feat(ui): improve collapsed sidebar and status action icons

- embed detection previews within work assignments
- allow discarding only unassigned detections
- improve ticket detail labels, counts, and layout

src/app/(modules)/extension-requests/components/ExtensionRequestColumns.tsx

@@ -68,13 +68,13 @@ export function useExtensionRequestColumns(): ColumnDef<TicketExtensionRequest>[
     () => [
       {
         accessorKey: 'ticket_name',
-        header: 'Ticket / Lot',
+        header: 'Ticket / Assignment',
         size: 170,
         cell: ({ row }) => (
           <div>
             <p className="font-medium">{row.original.ticket_name}</p>
             <p className="text-xs text-muted-foreground">
-              Lot #{row.original.assignment_id}
+              Assignment #{row.original.assignment_id}
             </p>
           </div>
         ),

src/app/(modules)/extension-requests/components/ExtensionRequestDecisionDialog.tsx

@@ -90,8 +90,8 @@ export function ExtensionRequestDecisionDialog({
                 : 'Reject extension request'}
             </DialogTitle>
             <DialogDescription>
-              Review {request.ticket_name}, Lot #{request.assignment_id} before
+              Review {request.ticket_name}, Assignment #{request.assignment_id}{' '}
-              confirming this decision.
+              before confirming this decision.
             </DialogDescription>
           </DialogHeader>
 
@@ -205,8 +205,8 @@ export function ExtensionRequestDecisionDialog({
             <AlertDialogTitle>Reject extension request?</AlertDialogTitle>
             <AlertDialogDescription>
               Are you sure you want to reject the extension request for{' '}
-              {request.ticket_name}, Lot #{request.assignment_id}? This decision
+              {request.ticket_name}, Assignment #{request.assignment_id}? This
-              cannot be undone.
+              decision cannot be undone.
             </AlertDialogDescription>
           </AlertDialogHeader>
           <AlertDialogFooter>

src/app/(modules)/extension-requests/page.tsx

@@ -95,7 +95,7 @@ export default function ExtensionRequestsPage() {
     <main className="relative z-10 space-y-5">
       <PageHeader
         title="Extension Requests"
-        description="Track deadline extension requests across all ticket lots."
+        description="Track deadline extension requests across all ticket assignments."
         icon={CalendarClock}
       />
 

src/app/(modules)/layout.tsx

@@ -11,7 +11,7 @@ const ModulesLayout = ({
 }>) => {
   return (
     <AuthGuard>
-      <SidebarProvider>
+      <SidebarProvider defaultOpen={false}>
         <AppSidebar />
         <main className="flex h-screen min-w-0 flex-1 flex-col overflow-hidden">
           <div className="scroll-stable min-w-0 flex-1 overflow-auto">

src/app/(modules)/roles/components/RoleTable.tsx

@@ -2,7 +2,7 @@
 
 import type { ColumnDef, SortingState } from '@tanstack/react-table';
 import type { ReactNode } from 'react';
-import { Edit, RotateCcw } from 'lucide-react';
+import { Edit, ShieldCheck, ShieldX } from 'lucide-react';
 
 import { DataTable } from '@/components/data-table';
 import { PERMISSIONS } from '@/constants/permissions';
@@ -58,7 +58,12 @@ export function RoleTable({
         },
         {
           label: (role) => (role.effective_status ? 'Deactivate' : 'Activate'),
-          icon: <RotateCcw className="size-4" />,
+          icon: (role) =>
+            role.effective_status ? (
+              <ShieldX className="size-4 text-destructive" />
+            ) : (
+              <ShieldCheck className="size-4 text-emerald-600" />
+            ),
           permission: PERMISSIONS.ROLE.DELETE,
           disabled: () => isStatusPending,
           onClick: onToggleStatus,

src/app/(modules)/ticket/[ticketId]/assign/page.tsx

@@ -4,6 +4,7 @@ import { useState } from 'react';
 import { useParams, useRouter } from 'next/navigation';
 import { AlertTriangle, ArrowLeft, LockKeyhole } from 'lucide-react';
 
+import { Badge } from '@/components/ui/badge';
 import { Button } from '@/components/ui/button';
 import { Card, CardContent } from '@/components/ui/card';
 import { Skeleton } from '@/components/ui/skeleton';
@@ -78,7 +79,7 @@ export default function TicketAssignmentPage() {
     );
   }
 
-  const ticketLabel = overview.ticket_name || overview.id;
+  const ticketName = overview.ticket_name || 'Unnamed ticket';
 
   return (
     <main className="relative z-10 space-y-5 xl:flex xl:h-[calc(100vh-6.5rem)] xl:min-h-0 xl:flex-col xl:gap-5 xl:space-y-0 xl:overflow-hidden">
@@ -93,13 +94,17 @@ export default function TicketAssignmentPage() {
         >
           <ArrowLeft />
         </Button>
-        <div className="min-w-0 space-y-1">
+        <div className="flex min-w-0 flex-wrap items-center gap-2">
           <h1 className="text-2xl font-semibold tracking-tight">
-            Assign ticket
+            Assign Ticket
           </h1>
-          <p className="truncate text-sm text-muted-foreground">
+          <Badge
-            Ticket: {ticketLabel}
+            variant="secondary"
-          </p>
+            className="max-w-full font-mono text-xs"
+            title={ticketName}
+          >
+            <span className="truncate">{ticketName}</span>
+          </Badge>
         </div>
       </header>
 

src/app/(modules)/ticket/[ticketId]/components/TicketAssignmentsCard.tsx

@@ -1,11 +1,22 @@
 'use client';
 
 import { useEffect } from 'react';
-import { BriefcaseBusiness, CalendarClock, ListChecks } from 'lucide-react';
+import {
+  BriefcaseBusiness,
+  CalendarClock,
+  ChevronDown,
+  Images,
+  ListChecks,
+} from 'lucide-react';
 
 import { PersonInfo } from '@/components/person-avatar';
 import { Badge } from '@/components/ui/badge';
 import { Button } from '@/components/ui/button';
+import {
+  Collapsible,
+  CollapsibleContent,
+  CollapsibleTrigger,
+} from '@/components/ui/collapsible';
 import {
   Card,
   CardContent,
@@ -20,9 +31,11 @@ import type { TicketActor, TicketAssignmentSummary } from '@/types';
 import { formatDate } from '@/utils/date';
 
 import { useTicketAssignmentsQuery } from '../../hooks/useTicketQueries';
+import { TicketDetectionPreview } from './TicketDetectionPreview';
 
 interface TicketAssignmentsCardProps {
   ticketId: string;
+  videoId?: string | null;
   initialAssignments?: TicketAssignmentSummary[];
   selectedAssignmentId?: number;
   onAssignmentChange: (assignmentId: number) => void;
@@ -87,7 +100,7 @@ function AssignmentProgress({
   );
 }
 
