WinterCMS research

docs/research/wintercms/quotifypro-15-i18n-locale-detection/15-02-SUMMARY.md

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+---
+phase: 15-locale-detection-routing
+plan: 02
+subsystem: ui
+tags: [i18n, locale, hreflang, SEO, accessibility]
+
+# Dependency graph
+requires:
+  - phase: 15-01
+    provides: LocalePicker component with manual selection cookie handling
+provides:
+  - Language switcher dropdown UI partial
+  - Header integration with language switcher
+  - hreflang tags for SEO across all layouts
+affects: [16-browser-detection, 17-locale-testing]
+
+# Tech tracking
+tech-stack:
+  added: []
+  patterns:
+    - Accessible dropdown with ARIA attributes
+    - CSS-only dropdown animation (opacity/visibility/transform)
+    - Mobile-responsive icon-only switcher
+
+key-files:
+  created:
+    - themes/quotify/partials/language-switcher.htm
+    - themes/quotify/assets/css/components/language-switcher.css
+  modified:
+    - themes/quotify/partials/header.htm
+    - themes/quotify/layouts/default.htm
+    - themes/quotify/layouts/dashboard.htm
+    - themes/quotify/layouts/empty.htm
+    - themes/quotify/assets/css/app.css
+    - themes/quotify/assets/css/layout.css
+
+key-decisions:
+  - "Native language names in switcher (Polski, Deutsch, English)"
+  - "Icon-only switcher on mobile (globe icon via SVG data URI)"
+  - "hreflang tags in head before favicon for SEO priority"
+
+patterns-established:
+  - "Language switcher uses data-request to localePicker::onSwitchLocale"
+  - "Components directory for modular CSS (components/language-switcher.css)"
+  - "header-actions wrapper for header utilities"
+
+# Metrics
+duration: 2min
+completed: 2026-02-02
+---
+
+# Phase 15 Plan 02: Language Switcher UI Summary
+
+**Accessible language switcher dropdown in header with hreflang SEO tags across all layouts**
+
+## Performance
+
+- **Duration:** 2 min
+- **Started:** 2026-02-02T01:05:47Z
+- **Completed:** 2026-02-02T01:07:48Z
+- **Tasks:** 3
+- **Files modified:** 8
+
+## Accomplishments
+- Created language switcher partial with accessible dropdown (ARIA attributes, keyboard navigation)
+- Integrated switcher into site header with responsive styling
+- Added localePicker and alternateHrefLangElements components to all layouts
+- hreflang tags now output in head section for SEO
+
+## Task Commits
+
+Each task was committed atomically:
+
+1. **Task 1: Create language switcher partial and CSS** - `2e045dd` (feat)
+2. **Task 2: Integrate language switcher into header** - `ec454b5` (feat)
+3. **Task 3: Register components and add hreflang to layouts** - `0a07da8` (feat)
+
+## Files Created/Modified
+- `themes/quotify/partials/language-switcher.htm` - Dropdown UI with locale options
+- `themes/quotify/assets/css/components/language-switcher.css` - Responsive dropdown styles
+- `themes/quotify/assets/css/app.css` - Import for language-switcher CSS
+- `themes/quotify/assets/css/layout.css` - header-actions positioning styles
+- `themes/quotify/partials/header.htm` - Language switcher integration
+- `themes/quotify/layouts/default.htm` - localePicker + hreflang
+- `themes/quotify/layouts/dashboard.htm` - localePicker + hreflang
+- `themes/quotify/layouts/empty.htm` - localePicker + hreflang
+
+## Decisions Made
+- **Native language names:** Display "Polski", "Deutsch", "English" (not English translations)
+- **Mobile icon:** Globe SVG as data URI in CSS for icon-only mobile display
+- **hreflang placement:** Before favicon in head section for SEO priority
+
+## Deviations from Plan
+None - plan executed exactly as written.
+
+## Issues Encountered
+None.
+
+## User Setup Required
+None - no external service configuration required.
+
+## Next Phase Readiness
+- Language switcher fully functional with all three locales
+- Clicking any language triggers localePicker::onSwitchLocale which sets cookie and redirects
+- hreflang tags enable search engines to index all language versions
+- Ready for Phase 16 (Browser Detection) or Phase 17 (Locale Testing)
+
+---
+*Phase: 15-locale-detection-routing*
+*Completed: 2026-02-02*