feat(tickets): add summary cards above ticket list

src/app/(modules)/ticket/components/TicketSummaryCards.tsx

@@ -0,0 +1,138 @@
+import {
+  CalendarClock,
+  CircleCheck,
+  ClipboardCheck,
+  ListChecks,
+  Ticket,
+  TriangleAlert,
+  type LucideIcon,
+} from 'lucide-react';
+
+import { Card, CardContent } from '@/components/ui/card';
+import { Skeleton } from '@/components/ui/skeleton';
+import type { TicketSummaryResponse } from '@/types';
+
+interface TicketSummaryCardsProps {
+  summary?: TicketSummaryResponse;
+  isLoading: boolean;
+  isError: boolean;
+}
+
+interface SummaryMetric {
+  label: string;
+  value: number;
+  icon: LucideIcon;
+  iconClassName: string;
+}
+
+function SummaryCard({ metric }: { metric: SummaryMetric }) {
+  const Icon = metric.icon;
+
+  return (
+    <Card size="sm" className="py-4">
+      <CardContent className="flex items-start justify-between gap-3 px-4">
+        <div className="min-w-0">
+          <p className="text-2xl font-semibold tracking-tight tabular-nums">
+            {metric.value.toLocaleString()}
+          </p>
+          <p className="mt-1 truncate text-xs font-medium text-muted-foreground">
+            {metric.label}
+          </p>
+        </div>
+        <div className={`rounded-lg p-2 ${metric.iconClassName}`}>
+          <Icon className="size-4" aria-hidden="true" />
+        </div>
+      </CardContent>
+    </Card>
+  );
+}
+
+function TicketSummarySkeleton() {
+  return (
+    <div
+      className="grid grid-cols-2 gap-3 lg:grid-cols-3 xl:grid-cols-5"
+      aria-label="Loading ticket summary"
+    >
+      {Array.from({ length: 5 }, (_, index) => (
+        <Card key={index} size="sm" className="py-4">
+          <CardContent className="flex items-start justify-between gap-3 px-4">
+            <div className="space-y-2">
+              <Skeleton className="h-7 w-14" />
+              <Skeleton className="h-3 w-24" />
+            </div>
+            <Skeleton className="size-8" />
+          </CardContent>
+        </Card>
+      ))}
+    </div>
+  );
+}
+
+export function TicketSummaryCards({
+  summary,
+  isLoading,
+  isError,
+}: TicketSummaryCardsProps) {
+  if (isLoading) return <TicketSummarySkeleton />;
+
+  if (isError || !summary) {
+    return (
+      <div
+        role="status"
+        className="flex items-center gap-2 rounded-lg border border-dashed px-4 py-3 text-sm text-muted-foreground"
+      >
+        <TriangleAlert className="size-4" aria-hidden="true" />
+        Ticket summary is temporarily unavailable.
+      </div>
+    );
+  }
+
+  const metrics: SummaryMetric[] = [
+    {
+      label: 'Total Tickets',
+      value: summary.total_tickets,
+      icon: Ticket,
+      iconClassName:
+        'bg-slate-100 text-slate-700 dark:bg-slate-800 dark:text-slate-300',
+    },
+    {
+      label: 'In Progress',
+      value: summary.in_progress_tickets,
+      icon: ListChecks,
+      iconClassName:
+        'bg-indigo-100 text-indigo-700 dark:bg-indigo-950/60 dark:text-indigo-300',
+    },
+    {
+      label: 'Repair Reviews',
+      value: summary.pending_actions.repair_reviews,
+      icon: ClipboardCheck,
+      iconClassName:
+        'bg-orange-100 text-orange-700 dark:bg-orange-950/60 dark:text-orange-300',
+    },
+    {
+      label: 'Extension Requests',
+      value: summary.pending_actions.extension_requests,
+      icon: CalendarClock,
+      iconClassName:
+        'bg-blue-100 text-blue-700 dark:bg-blue-950/60 dark:text-blue-300',
+    },
+    {
+      label: 'Completed',
+      value: summary.completed_tickets,
+      icon: CircleCheck,
+      iconClassName:
+        'bg-emerald-100 text-emerald-700 dark:bg-emerald-950/60 dark:text-emerald-300',
+    },
+  ];
+
+  return (
+    <section
+      aria-label="Ticket summary"
+      className="grid grid-cols-2 gap-3 lg:grid-cols-3 xl:grid-cols-5"
+    >
+      {metrics.map((metric) => (
+        <SummaryCard key={metric.label} metric={metric} />
+      ))}
+    </section>
+  );
+}

src/app/(modules)/ticket/hooks/useTenantTicketTableEvents.ts

@@ -139,6 +139,8 @@ export function useTenantTicketTableEvents(enabled = true) {
   const events = useMemo(
     () => ({
       ticket_status: (event: TicketTableStatusEvent) => {
+        queryClient.invalidateQueries({ queryKey: ticketKeys.summaries() });
+
         queryClient
           .getQueryCache()
           .findAll({ queryKey: ticketKeys.lists() })

src/app/(modules)/ticket/hooks/useTicketQueries.ts

@@ -61,6 +61,20 @@ export function useTicketsQuery(params: UseTicketsQueryParams) {
   });
 }
 
