feat(extension-requests): add manager queue with quick decisions

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

@@ -0,0 +1,155 @@
+'use client';
+
+import { useMemo } from 'react';
+import type { ColumnDef } from '@tanstack/react-table';
+
+import { Badge } from '@/components/ui/badge';
+import { cn } from '@/lib/utils';
+import type {
+  TicketExtensionRequest,
+  TicketExtensionRequestStatus,
+} from '@/types';
+import { formatDate } from '@/utils/date';
+
+const statusConfig: Record<
+  TicketExtensionRequestStatus,
+  { label: string; className: string }
+> = {
+  pending: {
+    label: 'Pending',
+    className:
+      'border-amber-200 bg-amber-100 text-amber-800 dark:border-amber-900 dark:bg-amber-950/50 dark:text-amber-300',
+  },
+  approved: {
+    label: 'Approved',
+    className:
+      'border-emerald-200 bg-emerald-100 text-emerald-800 dark:border-emerald-900 dark:bg-emerald-950/50 dark:text-emerald-300',
+  },
+  rejected: {
+    label: 'Rejected',
+    className:
+      'border-red-200 bg-red-100 text-red-800 dark:border-red-900 dark:bg-red-950/50 dark:text-red-300',
+  },
+  cancelled: {
+    label: 'Cancelled',
+    className: 'border-border bg-muted text-muted-foreground',
+  },
+};
+
+function StatusBadge({ status }: { status: TicketExtensionRequestStatus }) {
+  const config = statusConfig[status];
+
+  return (
+    <Badge variant="outline" className={cn('border', config.className)}>
+      {config.label}
+    </Badge>
+  );
+}
+
+function PersonCell({
+  name,
+  role,
+}: {
+  name: string | null | undefined;
+  role: string | null | undefined;
+}) {
+  return (
+    <div className="min-w-0">
+      <p className="truncate font-medium">{name || '-'}</p>
+      {role ? (
+        <p className="truncate text-xs text-muted-foreground">{role}</p>
+      ) : null}
+    </div>
+  );
+}
+
+export function useExtensionRequestColumns(): ColumnDef<TicketExtensionRequest>[] {
+  return useMemo(
+    () => [
+      {
+        accessorKey: 'ticket_name',
+        header: 'Ticket / Lot',
+        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}
+            </p>
+          </div>
+        ),
+      },
+      {
+        id: 'requested_by',
+        header: 'Requested By',
+        size: 170,
+        meta: { disableTruncate: true },
+        cell: ({ row }) => (
+          <PersonCell
+            name={row.original.requested_by?.name}
+            role={row.original.requested_by?.role.name}
+          />
+        ),
+      },
+      {
+        accessorKey: 'status',
+        header: 'Status',
+        size: 125,
+        meta: { disableTruncate: true },
+        cell: ({ row }) => <StatusBadge status={row.original.status} />,
+      },
+      {
+        accessorKey: 'current_due_at',
+        header: 'Current Due Date',
+        size: 175,
+        cell: ({ row }) => formatDate(row.original.current_due_at),
+      },
+      {
+        accessorKey: 'requested_due_at',
+        header: 'Requested Due Date',
+        size: 175,
+        cell: ({ row }) => formatDate(row.original.requested_due_at),
+      },
+      {
+        accessorKey: 'reason',
+        header: 'Request Reason',
+        size: 260,
+      },
+      {
+        id: 'resolved_by',
+        header: 'Resolved By',
+        size: 170,
+        meta: { disableTruncate: true },
+        cell: ({ row }) => (
+          <PersonCell
+            name={row.original.resolved_by?.name}
+            role={row.original.resolved_by?.role.name}
+          />
+        ),
+      },
+      {
+        accessorKey: 'decision_note',
+        header: 'Decision Note',
+        size: 220,
+        cell: ({ row }) => row.original.decision_note || '-',
+      },
+      {
+        id: 'previous_requests',
+        header: 'Previous Requests',
+        size: 150,
+        cell: ({ row }) => (
+          <Badge variant="secondary">
+            {row.original.history_meta.previous_request_count}
+          </Badge>
+        ),
+      },
+      {
+        accessorKey: 'resolved_at',
+        header: 'Resolved On',
+        size: 175,
+        cell: ({ row }) => formatDate(row.original.resolved_at),
+      },
+    ],
+    [],
+  );
+}

