feat(notification-outbox): additive NotificationId query filter for ?correlationId= deep links

Claude-Session: https://claude.ai/code/session_01NcMG6xXdsJbmD2wYAgkK29

src/ZB.MOM.WW.ScadaBridge.Commons/Types/Notifications/NotificationOutboxFilter.cs

@@ -23,6 +23,10 @@ namespace ZB.MOM.WW.ScadaBridge.Commons.Types.Notifications;
 /// <c>"central-a"</c>, <c>"site-plant-a-node-a"</c>). Exact match; <c>null</c>
 /// means "do not constrain".
 /// </param>
+/// <param name="NotificationId">
+/// Exact match on a single <c>NotificationId</c> — the <c>?correlationId=</c> deep link
+/// from the Flow Debugger / Audit Log. <c>null</c> means "do not constrain".
+/// </param>
 public record NotificationOutboxFilter(
     NotificationStatus? Status = null,
     NotificationType? Type = null,
@@ -33,4 +37,5 @@ public record NotificationOutboxFilter(
     DateTimeOffset? StuckCutoff = null,
     DateTimeOffset? From = null,
     DateTimeOffset? To = null,
-    string? SourceNode = null);
+    string? SourceNode = null,
+    string? NotificationId = null);