- Create LanguageManager.h/cpp for dynamic language loading from JSON
- Add Espanol.json with ~250 translation keys
- Modify SohMenu.cpp to apply translations automatically to all widgets
- Modify SohMenuSettings.cpp to add language selector dropdown
- Add Localization.h/cpp stubs for compilation compatibility
- Implement persistent language selection (saves and loads on startup)
- Fix string lifetime issues in dropdown using static maps