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

@@ -0,0 +1,229 @@
+'use client';
+
+import { useCallback, useEffect } from 'react';
+import { ArrowRight, Check, Loader2, X } from 'lucide-react';
+
+import {
+  AlertDialog,
+  AlertDialogAction,
+  AlertDialogCancel,
+  AlertDialogContent,
+  AlertDialogDescription,
+  AlertDialogFooter,
+  AlertDialogHeader,
+  AlertDialogTitle,
+} from '@/components/ui/alert-dialog';
+import { Button } from '@/components/ui/button';
+import {
+  Dialog,
+  DialogBody,
+  DialogContent,
+  DialogDescription,
+  DialogFooter,
+  DialogHeader,
+  DialogTitle,
+} from '@/components/ui/dialog';
+import { Label } from '@/components/ui/label';
+import { Textarea } from '@/components/ui/textarea';
+import type { TicketExtensionRequest } from '@/types';
+import { formatDate } from '@/utils/date';
+
+import {
+  MAX_EXTENSION_DECISION_NOTE_LENGTH,
+  type ExtensionRequestDecisionAction,
+  useExtensionRequestDecision,
+} from '../hooks/useExtensionRequestDecision';
+
+interface ExtensionRequestDecisionDialogProps {
+  request: TicketExtensionRequest | null;
+  action: ExtensionRequestDecisionAction | null;
+  open: boolean;
+  onOpenChange: (open: boolean) => void;
+}
+
+export function ExtensionRequestDecisionDialog({
+  request,
+  action,
+  open,
+  onOpenChange,
+}: ExtensionRequestDecisionDialogProps) {
+  const handleSuccess = useCallback(() => onOpenChange(false), [onOpenChange]);
+  const {
+    note,
+    setNote,
+    noteError,
+    selectedAction,
+    isPending,
+    isRejectConfirmationOpen,
+    setIsRejectConfirmationOpen,
+    submitDecision,
+    requestRejection,
+    resetDecision,
+  } = useExtensionRequestDecision({
+    ticketId: request?.ticket_id ?? '',
+    assignmentId: request?.assignment_id ?? 0,
+    onSuccess: handleSuccess,
+  });
+
+  useEffect(() => {
+    resetDecision();
+  }, [action, open, request?.id, resetDecision]);
+
+  const handleOpenChange = (nextOpen: boolean) => {
+    if (isPending) return;
+    onOpenChange(nextOpen);
+  };
+
+  if (!request || !action) return null;
+
+  const isApproval = action === 'approve';
+  const noteErrorId = `extension-manager-note-error-${request.id}`;
+
+  return (
+    <>
+      <Dialog open={open} onOpenChange={handleOpenChange}>
+        <DialogContent className="sm:max-w-xl" showCloseButton={!isPending}>
+          <DialogHeader>
+            <DialogTitle>
+              {isApproval
+                ? 'Approve extension request'
+                : 'Reject extension request'}
+            </DialogTitle>
+            <DialogDescription>
+              Review {request.ticket_name}, Lot #{request.assignment_id} before
+              confirming this decision.
+            </DialogDescription>
+          </DialogHeader>
+
+          <DialogBody className="space-y-4">
+            <div className="grid grid-cols-[minmax(0,1fr)_auto_minmax(0,1fr)] items-start gap-3 rounded-lg border p-3">
+              <div>
+                <p className="text-xs text-muted-foreground">
+                  Current Due Date
+                </p>
+                <p className="mt-1 font-medium">
+                  {formatDate(request.current_due_at)}
+                </p>
+              </div>
+              <ArrowRight className="mt-5 size-4 text-muted-foreground" />
+              <div>
+                <p className="text-xs text-muted-foreground">
+                  Requested Due Date
+                </p>
+                <p className="mt-1 font-medium">
+                  {formatDate(request.requested_due_at)}
+                </p>
+              </div>
+            </div>
+
+            <div className="rounded-lg border p-3">
+              <p className="text-xs text-muted-foreground">Requested By</p>
+              <p className="mt-1 font-medium">
+                {request.requested_by?.name ?? 'Assigned worker'}
+              </p>
+              <p className="mt-3 text-xs text-muted-foreground">Reason</p>
+              <p className="mt-1 leading-relaxed">{request.reason}</p>
+            </div>
+
+            <div className="space-y-2">
+              <div className="space-y-0.5">
+                <Label htmlFor="extension-manager-note">
+                  Add Manager Comments
+                </Label>
+                <p className="text-xs text-muted-foreground">
+                  {isApproval
+                    ? 'Optional for approval.'
+                    : 'Required for rejection.'}
+                </p>
+              </div>
+              <div className="relative">
+                <Textarea
+                  id="extension-manager-note"
+                  value={note}
+                  onChange={(event) => setNote(event.target.value)}
+                  placeholder="Add a note explaining your decision..."
+                  disabled={isPending}
+                  aria-invalid={Boolean(noteError)}
+                  aria-describedby={noteError ? noteErrorId : undefined}
+                  className="min-h-24 resize-none pb-8"
+                />
+                <span className="pointer-events-none absolute right-3 bottom-2 text-xs text-muted-foreground">
+                  {note.length} / {MAX_EXTENSION_DECISION_NOTE_LENGTH}
+                </span>
+              </div>
+              {noteError ? (
+                <p id={noteErrorId} className="text-xs text-destructive">
+                  {noteError}
+                </p>
+              ) : null}
+            </div>
+          </DialogBody>
+
+          <DialogFooter>
+            <Button
+              type="button"
+              variant="outline"
+              disabled={isPending}
+              onClick={() => handleOpenChange(false)}
+            >
+              Cancel
+            </Button>
+            {isApproval ? (
+              <Button
+                type="button"
+                disabled={isPending}
+                onClick={() => void submitDecision('approve')}
+              >
+                {selectedAction === 'approve' ? (
+                  <Loader2 className="animate-spin" />
+                ) : (
+                  <Check />
+                )}
+                Approve Extension
+              </Button>
+            ) : (
+              <Button
+                type="button"
+                variant="destructive"
+                disabled={isPending}
+                onClick={requestRejection}
+              >
+                <X />
+                Reject Request
+              </Button>
+            )}
+          </DialogFooter>
+        </DialogContent>
+      </Dialog>
+
+      <AlertDialog
+        open={isRejectConfirmationOpen}
+        onOpenChange={setIsRejectConfirmationOpen}
+      >
+        <AlertDialogContent>
+          <AlertDialogHeader>
+            <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
+              cannot be undone.
+            </AlertDialogDescription>
+          </AlertDialogHeader>
+          <AlertDialogFooter>
+            <AlertDialogCancel disabled={isPending}>No</AlertDialogCancel>
+            <AlertDialogAction
+              variant="destructive"
+              disabled={isPending}
+              onClick={() => void submitDecision('reject')}
+            >
+              {selectedAction === 'reject' ? (
+                <Loader2 className="animate-spin" />
+              ) : null}
+              Yes, Reject
+            </AlertDialogAction>
+          </AlertDialogFooter>
+        </AlertDialogContent>
+      </AlertDialog>
+    </>
+  );
+}

