Why: Agent-Squad PR #26 and Backend PR #82 landed; Dev pins must point at those merged component main heads. Evidence: check-pins exit=0. Impact: Two gitlinks. Refs: Agent-Squad PR #26; Agent-System-Backend PR #82
Why: Agent-Squad PR #26 and Backend PR #82 landed; Dev pins must point at those merged component main heads. Evidence: check-pins exit=0. Impact: Two gitlinks. Refs: Agent-Squad PR #26; Agent-System-Backend PR #82