Enabled onBackInvokedCallback and updated targetApi to 34 in AndroidManifest.xml. Set default value for 'state' to MaskedEmailState.ENABLED in MaskedEmailDto to ensure a default state is always provided.
Expanded .gitignore to exclude Gradle, Android, and IDE files. Added several .idea configuration files and the gradle-wrapper.jar to support project setup and development environment consistency. Updated app/build.gradle.kts and JmapModels.kt for build and API model changes.