feat(ticket): scope issue preview to selected assignment lot

src/app/(modules)/layout.tsx

@@ -13,11 +13,11 @@ const ModulesLayout = ({
     <AuthGuard>
       <SidebarProvider>
         <AppSidebar />
-        <main className="flex flex-1 h-screen w-full flex-col overflow-hidden">
+        <main className="flex h-screen min-w-0 flex-1 flex-col overflow-hidden">
-          <div className="scroll-stable flex-1 overflow-auto">
+          <div className="scroll-stable min-w-0 flex-1 overflow-auto">
-            <div className="mx-auto flex min-h-full w-full max-w-380 flex-col">
+            <div className="mx-auto flex min-h-full w-full min-w-0 max-w-380 flex-col">
               <ModuleShellHeader />
-              <div className="flex-1 p-6">{children}</div>
+              <div className="min-w-0 flex-1 p-6">{children}</div>
             </div>
           </div>
         </main>

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

@@ -0,0 +1,267 @@
+'use client';
+
+import { useEffect } from 'react';
+import { BriefcaseBusiness, CalendarClock, ListChecks } from 'lucide-react';
+
+import { PersonInfo } from '@/components/person-avatar';
+import { Badge } from '@/components/ui/badge';
+import { Button } from '@/components/ui/button';
+import {
+  Card,
+  CardContent,
+  CardDescription,
+  CardHeader,
+  CardTitle,
+} from '@/components/ui/card';
+import { Progress } from '@/components/ui/progress';
+import { getDefectVisual } from '@/constants/defectVisualConfig';
+import { cn } from '@/lib/utils';
+import type { TicketActor, TicketAssignmentSummary } from '@/types';
+import { formatDate } from '@/utils/date';
+
+import { useTicketAssignmentsQuery } from '../../hooks/useTicketQueries';
+
+interface TicketAssignmentsCardProps {
+  ticketId: string;
+  initialAssignments?: TicketAssignmentSummary[];
+  selectedAssignmentId?: number;
+  onAssignmentChange: (assignmentId: number) => void;
+}
+
+function formatLabel(value: string) {
+  return value
+    .replaceAll('_', ' ')
+    .replace(/\b\w/g, (character) => character.toUpperCase());
+}
+
+function AssignmentClassBadge({ className }: { className: string }) {
+  const visual = getDefectVisual(className);
+  const IssueIcon = visual.icon;
+
+  return (
+    <Badge
+      variant="outline"
+      className="h-6 gap-1.5 px-2 font-normal"
+      style={{
+        borderColor: `${visual.boundingBoxColor}66`,
+        backgroundColor: `${visual.boundingBoxColor}14`,
+        color: visual.boundingBoxColor,
+      }}
+    >
+      <IssueIcon />
+      {formatLabel(className)}
+    </Badge>
+  );
+}
+
+function AssignmentProgress({
+  assignment,
+}: {
+  assignment: TicketAssignmentSummary;
+}) {
+  const total = Math.max(assignment.item_count, 0);
+  const approved = Math.max(assignment.approved_detections, 0);
+  const progress = total > 0 ? Math.min((approved / total) * 100, 100) : 0;
+
+  return (
+    <div className="min-w-0 space-y-2">
+      <div className="flex min-w-0 flex-col gap-1 text-xs sm:flex-row sm:items-center sm:justify-between sm:gap-3">
+        <span className="font-medium text-foreground">Repair progress</span>
+        <span className="tabular-nums text-muted-foreground">
+          {approved} of {total} approved
+        </span>
+      </div>
+      <Progress value={assignment.is_complete ? 100 : progress} />
+      <div className="flex min-w-0 flex-wrap gap-x-4 gap-y-1 text-xs">
+        <span className="whitespace-nowrap text-emerald-600">
+          {assignment.approved_detections} approved
+        </span>
+        <span className="whitespace-nowrap text-amber-600">
+          {assignment.pending_detections} pending
+        </span>
+        <span className="whitespace-nowrap text-muted-foreground">
+          {assignment.not_submitted_detections} not submitted
+        </span>
+      </div>
+    </div>
+  );
+}
+
+function AssignmentLot({
+  assignment,
+}: {
+  assignment: TicketAssignmentSummary;
+}) {
+  const criteria = assignment.criteria;
+  const classNames = criteria?.class_names?.length
+    ? criteria.class_names
+    : assignment.defect_class
+      ? [assignment.defect_class]
+      : [];
+  const worker: TicketActor = {
+    user_id: assignment.assigned_to_user_id,
+    name: assignment.assigned_to_name,
+    email: assignment.assigned_to_email ?? null,
+    avatar_url: assignment.assigned_to_avatar_url ?? null,
+  };
+
+  return (
+    <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}
+        </p>
+        <PersonInfo person={worker} />
+      </div>
+
+      <div className="flex min-w-0 max-w-full flex-wrap items-center gap-2">
+        {classNames.map((className) => (
+          <AssignmentClassBadge key={className} className={className} />
+        ))}
+        <span className="flex items-center gap-1.5 text-xs text-muted-foreground">
+          <ListChecks className="size-3.5" />
+          {assignment.item_count}{' '}
+          {assignment.item_count === 1 ? 'issue' : 'issues'}
+        </span>
+        {assignment.due_at ? (
+          <span className="flex min-w-0 max-w-full items-center gap-1.5 text-xs text-muted-foreground">
+            <CalendarClock className="size-3.5" />
+            Due {formatDate(assignment.due_at)}
+          </span>
+        ) : null}
+      </div>
+
+      <AssignmentProgress assignment={assignment} />
+    </div>
+  );
+}
+
+export function TicketAssignmentsCard({
+  ticketId,
+  initialAssignments,
+  selectedAssignmentId,
+  onAssignmentChange,
+}: TicketAssignmentsCardProps) {
+  const assignmentsQuery = useTicketAssignmentsQuery(
+    ticketId,
+    initialAssignments,
+  );
+  const assignments = assignmentsQuery.data?.items ?? [];
+  const selectedAssignment =
+    assignments.find((assignment) => assignment.id === selectedAssignmentId) ??
+    assignments[0];
+  const activeAssignmentId = selectedAssignment
+    ? String(selectedAssignment.id)
+    : '';
+  const resolvedAssignmentId = selectedAssignment?.id;
+
+  useEffect(() => {
+    if (
+      resolvedAssignmentId !== undefined &&
+      resolvedAssignmentId !== selectedAssignmentId
+    ) {
+      onAssignmentChange(resolvedAssignmentId);
+    }
+  }, [onAssignmentChange, resolvedAssignmentId, selectedAssignmentId]);
+
+  return (
+    <Card className="min-w-0 max-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">
+              <BriefcaseBusiness className="size-5 text-primary" />
+              Assignment lots
+            </CardTitle>
+            <CardDescription className="mt-1">
+              Live ownership, criteria, and repair progress for this ticket.
+            </CardDescription>
+          </div>
+          {assignmentsQuery.data ? (
+            <Badge variant="secondary">{assignmentsQuery.data.total}</Badge>
+          ) : null}
+        </div>
+      </CardHeader>
+      <CardContent className="min-w-0 space-y-3 overflow-hidden px-3 sm:px-6">
+        {assignmentsQuery.isLoading ? (
+          Array.from({ length: 2 }).map((_, index) => (
+            <div
+              key={index}
+              className="h-40 animate-pulse rounded-lg bg-muted"
+            />
+          ))
+        ) : assignmentsQuery.isError ? (
+          <div className="rounded-lg border border-dashed p-6 text-center">
+            <p className="text-sm font-medium">
+              Unable to load assignment lots.
+            </p>
+            <Button
+              type="button"
+              variant="outline"
+              size="sm"
+              className="mt-3"
+              onClick={() => void assignmentsQuery.refetch()}
+            >
+              Try again
+            </Button>
+          </div>
+        ) : selectedAssignment ? (
+          <div className="min-w-0 space-y-3">
+            <nav
+              aria-label="Assignment lots"
+              className="w-full max-w-full overflow-x-auto overflow-y-hidden overscroll-x-contain touch-pan-x"
+            >
+              <div
+                role="tablist"
+                aria-orientation="horizontal"
+                className="flex w-max min-w-full border-b"
+              >
+                {assignments.map((assignment) => {
+                  const assignmentId = String(assignment.id);
+                  const isActive = assignmentId === activeAssignmentId;
+
+                  return (
+                    <button
+                      key={assignment.id}
+                      id={`assignment-tab-${assignmentId}`}
+                      type="button"
+                      role="tab"
+                      aria-selected={isActive}
+                      aria-controls={`assignment-panel-${assignmentId}`}
+                      tabIndex={isActive ? 0 : -1}
+                      className={cn(
+                        'relative shrink-0 px-3 py-2.5 text-sm font-medium whitespace-nowrap transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-inset',
+                        isActive
+                          ? 'text-foreground after:absolute after:inset-x-0 after:bottom-0 after:h-0.5 after:bg-foreground'
+                          : 'text-muted-foreground hover:text-foreground',
+                      )}
+                      onClick={() => onAssignmentChange(assignment.id)}
+                    >
+                      Lot {assignment.id}
+                    </button>
+                  );
+                })}
+              </div>
+            </nav>
+
+            <div
+              id={`assignment-panel-${activeAssignmentId}`}
+              role="tabpanel"
+              aria-labelledby={`assignment-tab-${activeAssignmentId}`}
+              className="min-w-0"
+            >
+              <AssignmentLot assignment={selectedAssignment} />
+            </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="mt-1 text-sm text-muted-foreground">
+              Assignment lots will appear here after work is allocated.
+            </p>
+          </div>
+        )}
+      </CardContent>
+    </Card>
+  );
+}

