Complete Simplified Chinese (zh-Hans) localization

[mengyang0007-dev]

Summary

This brings zh-Hans in the macOS string catalogs from partial to effectively
complete, and makes the pre-existing Chinese translations terminologically
consistent with each other.

Catalog	zh-Hans before	zh-Hans after	Keys
Resources/Localizable.xcstrings	1837	5707	5890
Resources/InfoPlist.xcstrings	13	29	29
Packages/macOS/CmuxSwiftRenderUI/.../Localizable.xcstrings	0	3	3

In the main catalog: 3870 keys newly translated, 367 existing values
revised, and 146 entries promoted out of a non-final state (137
needs_review, 9 new) to translated. No entry is left in needs_review
or new.

Nothing but zh-Hans is touched. No en, ja or other locale value, and no
entry-level metadata, differs from the previous revision.

Coverage and what is deliberately left in English

183 of 5890 keys carry no zh-Hans entry on purpose, because a "translation"
would only duplicate the English and would read as a placeholder:

• Product and brand names — Claude Code, Codex, OpenCode, Kimi Code, Ollama, Cursor, Copilot, Gemini, Grok, Ghostty,
  Tailscale, Iroh, Discord, cmux Pro.
• Technical acronyms and identifiers — UDID, PID, CPU, URL,
  LTE, 5G, Wi-Fi, Face ID, HomeKit, Siri, VoiceOver,
  WebView, AppKit, SwiftUI, React, Solid.
• Format-only strings — %1$@: %2$@, %@ • %@, %@ px, PID %lld,
  :%lld, ⌘↩.
• Price and plan literals — $0, $50, $0.40, 4 vCPU / 16 GB,
  SOC 2.
• CLI usage fragments that are pure syntax — e.g.
  viewport <width> <height> | reset.

This follows the repo's own review rule against "placeholder, copied
English, machine marker, TODO, or empty translations used to satisfy a
locale slot" (.github/review-bot-rules/full-internationalization.md).

Terminology

The catalog previously used several Chinese words interchangeably for the
same cmux concept — pane appeared as both 窗格 and 面板, split as both
拆分 and 分屏, surface as 表面, 界面 and an untranslated Surface. Since
panel is its own distinct concept in cmux, pane→面板 was actively
misleading. This PR
settles on one word per concept and rewrites the 47 entries that disagreed:

English	zh-Hans	Note
workspace	工作区
tab	标签页
pane	窗格
panel	面板	kept distinct from pane
surface	表面
split	拆分
sidebar	侧边栏
agent	代理
browser	浏览器
remove	移除	vs. delete → 删除
OK / Cancel	确定 / 取消	macOS convention

Other conventions applied throughout:

• Ellipsis follows the English source character for character. A source
  … stays …; a source ... stays .... Menu items and CLI output in
  this repo use both, and they now match one-to-one.
• CLI help text translates the prose and leaves the machine parts alone.
  Flag names, subcommands, option columns, env vars, config keys and example
  command lines stay verbatim; only descriptions and section headers are
  translated (用法： / 标志: / 示例:), matching the style of the CLI
  help strings that were already translated.
• Keyboard shortcut text, bundle ids, socket names and file paths are
  never translated.
• InfoPlist.xcstrings keeps its own register. The 13 pre-existing
  entries address the user as 您; the 16 added ones do the same, rather
  than importing the 你 used in the app UI.
• settings.search.* alias strings keep their English keywords and append
  Chinese ones, which is what the 110 already-translated alias entries in
  this catalog do — Chinese users can then find a setting by either.

Keys whose English changed upstream

65 keys had their English source edited since the previous zh-Hans pass —
most of them the Stack → cmux rename in the sign-in flow (e.g.
account.signIn.error.network.title: "Couldn't reach Stack" → "Couldn't
reach cmux"). Those were re-translated from the current English rather than
carried over, so no stale product name survives in Chinese.

How to verify

No Xcode build is required to check this diff.

1. All three catalogs still parse.

   for f in Resources/Localizable.xcstrings Resources/InfoPlist.xcstrings \
     Packages/macOS/CmuxSwiftRenderUI/Sources/CmuxSwiftRenderUI/Resources/Localizable.xcstrings; do
     python3 -c "import json,sys; json.load(open(sys.argv[1])); print('ok', sys.argv[1])" "$f"
   done

