feat: advance legacy UI behavior parity

tests/MBN_STOCK_WEBVIEW.LegacyApplication.Tests/LegacyOverseasOperatorControllerTests.cs

@@ -32,10 +32,10 @@ public sealed class LegacyOverseasOperatorControllerTests
             entry.Selection);
 
         Assert.Equal("legacy-overseas-00000001", row.RowId);
-        Assert.Equal("FOREIGN_INDEX", row.MarketText);
-        Assert.Equal("나스닥 캔들 20일", row.StockName);
+        Assert.Equal("해외지수", row.MarketText);
+        Assert.Equal("나스닥", row.StockName);
         Assert.Equal("캔들그래프", row.GraphicType);
-        Assert.Equal("PRICE", row.Subtype);
+        Assert.Equal("20일", row.Subtype);
         Assert.Equal("1/1", row.PageText);
         Assert.Equal("8040", entry.CutCode);
         Assert.Equal("FOREIGN_INDEX", selection.GroupCode);
@@ -86,6 +86,32 @@ public sealed class LegacyOverseasOperatorControllerTests
             controller.CreatePlayoutRequest().Playlist[1].Selection!.GraphicType);
     }
 
+    [Fact]
+    public async Task NonUsStockKeepsOneExactIdentityThroughBothActualUc5SceneAliases()
+    {
+        var controller = CreateController(
+            stocks: [new("London Stock", "LNS@LON", "GB")]);
+        controller.SelectTab(LegacyOperatorTabId.OverseasStocks);
+
+        // UC5's first inserted result is immediately the active RowMode row.
+        var searched = await controller.SearchOverseasStocksAsync("london");
+        Assert.Equal("London Stock", searched.Overseas!.Stock.Selected?.InputName);
+
+        var oneColumn = controller.ActivateOverseasAction("stock-current");
+        var candle = controller.ActivateOverseasAction("stock-candle-5d");
+        var rows = candle.Playlist;
+
+        Assert.Equal("5001", rows[0].ToPlayoutEntry().CutCode);
+        Assert.Equal("8061", rows[1].ToPlayoutEntry().CutCode);
+        Assert.All(rows, row =>
+        {
+            Assert.Equal("FOREIGN_STOCK", row.PlayoutSelection?.GroupCode);
+            Assert.Equal("London Stock", row.PlayoutSelection?.Subject);
+            Assert.Equal("LNS@LON|GB|1", row.PlayoutSelection?.DataCode);
+        });
+        Assert.Single(oneColumn.Playlist);
+    }
+
     [Fact]
     public async Task OverseasActionsRejectInactiveTabAndStaleSearchIds()
     {
@@ -103,7 +129,7 @@ public sealed class LegacyOverseasOperatorControllerTests
 
         var stale = controller.SelectOverseasIndustry(staleId);
         Assert.Equal(LegacyOperatorStatusKind.Error, stale.StatusKind);
-        Assert.Null(stale.Overseas!.Industry.Selected);
+        Assert.Equal("반도체", stale.Overseas!.Industry.Selected?.KoreanName);
     }
 
     private static LegacyOperatorController CreateController(
@@ -147,11 +173,11 @@ public sealed class LegacyOverseasOperatorControllerTests
     }
 
     private sealed class StaticStockService(
-        IReadOnlyList<WorldStockSearchItem> items) : IWorldStockSearchService
+        IReadOnlyList<WorldStockSearchItem> items) : IOverseasStockSearchService
     {
         public Task<WorldStockSearchResult> SearchAsync(
             string query,
-            int maximumResults = LegacyWorldStockSearchService.DefaultMaximumResults,
+            int maximumResults = LegacyOverseasStockSearchService.DefaultMaximumResults,
             CancellationToken cancellationToken = default)
         {
             cancellationToken.ThrowIfCancellationRequested();