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

@@ -13,15 +13,14 @@ import { cn } from '@/lib/utils';
 
 import {
   useDiscardDetectionMutation,
-  useTicketClassDetectionsQuery,
+  useTicketDetectionsQuery,
 } from '../../hooks/useTicketQueries';
 import { DetectionDiscardDialog } from './DetectionDiscardDialog';
 
 interface TicketClassDetectionPreviewProps {
   ticketId: string;
   videoId?: string | null;
-  defectClassName: string;
+  assignmentId?: number;
-  displayName: string;
   totalCount?: number;
 }
 
@@ -96,41 +95,45 @@ function TicketClassDetectionPreviewSkeleton() {
 export function TicketClassDetectionPreview({
   ticketId,
   videoId,
-  defectClassName,
+  assignmentId,
-  displayName,
   totalCount,
 }: TicketClassDetectionPreviewProps) {
   const [currentIndex, setCurrentIndex] = useState(0);
   const [isDiscardDialogOpen, setIsDiscardDialogOpen] = useState(false);
-  const visual = getDefectVisual(defectClassName);
-  const IssueIcon = visual.icon;
 
   useEffect(() => {
     setCurrentIndex(0);
-  }, [defectClassName]);
+  }, [assignmentId, videoId]);
 
   const queryParams = useMemo(
     () => ({
-      class_name: defectClassName,
       skip: currentIndex,
       limit: 1,
+      assignment_id: assignmentId,
       sort: 'timestamp_asc',
     }),
-    [currentIndex, defectClassName],
+    [assignmentId, currentIndex],
   );
 
