fix: MC tab shows 'all archived' instead of misleading filter counts

When all booking groups are archived (e.g. past MC events), the filter
pills no longer show 'Новая 5' etc. Instead shows 'Все записи в архиве'
with archive auto-expanded. Filter counts now exclude archived items.

src/app/admin/bookings/GenericBookingsList.tsx

@@ -113,6 +113,14 @@ export function GenericBookingsList<T extends BaseBooking>({
     const activeGroups = filteredGroups.filter((g) => !g.isArchived);
     const archivedGroups = filteredGroups.filter((g) => g.isArchived);
     const archivedCount = archivedGroups.reduce((sum, g) => sum + g.items.length, 0);
+    const allArchived = activeGroups.length === 0 && archivedCount > 0;
+
+    // Count only active (non-archived) items for filter pills
+    const activeItems = items.filter((item) => {
+      const group = groups.find((g) => g.items.some((gi) => gi.id === item.id));
+      return group && !group.isArchived;
+    });
+    const activeCounts = countStatuses(activeItems);
 
     function renderGroup(group: BookingGroup<T>) {
       const isOpen = expanded[group.key] ?? !group.isArchived;
@@ -158,11 +166,17 @@ export function GenericBookingsList<T extends BaseBooking>({
 
     return (
       <div>
-        <FilterTabs filter={filter} counts={counts} total={items.length} onFilter={setFilter} />
+        {allArchived ? (
+          <p className="text-sm text-neutral-500 py-4">Все записи в архиве</p>
+        ) : (
+          <>
+            <FilterTabs filter={filter} counts={activeCounts} total={activeItems.length} onFilter={setFilter} />
             <div className="mt-3 space-y-2">
               {activeGroups.length === 0 && archivedGroups.length === 0 && <EmptyState total={items.length} />}
               {activeGroups.map(renderGroup)}
             </div>
+          </>
+        )}
         {archivedCount > 0 && (
           <div className="mt-4">
             <button
@@ -170,10 +184,10 @@ export function GenericBookingsList<T extends BaseBooking>({
               className="flex items-center gap-2 text-xs text-neutral-500 hover:text-neutral-300 transition-colors"
             >
               <Archive size={13} />
-              {showArchived ? "Скрыть архив" : `Архив (${archivedCount} записей)`}
+              {(showArchived || allArchived) ? "Скрыть архив" : `Архив (${archivedCount} записей)`}
-              {showArchived ? <ChevronDown size={12} /> : <ChevronRight size={12} />}
+              {(showArchived || allArchived) ? <ChevronDown size={12} /> : <ChevronRight size={12} />}
             </button>
-            {showArchived && (
+            {(showArchived || allArchived) && (
               <div className="mt-2 space-y-2">
                 {archivedGroups.map(renderGroup)}
               </div>