Live Lingo - Live Translator

* Integrated an advanced on-device AI translation engine to provide a smarter offline translation experience for high-end devices. * Improved compatibility for legacy and standard models, automatically recommending the high-speed offline AI model and applying fallback strategies to ensure smooth performance. * Added a self-healing feature for offline translation data, displaying a helpful alert if translation files are corrupted and allowing a one-click download of the high-speed model to restore functionality instantly. * Upgraded the face-to-face translation mode, adding a connection status indicator for the background engine and real-time banner alerts if microphone access is missing to avoid unrecognized speech. * Enhanced live camera translation to rely entirely on the local AI engine for real-time analysis once switched, eliminating dependencies on native system offline packages. * Expanded download channels for offline models, combining adaptive speed testing to significantly accelerate download speeds across various network conditions. * Completed localization for all vocabulary book interfaces, adding background processing and smart caching for word definitions and example translations to make reviewing and learning more efficient.