- Updated ChatInput.vue to remove i18n and handle model value updates directly.
- Refactored NavBar.vue to use a static title map instead of i18n.
- Simplified TabBar.vue by replacing i18n calls with hardcoded titles.
- Removed i18n usage in various pages (charts, counter, forgot-password, index, keepalive, llm-chat, login, mock, profile, register, scroll-cache, settings, unocss).
- Deleted localization files (en-US.json, zh-CN.json) and i18n utility functions.
- Updated constants to provide static app name and description.
- Adjusted page titles in set-page-title.ts to use static names.
- Cleaned up TypeScript types by removing unused i18n types.
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