perf(ci): cache pnpm verification records on Linux (#23568)

* perf(ci): pilot pnpm verification record caching on Linux

* test(ci): review pnpm verification record in mobile cache audit

config/scripts/ci-dependency-download-cache.test.mjs

@@ -48,7 +48,11 @@ describe('CI dependency download caches', () => {
       action.runs.steps.findIndex((step) => step.name === 'Install dependencies')
     )
     const saves = action.runs.steps.filter((step) => step.uses === 'actions/cache/save@v5')
-    expect(saves).toEqual([])
+    expect(saves).toHaveLength(1)
+    expect(saves[0].name).toBe('Save pnpm verification record on main')
+    expect(saves[0].if).toContain("github.ref == 'refs/heads/main'")
+    expect(saves[0].if).toContain("github.event_name != 'pull_request'")
+    expect(saves[0].with.path).toBe('${{ steps.verification-cache.outputs.path }}')
   })
 
   it('restores Windows packaging downloads from the release cache without a PR upload', () => {

config/scripts/mobile-release-shell-switch-workflow.test.mjs

@@ -120,6 +120,8 @@ const BUNDLER_CACHE_PATHS = ['metro-cache', '.expo', 'node_modules/.cache']
 const REVIEWED_COMPUTED_PATHS = [
   '${{ steps.electron-package-cache.outputs.cache-root }}',
   '${{ steps.pnpm-store.outputs.path }}',
+  // Only pnpm's lockfile-verified.jsonl record, never Metro transforms.
+  '${{ steps.verification-cache.outputs.path }}',
   "${{ github.event_name != 'pull_request' && 'pnpm' || '' }} store"
 ]