-  const detectionsQuery = useTicketClassDetectionsQuery(
+  const detectionsQuery = useTicketDetectionsQuery(
     videoId ?? undefined,
     queryParams,
   );
+  const detectionResult = detectionsQuery.data;
+  const activeDetection = detectionResult?.items[0];
+  const detectionCount =
+    detectionResult?.total ?? (assignmentId ? 0 : (totalCount ?? 0));
+  const activeVisual = getDefectVisual(
+    activeDetection?.detection.class_name ?? '',
+  );
+  const ActiveIssueIcon = activeVisual.icon;
+  const activeDisplayName =
+    activeDetection?.detection.display_name ?? 'Detection';
   const discardMutation = useDiscardDetectionMutation(
     ticketId,
     videoId ?? undefined,
-    defectClassName,
+    activeDetection?.detection.class_name,
   );
-  const detectionResult = detectionsQuery.data;
-  const activeDetection = detectionResult?.items[0];
-  const detectionCount = detectionResult?.total ?? totalCount ?? 0;
 
   useEffect(() => {
     if (detectionCount === 0 && currentIndex !== 0) {
@@ -153,27 +156,22 @@ export function TicketClassDetectionPreview({
           <span
             className={cn(
               'flex size-10 shrink-0 self-start items-center justify-center rounded-lg',
-              visual.cardClassName,
+              activeVisual.cardClassName,
             )}
           >
-            <IssueIcon className={cn('size-5', visual.colorClassName)} />
+            <ActiveIssueIcon
+              className={cn('size-5', activeVisual.colorClassName)}
+            />
           </span>
           <div className="min-w-0 space-y-1">
             <div className="flex min-w-0 flex-wrap items-center gap-2">
-              <h3>{displayName}</h3>
+              <h3>{activeDisplayName}</h3>
-              <Badge
+              <Badge variant="secondary" className="rounded-lg">
-                variant="secondary"
-                className={cn(
-                  'rounded-lg',
-                  visual.cardClassName,
-                  visual.colorClassName,
-                )}
-              >
                 {detectionCount} Detections
               </Badge>
             </div>
             <p className="text-muted-foreground">
-              Review detections in ascending timestamp order.
+              Review all detections in ascending timestamp order.
             </p>
           </div>
         </div>
@@ -258,7 +256,7 @@ export function TicketClassDetectionPreview({
               className="min-w-0"
               latitude={activeDetection.location.latitude}
               longitude={activeDetection.location.longitude}
-              label={`${displayName} - Frame ${activeDetection.frame.number}`}
+              label={`${activeDetection.detection.display_name} - Frame ${activeDetection.frame.number}`}
               title="Location on Map"
               variant="plain"
               aspectRatio="16 / 9"

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

@@ -1,14 +1,9 @@
 'use client';
 
-import { useEffect, useMemo, useState } from 'react';
+import { useEffect } from 'react';
 import { usePathname, useRouter, useSearchParams } from 'next/navigation';
-import { Component, ListChecks } from 'lucide-react';
 
-import { Badge } from '@/components/ui/badge';
 import { Card, CardContent } from '@/components/ui/card';
-import { Tabs, TabsList, TabsTrigger } from '@/components/ui/tabs';
-import { DEFECT_CLASS_STATUS_CONFIG } from '@/constants/defectClassStatus';
-import { cn } from '@/lib/utils';
 import type { TicketOverviewDetail } from '@/types';
 
 import { useTicketDefectClassesQuery } from '../../hooks/useTicketQueries';
@@ -17,148 +12,59 @@ import { TicketClassDetectionPreview } from './TicketClassDetectionPreview';
 interface TicketDefectClassTabsProps {
   ticketId: string;
   ticket?: TicketOverviewDetail;
+  assignmentId?: number;
 }
 
 export function TicketDefectClassTabs({
   ticketId,
   ticket,
+  assignmentId,
 }: TicketDefectClassTabsProps) {
   const router = useRouter();
   const pathname = usePathname();
   const searchParams = useSearchParams();
   const defectClassParam = searchParams.get('defect_class');
   const defectClassesQuery = useTicketDefectClassesQuery(ticketId);
-  const defectClasses = useMemo(
-    () => defectClassesQuery.data?.defect_classes ?? [],
-    [defectClassesQuery.data?.defect_classes],
-  );
-  const [selectedClass, setSelectedClass] = useState<string>();
 
   useEffect(() => {
+    const defectClasses = defectClassesQuery.data?.defect_classes ?? [];
+
     if (!defectClasses.length) return;
 
     const hasUrlClass = defectClasses.some(
       (item) => item.class_name === defectClassParam,
     );
 
-    if (hasUrlClass) {
+    if (hasUrlClass) return;
-      setSelectedClass(defectClassParam ?? undefined);
-      return;
-    }
 
     const firstClass = defectClasses[0].class_name;
     const nextParams = new URLSearchParams(searchParams.toString());
     nextParams.set('defect_class', firstClass);
-    setSelectedClass(firstClass);
     router.replace(`${pathname}?${nextParams.toString()}`, { scroll: false });
-  }, [defectClassParam, defectClasses, pathname, router, searchParams]);
+  }, [
+    defectClassParam,
+    defectClassesQuery.data?.defect_classes,
+    pathname,
+    router,
+    searchParams,
+  ]);
 
-  const handleClassChange = (className: string) => {
-    const nextParams = new URLSearchParams(searchParams.toString());
-
-    nextParams.set('defect_class', className);
-    setSelectedClass(className);
-    router.replace(`${pathname}?${nextParams.toString()}`, { scroll: false });
-  };
-  const selectedIssue = ticket?.ai_result.detections_by_class.find(
-    (item) => item.class_name === selectedClass,
-  );
-  const selectedClassItem = defectClasses.find(
-    (item) => item.class_name === selectedClass,
-  );
-  const previewDisplayName =
-    selectedIssue?.display_name ??
-    selectedClassItem?.display_name ??
-    selectedClass ??
-    'Detection';
   const previewVideoId = ticket?.video_id ?? defectClassesQuery.data?.video_id;
 