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

@@ -0,0 +1,69 @@
+'use client';
+
+import { FilterX } from 'lucide-react';
+
+import { TableSearchInput } from '@/components/data-table/TableSearchInput';
+import { Button } from '@/components/ui/button';
+import {
+  Select,
+  SelectContent,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+} from '@/components/ui/select';
+
+import type { ExtensionRequestStatusFilter } from '../hooks/useExtensionRequestFilters';
+
+interface ExtensionRequestFiltersProps {
+  ticketName: string;
+  statusFilter: ExtensionRequestStatusFilter;
+  onTicketNameChange: (value: string) => void;
+  onStatusChange: (value: ExtensionRequestStatusFilter) => void;
+  onClear: () => void;
+}
+
+export function ExtensionRequestFilters({
+  ticketName,
+  statusFilter,
+  onTicketNameChange,
+  onStatusChange,
+  onClear,
+}: ExtensionRequestFiltersProps) {
+  return (
+    <div className="flex w-full flex-col gap-2 sm:flex-row sm:items-center">
+      <TableSearchInput
+        value={ticketName}
+        onChange={onTicketNameChange}
+        placeholder="Search by ticket name"
+        className="w-full sm:max-w-sm"
+      />
+      <Select
+        value={statusFilter}
+        onValueChange={(value) =>
+          onStatusChange(value as ExtensionRequestStatusFilter)
+        }
+      >
+        <SelectTrigger className="w-full sm:w-44">
+          <SelectValue />
+        </SelectTrigger>
+        <SelectContent>
+          <SelectItem value="all">All statuses</SelectItem>
+          <SelectItem value="pending">Pending</SelectItem>
+          <SelectItem value="approved">Approved</SelectItem>
+          <SelectItem value="rejected">Rejected</SelectItem>
+          <SelectItem value="cancelled">Cancelled</SelectItem>
+        </SelectContent>
+      </Select>
+      <Button
+        type="button"
+        variant="ghost"
+        size="sm"
+        disabled={!ticketName && statusFilter === 'pending'}
+        onClick={onClear}
+      >
+        <FilterX />
+        Clear Filters
+      </Button>
+    </div>
+  );
+}

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

@@ -0,0 +1,58 @@
+'use client';
+
+import type { ReactNode } from 'react';
+import type { ColumnDef } from '@tanstack/react-table';
+
+import { DataTable, type DataTableAction } from '@/components/data-table';
+import type { TicketExtensionRequest } from '@/types';
+
+interface ExtensionRequestTableProps {
+  columns: ColumnDef<TicketExtensionRequest>[];
+  requests: TicketExtensionRequest[];
+  isLoading: boolean;
+  toolbar: ReactNode;
+  skip: number;
+  limit: number;
+  total: number;
+  onPageChange: (skip: number) => void;
+  onLimitChange: (limit: number) => void;
+  onView: (request: TicketExtensionRequest) => void;
+  actions: DataTableAction<TicketExtensionRequest>[];
+}
+
+export function ExtensionRequestTable({
+  columns,
+  requests,
+  isLoading,
+  toolbar,
+  skip,
+  limit,
+  total,
+  onPageChange,
+  onLimitChange,
+  onView,
+  actions,
+}: ExtensionRequestTableProps) {
+  return (
+    <DataTable
+      title="Extension Requests"
+      columns={columns}
+      data={requests}
+      isLoading={isLoading}
+      toolbar={toolbar}
+      emptyTitle="No extension requests found."
+      emptyDescription="Try changing the ticket or status filters."
+      onRowClick={onView}
+      actions={actions}
+      actionsSticky
+      minColumnSize={130}
+      pagination={{
+        skip,
+        limit,
+        totalItems: total,
+        onPageChange,
+        onLimitChange,
+      }}
+    />
+  );
+}

