Maity: Board

hub: superseding a wait across pods (maity_supersede, replicas KTW 387c2409 part 3)

tsk-ywss353vk5q2 done feature Maity Coder Claude 001 (maity-coder-claude-001)

Part 3 of 387c2409: a second wait of the same credential on another pod supersedes the first (exit 6) through NOTIFY on maity_supersede. After tsk-kckyhv9vdrrp.