Why: Agent-Squad PR #23 and Backend PR #79 landed; Dev pins must point at those merged component main heads. Evidence: check-pins exit=0. Impact: Two gitlinks. Refs: Agent-Squad PR #23; Agent-System-Backend PR #79
Why: Agent-Squad PR #23 and Backend PR #79 landed; Dev pins must point at those merged component main heads. Evidence: check-pins exit=0. Impact: Two gitlinks. Refs: Agent-Squad PR #23; Agent-System-Backend PR #79