fix(ui): drop stale-site poll results on Alarm Summary site switch (plan R2-07 T7)

2026-07-13 10:55:25 -04:00
parent 1fcfa4fb16
commit d33337a834
2 changed files with 43 additions and 0 deletions
@@ -291,6 +291,13 @@
        try
        {
            var result = await AlarmSummaryService.GetSiteAlarmsAsync(siteId);
+            // Stale-site guard (arch-review R2 N4): the operator may have switched sites
+            // while this fan-out was in flight — drop the result rather than labeling
+            // site A's alarms under site B's picker. Mirrors OnLiveAlarmsChanged (:374).
+            if (_selectedSiteId != siteId)
+            {
+                return;
+            }
            _rows = result.Alarms;
            _notReporting = result.NotReportingInstances;
            _rollup = AlarmSummaryService.ComputeRollup(_rows);