# Flutter ProGuard Rules -keep class io.flutter.** { *; } -keep class io.flutter.plugins.** { *; } -dontwarn io.flutter.embedding.** # Keep annotations -keepattributes *Annotation* # Keep Keycloak/OAuth related classes -keep class net.openid.appauth.** { *; } # Keep Gson/JSON serialization -keepattributes Signature -keepattributes EnclosingMethod # Keep crypto classes for PKCE -keep class javax.crypto.** { *; }