feat: align legacy operator and playout behavior

tests/MBN_STOCK_WEBVIEW.LegacyApplication.Tests/NamedPlaylist/LegacyNamedPlaylistOperatorIntegrationTests.cs

@@ -89,6 +89,9 @@ public sealed class LegacyNamedPlaylistOperatorIntegrationTests
         Assert.Equal("005930", row.StockCode);
         Assert.Equal("5001", row.SceneAlias);
         Assert.Equal("코스피", row.PlayoutSelection?.GroupCode);
+        Assert.True(row.IsActive);
+        Assert.False(row.IsSelected);
+        Assert.Equal(0, controller.CreatePlayoutRequest().SelectedIndexZeroBased);
     }
 
     [Fact]
@@ -156,6 +159,45 @@ public sealed class LegacyNamedPlaylistOperatorIntegrationTests
             saved.NamedPlaylist?.LastMutationOutcome);
     }
 
+    [Fact]
+    public async Task NamedPlaylistIdentityDoesNotChangeWhenMovingAveragesChange()
+    {
+        var persistence = new OperatorNamedPlaylistPersistence([]);
+        var controller = CreateController(persistence);
+        controller.SelectTab(LegacyOperatorTabId.Index);
+        var candle = LegacyFixedActionCatalog.Default
+            .GetActions(LegacyFixedMarket.Index)
+            .First(action => action.SupportsMovingAverages);
+        controller.SetMovingAverages(ma5: false, ma20: false);
+        var added = controller.ActivateFixedAction(candle.Id);
+        var raw = Assert.Single(added.Playlist);
+        Assert.Equal(string.Empty, raw.PlayoutSelection!.GraphicType);
+
+        controller.SetMovingAverages(ma5: true, ma20: false);
+        Assert.Equal(
+            "MA5",
+            Assert.Single(controller.CreatePlayoutRequest().Playlist).Selection!.GraphicType);
+        var listed = await controller.RefreshNamedPlaylistsAsync();
+        controller.SelectNamedPlaylist(
+            Assert.Single(listed.NamedPlaylist!.Definitions).DefinitionId);
+        await controller.SaveCurrentNamedPlaylistAsync();
+        var firstStored = Assert.Single(persistence.LastReplaceItems!).Selection;
+
+        controller.SetMovingAverages(ma5: false, ma20: true);
+        Assert.Equal(
+            "MA20",
+            Assert.Single(controller.CreatePlayoutRequest().Playlist).Selection!.GraphicType);
+        await controller.SaveCurrentNamedPlaylistAsync();
+        var secondStored = Assert.Single(persistence.LastReplaceItems!).Selection;
+
+        Assert.Equal(firstStored, secondStored);
+        Assert.Equal(raw.GraphicType, secondStored.GraphicType);
+        Assert.DoesNotContain("MA5", secondStored.GraphicType, StringComparison.Ordinal);
+        Assert.DoesNotContain("MA20", secondStored.GraphicType, StringComparison.Ordinal);
+        Assert.Equal(string.Empty,
+            Assert.Single(controller.Current.Playlist).PlayoutSelection!.GraphicType);
+    }
+
     [Fact]
     public async Task Save_to_opaque_id_selects_and_writes_once_in_one_native_command()
     {