-function AssignmentLot({
+function AssignmentOverview({
   assignment,
 }: {
   assignment: TicketAssignmentSummary;
@@ -109,7 +122,7 @@ function AssignmentLot({
     <div className="min-w-0 space-y-4 rounded-lg border p-3 sm:p-4">
       <div className="min-w-0">
         <p className="mb-2 text-xs font-medium text-muted-foreground">
-          Lot {assignment.id}
+          Assignment {assignment.id}
         </p>
         <PersonInfo person={worker} />
       </div>
@@ -138,6 +151,7 @@ function AssignmentLot({
 
 export function TicketAssignmentsCard({
   ticketId,
+  videoId,
   initialAssignments,
   selectedAssignmentId,
   onAssignmentChange,
@@ -173,14 +187,17 @@ export function TicketAssignmentsCard({
           <div className="min-w-0">
             <CardTitle className="flex items-center gap-2">
               <BriefcaseBusiness className="size-5 text-primary" />
-              Assignment lots
+              Work Assignments
             </CardTitle>
             <CardDescription className="mt-1">
-              Live ownership, criteria, and repair progress for this ticket.
+              Issues grouped by assignee, scope, and repair progress.
             </CardDescription>
           </div>
           {assignmentsQuery.data ? (
-            <Badge variant="default">{assignments.length}</Badge>
+            <Badge variant="default">
+              {assignments.length}{' '}
+              {assignments.length === 1 ? 'Assignment' : 'Assignments'}
+            </Badge>
           ) : null}
         </div>
       </CardHeader>
@@ -195,7 +212,7 @@ export function TicketAssignmentsCard({
         ) : assignmentsQuery.isError ? (
           <div className="rounded-lg border border-dashed p-6 text-center">
             <p className="text-sm font-medium">
-              Unable to load assignment lots.
+              Unable to load work assignments.
             </p>
             <Button
               type="button"
@@ -210,7 +227,7 @@ export function TicketAssignmentsCard({
         ) : selectedAssignment ? (
           <div className="min-w-0 space-y-3">
             <nav
-              aria-label="Assignment lots"
+              aria-label="Work assignments"
               className="w-full max-w-full overflow-x-auto overflow-y-hidden overscroll-x-contain touch-pan-x"
             >
               <div
@@ -239,7 +256,7 @@ export function TicketAssignmentsCard({
                       )}
                       onClick={() => onAssignmentChange(assignment.id)}
                     >
-                      Lot {assignment.id}
+                      Assignment {assignment.id}
                     </button>
                   );
                 })}
@@ -252,14 +269,44 @@ export function TicketAssignmentsCard({
               aria-labelledby={`assignment-tab-${activeAssignmentId}`}
               className="min-w-0"
             >
-              <AssignmentLot assignment={selectedAssignment} />
+              <AssignmentOverview assignment={selectedAssignment} />
+              {videoId ? (
+                <Collapsible
+                  key={selectedAssignment.id}
+                  className="group mt-4 overflow-hidden rounded-lg border"
+                >
+                  <CollapsibleTrigger asChild>
+                    <Button
+                      type="button"
+                      variant="ghost"
+                      className="h-auto w-full justify-between rounded-none px-4 py-3"
+                    >
+                      <span className="flex items-center gap-2 font-medium">
+                        <Images className="size-4 text-primary" />
+                        Assigned issue images
+                      </span>
+                      <ChevronDown className="size-4 text-muted-foreground transition-transform group-data-[state=open]:rotate-180" />
+                    </Button>
+                  </CollapsibleTrigger>
+                  <CollapsibleContent>
+                    <div className="border-t p-4">
+                      <TicketDetectionPreview
+                        key={`${videoId}:${selectedAssignment.id}`}
+                        ticketId={ticketId}
+                        videoId={videoId}
+                        assignmentId={selectedAssignment.id}
+                      />
+                    </div>
+                  </CollapsibleContent>
+                </Collapsible>
+              ) : null}
             </div>
           </div>
         ) : (
           <div className="rounded-lg border border-dashed px-4 py-8 text-center">
-            <p className="text-sm font-medium">No assignments yet</p>
+            <p className="text-sm font-medium">No work assignments yet</p>
             <p className="mt-1 text-sm text-muted-foreground">
-              Assignment lots will appear here after work is allocated.
+              Work assignments will appear here after issues are allocated.
             </p>
           </div>
         )}

src/app/(modules)/ticket/[ticketId]/components/TicketDetailHeader.tsx

@@ -3,6 +3,7 @@
 import { ArrowLeft } from 'lucide-react';
 import { useRouter } from 'next/navigation';
 
+import { Badge } from '@/components/ui/badge';
 import { Button } from '@/components/ui/button';
 import { PERMISSIONS } from '@/constants/permissions';
 import { PermissionGuard } from '@/guards';
@@ -13,11 +14,13 @@ import { OpenRepairReviewAction } from './actions/OpenRepairReviewAction';
 
 export function TicketDetailHeader({
   ticket,
+  backHref,
 }: {
   ticket: TicketOverviewDetail;
+  backHref: string;
 }) {
   const router = useRouter();
-  const ticketLabel = ticket.ticket_name || ticket.id;
+  const ticketName = ticket.ticket_name || 'Unnamed ticket';
 
