Why: the adoption PR is reviewed and its candidate HEAD passed CI; the card closure is folded into the PR so no separate close PR is needed. Evidence: CI GATE on b3e7da4a11b976007fa5c2874722b15ce5fd28fe; independent Review REPLAY (cursor-agent-stable --mode ask 全新只读会话(fresh_session=true,session id not-observable)闭合重审 VERDICT: APPROVE(对象 b3e7da4)). Impact: task card only (moved to .task/archive/). Refs: https://git-home.u1680832.nyat.app:30319/weichen/Agent-Squad/pulls/54