-  if (defectClassesQuery.isLoading) {
+  if (!previewVideoId) return null;
-    return (
-      <Card className="w-full rounded-lg">
-        <CardContent className="space-y-4 p-5">
-          <div className="h-5 w-24 animate-pulse rounded-lg bg-muted" />
-          <div className="flex flex-col gap-2">
-            {Array.from({ length: 3 }).map((_, index) => (
-              <div
-                key={index}
-                className="h-11 w-full animate-pulse rounded-lg bg-muted"
-              />
-            ))}
-          </div>
-        </CardContent>
-      </Card>
-    );
-  }
-
-  if (defectClassesQuery.isError || !defectClasses.length || !selectedClass) {
-    return null;
-  }
 
   return (
-    <Tabs
-      value={selectedClass}
-      onValueChange={handleClassChange}
-      orientation="vertical"
-      className="w-full"
-    >
     <Card className="w-full">
-        <CardContent className="grid gap-0 p-0 lg:grid-cols-[minmax(220px,280px)_1fr] lg:divide-x lg:divide-border">
+      <CardContent className="p-5">
-          <div className="space-y-4 px-5">
+        <div className="min-w-0">
-            <div className="flex items-center gap-2">
-              <ListChecks className="size-5 shrink-0 text-primary" />
-              <h2 className="text-base font-semibold">Detected Issues</h2>
-              <Badge
-                variant="secondary"
-                className="min-w-5 min-h-5 justify-center rounded-full"
-              >
-                {defectClasses.length}
-              </Badge>
-            </div>
-
-            <TabsList className="flex h-auto w-full flex-col items-stretch gap-2 bg-transparent p-0">
-              {defectClasses.map((item) => {
-                const statusConfig =
-                  DEFECT_CLASS_STATUS_CONFIG[item.assignment_status];
-
-                return (
-                  <TabsTrigger
-                    key={item.class_name}
-                    value={item.class_name}
-                    className={cn(
-                      'group h-auto w-full flex-none items-center justify-between! gap-2 rounded-lg border bg-muted/30 px-3 py-2.5 text-sm text-muted-foreground shadow-none after:hidden',
-                      'data-[state=active]:bg-muted data-[state=active]:text-foreground',
-                    )}
-                  >
-                    <span className="min-w-0 truncate text-left font-medium">
-                      {item.display_name}
-                    </span>
-                    <Badge
-                      className={cn(
-                        'shrink-0 rounded-full',
-                        statusConfig.badgeClassName,
-                      )}
-                    >
-                      <Component className="size-3" />
-                      {statusConfig.label}
-                    </Badge>
-                  </TabsTrigger>
-                );
-              })}
-            </TabsList>
-          </div>
-
-          <div className="min-w-0 px-5">
           <TicketClassDetectionPreview
             ticketId={ticketId}
             videoId={previewVideoId}
-              defectClassName={selectedClass}
+            assignmentId={assignmentId}
-              displayName={previewDisplayName}
+            totalCount={ticket?.ai_result.detection_count}
-              totalCount={selectedIssue?.count}
           />
         </div>
       </CardContent>
     </Card>
-    </Tabs>
   );
 }

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

@@ -6,14 +6,17 @@ import { useRouter } from 'next/navigation';
 import { Button } from '@/components/ui/button';
 import { PERMISSIONS } from '@/constants/permissions';
 import { PermissionGuard } from '@/guards';
-import type { TicketOverviewDetail } from '@/types';
+import type { TicketDetail, TicketOverviewDetail } from '@/types';
 
 import { AssignTicketAction } from './actions/AssignTicketAction';
+import { OpenRepairReviewAction } from './actions/OpenRepairReviewAction';
 
 export function TicketDetailHeader({
   ticket,
+  classDetail,
 }: {
   ticket: TicketOverviewDetail;
+  classDetail?: TicketDetail;
 }) {
   const router = useRouter();
   const ticketLabel = ticket.ticket_name || ticket.id;
@@ -26,6 +29,11 @@ export function TicketDetailHeader({
       </div>
 
       <div className="flex shrink-0 items-center gap-2">
+        {classDetail?.assignment_status === 'under_review' ? (
+          <PermissionGuard permissions={PERMISSIONS.TICKET.REVIEW}>
+            <OpenRepairReviewAction ticket={classDetail} />
+          </PermissionGuard>
+        ) : null}
         <PermissionGuard permissions={PERMISSIONS.TICKET.ASSIGN}>
           <AssignTicketAction ticketId={ticket.id} />
         </PermissionGuard>

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

@@ -2,25 +2,24 @@
 
 import { PERMISSIONS } from '@/constants/permissions';
 import { PermissionGuard } from '@/guards';
-import type { TicketDetail } from '@/types';
+import type { TicketAssignmentSummary, TicketDetail } from '@/types';
 
 import { AssignedContractorAction } from './actions/AssignedContractorAction';
 import { ClosedTicketAction } from './actions/ClosedTicketAction';
 import { NoTicketAction } from './actions/NoTicketAction';
-import { OpenRepairReviewAction } from './actions/OpenRepairReviewAction';
 import { RequestExtensionAction } from './actions/RequestExtensionAction';
 import { ReviewExtensionRequestAction } from './actions/ReviewExtensionRequestAction';
 
 interface TicketStatusActionsProps {
   ticket: TicketDetail;
+  assignment?: TicketAssignmentSummary;
 }
 
