Revert "Fix line9"

.github/workflows/main.yml

@@ -1,28 +1,27 @@
-name: CI
+name: Lint & Test
 
 on:
   push:
+    branches: [main]
   pull_request:
+    branches: [main]
+  workflow_dispatch:
 
 jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      # Use Node 20 (required for @typescript-eslint v8 / structuredClone)
-      - name: Use Node.js 20
-        uses: actions/setup-node@v4
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
         with:
-          node-version: 20
-          cache: 'npm'
-
-      - name: Install deps (clean)
-        run: npm ci
-
+          node-version: "16"
+      - name: Setup
+        run: |
+          npm install
+          npm run build
       - name: Run eslint
-        run: npm run lint
-
+        run: |
+          npm run lint
       - name: Run tests
-        run: npm test
+        run: |
+          npm run test