src/app/(modules)/extension-requests/hooks/useExtensionRequestDecision.ts

@@ -0,0 +1,123 @@
+'use client';
+
+import { useCallback, useState } from 'react';
+import { useMutation, useQueryClient } from '@tanstack/react-query';
+import { toast } from 'sonner';
+
+import { ticketService } from '@/services/api';
+import type { ReviewTicketExtensionPayload } from '@/types';
+
+import { ticketKeys } from '../../ticket/queries/ticketKeys';
+import { extensionRequestKeys } from '../queries/extensionRequestKeys';
+
+export const MAX_EXTENSION_DECISION_NOTE_LENGTH = 300;
+
+export type ExtensionRequestDecisionAction = 'approve' | 'reject';
+
+interface UseExtensionRequestDecisionOptions {
+  ticketId: string;
+  assignmentId: number;
+  onSuccess?: () => void;
+}
+
+export function useExtensionRequestDecision({
+  ticketId,
+  assignmentId,
+  onSuccess,
+}: UseExtensionRequestDecisionOptions) {
+  const queryClient = useQueryClient();
+  const [note, setNoteValue] = useState('');
+  const [noteError, setNoteError] = useState<string | null>(null);
+  const [selectedAction, setSelectedAction] =
+    useState<ExtensionRequestDecisionAction | null>(null);
+  const [isRejectConfirmationOpen, setIsRejectConfirmationOpen] =
+    useState(false);
+
+  const reviewMutation = useMutation({
+    mutationFn: (payload: ReviewTicketExtensionPayload) =>
+      ticketService.reviewTicketExtension(ticketId, assignmentId, payload),
+    onSuccess: (_response, payload) => {
+      toast.success(
+        payload.action === 'approve'
+          ? 'Extension request approved'
+          : 'Extension request rejected',
+      );
+      queryClient.invalidateQueries({
+        queryKey: ticketKeys.extensionRequest(ticketId, assignmentId),
+      });
+      queryClient.invalidateQueries({
+        queryKey: extensionRequestKeys.lists(),
+      });
+      queryClient.invalidateQueries({
+        queryKey: ticketKeys.assignments(ticketId),
+      });
+      queryClient.invalidateQueries({
+        queryKey: ticketKeys.timeline(ticketId),
+      });
+      queryClient.invalidateQueries({ queryKey: ticketKeys.lists() });
+      onSuccess?.();
+    },
+    onError: () => toast.error('Failed to review extension request'),
+  });
+
+  const setNote = useCallback((value: string) => {
+    const nextNote = value.slice(0, MAX_EXTENSION_DECISION_NOTE_LENGTH);
+    setNoteValue(nextNote);
+    if (nextNote.trim()) setNoteError(null);
+  }, []);
+
+  const submitDecision = useCallback(
+    async (action: ExtensionRequestDecisionAction) => {
+      const trimmedNote = note.trim();
+
+      if (action === 'reject' && !trimmedNote) {
+        setNoteError('Manager comments are required to reject this request.');
+        setIsRejectConfirmationOpen(false);
+        return;
+      }
+
+      setSelectedAction(action);
+      try {
+        await reviewMutation.mutateAsync({
+          action,
+          ...(trimmedNote ? { note: trimmedNote } : {}),
+        });
+      } catch {
+        // The mutation displays the error toast and leaves the form open.
+      } finally {
+        setSelectedAction(null);
+      }
+    },
+    [note, reviewMutation],
+  );
+
+  const requestRejection = useCallback(() => {
+    if (!note.trim()) {
+      setNoteError('Manager comments are required to reject this request.');
+      return;
+    }
+
+    setNoteError(null);
+    setIsRejectConfirmationOpen(true);
+  }, [note]);
+
+  const resetDecision = useCallback(() => {
+    setNoteValue('');
+    setNoteError(null);
+    setSelectedAction(null);
+    setIsRejectConfirmationOpen(false);
+  }, []);
+
+  return {
+    note,
+    setNote,
+    noteError,
+    selectedAction,
+    isPending: reviewMutation.isPending,
+    isRejectConfirmationOpen,
+    setIsRejectConfirmationOpen,
+    submitDecision,
+    requestRejection,
+    resetDecision,
+  };
+}

src/app/(modules)/extension-requests/hooks/useExtensionRequestFilters.ts

@@ -0,0 +1,51 @@
+'use client';
+
+import { useCallback, useState } from 'react';
+
+import { useDebounce } from '@/hooks/useDebounce';
+import type { TicketExtensionRequestStatus } from '@/types';
+
+export type ExtensionRequestStatusFilter = 'all' | TicketExtensionRequestStatus;
+
+export function useExtensionRequestFilters() {
+  const [skip, setSkip] = useState(0);
+  const [limit, setLimitValue] = useState(10);
+  const [ticketName, setTicketNameValue] = useState('');
+  const [statusFilter, setStatusFilterValue] =
+    useState<ExtensionRequestStatusFilter>('pending');
+  const debouncedTicketName = useDebounce(ticketName.trim(), 400);
+
+  const setLimit = useCallback((value: number) => {
+    setLimitValue(value);
+    setSkip(0);
+  }, []);
+
+  const setTicketName = useCallback((value: string) => {
+    setTicketNameValue(value);
+    setSkip(0);
+  }, []);
+
+  const setStatusFilter = useCallback((value: ExtensionRequestStatusFilter) => {
+    setStatusFilterValue(value);
+    setSkip(0);
+  }, []);
+
+  const clearFilters = useCallback(() => {
+    setTicketNameValue('');
+    setStatusFilterValue('pending');
+    setSkip(0);
+  }, []);
+
+  return {
+    skip,
+    setSkip,
+    limit,
+    setLimit,
+    ticketName,
+    debouncedTicketName,
+    setTicketName,
+    statusFilter,
+    setStatusFilter,
+    clearFilters,
+  };
+}

src/app/(modules)/extension-requests/hooks/useExtensionRequestQueries.ts

@@ -0,0 +1,47 @@
+'use client';
+
+import { useMemo } from 'react';
+import { useQuery } from '@tanstack/react-query';
+
+import { ticketService } from '@/services/api';
+import type { TicketExtensionRequestsParams } from '@/types';
+
+import type { ExtensionRequestStatusFilter } from './useExtensionRequestFilters';
+import { extensionRequestKeys } from '../queries/extensionRequestKeys';
+
+interface UseExtensionRequestsQueryParams {
+  skip: number;
+  limit: number;
+  ticketName: string;
+  statusFilter: ExtensionRequestStatusFilter;
+}
+
+function buildExtensionRequestParams({
+  skip,
+  limit,
+  ticketName,
+  statusFilter,
+}: UseExtensionRequestsQueryParams): TicketExtensionRequestsParams {
+  return {
+    skip,
+    limit,
+    ticket_name: ticketName || undefined,
+    status: statusFilter === 'all' ? undefined : statusFilter,
+  };
+}
+
+export function useExtensionRequestsQuery(
+  params: UseExtensionRequestsQueryParams,
+) {
+  const { skip, limit, ticketName, statusFilter } = params;
+  const queryParams = useMemo(
+    () =>
+      buildExtensionRequestParams({ skip, limit, ticketName, statusFilter }),
+    [limit, skip, statusFilter, ticketName],
+  );
+
+  return useQuery({
+    queryKey: extensionRequestKeys.list(queryParams),
+    queryFn: () => ticketService.getTicketExtensionRequests(queryParams),
+  });
+}