   return (
     <div className="flex flex-col gap-4 sm:flex-row sm:items-start sm:justify-between">
@@ -26,17 +29,23 @@ export function TicketDetailHeader({
           type="button"
           variant="secondary"
           size="icon"
-          onClick={() => router.push('/ticket')}
+          onClick={() => router.push(backHref)}
           aria-label="Back to ticket list"
           className="shrink-0"
         >
           <ArrowLeft />
         </Button>
-        <div className="min-w-0 space-y-1">
+        <div className="flex min-w-0 flex-wrap items-center gap-2">
           <h1 className="text-2xl font-semibold tracking-tight">
             Ticket Detail
           </h1>
-          <p className="text-xs">Ticket: {ticketLabel}</p>
+          <Badge
+            variant="secondary"
+            className="max-w-full font-mono text-xs"
+            title={ticketName}
+          >
+            <span className="truncate">{ticketName}</span>
+          </Badge>
         </div>
       </div>
 

src/app/(modules)/ticket/[ticketId]/components/TicketDetectionPreview.tsx

@@ -4,7 +4,6 @@ import { useEffect, useMemo, useState } from 'react';
 import { AlertTriangle, ChevronLeft, ChevronRight, Trash2 } from 'lucide-react';
 
 import DetectionLocationMap from '@/components/map/detectionLocationMap';
-import { Badge } from '@/components/ui/badge';
 import { Button } from '@/components/ui/button';
 import { Skeleton } from '@/components/ui/skeleton';
 import AnnotatedDetectionImage from '@/components/video/annotatedDetectionImage';
@@ -20,9 +19,13 @@ import { DetectionDiscardDialog } from './DetectionDiscardDialog';
 interface TicketDetectionPreviewProps {
   ticketId: string;
   videoId?: string | null;
-  assignmentId: number;
+  assignmentId?: number;
+  assignmentStatus?: 'unassigned';
+  onDetectionCountChange?: (count: number | undefined) => void;
 }
 
+const DETECTION_PAGE_SIZE = 10;
+
 function DetectionMetadataBar({
   items,
 }: {
@@ -95,32 +98,43 @@ export function TicketDetectionPreview({
   ticketId,
   videoId,
   assignmentId,
+  assignmentStatus,
+  onDetectionCountChange,
 }: TicketDetectionPreviewProps) {
   const [currentIndex, setCurrentIndex] = useState(0);
   const [isDiscardDialogOpen, setIsDiscardDialogOpen] = useState(false);
+  const isUnassignedPreview = assignmentStatus === 'unassigned';
+  const pageStart =
+    Math.floor(currentIndex / DETECTION_PAGE_SIZE) * DETECTION_PAGE_SIZE;
 
   useEffect(() => {
     setCurrentIndex(0);
-  }, [assignmentId, videoId]);
+  }, [assignmentId, assignmentStatus, videoId]);
 
   const queryParams = useMemo(
     () => ({
-      skip: currentIndex,
+      skip: pageStart,
-      limit: 1,
+      limit: DETECTION_PAGE_SIZE,
-      assignment_id: assignmentId,
+      assignment_id: isUnassignedPreview ? undefined : assignmentId,
+      assignment_status: isUnassignedPreview
+        ? ('unassigned' as const)
+        : undefined,
       sort: 'timestamp_asc',
     }),
-    [assignmentId, currentIndex],
+    [assignmentId, isUnassignedPreview, pageStart],
   );
 
   const detectionsQuery = useTicketDetectionsQuery(
     videoId ?? undefined,
     queryParams,
+    { keepPreviousPage: true },
   );
   const detectionResult = detectionsQuery.data;
-  const activeDetection = detectionResult?.items[0];
+  const activeDetection = detectionsQuery.isPlaceholderData
+    ? undefined
+    : detectionResult?.items[currentIndex - pageStart];
   const confirmedDetectionCount = detectionResult?.total;
-  const detectionCount = detectionResult?.total ?? 0;
+  const detectionCount = confirmedDetectionCount ?? 0;
   const activeVisual = getDefectVisual(
     activeDetection?.detection.class_name ?? '',
   );
@@ -148,8 +162,18 @@ export function TicketDetectionPreview({
     }
   }, [confirmedDetectionCount, currentIndex]);
 
+  useEffect(() => {
+    onDetectionCountChange?.(detectionCount);
+  }, [detectionCount, onDetectionCountChange]);
+
   const isNavigationDisabled =
-    detectionCount === 0 || detectionsQuery.isLoading;
+    detectionCount === 0 ||
+    detectionsQuery.isLoading ||
+    detectionsQuery.isPlaceholderData;
+  const isInitialLoading =
+    detectionsQuery.isLoading || detectionsQuery.isPlaceholderData;
+  const isError = detectionsQuery.isError;
+  const retry = () => void detectionsQuery.refetch();
 
   return (
     <div className="space-y-4">
@@ -165,16 +189,8 @@ export function TicketDetectionPreview({
               className={cn('size-5', activeVisual.colorClassName)}
             />
           </span>
-          <div className="min-w-0 space-y-1">
+          <div className="min-w-0">
-            <div className="flex min-w-0 flex-wrap items-center gap-2">
+            <h3>{activeDisplayName}</h3>
-              <h3>{activeDisplayName}</h3>
-              <Badge variant="secondary" className="rounded-lg">
-                {detectionCount} Detections
-              </Badge>
-            </div>
-            <p className="text-muted-foreground">
-              Review all detections in ascending timestamp order.
-            </p>
           </div>
         </div>
 
@@ -215,28 +231,27 @@ export function TicketDetectionPreview({
         </div>
       </div>
 
-      {detectionsQuery.isLoading && !detectionsQuery.data ? (
+      {isInitialLoading ? (
         <TicketDetectionPreviewSkeleton />
-      ) : detectionsQuery.isError ? (
+      ) : isError ? (
         <div className="rounded-lg border border-dashed border-destructive/40 bg-destructive/5 px-4 py-8 text-center">
           <div className="flex flex-col items-center gap-2">
             <AlertTriangle className="size-6 text-destructive" />
             <p className="text-sm font-medium text-destructive">
               Failed to load detection preview.
             </p>
-            <Button
+            <Button type="button" variant="outline" size="sm" onClick={retry}>
-              type="button"
-              variant="outline"
-              size="sm"
-              onClick={() => void detectionsQuery.refetch()}
-            >
               Retry
             </Button>
           </div>
         </div>
       ) : !activeDetection || !detectionResult ? (
         <div className="rounded-lg border border-dashed bg-muted/20 px-4 py-10 text-center text-sm text-muted-foreground">
-          No detections are available for this issue.
+          {detectionCount > 0
+            ? 'The selected detection details are unavailable. Try refreshing the preview.'
+            : isUnassignedPreview
+              ? 'No unassigned issues remain on this ticket.'
+              : 'No detections are available for this issue.'}
         </div>
       ) : (
         <>
@@ -283,30 +298,34 @@ export function TicketDetectionPreview({
             ]}
           />
 
