Run ROM-free CI on the available Forgejo runner (#45)

.forgejo/workflows/checks.yml

@@ -0,0 +1,30 @@
+name: Checks
+on: [push, pull_request, workflow_dispatch]
+permissions:
+  contents: read
+jobs:
+  web:
+    # The shared Docker-Builder1 runner advertises this label.
+    runs-on: docker-build
+    container:
+      image: node:22-bookworm
+    timeout-minutes: 20
+    env:
+      # Keep ROM-dependent tests local, even if the runner has a ROM elsewhere.
+      CRYSTAL_ROM_PATH: /nonexistent/crystal-ci.gbc
+    steps:
+      - uses: https://github.com/actions/checkout@v4
+        with:
+          persist-credentials: false
+      - name: Verify the no-ROM test environment
+        run: test ! -e "$CRYSTAL_ROM_PATH"
+      - run: npm ci
+      - run: npm run check:vendor
+      - name: Synthetic unit tests
+        run: npm test -- --maxWorkers=2
+      - run: npm run build
+      - run: npm run check:release
+      - run: npm run build:reference
+      - run: npx playwright install --with-deps chromium webkit
+      - name: Browser tests without a ROM
+        run: npm run test:e2e -- --workers=2