better

cmd/cart/mutation_remove_delivery.go

@@ -25,29 +25,24 @@ import (
 // Future considerations:
 //   - If delivery pricing logic changes (e.g., dynamic taxes per delivery),
 //     UpdateTotals() may need enhancement to incorporate delivery tax properly.
-func init() {
-	RegisterMutation[messages.RemoveDelivery](
-		"RemoveDelivery",
-		func(g *CartGrain, m *messages.RemoveDelivery) error {
-			if m == nil {
-				return fmt.Errorf("RemoveDelivery: nil payload")
-			}
-			targetID := int(m.Id)
-			index := -1
-			for i, d := range g.Deliveries {
-				if d.Id == targetID {
-					index = i
-					break
-				}
-			}
-			if index == -1 {
-				return fmt.Errorf("RemoveDelivery: delivery id %d not found", m.Id)
-			}
 
-			// Remove delivery (order not preserved beyond necessity)
-			g.Deliveries = append(g.Deliveries[:index], g.Deliveries[index+1:]...)
-			return nil
-		},
-		WithTotals(),
-	)
+func RemoveDelivery(g *CartGrain, m *messages.RemoveDelivery) error {
+	if m == nil {
+		return fmt.Errorf("RemoveDelivery: nil payload")
+	}
+	targetID := int(m.Id)
+	index := -1
+	for i, d := range g.Deliveries {
+		if d.Id == targetID {
+			index = i
+			break
+		}
+	}
+	if index == -1 {
+		return fmt.Errorf("RemoveDelivery: delivery id %d not found", m.Id)
+	}
+
+	// Remove delivery (order not preserved beyond necessity)
+	g.Deliveries = append(g.Deliveries[:index], g.Deliveries[index+1:]...)
+	return nil
 }