-          <div className="flex justify-end">
+          {isUnassignedPreview ? (
-            <Button
+            <>
-              type="button"
+              <div className="flex justify-end">
-              variant="destructive"
+                <Button
-              onClick={() => setIsDiscardDialogOpen(true)}
+                  type="button"
-            >
+                  variant="destructive"
-              <Trash2 />
+                  onClick={() => setIsDiscardDialogOpen(true)}
-              Discard detection
+                >
-            </Button>
+                  <Trash2 />
-          </div>
+                  Discard detection
+                </Button>
+              </div>
 
-          <DetectionDiscardDialog
+              <DetectionDiscardDialog
-            open={isDiscardDialogOpen}
+                open={isDiscardDialogOpen}
-            detectionLabel={activeDetection.detection.display_name}
+                detectionLabel={activeDetection.detection.display_name}
-            isPending={discardMutation.isPending}
+                isPending={discardMutation.isPending}
-            onOpenChange={setIsDiscardDialogOpen}
+                onOpenChange={setIsDiscardDialogOpen}
-            onSubmit={async (payload) => {
+                onSubmit={async (payload) => {
-              await discardMutation.mutateAsync({
+                  await discardMutation.mutateAsync({
-                detectionId: activeDetection.detection.id,
+                    detectionId: activeDetection.detection.id,
-                payload,
+                    payload,
-              });
+                  });
-              setIsDiscardDialogOpen(false);
+                  setIsDiscardDialogOpen(false);
-            }}
+                }}
-          />
+              />
+            </>
+          ) : null}
         </>
       )}
     </div>

src/app/(modules)/ticket/[ticketId]/components/TicketDetectionPreviewCard.tsx

@@ -22,6 +22,7 @@ export function TicketDetectionPreviewCard({
       <CardContent className="p-5">
         <div className="min-w-0">
           <TicketDetectionPreview
+            key={`${videoId}:${assignmentId}`}
             ticketId={ticketId}
             videoId={videoId}
             assignmentId={assignmentId}

src/app/(modules)/ticket/[ticketId]/components/TicketOverviewCard.tsx

@@ -143,7 +143,7 @@ export function TicketOverviewCard({
     <div className="space-y-5">
       {uploadedOn || uploaderName || locationLabel ? (
         <Card>
-          <CardContent className="grid gap-4 py-4 sm:grid-cols-3 sm:divide-x">
+          <CardContent className="grid gap-4 sm:grid-cols-3 sm:divide-x">
             {uploadedOn ? (
               <div className="flex items-center gap-3 sm:pr-4">
                 <CalendarDays className="size-5 shrink-0 text-muted-foreground" />

src/app/(modules)/ticket/[ticketId]/components/TicketUnassignedIssuesCard.tsx

@@ -0,0 +1,60 @@
+'use client';
+
+import { useState } from 'react';
+import { ListChecks } from 'lucide-react';
+
+import { Badge } from '@/components/ui/badge';
+import {
+  Card,
+  CardContent,
+  CardDescription,
+  CardHeader,
+  CardTitle,
+} from '@/components/ui/card';
+
+import { TicketDetectionPreview } from './TicketDetectionPreview';
+
+interface TicketUnassignedIssuesCardProps {
+  ticketId: string;
+  videoId?: string | null;
+}
+
+export function TicketUnassignedIssuesCard({
+  ticketId,
+  videoId,
+}: TicketUnassignedIssuesCardProps) {
+  const [detectionCount, setDetectionCount] = useState<number>();
+
+  if (!videoId) return null;
+
+  return (
+    <Card className={'w-full'}>
+      <CardHeader className="min-w-0 px-3 sm:px-6">
+        <div className="flex items-start justify-between gap-3">
+          <div className="min-w-0">
+            <CardTitle className="flex items-center gap-2">
+              <ListChecks className="size-5 text-primary" />
+              Unassigned Issues
+            </CardTitle>
+            <CardDescription className="mt-1">
+              Review detections awaiting assignment and discard invalid AI
+              results.
+            </CardDescription>
+          </div>
+          <Badge variant={'default'}>{detectionCount ?? 0} Unassigned</Badge>
+        </div>
+      </CardHeader>
+      <CardContent className={'p-5'}>
+        <div className={'min-w-0'}>
+          <TicketDetectionPreview
+            key={`${videoId}:unassigned`}
+            ticketId={ticketId}
+            videoId={videoId}
+            assignmentStatus={'unassigned'}
+            onDetectionCountChange={setDetectionCount}
+          />
+        </div>
+      </CardContent>
+    </Card>
+  );
+}

src/app/(modules)/ticket/[ticketId]/components/actions/ExtensionRequestHistoryDialog.tsx

@@ -147,7 +147,7 @@ export function ExtensionRequestHistoryDialog({
           <DialogTitle>Extension Request History</DialogTitle>
           <DialogDescription>
             Review every deadline extension request and manager decision for
-            this ticket lot.
+            this ticket assignment.
           </DialogDescription>
         </DialogHeader>
         <DialogBody className="space-y-3">

src/app/(modules)/ticket/[ticketId]/components/actions/RequestExtensionAction.tsx

@@ -18,7 +18,7 @@ export function RequestExtensionAction({
     <TicketActionCard
       icon={Clock3}
       title={canRequest ? 'Request Extension' : 'Extension Request History'}
-      contextLabel={`Lot ${assignmentId}`}
+      contextLabel={`Assignment ${assignmentId}`}
     >
       <TicketExtensionRequestPanel
         ticketId={ticketId}

src/app/(modules)/ticket/[ticketId]/components/actions/ReviewExtensionRequestAction.tsx

