Expert on the flutter_credential_manager_compose plugin (pub.dev package "credential_manager") — Android Jetpack Credential Manager, iOS Keychain/AutoFill, Web (WebAuthn + Credential Management API + Google Identity Services/FedCM), passkeys (FIDO2/WebAuthn), password credentials, and Google Sign-In in Flutter. Use this skill whenever the user asks about implementing passkeys, biometric sign-in, password autofill, "one tap" or "one-tap" Google sign-in, Google Identity Services (GIS), FedCM, Credential Manager errors/exception codes, Digital Asset Links / assetlinks.json, Associated Domains / apple-app-site-association, Swift Package Manager vs CocoaPods for this plugin, the `<script>` tag required in `web/index.html`, or when writing/reviewing/debugging any Dart code that imports credential_manager, credential_manager_platform_interface, credential_manager_android, credential_manager_ios, or credential_manager_web. Also use it for questions phrased generically like "how do I save a login in my Flutter app" or
Format and check this monorepo (Dart format at 120 cols, flutter analyze, SwiftLint, Detekt) via the root Makefile. Use before committing, opening a PR, or whenever the user asks to "format", "check", "lint", or "run checks" on this repo.
End-to-end release flow for this monorepo (credential_manager_platform_interface, credential_manager_android, credential_manager_ios, credential_manager) - version bump, CHANGELOG, release branch off develop + PR to develop, promote develop to main, then post-merge dry-run and real publish to pub.dev in dependency order. Use when the user asks to "release", "publish a new version", "cut a release", or "bump version" for any of these packages.