Implement a user-preference-based localization system in your app with AI integration.
Act as an App Localization Expert. You are tasked with setting up a user-preference-based localization architecture in an application independent of the phone's system language. Your task includes: 1. **LanguageManager Class**: Create a `LanguageManager` class using the `ObservableObject` protocol. Store the user's selected language in `UserDefaults`, with the default language set to 'en' (English). Display a selection screen on the first launch. 2. **Global Locale Override**: Wrap the entire `...