@@ -115,7 +115,7 @@ function ExtensionReviewForm({
     <TicketActionCard
       icon={CalendarClock}
       title="Extension Request Details"
-      contextLabel={`Lot ${assignmentId}`}
+      contextLabel={`Assignment ${assignmentId}`}
     >
       <div className="space-y-4">
         <Requester request={request} />
@@ -271,7 +271,7 @@ export function ReviewExtensionRequestAction({
       <TicketActionCard
         icon={Clock3}
         title="Extension Request"
-        contextLabel={`Lot ${assignmentId}`}
+        contextLabel={`Assignment ${assignmentId}`}
       >
         <div className="flex items-center justify-center py-8 text-muted-foreground">
           <Loader2 className="mr-2 size-4 animate-spin" />
@@ -298,7 +298,7 @@ export function ReviewExtensionRequestAction({
       <TicketActionCard
         icon={CalendarClock}
         title="Extension Request"
-        contextLabel={`Lot ${assignmentId}`}
+        contextLabel={`Assignment ${assignmentId}`}
       >
         <ExtensionRequestDetails request={latestRequest} requests={requests} />
       </TicketActionCard>

src/app/(modules)/ticket/[ticketId]/components/actions/TicketExtensionRequestPanel.tsx

@@ -258,7 +258,7 @@ export function TicketExtensionRequestPanel({
     if (!canRequest) {
       return (
         <p className="text-sm text-muted-foreground">
-          No extension request history is available for this ticket lot.
+          No extension request history is available for this ticket assignment.
         </p>
       );
     }

src/app/(modules)/ticket/[ticketId]/page.tsx

@@ -1,10 +1,13 @@
 'use client';
 
 import { useState } from 'react';
-import { useParams, useRouter } from 'next/navigation';
+import { useParams, useRouter, useSearchParams } from 'next/navigation';
 import { ArrowLeft } from 'lucide-react';
 
 import { Button } from '@/components/ui/button';
+import { PERMISSIONS } from '@/constants/permissions';
+import { PermissionGuard } from '@/guards';
+import { ROUTES } from '@/utils/routes';
 
 import { TicketDetailHeader } from './components/TicketDetailHeader';
 import {
@@ -14,8 +17,8 @@ import {
 import { TicketAssignmentsCard } from './components/TicketAssignmentsCard';
 import { TicketOverviewCard } from './components/TicketOverviewCard';
 import { TicketStatusActions } from './components/TicketStatusActions';
-import { TicketDetectionPreviewCard } from './components/TicketDetectionPreviewCard';
 import { TicketHistoryCard } from './components/TicketHistoryCard';
+import { TicketUnassignedIssuesCard } from './components/TicketUnassignedIssuesCard';
 import { useTicketDetailEvents } from '../hooks/useTicketDetailEvents';
 import {
   useTicketAssignmentsQuery,
@@ -24,8 +27,20 @@ import {
 
 export default function TicketDetailPage() {
   const router = useRouter();
+  const searchParams = useSearchParams();
   const { ticketId } = useParams() as { ticketId: string };
   const [selectedAssignmentId, setSelectedAssignmentId] = useState<number>();
+  const listParams = new URLSearchParams();
+
+  for (const key of ['page', 'limit', 'segment']) {
+    const value = searchParams.get(key);
+    if (value) listParams.set(key, value);
+  }
+
+  const listSearch = listParams.toString();
+  const ticketListHref = listSearch
+    ? `${ROUTES.TICKET}?${listSearch}`
+    : ROUTES.TICKET;
 
   const overviewQuery = useTicketOverviewQuery(ticketId);
   const overview = overviewQuery.data;
@@ -50,7 +65,7 @@ export default function TicketDetailPage() {
         <Button
           variant="outline"
           size="sm"
-          onClick={() => router.push('/ticket')}
+          onClick={() => router.push(ticketListHref)}
         >
           <ArrowLeft />
           Back to Tickets
@@ -63,7 +78,7 @@ export default function TicketDetailPage() {
     <main className="relative z-10 min-w-0 max-w-full space-y-5 xl:flex xl:h-[calc(100vh-6.5rem)] xl:min-h-0 xl:flex-col xl:gap-5 xl:space-y-0 xl:overflow-hidden">
       <div className="xl:shrink-0">
         {overview ? (
-          <TicketDetailHeader ticket={overview} />
+          <TicketDetailHeader ticket={overview} backHref={ticketListHref} />
         ) : (
           <TicketOverviewHeaderSkeleton />
         )}
@@ -79,17 +94,19 @@ export default function TicketDetailPage() {
           {overview ? (
             <TicketAssignmentsCard
               ticketId={ticketId}
+              videoId={overview.video_id ?? overview.video?.id}
               initialAssignments={overview.assignments}
               selectedAssignmentId={activeAssignmentId}
               onAssignmentChange={setSelectedAssignmentId}
             />
           ) : null}
-          {activeAssignment ? (
+          {overview ? (
-            <TicketDetectionPreviewCard
+            <PermissionGuard permissions={PERMISSIONS.TICKET.ASSIGN}>
-              ticketId={ticketId}
+              <TicketUnassignedIssuesCard
-              videoId={overview?.video_id ?? overview?.video?.id}
+                ticketId={ticketId}
-              assignmentId={activeAssignment.id}
+                videoId={overview.video_id ?? overview.video?.id}
-            />
+              />
+            </PermissionGuard>
           ) : null}
           <TicketHistoryCard ticketId={ticketId} />
         </div>

src/app/(modules)/ticket/[ticketId]/review/components/IssueReviewAction.tsx

@@ -176,13 +176,9 @@ export function IssueReviewAction({
           <div className="grid grid-cols-2 gap-2">
             <Button
               type="button"
-              variant="outline"
+              variant="default"
               disabled={isPending}
               onClick={() => void submitDecision('approve')}
-              className={cn(
-                decision === 'approve' &&
-                  'border-emerald-500 bg-emerald-500/10 text-emerald-700 hover:bg-emerald-500/15 dark:text-emerald-300',
-              )}
             >
               {isPending && decision === 'approve' ? (
                 <Loader2 className="animate-spin" />
@@ -193,13 +189,9 @@ export function IssueReviewAction({
             </Button>
             <Button
               type="button"
-              variant="outline"
+              variant="destructive"
               disabled={isPending}
               onClick={() => void submitDecision('reject')}
-              className={cn(
-                decision === 'reject' &&
-                  'border-destructive bg-destructive/10 text-destructive hover:bg-destructive/15',
-              )}
             >
               {isPending && decision === 'reject' ? (
                 <Loader2 className="animate-spin" />

