Security recovery: hold sweep, dashboard updates, and admin fixes.

frontend/src/app/admin/events/[id]/_modals/EventModals.tsx

@@ -20,6 +20,7 @@ interface EventModalsProps {
   confirmedCount: number;
   checkedInCount: number;
   cancelledCount: number;
+  onHoldCount: number;
   statusFilter: AttendeeStatusFilter;
   setStatusFilter: (value: AttendeeStatusFilter) => void;
   // mobile filter sheet
@@ -75,6 +76,7 @@ export function EventModals(props: EventModalsProps) {
     confirmedCount,
     checkedInCount,
     cancelledCount,
+    onHoldCount,
     statusFilter,
     setStatusFilter,
     mobileFilterOpen,
@@ -129,6 +131,7 @@ export function EventModals(props: EventModalsProps) {
             { value: 'confirmed', label: `Confirmed (${confirmedCount})` },
             { value: 'checked_in', label: `Checked In (${checkedInCount})` },
             { value: 'cancelled', label: `Cancelled (${cancelledCount})` },
+            { value: 'on_hold', label: `On Hold (${onHoldCount})` },
           ].map((option) => (
             <button
               key={option.value}