feat: restore legacy drag events and Tornado launch integration

src/MBN_STOCK_WEBVIEW.LegacyParityApp/MainWindow.xaml.cs

@@ -378,6 +378,7 @@ public sealed partial class MainWindow : Window
                      LegacySearchOperatorCatalogStocksIntent or
                      LegacyActivateOperatorCatalogStockIntent or
                      LegacySetOperatorCatalogDraftBuyAmountIntent or
+                    LegacyCheckOperatorCatalogThemeNameIntent or
                     LegacySaveOperatorCatalogIntent or
                     LegacyDeleteOperatorCatalogIntent or
                     LegacyAddComparisonPairIntent or
@@ -481,6 +482,11 @@ public sealed partial class MainWindow : Window
                     selection.Shift),
             LegacyMoveSelectedPlaylistRowsIntent move =>
                 _controller.MoveSelectedPlaylistRows(move.Direction),
+            LegacyReorderPlaylistRowsIntent reorder =>
+                _controller.ReorderPlaylistRows(
+                    reorder.SourceRowId,
+                    reorder.TargetRowId,
+                    reorder.Position),
             LegacyDeleteSelectedPlaylistRowsIntent =>
                 _controller.DeleteSelectedPlaylistRows(),
             LegacyDeleteAllPlaylistRowsIntent =>
@@ -496,6 +502,13 @@ public sealed partial class MainWindow : Window
                     tabs.Source,
                     tabs.Target,
                     cancellationToken),
+            LegacyHoverSwapTabsIntent tabs =>
+                await _controller.SwapTabsAtExpectedPositionsAsync(
+                    tabs.Source,
+                    tabs.Target,
+                    tabs.ExpectedSourceIndex,
+                    tabs.ExpectedTargetIndex,
+                    cancellationToken),
             LegacySetMovingAveragesIntent movingAverages =>
                 _controller.SetMovingAverages(movingAverages.Ma5, movingAverages.Ma20),
             LegacyActivateFixedActionIntent action =>
@@ -656,12 +669,21 @@ public sealed partial class MainWindow : Window
                     activation.BuyAmount),
             LegacyMoveOperatorCatalogDraftRowIntent move =>
                 _controller.MoveOperatorCatalogDraftRow(move.RowId, move.Direction),
+            LegacyReorderOperatorCatalogDraftRowIntent reorder =>
+                _controller.ReorderOperatorCatalogDraftRow(
+                    reorder.SourceRowId,
+                    reorder.TargetRowId,
+                    reorder.Position),
             LegacyRemoveOperatorCatalogDraftRowIntent remove =>
                 _controller.RemoveOperatorCatalogDraftRow(remove.RowId),
             LegacySetOperatorCatalogDraftBuyAmountIntent amount =>
                 _controller.SetOperatorCatalogDraftBuyAmount(
                     amount.RowId,
                     amount.BuyAmount),
+            LegacyCheckOperatorCatalogThemeNameIntent check =>
+                await _controller.CheckOperatorCatalogThemeNameAsync(
+                    check.Name,
+                    cancellationToken),
             LegacySaveOperatorCatalogIntent save =>
                 await _controller.SaveOperatorCatalogAsync(
                     save.Name,
@@ -869,6 +891,12 @@ public sealed partial class MainWindow : Window
 
         public bool CanMutate => false;
 
+        public Task<bool> ThemeNameExistsAsync(
+            ThemeMarket market,
+            string themeTitle,
+            CancellationToken cancellationToken = default) =>
+            Task.FromException<bool>(new InvalidOperationException(_message));
+
         public Task<string> SuggestNextCodeAsync(
             ThemeMarket market,
             CancellationToken cancellationToken = default) =>