* feat: localize 404 page quotes
* 🐛 Fix 404 quote localization: build-time filtering and dub lines
Filter quotes to the page language at build time (case-insensitive,
with base-language and English fallbacks), fixing the double-encoded
language variable that made every locale fall back to English, and
correct several translations to their canonical dub lines.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Co-authored-by: Friday <friday@openclaw.local>
Co-authored-by: Nuno Coração <nunocoracao@gmail.com>
Co-authored-by: Claude Fable 5 <noreply@anthropic.com>