fix(centralui): Esc-to-close and aria attributes on ExecutionDetailModal

src/ScadaLink.CentralUI/Components/Audit/ExecutionDetailModal.razor.cs

@@ -1,5 +1,6 @@
 using System.Globalization;
 using Microsoft.AspNetCore.Components;
+using Microsoft.AspNetCore.Components.Web;
 using ScadaLink.CentralUI.Services;
 using ScadaLink.Commons.Entities.Audit;
 using ScadaLink.Commons.Types.Audit;
@@ -112,6 +113,10 @@ public partial class ExecutionDetailModal
 
         try
         {
+            // No CancellationToken is passed deliberately: this is a bounded,
+            // small (~100-row) query for one execution, so the IDisposable/CTS
+            // machinery is not worth it for a modal. The closed → open guard in
+            // OnParametersSetAsync cleanly re-loads on the next open if needed.
             _rows = await AuditLogQueryService.QueryAsync(
                 new AuditLogQueryFilter(ExecutionId: ExecutionId.Value),
                 new AuditLogPaging(PageSize: RowPageSize));
@@ -150,6 +155,19 @@ public partial class ExecutionDetailModal
         }
     }
 
+    /// <summary>
+    /// Closes the modal when Escape is pressed, matching the header X, backdrop
+    /// click, and footer Close affordances. The root <c>.modal</c> div carries
+    /// <c>tabindex="-1"</c> so it can receive the keydown.
+    /// </summary>
+    private async Task HandleKeyDown(KeyboardEventArgs e)
+    {
+        if (e.Key == "Escape")
+        {
+            await HandleClose();
+        }
+    }
+
     /// <summary>First 8 hex digits of the execution id, mirroring the UI's short-id convention.</summary>
     private string ShortExecutionId()
     {