修复 Overview IPC 加载失败时误显示空数据

[H-Chris233]

User description

摘要

修复 Overview 页在 listHistory() / getCredentials() IPC 调用失败时静默吞掉错误的问题。

• 历史读取失败时，指标和最近识别区域显示 inline 错误
• 最近识别支持重试
• 凭据状态读取失败时，ProviderCard 显示“无法读取”第三态，避免误显示“未配置”
• 补齐简体中文、繁体中文、英文、日文、韩文文案

Closes #311

验证

• git diff --check
• cd openless-all/app && npm run build

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PR Type

Bug fix, Enhancement

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Description

• Catch errors from listHistory and getCredentials IPC calls

• ProviderCard now shows 'error' status distinct from not-configured

• Metrics and recent area display inline error with retry button

• Add error-related i18n strings in 5 locales

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Diagram Walkthrough

flowchart LR
  A["listHistory / getCredentials"] -- "catch errors" --> B["setHistoryError / setCredsError"]
  B --> C["ProviderCard status = 'error'"]
  B --> D["Metrics show '—' and error labels"]
  B --> E["WeekChart replaced with error text"]
  B --> F["Recent area shows retry button"]

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File Walkthrough

	Relevant files
Error handling	Overview.tsx Handle IPC errors with inline feedback and retry                  openless-all/app/src/pages/Overview.tsx Added historyError and credsError state Wrapped listHistory in useCallback with error catch Added .catch to getCredentials with error set Updated ProviderCard to accept status prop (incl. 'error') Metrics, WeekChart, and recent section show inline error feedback +63/-22
Enhancement	en.ts Add English error-related overview strings                              openless-all/app/src/i18n/en.ts Added keys: statusUnknown, credentialsLoadError, historyLoadError, recentLoadFailed, historyRetry +5/-0      ja.ts Add Japanese error-related overview strings                            openless-all/app/src/i18n/ja.ts Added keys: statusUnknown, credentialsLoadError, historyLoadError, recentLoadFailed, historyRetry +5/-0      ko.ts Add Korean error-related overview strings                                openless-all/app/src/i18n/ko.ts Added keys: statusUnknown, credentialsLoadError, historyLoadError, recentLoadFailed, historyRetry +5/-0      zh-CN.ts Add Simplified Chinese error-related overview strings        openless-all/app/src/i18n/zh-CN.ts Added keys: statusUnknown, credentialsLoadError, historyLoadError, recentLoadFailed, historyRetry +5/-0      zh-TW.ts Add Traditional Chinese error-related overview strings      openless-all/app/src/i18n/zh-TW.ts Added keys: statusUnknown, credentialsLoadError, historyLoadError, recentLoadFailed, historyRetry +5/-0

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[github-actions]

PR Reviewer Guide 🔍

Here are some key observations to aid the review process:

🎫 Ticket compliance analysis ✅ 311 - Fully compliant Compliant requirements: IPC calls now have .catch, inline errors displayed ProviderCard has 'error' status distinct from 'notConfigured' Recent cards show error with retry button on failure

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

🧪 No relevant tests

🔒 No security concerns identified

⚡ No major issues detected