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

@@ -0,0 +1,16 @@
+'use client';
+
+import { PERMISSIONS } from '@/constants/permissions';
+import { PermissionRouteGuard } from '@/guards';
+
+export default function ExtensionRequestsLayout({
+  children,
+}: {
+  children: React.ReactNode;
+}) {
+  return (
+    <PermissionRouteGuard permission={PERMISSIONS.TICKET.ASSIGN}>
+      {children}
+    </PermissionRouteGuard>
+  );
+}

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

@@ -0,0 +1,153 @@
+'use client';
+
+import { useCallback, useMemo, useState } from 'react';
+import { AlertCircle, CalendarClock, Check, RotateCcw, X } from 'lucide-react';
+import { useRouter } from 'next/navigation';
+
+import type { DataTableAction } from '@/components/data-table';
+import { PageHeader } from '@/components/page-header';
+import { Button } from '@/components/ui/button';
+import { PERMISSIONS } from '@/constants/permissions';
+import type { TicketExtensionRequest } from '@/types';
+import { ROUTES } from '@/utils/routes';
+
+import { useExtensionRequestColumns } from './components/ExtensionRequestColumns';
+import { ExtensionRequestDecisionDialog } from './components/ExtensionRequestDecisionDialog';
+import { ExtensionRequestFilters } from './components/ExtensionRequestFilters';
+import { ExtensionRequestTable } from './components/ExtensionRequestTable';
+import type { ExtensionRequestDecisionAction } from './hooks/useExtensionRequestDecision';
+import { useExtensionRequestFilters } from './hooks/useExtensionRequestFilters';
+import { useExtensionRequestsQuery } from './hooks/useExtensionRequestQueries';
+
+export default function ExtensionRequestsPage() {
+  const router = useRouter();
+  const [decision, setDecision] = useState<{
+    request: TicketExtensionRequest;
+    action: ExtensionRequestDecisionAction;
+  } | null>(null);
+  const {
+    skip,
+    setSkip,
+    limit,
+    setLimit,
+    ticketName,
+    debouncedTicketName,
+    setTicketName,
+    statusFilter,
+    setStatusFilter,
+    clearFilters,
+  } = useExtensionRequestFilters();
+  const extensionRequestsQuery = useExtensionRequestsQuery({
+    skip,
+    limit,
+    ticketName: debouncedTicketName,
+    statusFilter,
+  });
+  const columns = useExtensionRequestColumns();
+  const requests = extensionRequestsQuery.data?.items ?? [];
+  const total = extensionRequestsQuery.data?.total ?? 0;
+
+  const actions = useMemo<DataTableAction<TicketExtensionRequest>[]>(
+    () => [
+      {
+        label: 'Approve extension',
+        icon: <Check className="text-emerald-600" />,
+        permission: PERMISSIONS.TICKET.ASSIGN,
+        hidden: (request) => request.status !== 'pending',
+        className:
+          'border-emerald-200 hover:bg-emerald-50 dark:border-emerald-900 dark:hover:bg-emerald-950/50',
+        onClick: (request) => setDecision({ request, action: 'approve' }),
+      },
+      {
+        label: 'Reject extension',
+        icon: <X className="text-destructive" />,
+        permission: PERMISSIONS.TICKET.ASSIGN,
+        hidden: (request) => request.status !== 'pending',
+        className:
+          'border-destructive/30 hover:bg-destructive/5 hover:text-destructive',
+        onClick: (request) => setDecision({ request, action: 'reject' }),
+      },
+    ],
+    [],
+  );
+
+  const openTicket = useCallback(
+    (request: TicketExtensionRequest) => {
+      router.push(ROUTES.TICKET_DETAIL(request.ticket_id));
+    },
+    [router],
+  );
+
+  const filterToolbar = useMemo(
+    () => (
+      <ExtensionRequestFilters
+        ticketName={ticketName}
+        statusFilter={statusFilter}
+        onTicketNameChange={setTicketName}
+        onStatusChange={setStatusFilter}
+        onClear={clearFilters}
+      />
+    ),
+    [clearFilters, setTicketName, setStatusFilter, statusFilter, ticketName],
+  );
+
+  return (
+    <main className="relative z-10 space-y-5">
+      <PageHeader
+        title="Extension Requests"
+        description="Track deadline extension requests across all ticket lots."
+        icon={CalendarClock}
+      />
+
+      {extensionRequestsQuery.isError ? (
+        <div
+          role="alert"
+          className="flex min-h-48 flex-col items-center justify-center rounded-lg border border-dashed border-destructive/40 bg-destructive/5 px-4 text-center"
+        >
+          <AlertCircle className="mb-2 size-6 text-destructive" />
+          <p className="text-sm font-medium text-destructive">
+            Failed to load extension requests.
+          </p>
+          <Button
+            type="button"
+            variant="outline"
+            size="sm"
+            className="mt-3"
+            disabled={extensionRequestsQuery.isFetching}
+            onClick={() => extensionRequestsQuery.refetch()}
+          >
+            <RotateCcw
+              className={
+                extensionRequestsQuery.isFetching ? 'animate-spin' : undefined
+              }
+            />
+            Retry
+          </Button>
+        </div>
+      ) : (
+        <ExtensionRequestTable
+          columns={columns}
+          requests={requests}
+          isLoading={extensionRequestsQuery.isLoading}
+          toolbar={filterToolbar}
+          skip={skip}
+          limit={limit}
+          total={total}
+          onPageChange={setSkip}
+          onLimitChange={setLimit}
+          onView={openTicket}
+          actions={actions}
+        />
+      )}
+
+      <ExtensionRequestDecisionDialog
+        request={decision?.request ?? null}
+        action={decision?.action ?? null}
+        open={Boolean(decision)}
+        onOpenChange={(open) => {
+          if (!open) setDecision(null);
+        }}
+      />
+    </main>
+  );
+}

