* feat(frontend): add English and Traditional Chinese locales
* fix(frontend): capitalize the English login key label
* fix(frontend): capitalize standalone English labels
* feat(frontend): add reactive localization and refine admin layouts
Replace DOM text translation with domain-based Vue I18n resources for English, Simplified Chinese, and Traditional Chinese. Localize shared controls, notifications, charts, and key usage while refining table alignment, menus, and compact labels.
Expose semantic usage-window and trend-metric identifiers from the API. Pin the UI and workbench dependencies to published feature commits and preserve the original font defaults.
Co-authored-by: Codex <noreply@openai.com>
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Co-authored-by: Jimbb <14995924+jimbb@users.noreply.github.com>
Co-authored-by: Zyy <zyycn@users.noreply.github.com>
Co-authored-by: Codex <noreply@openai.com>
