The built-in cache: maven in setup-java@v4 does not reliably work
on self-hosted act runners. Replace with an explicit actions/cache@v4
on ~/.m2/repository keyed on pom.xml hash.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
node_modules and the Playwright Chromium binary were downloaded fresh
on every run, making setup account for ~99% of pipeline runtime.
- Cache frontend/node_modules keyed on package-lock.json hash
- Cache ~/.cache/ms-playwright keyed on package-lock.json hash
- On cache hit: skip npm ci and browser download, only reinstall
system deps (install-deps) which is much faster than a full install
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>