-function getTicketAction(ticket: TicketDetail) {
+function getTicketAction(
-  if (ticket.assignment_status === 'unassigned') {
+  ticket: TicketDetail,
-    return null;
+  assignment?: TicketAssignmentSummary,
-  }
+) {
-
+  if (assignment && !assignment.is_complete) {
-  if (ticket.assignment_status === 'assigned') {
     return (
       <PermissionGuard
         permissions={PERMISSIONS.TICKET.ASSIGN}
@@ -29,29 +28,46 @@ function getTicketAction(ticket: TicketDetail) {
             permissions={PERMISSIONS.TICKET.WORK}
             fallback={<NoTicketAction />}
           >
-            <RequestExtensionAction ticket={ticket} />
+            <RequestExtensionAction
+              ticket={ticket}
+              assignmentId={assignment.id}
+              dueAt={assignment.due_at}
+            />
           </PermissionGuard>
         }
       >
         <>
+          {ticket.assignment_status === 'assigned' ? (
             <AssignedContractorAction ticket={ticket} />
-          <ReviewExtensionRequestAction ticket={ticket} />
+          ) : null}
+          <ReviewExtensionRequestAction
+            ticket={ticket}
+            assignmentId={assignment.id}
+          />
         </>
       </PermissionGuard>
     );
   }
 
-  if (ticket.assignment_status === 'under_review') {
+  if (ticket.assignment_status === 'unassigned') {
+    return null;
+  }
+
+  if (ticket.assignment_status === 'assigned') {
     return (
       <PermissionGuard
-        permissions={PERMISSIONS.TICKET.REVIEW}
+        permissions={PERMISSIONS.TICKET.ASSIGN}
         fallback={<NoTicketAction />}
       >
-        <OpenRepairReviewAction ticket={ticket} />
+        <AssignedContractorAction ticket={ticket} />
       </PermissionGuard>
     );
   }
 
+  if (ticket.assignment_status === 'under_review') {
+    return null;
+  }
+
   if (
     ticket.assignment_status === 'approved' ||
     ticket.assignment_status === 'rejected'
@@ -62,8 +78,11 @@ function getTicketAction(ticket: TicketDetail) {
   return <NoTicketAction />;
 }
 
-export function TicketStatusActions({ ticket }: TicketStatusActionsProps) {
+export function TicketStatusActions({
-  const action = getTicketAction(ticket);
+  ticket,
+  assignment,
+}: TicketStatusActionsProps) {
+  const action = getTicketAction(ticket, assignment);
 
   return action ? <div className="space-y-3">{action}</div> : null;
 }

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

@@ -1,37 +1,24 @@
 'use client';
 
 import { useRouter } from 'next/navigation';
-import { ArrowRight, ClipboardCheck } from 'lucide-react';
+import { ClipboardCheck } from 'lucide-react';
 
 import { Button } from '@/components/ui/button';
 import type { TicketDetail } from '@/types';
 import { ROUTES } from '@/utils/routes';
 
-import { TicketActionCard } from './TicketActionCard';
-
 export function OpenRepairReviewAction({ ticket }: { ticket: TicketDetail }) {
   const router = useRouter();
 
   return (
-    <TicketActionCard icon={ClipboardCheck} title="Review Submitted Repairs">
-      <div className="space-y-4">
-        <p className="text-sm leading-relaxed text-muted-foreground">
-          Review every submitted repair separately using its detection image,
-          location, and repair proof.
-        </p>
     <Button
       type="button"
-          className="w-full"
       onClick={() =>
-            router.push(
+        router.push(ROUTES.TICKET_CLASS_REVIEW(ticket.id, ticket.defect_class))
-              ROUTES.TICKET_CLASS_REVIEW(ticket.id, ticket.defect_class),
-            )
       }
     >
-          Open Issue Review
+      <ClipboardCheck />
-          <ArrowRight />
+      Review Repairs
     </Button>
-      </div>
-    </TicketActionCard>
   );
 }

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

@@ -5,10 +5,22 @@ import type { TicketDetail } from '@/types';
 import { TicketActionCard } from './TicketActionCard';
 import { TicketExtensionRequestPanel } from './TicketExtensionRequestPanel';
 
-export function RequestExtensionAction({ ticket }: { ticket: TicketDetail }) {
+export function RequestExtensionAction({
+  ticket,
+  assignmentId,
+  dueAt,
+}: {
+  ticket: TicketDetail;
+  assignmentId: number;
+  dueAt: string | null;
+}) {
   return (
     <TicketActionCard icon={Clock3} title="Request Extension">
-      <TicketExtensionRequestPanel ticket={ticket} />
+      <TicketExtensionRequestPanel
+        ticket={ticket}
+        assignmentId={assignmentId}
+        dueAt={dueAt}
+      />
     </TicketActionCard>
   );
 }

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

@@ -16,10 +16,15 @@ const MAX_REASON_LENGTH = 300;
 
 interface RequestExtensionFormProps {
   ticket: TicketDetail;
+  assignmentId: number;
+  currentDueAt: string | null;
 }
 
-export function RequestExtensionForm({ ticket }: RequestExtensionFormProps) {
+export function RequestExtensionForm({
-  const currentDueAt = ticket.worker?.due_at;
+  ticket,
+  assignmentId,
+  currentDueAt,
+}: RequestExtensionFormProps) {
   const currentDueDate = useMemo(
     () => (currentDueAt ? new Date(currentDueAt) : undefined),
     [currentDueAt],
@@ -36,7 +41,6 @@ export function RequestExtensionForm({ ticket }: RequestExtensionFormProps) {
   );
   const [requestedDueDate, setRequestedDueDate] = useState<Date>();
   const [reason, setReason] = useState('');
-  const assignmentId = ticket.worker?.assignment_id;
   const requestExtensionMutation = useRequestTicketExtensionMutation(
     ticket.id,
     assignmentId,
@@ -48,10 +52,7 @@ export function RequestExtensionForm({ ticket }: RequestExtensionFormProps) {
     (!currentDueDate || requestedDueDate.getTime() > currentDueDate.getTime()),
   );
   const canSubmit =
-    Boolean(assignmentId) &&
+    isRequestedDateValid && Boolean(reason.trim()) && !isPending;
-    isRequestedDateValid &&
-    Boolean(reason.trim()) &&
-    !isPending;
 
   const handleSubmit = async () => {
     if (!requestedDueDate || !canSubmit) return;

