ci: enforce reproducible quality gates

.gitea/workflows/quality.yml

@@ -0,0 +1,54 @@
+name: Quality gates
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+permissions:
+  contents: read
+
+jobs:
+  quality:
+    runs-on: ubuntu-latest
+    timeout-minutes: 15
+    steps:
+      - name: Check out source
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          cache: npm
+      - name: Install reproducibly
+        run: npm ci
+      - name: Install browser
+        run: npx playwright install --with-deps chromium
+      - name: Unit and security tests
+        run: npm test
+      - name: Mobile browser acceptance
+        run: |
+          npm start > /tmp/timmy-server.log 2>&1 &
+          server_pid=$!
+          trap 'kill "$server_pid"' EXIT
+          for attempt in $(seq 1 30); do
+            if curl --fail --silent http://127.0.0.1:4173/ > /dev/null; then
+              break
+            fi
+            if [ "$attempt" -eq 30 ]; then
+              cat /tmp/timmy-server.log
+              exit 1
+            fi
+            sleep 1
+          done
+          npm run test:ui
+          npm run test:photo
+      - name: Dependency audit
+        run: npm audit --audit-level=high
+      - name: Syntax checks
+        run: npm run check:syntax
+      - name: Diff hygiene
+        run: npm run check:diff