ci: cache Flutter pub packages in the Mobile job#1128
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The Mobile CI job ran flutter pub get from scratch on every run. Under degraded network conditions on GitHub Actions runners, this step blocked for 13+ minutes against the 15-minute job timeout. Every other dependency store in the workflow is cached (pnpm, Playwright, Rust); pub was the only gap.
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The Mobile CI job ran
flutter pub getfrom scratch on every run with no package caching. Under degraded network conditions on GitHub Actions runners, this caused the "Install dependencies" step to block for 13+ minutes against the 15-minute job timeout.Every other dependency store in the workflow is already cached — pnpm via
actions/cache, Playwright browsers viaactions/cache, and Rust viaSwatinem/rust-cache. The Mobile job was the only gap.Adds a
Restore pub cachestep beforeflutter pub getand aSave pub cachestep afterflutter test, following the exact same split restore/save pattern as the pnpm cache:~/.pub-cache(default Dart/Flutter pub cache on Linux)pub-{os}-{hash(mobile/pubspec.lock)}withpub-{os}-as the fallback restore keyactions/cacheSHA already in the file