* ci(e2e): cache Playwright browsers and apt packages
- cache `~/.cache/ms-playwright` keyed on the lockfile; on a hit only
the OS deps are installed, skipping the browser download
- cache apt archives in test_web_app, matching the rust/tauri jobs
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
* ci: enable Turbopack persistent cache and key it for cross-PR reuse
Enable `experimental.turbopackFileSystemCacheForBuild` so `next build`
persists a real Turbopack cache (~640 MB at `.next/cache/turbopack`),
instead of the ~340 KB of metadata the previous `.next/cache` cache
held. Dev caching is already on by default in Next 16.1+.
Redesign the cache keys so they actually pay off:
- drop `${{ github.sha }}` from the key — it made every commit a unique
entry that no other PR could exact-hit. The key is now
`turbo-<mode>-<target>-<os>-<lockfile-hash>`, deterministic across
branches, so every PR restores the same entry (in practice the one
`main` last saved — the only cache sibling PRs can all see).
- `build_web_app` (`next build`) caches `.next/cache`;
`build_tauri_app` (`next dev`) caches `.next/dev/cache` — `next dev`'s
Turbopack cache lives in a different directory.
- drop the Next.js cache step from `test_web_app`; it runs no build.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
---------
Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Huang Xin
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