src/app/(modules)/extension-requests/queries/extensionRequestKeys.ts

@@ -0,0 +1,8 @@
+import type { TicketExtensionRequestsParams } from '@/types';
+
+export const extensionRequestKeys = {
+  all: ['extension-requests'] as const,
+  lists: () => [...extensionRequestKeys.all, 'list'] as const,
+  list: (params: TicketExtensionRequestsParams) =>
+    [...extensionRequestKeys.lists(), params] as const,
+};

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

@@ -1,6 +1,5 @@
 'use client';
 
-import { useState } from 'react';
 import {
   ArrowRight,
   CalendarClock,
@@ -30,13 +29,12 @@ import type {
 import { formatDate } from '@/utils/date';
 
 import {
-  useReviewTicketExtensionMutation,
+  MAX_EXTENSION_DECISION_NOTE_LENGTH,
-  useTicketExtensionRequestQuery,
+  useExtensionRequestDecision,
-} from '../../../hooks/useTicketQueries';
+} from '../../../../extension-requests/hooks/useExtensionRequestDecision';
+import { useTicketExtensionRequestQuery } from '../../../hooks/useTicketQueries';
 import { TicketActionCard } from './TicketActionCard';
 
-const MAX_NOTE_LENGTH = 300;
-
 function getPendingRequest(response: TicketExtensionRequestsResponse) {
   return response.items
     .filter((request) => request.status === 'pending')
@@ -93,49 +91,19 @@ function ExtensionReviewForm({
   assignmentId: number;
   request: TicketExtensionRequest;
 }) {
-  const [note, setNote] = useState('');
+  const {
-  const [noteError, setNoteError] = useState<string | null>(null);
+    note,
-  const [selectedAction, setSelectedAction] = useState<
+    setNote,
-    'approve' | 'reject' | null
+    noteError,
-  >(null);
+    selectedAction,
-  const [isRejectConfirmationOpen, setIsRejectConfirmationOpen] =
+    isPending,
-    useState(false);
+    isRejectConfirmationOpen,
-  const reviewMutation = useReviewTicketExtensionMutation(
+    setIsRejectConfirmationOpen,
-    ticketId,
+    submitDecision,
-    assignmentId,
+    requestRejection,
-  );
+  } = useExtensionRequestDecision({ ticketId, assignmentId });
   const extensionDays = getExtensionDays(request);
 
-  const submitDecision = async (action: 'approve' | 'reject') => {
-    const trimmedNote = note.trim();
-
-    if (action === 'reject' && !trimmedNote) {
-      setNoteError('Manager comments are required to reject this request.');
-      setIsRejectConfirmationOpen(false);
-      return;
-    }
-
-    setSelectedAction(action);
-    try {
-      await reviewMutation.mutateAsync({
-        action,
-        ...(trimmedNote ? { note: trimmedNote } : {}),
-      });
-    } finally {
-      setSelectedAction(null);
-    }
-  };
-
-  const handleRejectRequest = () => {
-    if (!note.trim()) {
-      setNoteError('Manager comments are required to reject this request.');
-      return;
-    }
-
-    setNoteError(null);
-    setIsRejectConfirmationOpen(true);
-  };
-
   return (
     <TicketActionCard icon={CalendarClock} title="Extension Request Details">
       <div className="space-y-4">
@@ -185,12 +153,10 @@ function ExtensionReviewForm({
               id="extension-manager-note"
               value={note}
               onChange={(event) => {
-                const nextNote = event.target.value.slice(0, MAX_NOTE_LENGTH);
+                setNote(event.target.value);
-                setNote(nextNote);
-                if (nextNote.trim()) setNoteError(null);
               }}
               placeholder="Add a note explaining your decision..."
-              disabled={reviewMutation.isPending}
+              disabled={isPending}
               aria-invalid={Boolean(noteError)}
               aria-describedby={
                 noteError ? 'extension-manager-note-error' : undefined
@@ -198,7 +164,7 @@ function ExtensionReviewForm({
               className="min-h-24 resize-none pb-8"
             />
             <span className="pointer-events-none absolute right-3 bottom-2 text-xs text-muted-foreground">
-              {note.length} / {MAX_NOTE_LENGTH}
+              {note.length} / {MAX_EXTENSION_DECISION_NOTE_LENGTH}
             </span>
           </div>
           {noteError ? (
@@ -216,8 +182,8 @@ function ExtensionReviewForm({
             type="button"
             variant="outline"
             className="border-destructive/40 text-destructive hover:bg-destructive/5 hover:text-destructive"
-            disabled={reviewMutation.isPending}
+            disabled={isPending}
-            onClick={handleRejectRequest}
+            onClick={requestRejection}
           >
             {selectedAction === 'reject' ? (
               <Loader2 className="animate-spin" />
@@ -228,8 +194,8 @@ function ExtensionReviewForm({
           </Button>
           <Button
             type="button"
-            disabled={reviewMutation.isPending}
+            disabled={isPending}
-            onClick={() => submitDecision('approve')}
+            onClick={() => void submitDecision('approve')}
           >
             {selectedAction === 'approve' ? (
               <Loader2 className="animate-spin" />
@@ -253,13 +219,11 @@ function ExtensionReviewForm({
               </AlertDialogDescription>
             </AlertDialogHeader>
             <AlertDialogFooter>
-              <AlertDialogCancel disabled={reviewMutation.isPending}>
+              <AlertDialogCancel disabled={isPending}>No</AlertDialogCancel>
-                No
-              </AlertDialogCancel>
               <AlertDialogAction
                 variant="destructive"
-                disabled={reviewMutation.isPending}
+                disabled={isPending}
-                onClick={() => submitDecision('reject')}
+                onClick={() => void submitDecision('reject')}
               >
                 Yes
               </AlertDialogAction>

