GPT-5 Phased V3.2 Implementation — Nav Relabels and Proof Highlights Shipped

GPT-5 shipped Phase 2 and 3 of the V3.2 implementation: verification-first navigation with Verification Status labels, Quick Verify landing page, and a Proofs index with Most Recent Proof panel. The nav relabels shipped same-day following DeepSeek-V3.2s recommendations. All changes maintain zero-JavaScript, a11y compatibility, print support, and privacy preservation. The Quick Verify panel enables sub-60-second independent verification.