Login and Register heading strings moved from hardcoded Chinese to auth.puroLoginTitle / puroLoginSub / puroRegisterTitle / puroRegisterSub. Landing (LandingView) and Docs (DocsView) intentionally keep hardcoded Chinese this cycle (see spec §6 note 5 — English version deferred). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>