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

@@ -17,7 +17,6 @@ import type {
   DiscardDetectionPayload,
   RequestTicketExtensionPayload,
   ReviewDetectionRepairProofPayload,
-  ReviewTicketExtensionPayload,
   TicketAssignmentSummary,
   TicketListParams,
   DetectionProofStatus,
@@ -25,6 +24,7 @@ import type {
 } from '@/types';
 
 import { ticketKeys } from '../queries/ticketKeys';
+import { extensionRequestKeys } from '../../extension-requests/queries/extensionRequestKeys';
 
 const TICKET_TABLE_REFRESH_MS = 5 * 60 * 1000;
 
@@ -367,6 +367,9 @@ export function useRequestTicketExtensionMutation(
       queryClient.invalidateQueries({
         queryKey: ticketKeys.extensionRequest(ticketId, assignmentId),
       });
+      queryClient.invalidateQueries({
+        queryKey: extensionRequestKeys.lists(),
+      });
       queryClient.invalidateQueries({
         queryKey: ticketKeys.assignments(ticketId),
       });
@@ -378,36 +381,6 @@ export function useRequestTicketExtensionMutation(
     onError: () => toast.error('Failed to request an extension'),
   });
 }
-export function useReviewTicketExtensionMutation(
-  ticketId: string,
-  assignmentId: number,
-) {
-  const queryClient = useQueryClient();
-
-  return useMutation({
-    mutationFn: (payload: ReviewTicketExtensionPayload) =>
-      ticketService.reviewTicketExtension(ticketId, assignmentId, payload),
-    onSuccess: (_response, payload) => {
-      toast.success(
-        payload.action === 'approve'
-          ? 'Extension request approved'
-          : 'Extension request rejected',
-      );
-      queryClient.invalidateQueries({
-        queryKey: ticketKeys.extensionRequest(ticketId, assignmentId),
-      });
-      queryClient.invalidateQueries({
-        queryKey: ticketKeys.assignments(ticketId),
-      });
-      queryClient.invalidateQueries({
-        queryKey: ticketKeys.timeline(ticketId),
-      });
-      queryClient.invalidateQueries({ queryKey: ticketKeys.lists() });
-    },
-    onError: () => toast.error('Failed to review extension request'),
-  });
-}
-
 export function useCloseTicketMutation(ticketId: string) {
   const queryClient = useQueryClient();
 

src/components/data-table/Footer/index.tsx

@@ -30,9 +30,11 @@ export function TableFooter<TData>({
   pageSize?: number;
   onPageSizeChange?: (pageSize: number) => void;
 }) {
-  const currentPageSize = pageSize ?? table.getState().pagination.pageSize;
+  const paginationState = table.getState().pagination;
+  const currentPageSize =
+    pageSize ?? paginationState?.pageSize ?? PAGE_SIZE_OPTIONS[0];
   const selectedRowCount = Object.keys(table.getState().rowSelection).length;
-  const pageIndex = table.getState().pagination.pageIndex;
+  const pageIndex = paginationState?.pageIndex ?? 0;
   const rawPageCount = table.getPageCount();
   const pageCount = Math.max(
     1,

src/components/data-table/index.tsx

@@ -45,6 +45,7 @@ export interface DataTableAction<TData> {
   onClick: (item: TData) => void;
   permission?: PermissionInput;
   disabled?: (item: TData) => boolean;
+  hidden?: (item: TData) => boolean;
   className?: string;
 }
 
@@ -156,6 +157,8 @@ function DataTableContent<TData, TValue>({
           return (
             <div className="flex justify-start gap-2">
               {actions.map((action) => {
+                if (action.hidden?.(item)) return null;
+
                 const label =
                   typeof action.label === 'function'
                     ? action.label(item)
@@ -212,26 +215,30 @@ function DataTableContent<TData, TValue>({
     manualSorting: isManualSorting,
     pageCount: pagination
       ? Math.ceil((pagination.totalItems ?? data.length) / pagination.limit)
-      : -1,
+      : undefined,
     state: {
       rowSelection,
       columnVisibility,
       columnPinning,
       columnSizing,
       sorting,
-      pagination: pagination
+      ...(pagination
         ? {
+            pagination: {
               pageIndex: Math.floor(pagination.skip / pagination.limit),
               pageSize: pagination.limit,
-          }
-        : undefined,
             },
-    onPaginationChange: (updater) => {
+          }
-      if (typeof updater === 'function' && pagination) {
+        : {}),
-        const newState = updater({
+    },
+    onPaginationChange: pagination
+      ? (updater) => {
+          const currentState = {
             pageIndex: Math.floor(pagination.skip / pagination.limit),
             pageSize: pagination.limit,
-        });
+          };
+          const newState =
+            typeof updater === 'function' ? updater(currentState) : updater;
           const pageSizeChanged = newState.pageSize !== pagination.limit;
 
