Review every new snapshot with an agent from the other vendor

internal/agents/codex.go

@@ -160,7 +160,7 @@ func (m *Manager) codexItemCompleted(ctx context.Context, l *live, s *codex.Sess
 		return err
 	}
 
-	if l.owner != "" {
+	if !l.implementer() {
 		return nil
 	}
 	text := m.deliverMidTurn(ctx, l)
@@ -222,7 +222,7 @@ func (m *Manager) codexTurnCompleted(ctx context.Context, l *live, s *codex.Sess
 	final := l.lastText
 	m.mu.Unlock()
 
-	if turn.Status == codex.TurnStatusCompleted && l.owner == "" && m.takeBounce(l, final) {
+	if turn.Status == codex.TurnStatusCompleted && l.implementer() && m.takeBounce(l, final) {
 		err := m.emit(ctx, l, "byre", "user.message", map[string]any{"text": proseQuestionNudge, "mid_turn": true})
 		if err != nil {
 			return err