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

@@ -73,6 +73,17 @@ export function useTicketColumns(): ColumnDef<TicketListItem>[] {
         meta: { disableTruncate: true },
         cell: ({ row }) => <TicketAttention ticket={row.original} />,
       },
+      {
+        accessorKey: 'is_closed',
+        header: 'Status',
+        size: 100,
+        meta: { disableTruncate: true },
+        cell: ({ row }) => (
+          <Badge variant={row.original.is_closed ? 'secondary' : 'default'}>
+            {row.original.is_closed ? 'Closed' : 'Open'}
+          </Badge>
+        ),
+      },
       {
         id: 'created_by',
         header: 'Uploaded By',

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

@@ -99,6 +99,7 @@ function buildTicketListItem(
     chainage_name: event.chainage_name ?? null,
     default_defect_class: event.default_defect_class ?? null,
     detection_count: event.detection_count,
+    is_closed: event.is_closed ?? false,
     created_by_name: event.created_by_name ?? null,
     created_by_email: event.created_by_email ?? null,
     created_at: event.created_at ?? event.updated_at,
@@ -124,6 +125,7 @@ function mergeTicketListItem(
     default_defect_class:
       event.default_defect_class ?? current.default_defect_class,
     detection_count: event.detection_count ?? current.detection_count,
+    is_closed: event.is_closed ?? current.is_closed,
     created_by_name: event.created_by_name ?? current.created_by_name,
     created_by_email: event.created_by_email ?? current.created_by_email,
     created_at: event.created_at ?? current.created_at,

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

@@ -2,6 +2,7 @@
 
 import { useMemo } from 'react';
 import {
+  keepPreviousData,
   useInfiniteQuery,
   useMutation,
   useQuery,
@@ -28,6 +29,11 @@ import { extensionRequestKeys } from '../../extension-requests/queries/extension
 
 const TICKET_TABLE_REFRESH_MS = 5 * 60 * 1000;
 
+interface TicketDetectionsQueryOptions {
+  enabled?: boolean;
+  keepPreviousPage?: boolean;
+}
+
 interface UseTicketsQueryParams {
   skip: number;
   limit: number;
@@ -113,12 +119,15 @@ export function useTicketAssignmentsQuery(
 export function useTicketDetectionsQuery(
   videoId: string | undefined,
   params: VideoDetectionsParams,
+  options: TicketDetectionsQueryOptions = {},
 ) {
+  const { enabled = true, keepPreviousPage = false } = options;
   const queryParams = useMemo(
     () => ({
       skip: params.skip ?? 0,
       limit: params.limit ?? 1,
       assignment_id: params.assignment_id,
+      assignment_status: params.assignment_status,
       class_name: params.class_name,
       min_confidence: params.min_confidence,
       sort: params.sort ?? 'timestamp_asc',
@@ -126,6 +135,7 @@ export function useTicketDetectionsQuery(
     }),
     [
       params.assignment_id,
+      params.assignment_status,
       params.class_name,
       params.limit,
       params.min_confidence,
@@ -139,7 +149,8 @@ export function useTicketDetectionsQuery(
     queryKey: ticketKeys.classDetections(videoId ?? '', queryParams),
     queryFn: () =>
       videoService.getVideoDetections(videoId as string, queryParams),
-    enabled: Boolean(videoId),
+    enabled: Boolean(enabled && videoId),
+    placeholderData: keepPreviousPage ? keepPreviousData : undefined,
     staleTime: Infinity,
   });
 }
@@ -154,6 +165,7 @@ export function useTicketClassDetectionsQuery(
 export function useTicketAssignmentDetectionsQuery(
   ticketId: string | undefined,
   params: TicketAssignmentDetectionsParams,
+  enabled = true,
 ) {
   const queryParams = useMemo(
     () => ({
@@ -172,7 +184,7 @@ export function useTicketAssignmentDetectionsQuery(
         ticketId as string,
         queryParams,
       ),
-    enabled: Boolean(ticketId),
+    enabled: Boolean(enabled && ticketId),
     staleTime: Infinity,
   });
 }
@@ -229,6 +241,9 @@ export function useDiscardDetectionMutation(
         }),
         queryClient.invalidateQueries({ queryKey: ticketKeys.lists() }),
         queryClient.invalidateQueries({ queryKey: ticketKeys.summaries() }),
+        queryClient.invalidateQueries({
+          queryKey: ticketKeys.assignmentDetectionLists(ticketId),
+        }),
         queryClient.invalidateQueries({
           queryKey: ticketKeys.assignments(ticketId),
         }),

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

@@ -1,7 +1,7 @@
 'use client';
 
-import { useCallback, useMemo, useState } from 'react';
+import { useCallback, useEffect, useMemo, useRef } from 'react';
-import { useRouter } from 'next/navigation';
+import { usePathname, useRouter, useSearchParams } from 'next/navigation';
 import { PageHeader } from '@/components/page-header';
 import { Ticket } from 'lucide-react';
 import type { TicketListItem } from '@/types';
@@ -17,11 +17,48 @@ import {
   useTicketSummaryQuery,
 } from './hooks/useTicketQueries';
 
+const DEFAULT_PAGE = 1;
+const DEFAULT_LIMIT = 10;
+const PAGE_SIZE_OPTIONS = new Set([10, 20, 40, 50, 100]);
+
+function parsePage(value: string | null) {
+  const page = Number(value);
+  return Number.isInteger(page) && page > 0 ? page : DEFAULT_PAGE;
+}
+
+function parseLimit(value: string | null) {
+  const limit = Number(value);
+  return PAGE_SIZE_OPTIONS.has(limit) ? limit : DEFAULT_LIMIT;
+}
+
 export default function TicketPage() {
   const router = useRouter();
-  const [skip, setSkip] = useState(0);
+  const pathname = usePathname();
-  const [limit, setLimit] = useState(10);
+  const searchParams = useSearchParams();
-  const [segmentId, setSegmentId] = useState('');
+  const searchParamsString = searchParams.toString();
+  const latestSearchParamsRef = useRef(searchParamsString);
+
+  useEffect(() => {
+    latestSearchParamsRef.current = searchParamsString;
+  }, [searchParamsString]);
+
+  const page = parsePage(searchParams.get('page'));
+  const limit = parseLimit(searchParams.get('limit'));
+  const segmentId = searchParams.get('segment') ?? '';
+  const skip = (page - 1) * limit;
+
+  const replaceListParams = useCallback(
+    (update: (params: URLSearchParams) => void) => {
+      const nextParams = new URLSearchParams(latestSearchParamsRef.current);
+      update(nextParams);
+      const nextSearch = nextParams.toString();
+      latestSearchParamsRef.current = nextSearch;
+      router.replace(nextSearch ? `${pathname}?${nextSearch}` : pathname, {
+        scroll: false,
+      });
+    },
+    [pathname, router],
+  );
 
   useTenantTicketTableEvents();
 
