fix(i18n): update Japanese translations

[shuuji3]

🔗 Linked issue

N/A

📚 Description

Updated the Japanese translations just for four new strings.

[vercel]

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Project	Deployment	Actions	Updated (UTC)
npmx.dev	Ready	Preview, Comment	May 31, 2026 4:19pm

2 Skipped Deployments

Project	Deployment	Actions	Updated (UTC)
docs.npmx.dev	Ignored		May 31, 2026 4:19pm
npmx-lunaria	Ignored		May 31, 2026 4:19pm

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

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Run ID: 71d22c88-9191-40af-8403-abcbc36b87b0

📥 Commits

Reviewing files that changed from the base of the PR and between 0a36394 and c0b5f10.

📒 Files selected for processing (1)

• i18n/locales/ja-JP.json

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📝 Walkthrough

Summary by CodeRabbit

• Documentation
  • Expanded Japanese language support with new translations for the downloads section, including version-distribution metrics and weekly download statistics labels.
  • Added Japanese translations for team-related information and role designations in the about section.

Walkthrough

This PR extends Japanese locale translations in i18n/locales/ja-JP.json by adding four new keys: a version distribution weekly downloads title and three team section labels (core, maintainers, and role_core) for describing team member roles on the about page.

Changes

Japanese Locale Translations

Layer / File(s)	Summary
Locale translation keys for version distribution and team sections i18n/locales/ja-JP.json	Adds version_distribution_title for weekly download statistics display and three team-related keys (core, maintainers, role_core) for team member role descriptions on the about page.

Possibly related PRs

• npmx-dev/npmx.dev#2757: Updates Spanish locale with new translation keys across various UI sections, following the same pattern of expanding i18n locale coverage.

Suggested reviewers

• graphieros
• ghostdevv

🚥 Pre-merge checks | ✅ 4

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately describes the changeset as an update to Japanese translations, which matches the actual changes to the i18n/locales/ja-JP.json file.
Description check	✅ Passed	The description is directly related to the changeset, clearly stating that Japanese translations were updated for four new strings, which aligns with the file changes.
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.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch shuuji3/fix/update-japanese

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[github-actions]

Lunaria Status Overview

🌕 This pull request will trigger status changes.

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By default, every PR changing files present in the Lunaria configuration's files property will be considered and trigger status changes accordingly.

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Tracked Files

File	Note
i18n/locales/ja-JP.json	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.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ All tests successful. No failed tests found.

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