Step 30 was stopped minutes in; its partial diff is not applied. Final standing on the
owner's machine, same session, 0xFFFF: CPU route 1.04-1.12 s; GPU cached 1.18-1.21 s
(step 27 routing) and 1.29-1.37 s (step 29). Next: bring the Core library into Unreal.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01MmSoF64BbRFmk9C3p1VsBJ