修复翻译页保存失败无提示

[H-Chris233]

User description

摘要

• 为 Translation 页的工作语言、翻译目标语言、翻译快捷键保存路径补上 saving/saved/failed 状态提示
• 捕获保存失败，避免 promise rejection 静默丢失；偏好写入失败后刷新后端状态以回滚乐观 UI
• 为新增提示补齐简体中文、繁体中文、英文、日文、韩文文案

验证

• npm run build
• git diff --check

Closes #314

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PR Type

Bug fix, Enhancement

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Description

• Add save feedback banner

• Catch translation save failures

• Separate hotkey register errors

• Localize new failure messages

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Diagram Walkthrough

flowchart LR
  A["Translation page"] -- "working / target language save" --> B["savePrefs"]
  A -- "translation hotkey save" --> C["setTranslationHotkey"]
  B -- "success / failure" --> D["status banner"]
  C -- "success / failure" --> D
  B -- "refresh prefs on failure" --> E["Hotkey settings refresh"]

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File Walkthrough

	Relevant files
Bug fix	Translation.tsx Add save-state feedback to translation page                            openless-all/app/src/pages/Translation.tsx Introduces saving, saved, and failed UI states with a dismissing status banner. Wraps working language and target language persistence in a shared async helper with error handling. Splits translation hotkey saving into register and preference-save steps, stopping on registration failure. Refreshes preferences after save errors to roll back stale optimistic UI state. +90/-9
Enhancement	en.ts Add English translation save errors                                            openless-all/app/src/i18n/en.ts Adds localized messages for working-language save failure. Adds localized messages for translation target save failure. Adds separate messages for translation hotkey registration and save failures. +6/-0      ja.ts Add Japanese translation save errors                                          openless-all/app/src/i18n/ja.ts Adds localized messages for working-language save failure. Adds localized messages for translation target save failure. Adds separate messages for translation hotkey registration and save failures. +6/-0      ko.ts Add Korean translation save errors                                              openless-all/app/src/i18n/ko.ts Adds localized messages for working-language save failure. Adds localized messages for translation target save failure. Adds separate messages for translation hotkey registration and save failures. +6/-0      zh-CN.ts Add Simplified Chinese save failures                                          openless-all/app/src/i18n/zh-CN.ts Adds localized messages for working-language save failure. Adds localized messages for translation target save failure. Adds separate messages for translation hotkey registration and save failures. +6/-0      zh-TW.ts Add Traditional Chinese save failures                                        openless-all/app/src/i18n/zh-TW.ts Adds localized messages for working-language save failure. Adds localized messages for translation target save failure. Adds separate messages for translation hotkey registration and save failures. +6/-0

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[github-actions]

PR Reviewer Guide 🔍

Here are some key observations to aid the review process:

🎫 Ticket compliance analysis ✅ 314 - Fully compliant Compliant requirements: Saving / saved / failed feedback added for all three save paths. Save failures are caught and logged instead of being left unhandled. Local state is refreshed after preference save failures. Hotkey registration failure stops the preference save flow. New messages were added in zh-CN, zh-TW, en, ja, and ko.

⏱️ Estimated effort to review: 2 🔵🔵⚪⚪⚪

🧪 No relevant tests

🔒 No security concerns identified

⚡ No major issues detected