Skip unused Playwright setup in Gitea CI

.gitea/workflows/backend-quality-gate.yml

@@ -163,7 +163,6 @@ jobs:
       - name: Install dependencies
         env:
           PIP_INDEX_URL: https://mirrors.aliyun.com/pypi/simple/
-          PLAYWRIGHT_DOWNLOAD_HOST: https://registry.npmmirror.com/-/binary/playwright
           NPM_CONFIG_REGISTRY: https://registry.npmmirror.com
         run: |
           set -euo pipefail
@@ -176,8 +175,7 @@ jobs:
             "numpy==2.5.1" \
             "pandas==2.3.3" \
             "timezonefinder==8.2.5" \
-            -r requirements.txt -r requirements-dev.txt playwright
-          python -m playwright install --with-deps chromium
+            -r requirements.txt -r requirements-dev.txt
           npm ci --prefix frontend
 
       - name: Validate backend, package, frontend, and database contracts

frontend/tests/staging-backend-workflows.test.ts

@@ -131,7 +131,6 @@ test("Gitea quality gate validates before publishing an immutable ACR manifest",
   assert.equal((workflow.match(/git status --porcelain --untracked-files=all/g) ?? []).length, 2);
   assert.match(workflow, /python3 -m venv \.venv/);
   assert.match(workflow, /PIP_INDEX_URL: https:\/\/mirrors\.aliyun\.com\/pypi\/simple\//);
-  assert.match(workflow, /PLAYWRIGHT_DOWNLOAD_HOST: https:\/\/registry\.npmmirror\.com\/-\/binary\/playwright/);
   assert.match(workflow, /NPM_CONFIG_REGISTRY: https:\/\/registry\.npmmirror\.com/);
   for (const constraint of [
     'mcp==1.28.1',
@@ -142,7 +141,7 @@ test("Gitea quality gate validates before publishing an immutable ACR manifest",
   ]) {
     assert.match(workflow, new RegExp(`"${constraint.replaceAll(".", "\\.")}"`));
   }
-  assert.match(workflow, /python -m playwright install --with-deps chromium/);
+  assert.doesNotMatch(workflow, /playwright install|requirements-dev\.txt playwright/);
   assert.equal((workflow.match(/Acquire::https::Timeout=30 update/g) ?? []).length, 1);
   assert.match(workflow, /packages\+=\(docker-compose-v2\)/);
   assert.match(workflow, /python3 -m venv "\$venv_probe\/venv"/);