2. Nothing outside zh-Hans moved. For each catalog, compare every
   locale except zh-Hans, plus the entry metadata and the top-level keys,
   against origin/main:

   python3 - <<'EOF'
   import json, subprocess
   for f in ["Resources/Localizable.xcstrings", "Resources/InfoPlist.xcstrings",
             "Packages/macOS/CmuxSwiftRenderUI/Sources/CmuxSwiftRenderUI/Resources/Localizable.xcstrings"]:
       old = json.loads(subprocess.check_output(["git", "show", f"origin/main:{f}"]))
       new = json.load(open(f))
       bad = [(k, loc)
              for k, v in old["strings"].items()
              for loc in set(v["localizations"]) | set(new["strings"][k]["localizations"])
              if loc != "zh-Hans"
              and v["localizations"].get(loc) != new["strings"][k]["localizations"].get(loc)]
       meta = set(old) == set(new) and all(old[k] == new[k] for k in old if k != "strings")
       print(f, "non-zh-Hans diffs:", len(bad), "| metadata identical:", meta)
   EOF

3. Placeholders and line breaks match English. Every zh-Hans value this
   PR writes has the same printf placeholder multiset (%@, %lld,
   %1$@, %d, %s, %.0f) and the same \n count as its English source:

   python3 - <<'EOF'
   import json, re, collections
   PH = re.compile(r"%(\d+\$)?[0-9.]*(l{0,2}[@dfsuxi]|@)")
   for f in ["Resources/Localizable.xcstrings", "Resources/InfoPlist.xcstrings",
             "Packages/macOS/CmuxSwiftRenderUI/Sources/CmuxSwiftRenderUI/Resources/Localizable.xcstrings"]:
       bad = []
       for k, v in json.load(open(f))["strings"].items():
           z = v["localizations"].get("zh-Hans")
           if not z:
               continue
           e = v["localizations"]["en"]["stringUnit"]["value"]
           c = z["stringUnit"]["value"]
           if (collections.Counter(m.group(0) for m in PH.finditer(e))
                   != collections.Counter(m.group(0) for m in PH.finditer(c))
                   or e.count("\n") != c.count("\n")):
               bad.append(k)
       print(f, "mismatches:", len(bad))
   EOF

   This reports 38 keys in Resources/Localizable.xcstrings, and all 38
   are pre-existing values this PR does not touch (see "Pre-existing
   issues" below). Every value the PR writes matches.

4. Formatting. The catalogs were edited by splicing only the zh-Hans
   members, so indentation, key order and every other byte are unchanged;
   git diff shows added/replaced "zh-Hans" blocks and nothing else.

Pre-existing issues found but not changed here

These are left alone to keep this PR translation-only. Happy to send
separate PRs if you want them fixed.

1. 127 string entries in Resources/Localizable.xcstrings sit outside the
   "strings" object. From line 292853 the file closes "strings" and
   then continues with entries such as
   "browser.chromium.automation.commandTimedOut" as siblings of
   "sourceLanguage" / "strings" / "version", in compact one-line JSON
   rather than the file's indented style. A String Catalog only reads
   strings, so these 127 keys — the Chromium browser engine errors, the
   split-button debug menu, the Cloud VM tunnel and cmux vpn status
   strings, and the settings.browser.* engine rows — are invisible to
   Xcode and ship untranslated in every locale, English included. They look
   like the output of a script that appended to the wrong nesting level.

2. 38 existing zh-Hans values drift from their English source. 32 are
   settings.search.alias.* entries carrying a trailing • %@ that the
   English does not have; 6 are CLI help strings
   (cli.help.mosh, cli.help.ssh.mosh, cli.help.clearNotifications,
   cli.help.reorderWorkspaces, cli.comments.usage, cli.restore.help)
   whose Chinese has a different line count from the English, so their
   wrapped help output does not line up.

🤖 Generated with Claude Code

https://claude.ai/code/session_01Ea6L3DAe659mCmXwU4T7Hu

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Summary by cubic

Completes zh-Hans localization across all three macOS string catalogs, raising the main catalog from 1,837 to 5,707 translated keys and unifying previously inconsistent Chinese terminology. Only zh-Hans values change; no other locale or entry-level metadata is touched.

Coverage

• 3,870 keys newly translated, 367 revised, and 146 promoted from needs_review/new to translated; no entries remain in a non-final state.
• Resources/InfoPlist.xcstrings and the CmuxSwiftRenderUI package catalog are now complete (29 and 3 keys respectively).
• 183 keys intentionally carry no zh-Hans: brand names, technical acronyms, format-only strings, and price/plan literals where a translation would only duplicate English.

Terminology and conventions

• Unifies previously conflicting terms: pane→窗格, panel→面板, split→拆分, surface→表面, sidebar→侧边栏, agent→代理.
• Ellipsis characters, printf placeholders, and newline counts match the English source one-to-one.
• Product names, CLI flags, subcommands, env vars, and file paths stay untranslated.
• 65 keys whose English source changed upstream were re-translated from the current text.
• Found pre-existing issues (127 keys outside the strings object and 38 zh-Hans values drifting from English) but left them for separate PRs.