+export function useTicketSummaryQuery(chainageId?: string) {
+  const summaryParams = useMemo(
+    () => ({ chainage_id: chainageId || undefined }),
+    [chainageId],
+  );
+
+  return useQuery({
+    queryKey: ticketKeys.summary(summaryParams),
+    queryFn: () => ticketService.getTicketSummary(summaryParams),
+    staleTime: TICKET_TABLE_REFRESH_MS,
+    refetchInterval: TICKET_TABLE_REFRESH_MS,
+  });
+}
+
 export function useTicketOverviewQuery(ticketId: string | undefined) {
   return useQuery({
     queryKey: ticketKeys.overview(ticketId ?? ''),
@@ -214,6 +228,7 @@ export function useDiscardDetectionMutation(
           queryKey: ticketKeys.overview(ticketId),
         }),
         queryClient.invalidateQueries({ queryKey: ticketKeys.lists() }),
+        queryClient.invalidateQueries({ queryKey: ticketKeys.summaries() }),
         queryClient.invalidateQueries({
           queryKey: ticketKeys.assignments(ticketId),
         }),
@@ -260,6 +275,7 @@ export function useReviewDetectionRepairProofMutation({
           queryKey: ticketKeys.timeline(ticketId),
         }),
         queryClient.invalidateQueries({ queryKey: ticketKeys.lists() }),
+        queryClient.invalidateQueries({ queryKey: ticketKeys.summaries() }),
       ]);
     },
     onError: () => toast.error('Failed to review repair proof'),
@@ -305,6 +321,7 @@ export function useAssignTicketMutation(ticketId: string) {
           queryKey: ticketKeys.timeline(ticketId),
         }),
         queryClient.invalidateQueries({ queryKey: ticketKeys.lists() }),
+        queryClient.invalidateQueries({ queryKey: ticketKeys.summaries() }),
         queryClient.invalidateQueries({
           queryKey: ticketKeys.assignmentDetectionLists(ticketId),
         }),
@@ -349,6 +366,7 @@ export function useRequestTicketExtensionMutation(
         queryKey: ticketKeys.timeline(ticketId),
       });
       queryClient.invalidateQueries({ queryKey: ticketKeys.lists() });
+      queryClient.invalidateQueries({ queryKey: ticketKeys.summaries() });
     },
     onError: () => toast.error('Failed to request an extension'),
   });
@@ -371,6 +389,7 @@ export function useCloseTicketMutation(ticketId: string) {
         queryKey: ticketKeys.timeline(ticketId),
       });
       queryClient.invalidateQueries({ queryKey: ticketKeys.lists() });
+      queryClient.invalidateQueries({ queryKey: ticketKeys.summaries() });
     },
     onError: () => toast.error('Failed to close ticket'),
   });

src/app/(modules)/ticket/page.tsx

@@ -8,10 +8,14 @@ import type { TicketListItem } from '@/types';
 import { ROUTES } from '@/utils/routes';
 
 import { TicketFilters } from './components/TicketFilters';
+import { TicketSummaryCards } from './components/TicketSummaryCards';
 import { TicketTable } from './components/TicketTable';
 import { useTicketColumns } from './components/TicketColumns';
 import { useTenantTicketTableEvents } from './hooks/useTenantTicketTableEvents';
-import { useTicketsQuery } from './hooks/useTicketQueries';
+import {
+  useTicketsQuery,
+  useTicketSummaryQuery,
+} from './hooks/useTicketQueries';
 
 export default function TicketPage() {
   const router = useRouter();
@@ -26,6 +30,7 @@ export default function TicketPage() {
     limit,
     chainageId: segmentId,
   });
+  const summaryQuery = useTicketSummaryQuery(segmentId);
 
   const columns = useTicketColumns();
   const tickets = ticketsQuery.data?.items ?? [];
@@ -62,6 +67,12 @@ export default function TicketPage() {
         icon={Ticket}
       />
 
+      <TicketSummaryCards
+        summary={summaryQuery.data}
+        isLoading={summaryQuery.isLoading}
+        isError={summaryQuery.isError}
+      />
+
       <TicketTable
         columns={columns}
         tickets={tickets}

src/app/(modules)/ticket/queries/ticketKeys.ts

@@ -8,6 +8,9 @@ export const ticketKeys = {
   all: ['tickets'] as const,
   lists: () => [...ticketKeys.all, 'list'] as const,
   list: (params: TicketListParams) => [...ticketKeys.lists(), params] as const,
+  summaries: () => [...ticketKeys.all, 'summary'] as const,
+  summary: (params: { chainage_id?: string }) =>
+    [...ticketKeys.summaries(), params] as const,
   details: () => [...ticketKeys.all, 'detail'] as const,
   overview: (ticketId: string) =>
     [...ticketKeys.details(), ticketId, 'overview'] as const,