Harden tables selection interactions

src/RolemasterDb.App/Components/Pages/Tables.razor

@@ -677,18 +677,21 @@
     private Task UpdateReferenceModeAsync(string mode)
     {
         referenceMode = NormalizeMode(mode);
+        NormalizeSelectedCellForCurrentView();
         return Task.CompletedTask;
     }
 
     private Task UpdateSelectedGroupAsync(string groupKey)
     {
         selectedGroupKey = NormalizeOptionalFilter(groupKey);
+        NormalizeSelectedCellForCurrentView();
         return Task.CompletedTask;
     }
 
     private Task UpdateSelectedColumnAsync(string columnKey)
     {
         selectedColumnKey = NormalizeOptionalFilter(columnKey);
+        NormalizeSelectedCellForCurrentView();
         return Task.CompletedTask;
     }
 
@@ -768,6 +771,8 @@
         {
             selectedCell = null;
         }
+
+        NormalizeSelectedCellForCurrentView();
     }
 
     private static string NormalizeMode(string? mode) =>
@@ -796,4 +801,40 @@
         var digitsOnly = new string(value.Where(char.IsDigit).ToArray());
         return digitsOnly.Length == 0 ? string.Empty : digitsOnly;
     }
+
+    private void NormalizeSelectedCellForCurrentView()
+    {
+        if (selectedCell is null || tableDetail is null)
+        {
+            return;
+        }
+
+        var cell = tableDetail.Cells.FirstOrDefault(item => item.ResultId == selectedCell.ResultId);
+        if (cell is null || !MatchesCurrentView(cell))
+        {
+            selectedCell = null;
+        }
+    }
+
+    private bool MatchesCurrentView(CriticalTableCellDetail cell)
+    {
+        if (!string.IsNullOrWhiteSpace(selectedGroupKey) &&
+            !string.Equals(cell.GroupKey, selectedGroupKey, StringComparison.OrdinalIgnoreCase))
+        {
+            return false;
+        }
+
+        if (!string.IsNullOrWhiteSpace(selectedColumnKey) &&
+            !string.Equals(cell.ColumnKey, selectedColumnKey, StringComparison.OrdinalIgnoreCase))
+        {
+            return false;
+        }
+
+        return referenceMode switch
+        {
+            TablesReferenceMode.NeedsCuration => !cell.IsCurated,
+            TablesReferenceMode.Curated => cell.IsCurated,
+            _ => true
+        };
+    }
 }