fix(i18n): fix zh-TW mixing Simplified Chinese characters and add missing keys

[dwakshar]

Noticed this while going through the Electron app with zh-TW set — a bunch of UI strings were either showing up in Simplified Chinese or just falling back to English because the keys didn't exist in the zh-TW file at all. Figured I'd fix both problems in one go.

The Two Issues

• The zh-TW file was missing entire sections that zh-CN had — downloads panel, video call UI, media/microphone permission dialogs, sidebar extras. So users in Taiwan were either seeing English or Simplified Chinese for those parts of the UI.
• On top of that, some existing strings were clearly copy-pasted from zh-CN and never properly converted — things like 設置 instead of 設定, 攝像頭 instead of 攝影機, 屏幕 instead of 螢幕.

Changes

• Added missing sections: downloads, videoCall, mediaPermission, microphonePermissionDenied, sidebar clearCache, clearStorageData, disableGpu, helpMenu
• Corrected Simplified terms still sitting in the zh-TW file: 設置→設定, 攝像頭→攝影機, 視頻→影片, 屏幕→螢幕, 消息→訊息, 搜索→搜尋, 網絡→網路
• Fixed touchBar.formatting which was untranslated (showing "Formatting" in English)
• All strings now follow standard Taiwan zh-TW conventions

Screenshots (After)

The previous version showed mixed Simplified Chinese or English fallback
for these sections. Below are the corrected zh-TW translations after the fix.

Settings

Context menu

Fixes #3306

Summary by CodeRabbit

• New Features

  • Permission dialogs for microphone/camera with settings actions
  • Downloads management UI with search, filters, per-item controls (pause/resume/retry/cancel/remove/copy/show folder) and progress/results
  • Video call loading and error state messages

• Documentation

  • Updated Traditional Chinese UI labels, menu terminology, sidebar entries, settings option texts, and touch bar formatting label

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 9d28be93-6db8-4621-a797-e9bace490ca9

📥 Commits

Reviewing files that changed from the base of the PR and between b9f9018 and de1e707.

📒 Files selected for processing (1)

• src/i18n/zh-TW.i18n.json

🚧 Files skipped from review as they are similar to previous changes (1)

• src/i18n/zh-TW.i18n.json

---

Walkthrough

Updated Traditional Chinese (zh-TW) translation file to add new UI text for media permission dialogs, downloads, video call states, and new settings/menu entries; also corrected Taiwan-specific terminology and adjusted several existing labels.

Changes

Cohort / File(s)

Summary

Localization: zh-TW file src/i18n/zh-TW.i18n.json

Added translations: dialog.mediaPermission, dialog.microphonePermissionDenied, new top-level downloads block (UI filters, per-item actions, progress/result), videoCall loading/error states, expanded settings.options (report, flashFrame, internalVideoChatWindow), added sidebar labels (downloads, settings, clear cache/storage), updated menus (disableGpu, downloads, settings, helpMenu label), and small touchBar/formatting and terminology corrections (e.g., 作業系統, 色彩主題).

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately describes the main changes: fixing Simplified Chinese characters in zh-TW and adding missing translation keys.
Linked Issues check	✅ Passed	The PR comprehensively addresses issue #3306 by adding missing translation sections and correcting Simplified Chinese terms to proper Taiwan Traditional Chinese equivalents.
Out of Scope Changes check	✅ Passed	All changes are directly related to fixing the zh-TW translation file, which is the sole objective of the linked issue.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

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[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against the current code and only fix it if needed.

Inline comments:
In `@src/i18n/zh-TW.i18n.json`:
- Around line 135-145: The translation for the key downloads.item.errored
currently reads "下載已取消" which indicates cancellation but is used by
DownloadItem.tsx for error states; update the value of "item.errored" under the
downloads namespace to an error-state phrasing such as "下載失敗" or "下載發生錯誤" so it
accurately reflects a failed download instead of a cancelled one and ensure
DownloadItem.tsx continues to reference downloads.item.errored.

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

---

ℹ️ Review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 6bf33d58-9e57-46e7-8f2c-891c43b6ea50

📥 Commits

Reviewing files that changed from the base of the PR and between d865454 and b9f9018.

📒 Files selected for processing (1)

• src/i18n/zh-TW.i18n.json

📜 Review details

🧰 Additional context used

🧠 Learnings (1)

📓 Common learnings

Learnt from: Ram-sah19
Repo: RocketChat/Rocket.Chat.Electron PR: 3254
File: .github/workflows/build-release.yml:80-94
Timestamp: 2026-03-11T06:38:40.426Z
Learning: In the RocketChat/Rocket.Chat.Electron repository, the issues flagged in `.github/workflows/build-release.yml` (e.g., `node12` runtime in the release action and missing `snapcraft_token` input), i18n files, and `electron-builder.json` are pre-existing in the `develop` branch and are pulled in during merge conflict resolution. Do not flag these as new issues introduced by PRs that only modify `src/injected.ts` and `src/ui/main/rootWindow.ts`.

[dwakshar]

下載失敗 → simple, standard, widely used ✅