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

@@ -77,16 +77,17 @@ function Requester({ request }: { request: TicketExtensionRequest }) {
 
 function ExtensionReviewForm({
   ticket,
+  assignmentId,
   request,
 }: {
   ticket: TicketDetail;
+  assignmentId: number;
   request: TicketExtensionRequest;
 }) {
   const [note, setNote] = useState('');
   const [selectedAction, setSelectedAction] = useState<
     'approve' | 'reject' | null
   >(null);
-  const assignmentId = ticket.worker?.assignment_id as number;
   const reviewMutation = useReviewTicketExtensionMutation(
     ticket.id,
     assignmentId,
@@ -197,16 +198,17 @@ function ExtensionReviewForm({
 
 export function ReviewExtensionRequestAction({
   ticket,
+  assignmentId,
 }: {
   ticket: TicketDetail;
+  assignmentId: number;
 }) {
-  const assignmentId = ticket.worker?.assignment_id;
   const extensionRequestQuery = useTicketExtensionRequestQuery(
     ticket.id,
     assignmentId,
   );
 
-  if (!assignmentId || extensionRequestQuery.isError) {
+  if (extensionRequestQuery.isError) {
     return null;
   }
 
@@ -227,5 +229,11 @@ export function ReviewExtensionRequestAction({
 
   if (!pendingRequest) return null;
 
-  return <ExtensionReviewForm ticket={ticket} request={pendingRequest} />;
+  return (
+    <ExtensionReviewForm
+      ticket={ticket}
+      assignmentId={assignmentId}
+      request={pendingRequest}
+    />
+  );
 }

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

@@ -187,23 +187,18 @@ function ExtensionRequestDetails({
 
 export function TicketExtensionRequestPanel({
   ticket,
+  assignmentId,
+  dueAt,
 }: {
   ticket: TicketDetail;
+  assignmentId: number;
+  dueAt: string | null;
 }) {
-  const assignmentId = ticket.worker?.assignment_id;
   const extensionRequestQuery = useTicketExtensionRequestQuery(
     ticket.id,
     assignmentId,
   );
 
-  if (!assignmentId) {
-    return (
-      <div className="rounded-lg border border-dashed p-4 text-sm text-muted-foreground">
-        No active assignment is available for this ticket.
-      </div>
-    );
-  }
-
   if (extensionRequestQuery.isLoading) {
     return (
       <div className="flex min-h-40 items-center justify-center text-muted-foreground">
@@ -237,7 +232,13 @@ export function TicketExtensionRequestPanel({
     : null;
 
   if (!latestRequest) {
-    return <RequestExtensionForm ticket={ticket} />;
+    return (
+      <RequestExtensionForm
+        ticket={ticket}
+        assignmentId={assignmentId}
+        currentDueAt={dueAt}
+      />
+    );
   }
 
   return <ExtensionRequestDetails request={latestRequest} />;

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

@@ -1,5 +1,6 @@
 'use client';
 
+import { useState } from 'react';
 import { useParams, useRouter, useSearchParams } from 'next/navigation';
 import { ArrowLeft } from 'lucide-react';
 
@@ -16,11 +17,13 @@ import {
 } from './components/TicketClassDetailSkeleton';
 
 import { TicketHistoryCard } from './components/TicketHistoryCard';
+import { TicketAssignmentsCard } from './components/TicketAssignmentsCard';
 import { TicketOverviewCard } from './components/TicketOverviewCard';
 import { TicketStatusActions } from './components/TicketStatusActions';
 import { TicketDefectClassTabs } from './components/TicketDefectClassTabs';
 import { useTicketDetailEvents } from '../hooks/useTicketDetailEvents';
 import {
+  useTicketAssignmentsQuery,
   useTicketClassDetailQuery,
   useTicketOverviewQuery,
 } from '../hooks/useTicketQueries';
@@ -30,11 +33,21 @@ export default function TicketDetailPage() {
   const searchParams = useSearchParams();
   const { ticketId } = useParams() as { ticketId: string };
   const defectClass = searchParams.get('defect_class') ?? undefined;
+  const [selectedAssignmentId, setSelectedAssignmentId] = useState<number>();
 
   const overviewQuery = useTicketOverviewQuery(ticketId);
-  const classDetailQuery = useTicketClassDetailQuery(ticketId, defectClass);
   const overview = overviewQuery.data;
+  const assignmentsQuery = useTicketAssignmentsQuery(
+    ticketId,
+    overview?.assignments,
+  );
+  const classDetailQuery = useTicketClassDetailQuery(ticketId, defectClass);
   const classDetail = classDetailQuery.data;
+  const assignments = assignmentsQuery.data?.items ?? [];
+  const activeAssignmentId = selectedAssignmentId ?? assignments[0]?.id;
+  const activeAssignment = assignments.find(
+    (assignment) => assignment.id === activeAssignmentId,
+  );
   const isClassDetailLoading = Boolean(
     defectClass && classDetailQuery.isLoading,
   );
@@ -58,33 +71,48 @@ export default function TicketDetailPage() {
   }
 
