Fix alerts and audit log data normalization (#1010)

src/ui/sidebar/AdminAuditLogSection.tsx

@@ -101,7 +101,7 @@ export function AdminAuditLogSection({
       .catch(() => {});
     fetchLogs(buildFilters(), 1);
     setPage(1);
-  }, [open]);
+  }, [open, buildFilters, fetchLogs]);
 
   useEffect(() => {
     if (!open) return;
@@ -114,6 +114,9 @@ export function AdminAuditLogSection({
       if (debounceRef.current) clearTimeout(debounceRef.current);
     };
   }, [
+    open,
+    buildFilters,
+    fetchLogs,
     filterUserId,
     filterAction,
     filterResourceType,
@@ -179,7 +182,7 @@ export function AdminAuditLogSection({
               onChange={(e) => setFilterUserId(e.target.value)}
             >
               <option value="">{t("admin.auditLogFilterAll")}</option>
-              {users.map((u) => (
+              {(Array.isArray(users) ? users : []).map((u) => (
                 <option key={u.id} value={u.id}>
                   {u.username}
                 </option>
@@ -318,7 +321,7 @@ export function AdminAuditLogSection({
                   <div className="flex flex-col gap-0.5 min-w-0 flex-1">
                     <div className="flex items-center gap-1.5 flex-wrap">
                       <span className="text-[10px] font-semibold text-foreground">
-                        {log.action.replace(/_/g, " ")}
+                        {(log.action || "unknown").replace(/_/g, " ")}
                       </span>
                       <span className="text-[9px] px-1 py-px border border-border text-muted-foreground">
                         {log.resourceType}

src/ui/sidebar/AlertsPanel.tsx

@@ -37,6 +37,7 @@ const SEVERITY_CLASS: Record<string, string> = {
 
 function timeAgo(isoStr: string): string {
   const ms = Date.now() - new Date(isoStr).getTime();
+  if (!Number.isFinite(ms)) return "";
   const sec = Math.floor(ms / 1000);
   if (sec < 60) return `${sec}s ago`;
   const min = Math.floor(sec / 60);
@@ -321,7 +322,7 @@ export function AlertsPanel() {
                       {rule.name}
                     </div>
                     <div className="text-[10px] text-muted-foreground">
-                      {rule.triggerType.replace(/_/g, " ")}
+                      {(rule.triggerType || "").replace(/_/g, " ")}
                     </div>
                   </div>
                   <div