           if (pageSizeChanged) {
@@ -242,7 +249,7 @@ function DataTableContent<TData, TValue>({
 
           pagination.onPageChange(newState.pageIndex * newState.pageSize);
         }
-    },
+      : undefined,
   });
 
   return (

src/config/menu.config.ts

@@ -9,6 +9,7 @@ import {
   Users,
   Building2,
   BadgeIndianRupee,
+  CalendarClock,
   Globe,
 } from 'lucide-react';
 import type { ComponentType, SVGProps } from 'react';
@@ -37,6 +38,12 @@ export const menuItems: MenuItem[] = [
     icon: Ticket,
     permission: PERMISSIONS.TICKET.READ,
   },
+  {
+    title: 'Extension Requests',
+    path: ROUTES.EXTENSION_REQUESTS,
+    icon: CalendarClock,
+    permission: PERMISSIONS.TICKET.ASSIGN,
+  },
   {
     title: 'Project',
     path: ROUTES.PROJECT,

src/constants/apiRoutes.ts

@@ -70,7 +70,8 @@ export const API_ROUTES = {
     ASSIGNMENTS: (id: string) => `/biz/api/v1/tickets/${id}/assignments`,
     REQUEST_EXTENSION: (ticketId: string, assignmentId: number) =>
       `/biz/api/v1/tickets/${ticketId}/assignments/${assignmentId}/extension-requests`,
-    EXTENSION_REQUESTS: (ticketId: string) =>
+    EXTENSION_REQUESTS: '/biz/api/v1/tickets/extension-requests',
+    TICKET_EXTENSION_REQUESTS: (ticketId: string) =>
       `/biz/api/v1/tickets/${ticketId}/extension-requests`,
     REVIEW_EXTENSION_REQUEST: (ticketId: string, assignmentId: number) =>
       `/biz/api/v1/tickets/${ticketId}/assignments/${assignmentId}/extension-request/decision`,

src/services/api/ticket.service.ts

@@ -11,6 +11,7 @@ import type {
   TicketAssignmentSummary,
   TicketAssignmentsResponse,
   TicketExtensionRequestsResponse,
+  TicketExtensionRequestsParams,
   TicketOverviewDetail,
   TicketDefectClassesResponse,
   TicketListParams,
@@ -136,7 +137,7 @@ export const ticketService = {
     assignmentId: number,
   ): Promise<TicketExtensionRequestsResponse> => {
     const response = await axiosClient.get<TicketExtensionRequestsResponse>(
-      API_ROUTES.TICKETS.EXTENSION_REQUESTS(ticketId),
+      API_ROUTES.TICKETS.TICKET_EXTENSION_REQUESTS(ticketId),
       {
         params: { assignment_id: assignmentId },
       },
@@ -144,6 +145,16 @@ export const ticketService = {
     return response.data;
   },
 
+  getTicketExtensionRequests: async (
+    params: TicketExtensionRequestsParams,
+  ): Promise<TicketExtensionRequestsResponse> => {
+    const response = await axiosClient.get<TicketExtensionRequestsResponse>(
+      API_ROUTES.TICKETS.EXTENSION_REQUESTS,
+      { params },
+    );
+    return response.data;
+  },
+
   reviewTicketExtension: async (
     ticketId: string,
     assignmentId: number,

src/types/ticket/actions.ts

@@ -58,19 +58,33 @@ export interface TicketExtensionRequestActor {
   };
 }
 
+export type TicketExtensionRequestStatus =
+  | 'pending'
+  | 'approved'
+  | 'rejected'
+  | 'cancelled';
+
 export interface TicketExtensionRequest {
   id: number;
   ticket_id: string;
+  ticket_name: string;
   assignment_id: number;
-  defect_class: string;
+  defect_class?: string | null;
   current_due_at: string;
   requested_due_at: string;
   reason: string;
-  status: 'pending' | 'approved' | 'rejected' | 'cancelled';
+  status: TicketExtensionRequestStatus;
   requested_by: TicketExtensionRequestActor | null;
   requested_at: string;
   resolved_by: TicketExtensionRequestActor | null;
   resolved_at: string | null;
+  decision_note: string | null;
+  history_meta: {
+    previous_request_count: number;
+    previous_approved_count: number;
+    previous_rejected_count: number;
+    previous_cancelled_count: number;
+  };
 }
 
 export interface TicketExtensionRequestsResponse {
@@ -78,6 +92,11 @@ export interface TicketExtensionRequestsResponse {
   total: number;
 }
 
+export interface TicketExtensionRequestsParams extends PaginationParams {
+  ticket_name?: string;
+  status?: TicketExtensionRequestStatus;
+}
+
 export interface CloseTicketPayload {
   defect_class: string;
 }

src/utils/routes.ts

@@ -15,6 +15,7 @@ export const ROUTES = {
   ACCOUNT: '/account',
   UPLOAD: '/upload',
   TICKET: '/ticket',
+  EXTENSION_REQUESTS: '/extension-requests',
   TICKET_DETAIL: (ticketId: string) => `/ticket/${ticketId}`,
   TICKET_ASSIGN: (ticketId: string) => `/ticket/${ticketId}/assign`,
   TICKET_REVIEW: (ticketId: string) => `/ticket/${ticketId}/review`,