   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">
+    <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} classDetail={classDetail} />
         ) : (
           <TicketOverviewHeaderSkeleton />
         )}
       </div>
 
-      <div className="grid items-start gap-5 xl:min-h-0 xl:flex-1 xl:grid-cols-[minmax(0,7fr)_minmax(0,3fr)] xl:items-stretch xl:overflow-hidden">
+      <div className="grid min-w-0 items-start gap-5 xl:min-h-0 xl:flex-1 xl:grid-cols-[minmax(0,7fr)_minmax(0,3fr)] xl:items-stretch xl:overflow-hidden">
-        <div className="space-y-5 xl:min-h-0 xl:overflow-y-auto xl:overscroll-contain xl:pr-2">
+        <div className="min-w-0 space-y-5 xl:min-h-0 xl:overflow-y-auto xl:overscroll-contain xl:pr-2">
           {overview ? (
             <TicketOverviewCard ticket={overview} />
           ) : (
             <TicketOverviewCardSkeleton />
           )}
-          <TicketDefectClassTabs ticketId={ticketId} ticket={overview} />
+          {overview ? (
+            <TicketAssignmentsCard
+              ticketId={ticketId}
+              initialAssignments={overview.assignments}
+              selectedAssignmentId={activeAssignmentId}
+              onAssignmentChange={setSelectedAssignmentId}
+            />
+          ) : null}
+          <TicketDefectClassTabs
+            ticketId={ticketId}
+            ticket={overview}
+            assignmentId={activeAssignmentId}
+          />
           {isClassDetailLoading ? <TicketClassContentSkeleton /> : null}
           {!isClassDetailLoading && classDetail ? (
             <TicketHistoryCard ticket={classDetail} />
           ) : null}
         </div>
 
-        <div className="space-y-3 self-start xl:min-h-0 xl:self-stretch xl:overflow-y-auto xl:overscroll-contain xl:pr-2">
+        <div className="min-w-0 space-y-3 self-start xl:min-h-0 xl:self-stretch xl:overflow-y-auto xl:overscroll-contain xl:pr-2">
           {isClassDetailLoading ? <TicketClassActionsSkeleton /> : null}
           {!isClassDetailLoading && classDetail ? (
-            <TicketStatusActions ticket={classDetail} />
+            <TicketStatusActions
+              ticket={classDetail}
+              assignment={activeAssignment}
+            />
           ) : null}
         </div>
       </div>

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

@@ -32,6 +32,9 @@ export function useTicketDetailEvents(
     if (!ticketId) return;
 
     queryClient.refetchQueries({ queryKey: ticketKeys.overview(ticketId) });
+    queryClient.refetchQueries({
+      queryKey: ticketKeys.assignments(ticketId),
+    });
     if (defectClassRef.current) {
       queryClient.refetchQueries({
         queryKey: ticketKeys.classDetail(ticketId, defectClassRef.current),

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

@@ -19,6 +19,7 @@ import type {
   ReviewDetectionRepairProofPayload,
   ReviewTicketExtensionPayload,
   TicketDetail,
+  TicketAssignmentSummary,
   TicketListParams,
   DetectionProofStatus,
   VideoDetectionsParams,
@@ -92,6 +93,25 @@ export function useTicketDefectClassesQuery(ticketId: string | undefined) {
   });
 }
 
+export function useTicketAssignmentsQuery(
+  ticketId: string | undefined,
+  initialAssignments?: TicketAssignmentSummary[],
+) {
+  return useQuery({
+    queryKey: ticketKeys.assignments(ticketId ?? ''),
+    queryFn: () => ticketService.getTicketAssignments(ticketId as string),
+    enabled: Boolean(ticketId),
+    initialData:
+      initialAssignments !== undefined
+        ? {
+            items: initialAssignments,
+            total: initialAssignments.length,
+          }
+        : undefined,
+    staleTime: 30 * 1000,
+  });
+}
+
 export function useTicketDetectionsQuery(
   videoId: string | undefined,
   params: VideoDetectionsParams,
@@ -100,12 +120,14 @@ export function useTicketDetectionsQuery(
     () => ({
       skip: params.skip ?? 0,
       limit: params.limit ?? 1,
+      assignment_id: params.assignment_id,
       class_name: params.class_name,
       min_confidence: params.min_confidence,
       sort: params.sort ?? 'timestamp_asc',
       search: params.search,
     }),
     [
+      params.assignment_id,
       params.class_name,
       params.limit,
       params.min_confidence,
@@ -200,7 +222,7 @@ export function useTicketClassReviewDetectionsQuery(
 export function useDiscardDetectionMutation(
   ticketId: string,
   videoId: string | undefined,
-  defectClass: string,
+  defectClass?: string,
 ) {
   const queryClient = useQueryClient();
 
@@ -224,13 +246,20 @@ export function useDiscardDetectionMutation(
         queryClient.invalidateQueries({
           queryKey: ticketKeys.overview(ticketId),
         }),
+        ...(defectClass
+          ? [
               queryClient.invalidateQueries({
                 queryKey: ticketKeys.classDetail(ticketId, defectClass),
               }),
+            ]
+          : []),
         queryClient.invalidateQueries({
           queryKey: ticketKeys.defectClasses(ticketId),
         }),
         queryClient.invalidateQueries({ queryKey: ticketKeys.lists() }),
+        queryClient.invalidateQueries({
+          queryKey: ticketKeys.assignments(ticketId),
+        }),
       ]);
     },
     onError: () => toast.error('Failed to discard detection'),
@@ -376,6 +405,9 @@ export function useRequestTicketExtensionMutation(
       queryClient.invalidateQueries({
         queryKey: ticketKeys.classDetail(ticketId, defectClass),
       });
+      queryClient.invalidateQueries({
+        queryKey: ticketKeys.assignments(ticketId),
+      });
       queryClient.invalidateQueries({ queryKey: ticketKeys.lists() });
     },
     onError: () => toast.error('Failed to request an extension'),
@@ -403,6 +435,9 @@ export function useReviewTicketExtensionMutation(
       queryClient.invalidateQueries({
         queryKey: ticketKeys.classDetail(ticketId, defectClass),
       });
+      queryClient.invalidateQueries({
+        queryKey: ticketKeys.assignments(ticketId),
+      });
       queryClient.invalidateQueries({ queryKey: ticketKeys.lists() });
     },
     onError: () => toast.error('Failed to review extension request'),

