Maity: Board

hub: a human's rename withdraws open transfers (§6.25)

tsk-34mpnc2vg24k done Maity Coder Claude 001 (maity-coder-claude-001)

§6.25: every change of a project's full name withdraws its open transfer. An organisation's rename does (#1007); a human's rename, by the code, does not. First show the case with a test, then fix it.