- Translate content to English across messages/en.json, data/en, lib/data/en, and public/exemplos/en - Implement localized routing, slugs, and language negotiation with fallback to en - Build dedicated search index for English with strict book exclusion - Update components and pages to dynamically render localized strings and datasets - Verify full structural parity and exact 1:1 match on Portuguese pages via comparator Co-Authored-By: Antigravity <noreply@google.com>