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

@@ -39,6 +39,8 @@ export const ticketKeys = {
     ] as const,
   defectClasses: (ticketId: string) =>
     [...ticketKeys.details(), ticketId, 'defect-classes'] as const,
+  assignments: (ticketId: string) =>
+    [...ticketKeys.details(), ticketId, 'assignments'] as const,
   extensionRequest: (ticketId: string, assignmentId: number | undefined) =>
     [
       ...ticketKeys.details(),

src/services/api/ticket.service.ts

@@ -9,6 +9,8 @@ import type {
   ReviewTicketExtensionPayload,
   SseTokenResponse,
   TicketDetail,
+  TicketAssignmentSummary,
+  TicketAssignmentsResponse,
   TicketExtensionRequestsResponse,
   TicketOverviewDetail,
   TicketDefectClassesResponse,
@@ -16,6 +18,14 @@ import type {
   TicketListResponse,
 } from '@/types';
 
+type TicketAssignmentsApiResponse =
+  | TicketAssignmentSummary[]
+  | TicketAssignmentsResponse
+  | {
+      assignments: TicketAssignmentSummary[];
+      total?: number;
+    };
+
 export const ticketService = {
   getTickets: async (
     params?: TicketListParams,
@@ -80,14 +90,36 @@ export const ticketService = {
   assignTicket: async (
     ticketId: string,
     payload: AssignTicketPayload,
-  ): Promise<TicketDetail> => {
+  ): Promise<TicketAssignmentSummary> => {
-    const response = await axiosClient.post<TicketDetail>(
+    const response = await axiosClient.post<TicketAssignmentSummary>(
       API_ROUTES.TICKETS.ASSIGNMENTS(ticketId),
       payload,
     );
     return response.data;
   },
 
+  getTicketAssignments: async (
+    ticketId: string,
+  ): Promise<TicketAssignmentsResponse> => {
+    const response = await axiosClient.get<TicketAssignmentsApiResponse>(
+      API_ROUTES.TICKETS.ASSIGNMENTS(ticketId),
+    );
+    const data = response.data;
+
+    if (Array.isArray(data)) {
+      return { items: data, total: data.length };
+    }
+
+    if ('assignments' in data) {
+      return {
+        items: data.assignments,
+        total: data.total ?? data.assignments.length,
+      };
+    }
+
+    return data;
+  },
+
   requestTicketExtension: async (
     ticketId: string,
     assignmentId: number,

src/services/api/video.service.ts

@@ -73,6 +73,7 @@ export const videoService = {
         params: {
           skip: params?.skip ?? 0,
           limit: params?.limit ?? 1,
+          assignment_id: params?.assignment_id,
           class_name: params?.class_name,
           proof_status: params?.proof_status,
           min_confidence: params?.min_confidence,

src/types/detection.ts

@@ -110,6 +110,7 @@ export type DetectionResultLog = DetectionResultItem & {
 export type VideoDetectionsParams = {
   skip?: number;
   limit?: number;
+  assignment_id?: number;
   class_name?: string | string[];
   proof_status?: DetectionProofStatus;
   min_confidence?: number;

src/types/ticket/actions.ts

@@ -23,11 +23,12 @@ export interface AssignableTicketUsersResponse {
 }
 
 export interface TicketAssignmentCriteria {
-  class_names?: string[];
+  class_names?: string[] | null;
-  start_lat?: number;
+  start_lat?: number | null;
-  start_lng?: number;
+  start_lng?: number | null;
-  end_lat?: number;
+  end_lat?: number | null;
-  end_lng?: number;
+  end_lng?: number | null;
+  min_confidence?: number | null;
 }
 
 export interface AssignTicketPayload {

src/types/ticket/detail.ts

@@ -1,5 +1,6 @@
 import type { TicketDefectClassTicketStatus } from './defect-class';
 import type { TicketStatus } from './status';
+import type { TicketAssignmentCriteria } from './actions';
 
 export interface TicketActor {
   user_id: number | null;
@@ -114,6 +115,28 @@ export interface TicketDetectionClassCount {
   count: number;
 }
 
+export interface TicketAssignmentSummary {
+  id: number;
+  assigned_to_user_id: number;
+  assigned_to_name: string | null;
+  assigned_to_email?: string | null;
+  assigned_to_avatar_url?: string | null;
+  defect_class: string | null;
+  criteria: TicketAssignmentCriteria | null;
+  item_count: number;
+  approved_detections: number;
+  pending_detections: number;
+  not_submitted_detections: number;
+  is_complete: boolean;
+  due_at: string | null;
+  note?: string | null;
+}
+
+export interface TicketAssignmentsResponse {
+  items: TicketAssignmentSummary[];
+  total: number;
+}
+
 export interface TicketOverviewDetail {
   id: string;
   ticket_name?: string | null;
@@ -134,6 +157,7 @@ export interface TicketOverviewDetail {
     available_defect_classes: string[];
     detections_by_class: TicketDetectionClassCount[];
   };
+  assignments?: TicketAssignmentSummary[];
   timestamps?: TicketTimestamps | null;
 }