Use when the user wants Docker-based FRB development or Tart-based iOS Simulator validation.
Use when preparing or explaining the FRB Tart base VM for iOS Simulator validation, including local OCI registry mirroring, direct OCI clone, and base VM hygiene.
Explain how cargokit is sourced, copied, and analyzed inside flutter_rust_bridge. Use when working on `integration_template/**/cargokit`, `frb_example/**/cargokit`, integrate/generate output drift, or any diff that mentions cargokit and you need to identify the true source of truth before judging the change.
Use when about to create a PR or push changes in flutter_rust_bridge to ensure code generation is up to date
Use when implementing a GitHub issue, bug fix, or feature in flutter_rust_bridge end-to-end: develop the change, add regression coverage, prepare and open a PR, monitor CI until green, request and resolve Gemini review, and keep following up on a 5 minute cadence until the PR is ready.
Review a flutter_rust_bridge PR before treating it as ready, including subagent checks for correctness and test weakening plus Gemini review.
Use when needing to run tests locally in flutter_rust_bridge, or when debugging test failures before pushing
Upgrade flutter_rust_bridge to a new Flutter stable release. Use when changing Flutter/Dart versions, devcontainer Docker images, CI/post-release pins, generated Flutter scaffolds, or platform compatibility.