Add a pause that holds an agent after its current step

internal/agents/codex.go

@@ -11,6 +11,7 @@ import (
 
 	"g.fc.run/ai/byre/internal/api"
 	"g.fc.run/ai/byre/internal/codex"
+	"g.fc.run/ai/byre/internal/hookcmd"
 )
 
 var codexToolItems = map[string]bool{
@@ -181,15 +182,20 @@ func (m *Manager) codexItemCompleted(ctx context.Context, l *live, s *codex.Sess
 	if l.reviewID != "" {
 		return nil
 	}
+	m.steerMidTurn(ctx, l, s)
+	return nil
+}
+
+func (m *Manager) steerMidTurn(ctx context.Context, l *live, s *codex.Session) {
 	mt := m.deliverMidTurn(ctx, l)
 	if mt.text == "" {
-		return nil
+		return
 	}
 	reply, err := s.Steer(mt.text)
 	if err != nil {
 		slog.Error("steer mid-turn delivery", "session", l.id, "err", err)
 		m.restoreMidTurn(ctx, l, mt)
-		return nil
+		return
 	}
 	go func() {
 		ctx := context.Background()
@@ -199,7 +205,15 @@ func (m *Manager) codexItemCompleted(ctx context.Context, l *live, s *codex.Sess
 			m.restoreMidTurn(ctx, l, mt)
 		}
 	}()
-	return nil
+}
+
+func (m *Manager) codexAfterTool(l *live) hookcmd.Func {
+	return func(ctx context.Context, input json.RawMessage) (map[string]any, error) {
+		if m.holdWhilePaused(ctx, l) && ctx.Err() == nil {
+			m.steerMidTurn(context.WithoutCancel(ctx), l, l.sess.(codexProcess).s)
+		}
+		return map[string]any{}, nil
+	}
 }
 
 func imageAlt(prompt string) string {