Added #

• MiAuth authentication support - Alternative authentication method for Misskey servers
• Comprehensive error handling system - Granular exception classes for different error scenarios

Changed #

• Error handling architecture - Replaced generic exceptions with specific MisskeyAuthException subclasses
• OAuth client improvements - Enhanced error mapping and better exception handling
• MiAuth client implementation - Complete MiAuth authentication flow with proper error handling

Features #

• MisskeyMiAuthClient - Main MiAuth authentication client
• MisskeyMiAuthConfig - Configuration class for MiAuth authentication
• MiAuthTokenResponse - Response model for MiAuth authentication
• Enhanced exception classes including:
  • OAuthNotSupportedException - Server doesn't support OAuth 2.0
  • MiAuthDeniedException - User denied MiAuth permission
  • NetworkException - Network connectivity issues
  • UserCancelledException - User cancelled authentication
  • CallbackSchemeErrorException - URL scheme configuration errors
  • And 15+ more specific exception classes

Changed #

• Platform support is now limited to iOS and Android only.

Added #

• Initial beta release
• OAuth 2.0 authentication for Misskey servers (v2023.9.0+)
• External browser authentication (no embedded WebViews)
• Secure token storage using flutter_secure_storage
• PKCE (Proof Key for Code Exchange) implementation
• Custom URL scheme handling for authentication callbacks
• Cross-platform support (iOS/Android)

Features #

• MisskeyOAuthClient - Main authentication client
• MisskeyOAuthConfig - Configuration class for authentication
• Comprehensive error handling with custom exceptions
• Support for custom callback schemes