Seam audit: 0 mismatches over 16 seeds (99,269 pairs, 121.6M shared samples),
injected control detected. Step-2 overlap/turn failures remain. Mainline has the
same dispatch structure (not changed).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_011g9Ez42ZNqQGjigc4FWDih