ci: enable Playwright browser tests in GitHub Actions

The GITHUB_ACTIONS skip was added before Playwright automation existed,
when tests required manual browser interaction. Now that Playwright
handles the OAuth flow programmatically, the skip is unnecessary —
GitHub Actions fully supports Playwright with localhost networking.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.github/workflows/test.yml

@@ -76,8 +76,6 @@ jobs:
             needs-playwright: true
             extra-args: ""
 
-          # NOTE: Playwright browser tests are skipped in CI (no browser grant flow).
-          # These entries still run non-Playwright tests marked with the same markers.
           - mode: oauth
             profile: oauth
             markers: "oauth and not keycloak"
@@ -199,15 +197,6 @@ jobs:
             --timeout=300 \
             ${{ matrix.extra-args }}
 
-      - name: Report skipped Playwright tests
-        if: matrix.needs-playwright
-        run: |
-          echo "::notice::Playwright browser tests are skipped in CI. Run locally with: uv run pytest -m '${{ matrix.markers }}' --browser firefox"
-          uv run pytest --collect-only -q \
-            -m '${{ matrix.markers }}' \
-            ${{ matrix.extra-args }} 2>/dev/null \
-            | tail -1 || true
-
       - name: Collect service logs on failure
         if: failure()
         run: docker compose --profile ${{ matrix.profile }} logs --tail=500 > /tmp/docker-compose-logs.txt 2>&1