more otel

pkg/actor/mutation_registry_test.go

@@ -1,6 +1,7 @@
 package actor
 
 import (
+	"context"
 	"errors"
 	"reflect"
 	"slices"
@@ -78,7 +79,7 @@ func TestRegisteredMutationBasics(t *testing.T) {
 	// Apply happy path
 	state := &cartState{}
 	add := &messages.AddItem{ItemId: 42, Quantity: 3, Sku: "ABC"}
-	if _, err := reg.Apply(state, add); err != nil {
+	if _, err := reg.Apply(context.Background(), state, add); err != nil {
 		t.Fatalf("Apply returned error: %v", err)
 	}
 	if state.calls != 1 {
@@ -94,12 +95,12 @@ func TestRegisteredMutationBasics(t *testing.T) {
 	}
 
 	// Apply nil message
-	if _, err := reg.Apply(state, nil); err == nil {
+	if _, err := reg.Apply(context.Background(), state, nil); err == nil {
 		t.Fatalf("expected error for nil mutation message")
 	}
 
 	// Apply unregistered message
-	if _, err := reg.Apply(state, &messages.Noop{}); !errors.Is(err, ErrMutationNotRegistered) {
+	if _, err := reg.Apply(context.Background(), state, &messages.Noop{}); !errors.Is(err, ErrMutationNotRegistered) {
 		t.Fatalf("expected ErrMutationNotRegistered, got %v", err)
 	}
 }