^{Written for commit ac6b0c8. Summary will update on new commits.}

Summary by CodeRabbit

• Localization
  • Added Simplified Chinese translations for sidebar messages.
  • Added Simplified Chinese translations for app permission and resource access descriptions.

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A member of the Team first needs to authorize it.

[github-actions]

All contributors have signed the CLA ✍️ ✅
_{Posted by the CLA Assistant Lite bot.}

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No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

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Run ID: 7565e946-5f2c-4dc4-a2fd-6d2633f2cf04

📥 Commits

Reviewing files that changed from the base of the PR and between 167bfea and ac6b0c8.

📒 Files selected for processing (3)

• Packages/macOS/CmuxSwiftRenderUI/Sources/CmuxSwiftRenderUI/Resources/Localizable.xcstrings
• Resources/InfoPlist.xcstrings
• Resources/Localizable.xcstrings

Included review availability: Your plan provides up to 10 included reviews per hour; 9 remain after this review.

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📝 Walkthrough

Walkthrough

This change adds Simplified Chinese (zh-Hans) translations for three sidebar messages and 16 Info.plist usage-description strings.

Changes

Simplified Chinese localization

Layer / File(s)	Summary
Sidebar localization Packages/macOS/CmuxSwiftRenderUI/Sources/CmuxSwiftRenderUI/Resources/Localizable.xcstrings	Adds translated zh-Hans entries for three custom sidebar messages.
Usage-description localization Resources/InfoPlist.xcstrings	Adds translated zh-Hans entries for 16 usage-description strings.

Estimated code review effort: 1 (Trivial) | ~3 minutes

Merge Risk: ⚪ Minimal · up to ac6b0

This change adds Simplified Chinese sidebar text and macOS usage descriptions without altering application behavior or permissions. No current merge-blocking risk remains.

Suggested reviewers: austinywang

🚥 Pre-merge checks | ✅ 15

✅ Passed checks (15 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and concisely describes the main change: completing Simplified Chinese localization.
Description check	✅ Passed	The description is detailed and directly related to the localization changes. It explains scope, terminology, verification steps, and pre-existing issues. It does not include the template's Demo Video…
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Cmux Swift Actor Isolation	✅ Passed	PASS: The pull request changes only three .xcstrings localization catalogs. The diff has no .swift paths and no non-.xcstrings patch content. Therefore it introduces no Swift declaration or acce…
Cmux Swift Blocking Runtime	✅ Passed	PASS: The PR changes only three .xcstrings localization resources; the commit diff contains no .swift paths. Structural comparison with the parent shows changes only under zh-Hans in all three c…
Cmux Browser Automation Off-Main	✅ Passed	PASS: The pull request changes only three .xcstrings resource files. The semantic diff shows only zh-Hans localization changes; no Swift source, processV2Command, socketWorkerMethods, worker-r…
Cmux Expensive Synchronous Load	✅ Passed	PASS: The pull-request diff changes only three .xcstrings localization resources. The direct HEAD^..HEAD diff contains no Swift, Objective-C, JSON/JSONL, or other production source changes, and no…
Cmux Cache Substitution Correctness	✅ Passed	PASS: The pull request changes only three .xcstrings localization resources. The diff contains no Swift, TypeScript, or JavaScript production changes, so it cannot replace an authoritative persisten…
Cmux No Hacky Sleeps	✅ Passed	The check is not applicable to this pull request. The diff against origin/main contains only three .xcstrings localization catalogs. No TypeScript, JavaScript, shell, build, or runtime script chan…
Cmux Algorithmic Complexity	✅ Passed	PASS: The diff against origin/main changes only three .xcstrings resource catalogs. No Swift, TypeScript, JavaScript, shell, or other runtime code changed. The added and revised zh-Hans values c…
Cmux Swift Concurrency	✅ Passed	PASS: The PR diff contains only three .xcstrings localization resources. The changed paths are Packages/macOS/CmuxSwiftRenderUI/.../Localizable.xcstrings, Resources/InfoPlist.xcstrings, and `Res…
Cmux Swift @Concurrent	✅ Passed	PASS: The pull request diff contains only three .xcstrings resource files and no .swift files. It introduces no Swift functions, async work, actor-isolation changes, @concurrent annotations, o…
Cmux Swift Package Boundaries	✅ Passed	PASS: The pull request changes only three .xcstrings localization resources. The diff contains no Swift source file or Package.swift change, and therefore introduces no production Swift logic that…

✨ Finishing Touches 💡 1

🛠️ Fix failing CI checks 💡

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[mengyang0007-dev]

I have read the CLA Document v2.2 and I hereby sign the CLA

[teamleaderleo]

Thank you for this! The Simplified Chinese macOS catalog is already complete on main through #12169, so this PR is superseded and I’m closing it :)