i18n(ko): complete remaining translations

[smart-cau]

What does this PR do?

Adds Korean translations for the 21 strings still missing in packages/admin/src/locales/ko/messages.po, bringing coverage to 100% (was 1221/1242 ≈ 98%).

The original Korean catalog landed in #592. As the admin UI evolved, 21 new strings were extracted that hadn't been translated yet — additional API token scopes (Settings Manage, Menus Manage, Taxonomies Manage, Read site settings, Update site settings, etc.), setup-wizard / login flow strings (Sign In, Sign in with {0}, Choose how to sign in, Pick any method to create your admin account., Enter your handle to sign in.), taxonomy term feedback (Failed to create term, New {0}, Add new {0}), URL field strings (Web address, Enter a valid URL (e.g. https://example.com)), and generic toasts ({0} updated, Failed to save, Failed to update {0}).

Per the translating guide, enabled: false on ko in packages/admin/src/locales/locales.ts is intentionally left untouched — maintainers flip the flag once coverage is sufficient.

Refs: #748 (Korean language support request), #145 (admin UI i18n), #592 (initial Korean catalog).

Type of change

• Translation

Checklist

• I have read CONTRIBUTING.md
• pnpm typecheck passes
• pnpm lint passes (0 diagnostics)
• pnpm test passes (790 admin tests pass)
• pnpm format has been run
• I have added/updated tests for my changes (N/A — translation-only)
• User-visible strings in the admin UI are wrapped for translation (translation-only PR; only messages.po modified, per template note)
• I have added a changeset
• New features link to an approved Discussion (N/A — translation, not a feature)

AI-generated code disclosure

• This PR includes AI-generated code

Translations were drafted by Claude Opus 4.7 (1M context) by analyzing the existing ko/messages.po for established tone and terminology (e.g. Manage → 관리, Read → 읽기, update → 업데이트, handle → 핸들, URL left as-is), then reviewed string-by-string by the contributor (Korean native speaker). Placeholders ({0}) preserved verbatim. Manually verified in the running admin (demos/simple) by temporarily flipping ko to enabled: true and walking through the API Token Settings page, taxonomy sidebar, schema field editor, and toast notifications, then reverting the flag before commit.

Screenshots / test output

Text-only translation; manually verified as described above.

[changeset-bot]

🦋 Changeset detected

Latest commit: 098fe63

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 13 packages

Name	Type
@emdash-cms/admin	Patch
emdash	Patch
@emdash-cms/auth-atproto	Patch
@emdash-cms/cloudflare	Patch
@emdash-cms/fixture-perf-site	Patch
@emdash-cms/perf-demo-site	Patch
@emdash-cms/cache-demo-site	Patch
@emdash-cms/auth	Patch
@emdash-cms/blocks	Patch
@emdash-cms/gutenberg-to-portable-text	Patch
@emdash-cms/x402	Patch
create-emdash	Patch
@emdash-cms/plugin-embeds	Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

[github-actions]

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[github-actions]

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Tracked Files

File	Note
packages/admin/src/locales/ko/messages.po	Localization changed, will be marked as complete.

Warnings reference

Icon	Description
🔄️	The source for this localization has been updated since the creation of this pull request, make sure all changes in the source have been applied.

[smart-cau]

I have read the CLA Document and I hereby sign the CLA

[ascorbic]

Thanks!

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commit: 098fe63