock.json
+            chat-lib/package-lock.json
+
+      - name: Extract chat-lib
+        shell: bash
+        run: |
+          npm ci
+          npm run extract-chat-lib
+          rm -rf node_modules
+
+      - name: Install chat-lib dependencies
+        working-directory: chat-lib
+        run: npm ci
+
+      - name: Build chat-lib
+        working-directory: chat-lib
+        run: npm run build
+
+      - name: Test chat-lib
+        working-directory: chat-lib
+        run: npm test