style: refine shared UI primitives and management flows

src/app/(modules)/package/components/PackageDialog.tsx

@@ -10,6 +10,7 @@ import { ProjectSelect } from '@/components/lookups/ProjectSelect';
 import { Button } from '@/components/ui/button';
 import {
   Dialog,
+  DialogBody,
   DialogContent,
   DialogDescription,
   DialogFooter,
@@ -62,14 +63,14 @@ export function PackageDialog({
   return (
     <Dialog open={open} onOpenChange={onOpenChange}>
       <DialogContent
-        className="flex max-h-[calc(100vh-2rem)] flex-col gap-0 p-0 sm:max-w-2xl"
+        className="sm:max-w-2xl"
         onOpenAutoFocus={(event) => event.preventDefault()}
       >
-        <DialogHeader className="shrink-0 border-b px-6 py-4 pr-12">
-          <DialogTitle className="text-lg leading-none font-semibold tracking-tight">
+        <DialogHeader>
+          <DialogTitle>
             {packageId ? 'Edit Package' : 'Create Package'}
           </DialogTitle>
-          <DialogDescription className="text-sm">
+          <DialogDescription>
             Manage package details and optional chainage range.
           </DialogDescription>
         </DialogHeader>
@@ -79,7 +80,7 @@ export function PackageDialog({
           onSubmit={onSubmit}
           className="flex min-h-0 flex-1 flex-col"
         >
-          <div className="max-h-[58vh] space-y-6 overflow-y-auto px-6 py-4">
+          <DialogBody className="space-y-6">
             <section className="space-y-4">
               <div className="space-y-1">
                 <h3 className="text-sm font-semibold">Basic details</h3>
@@ -173,9 +174,9 @@ export function PackageDialog({
                 </FormField>
               </div>
             </section>
-          </div>
+          </DialogBody>
 
-          <DialogFooter className="shrink-0 border-t px-6 py-4">
+          <DialogFooter>
             <Button
               type="button"
               variant="outline"

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

@@ -4,6 +4,16 @@ import { useCallback, useState } from 'react';
 import { Package as PackageIcon, Plus } from 'lucide-react';
 
 import { PageHeader } from '@/components/page-header';
+import {
+  AlertDialog,
+  AlertDialogAction,
+  AlertDialogCancel,
+  AlertDialogContent,
+  AlertDialogDescription,
+  AlertDialogFooter,
+  AlertDialogHeader,
+  AlertDialogTitle,
+} from '@/components/ui/alert-dialog';
 import { Button } from '@/components/ui/button';
 import type { Package } from '@/types';
 
@@ -20,6 +30,7 @@ import {
 
 export default function PackagePage() {
   const [isDialogOpen, setIsDialogOpen] = useState(false);
+  const [packageToDelete, setPackageToDelete] = useState<Package | null>(null);
   const { skip, setSkip, limit, setLimit } = usePackageFilters();
   const packagesQuery = usePackagesQuery({ skip, limit });
   const projectsQuery = useProjectOptionsQuery();
@@ -67,14 +78,25 @@ export default function PackagePage() {
 
   const deletePackage = useCallback(
     (pkg: Package) => {
-      if (!confirm(`Are you sure you want to delete package "${pkg.name}"?`)) {
-        return;
-      }
-      deletePackageMutation.mutate(pkg);
+      setPackageToDelete(pkg);
     },
-    [deletePackageMutation],
+    [],
   );
 
+  const handleDeleteDialogOpenChange = useCallback((open: boolean) => {
+    if (!open) {
+      setPackageToDelete(null);
+    }
+  }, []);
+
+  const confirmDeletePackage = useCallback(() => {
+    if (!packageToDelete) return;
+
+    deletePackageMutation.mutate(packageToDelete, {
+      onSettled: () => setPackageToDelete(null),
+    });
+  }, [deletePackageMutation, packageToDelete]);
+
   const projects = projectsQuery.data?.items ?? [];
   const packages = packagesQuery.data?.items ?? [];
   const total = packagesQuery.data?.totalItems ?? 0;
@@ -122,6 +144,36 @@ export default function PackagePage() {
         canSubmit={canSubmit}
         isSaving={isSaving}
       />
+
+      <AlertDialog
+        open={Boolean(packageToDelete)}
+        onOpenChange={handleDeleteDialogOpenChange}
+      >
+        <AlertDialogContent>
+          <AlertDialogHeader>
+            <AlertDialogTitle>Delete package?</AlertDialogTitle>
+            <AlertDialogDescription>
+              This will permanently delete{' '}
+              <span className="font-medium text-foreground">
+                {packageToDelete?.name}
+              </span>
+              . This action cannot be undone.
+            </AlertDialogDescription>
+          </AlertDialogHeader>
+          <AlertDialogFooter>
+            <AlertDialogCancel disabled={deletePackageMutation.isPending}>
+              Cancel
+            </AlertDialogCancel>
+            <AlertDialogAction
+              variant="destructive"
+              disabled={deletePackageMutation.isPending}
+              onClick={confirmDeletePackage}
+            >
+              Delete
+            </AlertDialogAction>
+          </AlertDialogFooter>
+        </AlertDialogContent>
+      </AlertDialog>
     </>
   );
 }