Use when implementing the data layer in Android or KMP — the Repository pattern's layered error-propagation model (repository as the error boundary, sealed DataError, Result placement with and without a domain layer) and Room in commonMain (@ConstructedBy, BundledSQLiteDriver, per-target KSP).
$npx -y skills add rcosteira79/android-skills --skill android-data-layerInstalls into the current project.
Run `npx skills use "https://github.com/rcosteira79/android-skills" --skill "rcosteira79/android-skills/android-data-layer"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/rcosteira79/android-skills" that are relevant to the current task. Run `npx skills add "https://github.com/rcosteira79/android-skills"` and select the relevant skills, then follow their instructions.