Sanmill

Batch update ARB translation files across all languages when new translation keys are added to English and Chinese files; use when adding new i18n strings to the Flutter app.

Format C++ code in Sanmill project to ensure consistent code style; use when formatting C++ code or checking code style compliance.

Run Sanmill's Flutter test suite, including unit tests, widget tests, and integration tests; use when running tests or checking test coverage.

Validates that all necessary code changes are implemented when adding new game rules; use when adding new game rules or variants to ensure no files are missed.