feat: add i18n support to compare page

[wojtekmaj]

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Tracked Files

File	Note
lunaria/files/en-US.json	Source changed, localizations will be marked as outdated.
lunaria/files/pl-PL.json	Localization changed, will be marked as complete. 🔄️

Warnings reference

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🔄️	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.

[Copilot]

Pull request overview

Adds i18n support for the compare page by moving facet labels/descriptions (and some value strings) into locale dictionaries and wiring translation into the compare UI + comparison composable.

Changes:

• Replaced hardcoded facet labels/descriptions with i18n keys (via getFacetLabelKey / getFacetDescriptionKey).
• Added compare facet items + values translations to locale JSON files (en/pl).
• Updated usePackageComparison to accept an i18n translate function for value display strings.

Reviewed changes

Copilot reviewed 10 out of 10 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
test/nuxt/components/compare/FacetSelector.spec.ts	Updates assertions to account for translated facet labels.
shared/types/comparison.ts	Removes hardcoded label/description fields and adds i18n key helpers for facets.
app/pages/compare.vue	Uses i18n for facet labels/descriptions and passes t into usePackageComparison.
app/composables/usePackageComparison.ts	Translates certain computed facet value display strings via injected t.
app/components/compare/FacetSelector.vue	Uses i18n keys for button labels, aria-labels, and descriptions/tooltips.
i18n/locales/en.json	Adds compare facet items and values translation entries.
i18n/locales/en-US.json	Adds compare facet items and values translation entries (currently duplicates en.json).
i18n/locales/pl-PL.json	Adds Polish compare facet items and values translation entries.
lunaria/files/en-US.json	Adds compare facet items and values entries for Lunaria source locale.
lunaria/files/pl-PL.json	Adds Polish compare facet items and values entries for Lunaria.

[trueberryless]

Personally, I think translations should always be done in separate PRs to keep the scope clean. But since it's already here, I don't see a reason to remove them again (just for the future) 😉

[wojtekmaj]

Personally, I think translations should always be done in separate PRs to keep the scope clean. But since it's already here, I don't see a reason to remove them again (just for the future) 😉

I fully get that - I was kind of forced to write at least one translation to be able to even see if I didn't miss anything though! That was a tough one to i18n!

[trueberryless]

I fully get that - I was kind of forced to write at least one translation to be able to even see if I didn't miss anything though! That was a tough one to i18n!

Ah, that's a valid reason actually. Then it's very beneficial to be multilingual 😅 Bravo 👏