- pagerite/i18n.py: parse_accept_language, select_language, Translation struct,
get_translation/available_languages stubs
- app.py: language threaded through show_page/_render_html/_cached_body,
ETag and Vary: accept-language
- views.py: <html lang>, translated nav titles with fallback, canonical
with ?lang=, hreflang alternates
- pagerite.js: strip ?lang= via replaceState, send it as Accept-Language
on fetch-navigation/preloads, lang-aware page cache
- docs/localization.md: negotiation + URL scheme + phase-2 fragment model
- docs/migrate.md: migrate_v3 content-addressed chunk storage plan
LeoVasanko