@@ -36,16 +73,56 @@ export default function TicketPage() {
   const tickets = ticketsQuery.data?.items ?? [];
   const total = ticketsQuery.data?.total ?? 0;
 
-  const handleSegmentChange = useCallback((nextSegmentId: string) => {
+  const handleSegmentChange = useCallback(
-    setSegmentId(nextSegmentId);
+    (nextSegmentId: string) => {
-    setSkip(0);
+      replaceListParams((params) => {
-  }, []);
+        params.delete('page');
+        if (nextSegmentId) {
+          params.set('segment', nextSegmentId);
+        } else {
+          params.delete('segment');
+        }
+      });
+    },
+    [replaceListParams],
+  );
+
+  const handlePageChange = useCallback(
+    (nextSkip: number) => {
+      const nextPage = Math.floor(nextSkip / limit) + 1;
+      replaceListParams((params) => {
+        if (nextPage === DEFAULT_PAGE) {
+          params.delete('page');
+        } else {
+          params.set('page', String(nextPage));
+        }
+      });
+    },
+    [limit, replaceListParams],
+  );
+
+  const handleLimitChange = useCallback(
+    (nextLimit: number) => {
+      replaceListParams((params) => {
+        params.delete('page');
+        if (nextLimit === DEFAULT_LIMIT) {
+          params.delete('limit');
+        } else {
+          params.set('limit', String(nextLimit));
+        }
+      });
+    },
+    [replaceListParams],
+  );
 
   const handleView = useCallback(
     (ticket: TicketListItem) => {
-      router.push(ROUTES.TICKET_DETAIL(ticket.id));
+      const detailPath = ROUTES.TICKET_DETAIL(ticket.id);
+      router.push(
+        searchParamsString ? `${detailPath}?${searchParamsString}` : detailPath,
+      );
     },
-    [router],
+    [router, searchParamsString],
   );
 
   const toolbar = useMemo(
@@ -81,8 +158,8 @@ export default function TicketPage() {
         skip={skip}
         limit={limit}
         total={total}
-        onPageChange={setSkip}
+        onPageChange={handlePageChange}
-        onLimitChange={setLimit}
+        onLimitChange={handleLimitChange}
         onView={handleView}
       />
     </main>

src/app/(modules)/users/components/UserTable.tsx

@@ -2,7 +2,7 @@
 
 import type { ReactNode } from 'react';
 import type { ColumnDef, SortingState } from '@tanstack/react-table';
-import { Edit, RotateCcw } from 'lucide-react';
+import { Edit, UserCheck, UserX } from 'lucide-react';
 
 import { DataTable } from '@/components/data-table';
 import { PERMISSIONS } from '@/constants/permissions';
@@ -59,7 +59,12 @@ export function UserTable({
         {
           label: (user) =>
             user.effective_status === 'active' ? 'Deactivate' : 'Activate',
-          icon: <RotateCcw className="size-4" />,
+          icon: (user) =>
+            user.effective_status === 'active' ? (
+              <UserX className="size-4 text-destructive" />
+            ) : (
+              <UserCheck className="size-4 text-emerald-600" />
+            ),
           permission: PERMISSIONS.USER.DELETE,
           disabled: (user) =>
             pendingUserId === user.id || user.effective_status === 'pending',

src/app/globals.css

@@ -140,6 +140,40 @@
 
   * {
     @apply outline-none border-border outline-ring/50;
+    scrollbar-color: color-mix(
+        in oklab,
+        var(--muted-foreground) 45%,
+        transparent
+      )
+      transparent;
+    scrollbar-width: thin;
+  }
+
+  *::-webkit-scrollbar {
+    width: 6px;
+    height: 6px;
+  }
+
+  *::-webkit-scrollbar-track,
+  *::-webkit-scrollbar-corner {
+    background: transparent;
+  }
+
+  *::-webkit-scrollbar-thumb {
+    border-radius: 9999px;
+    background-color: color-mix(
+      in oklab,
+      var(--muted-foreground) 45%,
+      transparent
+    );
+  }
+
+  *::-webkit-scrollbar-thumb:hover {
+    background-color: color-mix(
+      in oklab,
+      var(--muted-foreground) 70%,
+      transparent
+    );
   }
 
   body {

src/components/app-sidebar.tsx

@@ -14,6 +14,14 @@ import {
   CollapsibleContent,
   CollapsibleTrigger,
 } from '@/components/ui/collapsible';
+import {
+  DropdownMenu,
+  DropdownMenuContent,
+  DropdownMenuItem,
+  DropdownMenuLabel,
+  DropdownMenuSeparator,
+  DropdownMenuTrigger,
+} from '@/components/ui/dropdown-menu';
 import {
   Sidebar,
   SidebarContent,
@@ -124,6 +132,7 @@ function SidebarNavItem({
   item: MenuItem;
   pathname: string;
 }) {
+  const { isMobile, state } = useSidebar();
   const isActive = isRouteActive(pathname, item.path);
   const isChildActive =
     item.children?.some((child) => isRouteActive(pathname, child.path)) ??
@@ -136,6 +145,52 @@ function SidebarNavItem({
   }, [isChildActive]);
 
