fix(stats): pluralize the platform game count and lift meta legibility

[gantoine]

Description

Fixes #4057 — the four Server Stats nits from the issue, all in the v2 PlatformsStatsSection.

1. 1 games → 1 game. settings.platform-count-games was interpolated without a plural choice. It now passes the count as vue-i18n's choice index, and every locale gained the plural forms its existing collection.games-count sibling already uses (including the 4-form Czech rule registered in locales/index.ts; locales without numeral agreement — hu, tr, ja, ko, zh — mirror their sibling's repeated form).

2. The separator dot is now visible. It was a · character at 12px in --r-color-fg-faint (0.25 alpha in dark). It's drawn as a 4px circle in --r-color-fg-muted instead, and carries aria-hidden so screen readers skip it.

3. The size percentage moved off the faint tier to --r-color-fg-muted, same readability complaint.

4. The region +N / - toggle is now an outlined button, matching the region chips it sits next to (surface fill, --r-color-border-strong, hover state). It also picked up title / aria-label ("Show more regions" / "Show fewer regions") and aria-expanded — it previously had no accessible name at all. The collapse glyph is a proper minus sign rather than a hyphen.

5. The coverage tooltip spells out what the number means: IGDB: 159 / 227 → IGDB matches: 159 / 227, via a translated key instead of an inline template literal.

Three new keys (platform-metadata-matches, platform-regions-show-more, platform-regions-show-less) are translated across all 18 locales.

Testing

PlatformsStatsSection.test.ts previously mocked t to echo the key, which cannot exercise plural selection. It now mounts with a real createI18n over the actual en_US/settings.json, plus a new case asserting a one-game platform renders 1 game next to a six-game one rendering 6 games.

Verified with vitest (20 passed), vue-tsc, trunk check, both i18n scripts, npm run build, and a Playwright pass over a preview build against a real library in both dark and light themes — confirming 1 game, the new tooltips, and the outlined toggle in its expanded and collapsed states.

AI assistance disclosure

This change was written with AI assistance (Claude Code / Claude Opus 5). The AI produced the component and locale changes, the added test, and this description; I reviewed them and the verification runs above. The non-English translations were AI-generated following each locale's existing terminology in the same files — native-speaker review is welcome, particularly for the plural forms.

Checklist

• I've tested the changes locally
• I've updated relevant comments
• I've assigned reviewers for this PR
• I've added unit tests that cover the changes

Screenshots (if applicable)

Captured against a real library in both themes; happy to attach on request.

[greptile-apps]

Greptile Summary

This PR improves the v2 platform statistics display by pluralizing game counts, clarifying metadata coverage, increasing visual contrast, and making the region toggle accessible.

• Adds localized plural forms and accessibility labels across all 18 supported locales.
• Replaces faint text separators with visible decorative dots and improves metadata contrast.
• Adds an outlined, named region-expansion control with aria-expanded.
• Uses real vue-i18n messages in the component test and verifies singular and plural English counts.

Confidence Score: 5/5

The PR appears safe to merge, with no concrete blocking or independently actionable non-blocking defects identified.

The component changes consistently use the new translations, preserve existing data behavior, improve accessibility and contrast, and add focused coverage for the corrected English plural rendering.

_{Reviews (1): Last reviewed commit: "fix(stats): pluralize the platform game ..." | Re-trigger Greptile}

[Copilot]

Pull request overview

This PR addresses the UX and i18n nits in the v2 Settings server stats (PlatformsStatsSection), improving correctness of game-count pluralization, readability of metadata/region separators and percentages, and accessibility/clarity of tooltips and the region expand-collapse control.

Changes:

• Updated settings.platform-count-games usage to pass vue-i18n plural choice index, and expanded all locale values to plural-form strings.
• Improved UI legibility by replacing the middot separator glyph with a rendered dot, lifting faint text to a stronger token, and restyling the regions toggle as an outlined button with accessible labeling.
• Added a unit test that mounts with real vue-i18n messages to validate singular vs plural rendering.

Reviewed changes

Copilot reviewed 20 out of 20 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
frontend/src/v2/components/Settings/PlatformsStatsSection.vue	Pluralization fix, clearer tooltip text via i18n key, improved separator rendering, and accessible outlined regions toggle.
frontend/src/v2/components/Settings/PlatformsStatsSection.test.ts	Uses real createI18n messages and adds a singular/plural assertion for game counts.
frontend/src/locales/bg_BG/settings.json	Adds plural forms and new tooltip/toggle strings for platform stats.
frontend/src/locales/cs_CZ/settings.json	Adds plural forms (4-form) and new tooltip/toggle strings for platform stats.
frontend/src/locales/de_DE/settings.json	Adds plural forms and new tooltip/toggle strings for platform stats.
frontend/src/locales/en_GB/settings.json	Adds plural forms and new tooltip/toggle strings for platform stats.
frontend/src/locales/en_US/settings.json	Adds plural forms and new tooltip/toggle strings for platform stats.
frontend/src/locales/es_ES/settings.json	Adds new tooltip/toggle strings for platform stats.
frontend/src/locales/fr_FR/settings.json	Adds plural forms and new tooltip/toggle strings for platform stats.
frontend/src/locales/hu_HU/settings.json	Adds plural forms and new tooltip/toggle strings for platform stats.
frontend/src/locales/it_IT/settings.json	Adds plural forms and new tooltip/toggle strings for platform stats.
frontend/src/locales/ja_JP/settings.json	Adds plural forms and new tooltip/toggle strings for platform stats.
frontend/src/locales/ko_KR/settings.json	Adds plural forms and new tooltip/toggle strings for platform stats.
frontend/src/locales/pl_PL/settings.json	Adds plural forms (3-form) and new tooltip/toggle strings for platform stats.
frontend/src/locales/pt_BR/settings.json	Adds plural forms and new tooltip/toggle strings for platform stats.
frontend/src/locales/ro_RO/settings.json	Adds plural forms and new tooltip/toggle strings for platform stats.
frontend/src/locales/ru_RU/settings.json	Adds plural forms and new tooltip/toggle strings for platform stats.
frontend/src/locales/tr_TR/settings.json	Adds plural forms and new tooltip/toggle strings for platform stats.
frontend/src/locales/zh_CN/settings.json	Adds plural forms and new tooltip/toggle strings for platform stats.
frontend/src/locales/zh_TW/settings.json	Adds plural forms and new tooltip/toggle strings for platform stats.

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