Localisation for core languages#419

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01painadam wants to merge 32 commits intodevelopfrom

Commits on Jan 19, 2026

Merge pull request #399 from wri/develop
kamicut
authored

Commits on Jan 29, 2026

Merge pull request #407 from wri/develop
kamicut
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Commits on Feb 5, 2026

Merge pull request #413 from wri/develop
kamicut
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Commits on Feb 22, 2026

chore: add PRD files to gitignore
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chore: install next-intl
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feat(i18n): add i18n config, English locale files, and message loader
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feat(i18n): port language infrastructure from language-accessibility
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feat(i18n): add I18nProvider with reactive locale loading
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feat(i18n): migrate ContextButton to useChatContextOptions hook
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feat(i18n): migrate ChatInput strings to useTranslations
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feat(i18n): migrate ChatPanelHeader strings to useTranslations
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feat(i18n): migrate PageHeader strings + add LanguageSelector to header
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feat(i18n): migrate sidebar strings to useTranslations
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feat(i18n): Phase 3 - migrate all chat components to useTranslations
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feat(i18n): Phase 4 - migrate onboarding form and dashboard settings
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feat(i18n): Phase 5 - migrate error/status pages (not-found, maintenance, unauthorized)
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feat(i18n): Phase 6 - migrate landing page components (GlobalHeader + 10 sections)
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feat(i18n): Phase 7 - create 28 non-English locale files (en copies for fr/es/pt/id)
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feat(i18n): enhance LanguageSelector with section label, 'Other Languages' option + toast
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fix(i18n): add timeZone='UTC' to NextIntlClientProvider to suppress ENVIRONMENT_FALLBACK warning
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fix(i18n): persist header language selection to user profile API
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Revert "fix(i18n): persist header language selection to user profile API"
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fix(i18n): fix LanguageSelector dropdown text visibility
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feat(i18n): add real translations for fr/es/pt/id (excluding landing)
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docs: add i18n translation verification guide
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feat(i18n): translate preview disclaimer banner + update verification doc
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style(i18n): swap to TranslateIcon and fix header spacing
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Add AI translation disclaimer to language selector dropdown

01painadam
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claude
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