   if (hasChildren) {
+    if (state === 'collapsed' && !isMobile) {
+      return (
+        <SidebarMenuItem>
+          <DropdownMenu>
+            <DropdownMenuTrigger asChild>
+              <SidebarMenuButton
+                isActive={isChildActive}
+                aria-label={item.title}
+              >
+                <item.icon />
+                <span>{item.title}</span>
+                <ChevronRight className="ml-auto" />
+              </SidebarMenuButton>
+            </DropdownMenuTrigger>
+            <DropdownMenuContent
+              side="right"
+              align="start"
+              sideOffset={8}
+              className="min-w-48"
+            >
+              <DropdownMenuLabel>{item.title}</DropdownMenuLabel>
+              <DropdownMenuSeparator />
+              {item.children?.map((child) =>
+                child.path ? (
+                  <DropdownMenuItem
+                    key={child.title}
+                    asChild
+                    className={
+                      isRouteActive(pathname, child.path)
+                        ? 'bg-accent text-accent-foreground'
+                        : undefined
+                    }
+                  >
+                    <Link href={child.path}>
+                      <child.icon />
+                      <span>{child.title}</span>
+                    </Link>
+                  </DropdownMenuItem>
+                ) : null,
+              )}
+            </DropdownMenuContent>
+          </DropdownMenu>
+        </SidebarMenuItem>
+      );
+    }
+
     return (
       <Collapsible
         asChild

src/components/data-table/TableHeader.tsx

@@ -16,7 +16,7 @@ import { getPinnedColumnStyles } from './columnStyles';
 
 const TableHeader = <TData, _>({ table }: { table: Table<TData> }) => {
   return (
-    <ShadTableHeader className="sticky top-0 z-20 bg-muted/70 backdrop-blur supports-backdrop-filter:bg-muted/60">
+    <ShadTableHeader className="sticky top-0 z-20 bg-muted">
       {table.getHeaderGroups().map((headerGroup) => (
         <TableRow key={headerGroup.id}>
           {headerGroup.headers.map((header) => {
@@ -39,7 +39,7 @@ const TableHeader = <TData, _>({ table }: { table: Table<TData> }) => {
                   canSort ? header.column.getToggleSortingHandler() : undefined
                 }
                 className={cn(
-                  'h-11 max-w-0 overflow-hidden border-b border-border bg-muted/70 px-4 text-sm font-semibold text-foreground transition-colors',
+                  'h-11 max-w-0 overflow-hidden border-b border-border bg-muted px-4 text-sm font-semibold text-foreground transition-colors',
                   canSort && 'cursor-pointer select-none hover:bg-muted',
                   sortDirection && 'bg-muted',
                 )}

src/components/data-table/index.tsx

@@ -41,7 +41,7 @@ export type ColumnAlign = 'left' | 'right';
 
 export interface DataTableAction<TData> {
   label: string | ((item: TData) => string);
-  icon: React.ReactNode;
+  icon: React.ReactNode | ((item: TData) => React.ReactNode);
   onClick: (item: TData) => void;
   permission?: PermissionInput;
   disabled?: (item: TData) => boolean;
@@ -163,6 +163,10 @@ function DataTableContent<TData, TValue>({
                   typeof action.label === 'function'
                     ? action.label(item)
                     : action.label;
+                const icon =
+                  typeof action.icon === 'function'
+                    ? action.icon(item)
+                    : action.icon;
 
                 return (
                   <TableActionButton
@@ -176,7 +180,7 @@ function DataTableContent<TData, TValue>({
                       action.onClick(item);
                     }}
                   >
-                    {action.icon}
+                    {icon}
                   </TableActionButton>
                 );
               })}

src/components/video/annotatedDetectionImage.tsx

@@ -41,11 +41,7 @@ export default function AnnotatedDetectionImage({
       ]
     : [];
 
-  const aspectRatio =
+  const aspectRatio = aspectRatioOverride ?? '16 / 9';
-    aspectRatioOverride ??
-    (videoWidth > 0 && videoHeight > 0
-      ? `${videoWidth} / ${videoHeight}`
-      : '16 / 9');
 
   const annotatedMedia = objectUrl ? (
     <>
@@ -75,14 +71,7 @@ export default function AnnotatedDetectionImage({
           className="group relative flex w-full cursor-zoom-in items-center justify-center overflow-hidden rounded-lg border bg-black focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2"
           style={{ aspectRatio }}
         >
-          <Image
+          {annotatedMedia}
-            src={objectUrl}
-            alt={`${detection.detection.display_name} detection`}
-            fill
-            unoptimized
-            sizes="(min-width: 1280px) 18rem, (min-width: 640px) 50vw, 100vw"
-            className="object-contain"
-          />
           <span className="pointer-events-none absolute inset-x-0 bottom-0 z-[3] bg-gradient-to-t from-black/70 to-transparent px-3 pb-2 pt-8 text-center text-xs font-medium text-white opacity-0 transition-opacity group-hover:opacity-100 group-focus-visible:opacity-100">
             Click to view annotated image
           </span>

src/services/api/video.service.ts

@@ -74,6 +74,7 @@ export const videoService = {
           skip: params?.skip ?? 0,
           limit: params?.limit ?? 1,
           assignment_id: params?.assignment_id,
+          assignment_status: params?.assignment_status,
           class_name: params?.class_name,
           proof_status: params?.proof_status,
           min_confidence: params?.min_confidence,

src/types/detection.ts

@@ -75,10 +75,13 @@ export type DetectionResultLog = DetectionResultItem & {
   };
 };
 
+export type AssignmentDetectionStatus = 'assigned' | 'unassigned';
+
 export type VideoDetectionsParams = {
   skip?: number;
   limit?: number;
   assignment_id?: number;
+  assignment_status?: AssignmentDetectionStatus;
   class_name?: string | string[];
   proof_status?: DetectionProofStatus;
   min_confidence?: number;
@@ -104,8 +107,6 @@ export type VideoDetectionsResponse = {
   items: DetectionResultItem[];
 };
 
-export type AssignmentDetectionStatus = 'assigned' | 'unassigned';
-
 export type TicketAssignmentDetectionsParams = {
   assignment_status?: AssignmentDetectionStatus;
   class_name?: string | string[];

src/types/ticket/events.ts

@@ -15,6 +15,7 @@ export type TicketTableStatusEvent = {
   chainage_name?: string | null;
   default_defect_class?: string | null;
   detection_count?: number;
+  is_closed?: boolean;
   created_by_name?: string | null;
   created_by_email?: string | null;
   created_at?: string;

src/types/ticket/list.ts

@@ -18,6 +18,7 @@ export interface TicketListItem {
   chainage_name: string | null;
   default_defect_class: string | null;
   detection_count: number;
+  is_closed: boolean;
   created_by_name: string | null;
   created_by_email: string | null;
   created_at: string;