The prior 4-card validation (@Whamp #446) was on the OLD int8-PTH KV. #595 flips to fp8/e4m3; the fp8 config is validated on the 2-card dual-max proxy (all gates green) but not yet re-confirmed at TP=4. Request a fresh 4-card report before upgrading ⚠️ caveats -> ✅. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01EfF565T9eSLaqGzidyJ1Pm