fix: dashboard counters refresh after status changes

When a booking status is changed, confirmed, or deleted in any tab,
the dashboard summary cards re-fetch to show updated counts. Previously
the dashboard was stale until page reload.

src/app/admin/bookings/GenericBookingsList.tsx

@@ -14,6 +14,7 @@ interface GenericBookingsListProps<T extends BaseBooking> {
   endpoint: string;
   filter: BookingFilter;
   onItemsChange: (fn: (prev: T[]) => T[]) => void;
+  onDataChange?: () => void;
   groups?: BookingGroup<T>[];
   renderExtra?: (item: T) => React.ReactNode;
   onConfirm?: (id: number) => void;
@@ -24,6 +25,7 @@ export function GenericBookingsList<T extends BaseBooking>({
   endpoint,
   filter,
   onItemsChange,
+  onDataChange,
   groups,
   renderExtra,
   onConfirm,
@@ -47,6 +49,7 @@ export function GenericBookingsList<T extends BaseBooking>({
         body: JSON.stringify({ action: "set-status", id, status }),
       });
       if (!res.ok) throw new Error();
+      onDataChange?.();
     } catch {
       if (prevStatus) onItemsChange((list) => list.map((b) => b.id === id ? { ...b, status: prevStatus } : b));
       showError("Не удалось обновить статус");
@@ -58,6 +61,7 @@ export function GenericBookingsList<T extends BaseBooking>({
       const res = await adminFetch(`${endpoint}?id=${id}`, { method: "DELETE" });
       if (!res.ok) throw new Error();
       onItemsChange((list) => list.filter((b) => b.id !== id));
+      onDataChange?.();
     } catch {
       showError("Не удалось удалить запись");
     }

src/app/admin/bookings/McRegistrationsTab.tsx

@@ -13,7 +13,7 @@ interface McRegistration extends BaseBooking {
 interface McSlot { date: string; startTime: string }
 interface McItem { title: string; slots: McSlot[] }
 
-export function McRegistrationsTab({ filter }: { filter: BookingFilter }) {
+export function McRegistrationsTab({ filter, onDataChange }: { filter: BookingFilter; onDataChange?: () => void }) {
   const [regs, setRegs] = useState<McRegistration[]>([]);
   const [mcDates, setMcDates] = useState<Record<string, string>>({});
   const [loading, setLoading] = useState(true);
@@ -75,6 +75,7 @@ export function McRegistrationsTab({ filter }: { filter: BookingFilter }) {
       endpoint="/api/admin/mc-registrations"
       filter={filter}
       onItemsChange={setRegs}
+      onDataChange={onDataChange}
       groups={groups}
     />
   );

src/app/admin/bookings/OpenDayBookingsTab.tsx

@@ -17,7 +17,7 @@ interface OpenDayBooking extends BaseBooking {
 
 interface EventInfo { id: number; date: string; title?: string }
 
-export function OpenDayBookingsTab({ filter }: { filter: BookingFilter }) {
+export function OpenDayBookingsTab({ filter, onDataChange }: { filter: BookingFilter; onDataChange?: () => void }) {
   const [bookings, setBookings] = useState<OpenDayBooking[]>([]);
   const [events, setEvents] = useState<EventInfo[]>([]);
   const [loading, setLoading] = useState(true);
@@ -81,6 +81,7 @@ export function OpenDayBookingsTab({ filter }: { filter: BookingFilter }) {
       endpoint="/api/admin/open-day/bookings"
       filter={filter}
       onItemsChange={setBookings}
+      onDataChange={onDataChange}
       groups={groups}
     />
   );

src/app/admin/bookings/page.tsx

@@ -230,7 +230,7 @@ function ConfirmModal({
 interface ScheduleClassInfo { type: string; trainer: string; time: string; day: string; hall: string; address: string; groupId?: string }
 interface ScheduleLocation { name: string; address: string; days: { day: string; classes: { time: string; trainer: string; type: string; groupId?: string }[] }[] }
 
-function GroupBookingsTab({ filter }: { filter: BookingFilter }) {
+function GroupBookingsTab({ filter, onDataChange }: { filter: BookingFilter; onDataChange?: () => void }) {
   const [bookings, setBookings] = useState<GroupBooking[]>([]);
   const [allClasses, setAllClasses] = useState<ScheduleClassInfo[]>([]);
   const [loading, setLoading] = useState(true);
@@ -284,6 +284,7 @@ function GroupBookingsTab({ filter }: { filter: BookingFilter }) {
       }) : Promise.resolve(),
     ]);
     setConfirmingId(null);
+    onDataChange?.();
   }
 
   if (loading) return <LoadingSpinner />;
@@ -296,6 +297,7 @@ function GroupBookingsTab({ filter }: { filter: BookingFilter }) {
         endpoint="/api/admin/group-bookings"
         filter={filter}
         onItemsChange={setBookings}
+        onDataChange={onDataChange}
         onConfirm={(id) => setConfirmingId(id)}
         renderExtra={(b) => (
           <>
@@ -700,6 +702,8 @@ function BookingsPageInner() {
   const [searchResults, setSearchResults] = useState<SearchResult[] | null>(null);
   const [statusFilter, setStatusFilter] = useState<BookingFilter>("all");
   const [refreshKey, setRefreshKey] = useState(0);
+  const [dashboardKey, setDashboardKey] = useState(0);
+  const refreshDashboard = useCallback(() => setDashboardKey((k) => k + 1), []);
   const lastTotalRef = useRef<number | null>(null);
   const { showError } = useToast();
 
@@ -814,7 +818,7 @@ function BookingsPageInner() {
       ) : (
         <>
           {/* Dashboard — what needs attention */}
-          <DashboardSummary key={refreshKey} onNavigate={setTab} />
+          <DashboardSummary key={`dash-${dashboardKey}-${refreshKey}`} onNavigate={setTab} />
 
           {/* Tabs */}
           <div className="mt-5 flex border-b border-white/10">
@@ -839,9 +843,9 @@ function BookingsPageInner() {
           {/* Tab content — auto-refreshes when new bookings detected */}
           <div className="mt-4" key={`tab-${refreshKey}`}>
             {tab === "reminders" && <RemindersTab />}
-            {tab === "classes" && <GroupBookingsTab filter={statusFilter} />}
-            {tab === "master-classes" && <McRegistrationsTab filter={statusFilter} />}
-            {tab === "open-day" && <OpenDayBookingsTab filter={statusFilter} />}
+            {tab === "classes" && <GroupBookingsTab filter={statusFilter} onDataChange={refreshDashboard} />}
+            {tab === "master-classes" && <McRegistrationsTab filter={statusFilter} onDataChange={refreshDashboard} />}
+            {tab === "open-day" && <OpenDayBookingsTab filter={statusFilter} onDataChange={refreshDashboard} />}
           </div>
         </>
       )}