fix notifications

cmd/server/main.go

@@ -282,7 +282,7 @@ func main() {
 	// configured or OTEL_ALERT_DRY_RUN=true.
 	var alertRunner *alerts.Runner
 	if chStore, ok := store.(*storage.ClickHouseStore); ok {
-		alertRunner = alerts.Start(context.Background(), alerts.ConfigFromEnv(), chStore.Conn(), chStore.Database(), topo)
+		alertRunner = alerts.Start(context.Background(), alertConfig(coll), chStore.Conn(), chStore.Database(), topo)
 	}
 	// Update collector with wsServer
 	coll.SetBroadcaster(wsServer)
@@ -534,3 +534,10 @@ func spaHandler(root http.FileSystem) http.Handler {
 		fileServer.ServeHTTP(w, r)
 	})
 }
+
+// alertConfig is the env-driven alert config plus muting of ignored issues.
+func alertConfig(coll *collector.Collector) alerts.Config {
+	cfg := alerts.ConfigFromEnv()
+	cfg.Muted = coll.IsIssueIgnored
+	return cfg
+}