feat(mobile): swap admin page headers to PageHeader

Mechanical sweep replacing the plain h1+p header markup with the
mobile-aware PageHeader primitive across 12 admin pages: index,
backup, branding, documenso, email, import, invitations, monitoring,
onboarding, reminders, reports, webhooks. Webhooks "Add Webhook"
button preserved via the actions slot.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/app/(dashboard)/[portSlug]/admin/webhooks/page.tsx

@@ -2,6 +2,7 @@
 
 import { useCallback, useEffect, useState } from 'react';
 import { Button } from '@/components/ui/button';
+import { PageHeader } from '@/components/shared/page-header';
 import { Badge } from '@/components/ui/badge';
 import {
   AlertDialog,
@@ -36,7 +37,11 @@ export default function WebhooksPage() {
   const [deleteTarget, setDeleteTarget] = useState<Webhook | null>(null);
   const [expandedId, setExpandedId] = useState<string | null>(null);
   const [regenerating, setRegenerating] = useState<string | null>(null);
-  const [newSecret, setNewSecret] = useState<{ webhookId: string; secret: string; masked: string } | null>(null);
+  const [newSecret, setNewSecret] = useState<{
+    webhookId: string;
+    secret: string;
+    masked: string;
+  } | null>(null);
 
   const loadWebhooks = useCallback(async () => {
     try {
@@ -98,15 +103,20 @@ export default function WebhooksPage() {
 
   return (
     <div className="space-y-6">
-      <div className="flex items-center justify-between">
-        <div>
-          <h1 className="text-2xl font-bold text-foreground">Webhooks</h1>
-          <p className="text-muted-foreground">Configure outgoing webhook integrations</p>
-        </div>
-        <Button onClick={() => { setEditTarget(null); setFormOpen(true); }}>
-          Add Webhook
-        </Button>
-      </div>
+      <PageHeader
+        title="Webhooks"
+        description="Configure outgoing webhook integrations"
+        actions={
+          <Button
+            onClick={() => {
+              setEditTarget(null);
+              setFormOpen(true);
+            }}
+          >
+            Add Webhook
+          </Button>
+        }
+      />
 
       {loading ? (
         <p className="text-sm text-muted-foreground">Loading...</p>
@@ -116,7 +126,13 @@ export default function WebhooksPage() {
           <p className="text-sm text-muted-foreground mt-1">
             Add a webhook to receive real-time notifications of CRM events.
           </p>
-          <Button className="mt-4" onClick={() => { setEditTarget(null); setFormOpen(true); }}>
+          <Button
+            className="mt-4"
+            onClick={() => {
+              setEditTarget(null);
+              setFormOpen(true);
+            }}
+          >
             Add Webhook
           </Button>
         </div>
@@ -141,17 +157,16 @@ export default function WebhooksPage() {
                 </div>
 
                 <div className="flex items-center gap-2 shrink-0">
-                  <Button
-                    variant="ghost"
-                    size="sm"
-                    onClick={() => handleToggleActive(webhook)}
-                  >
+                  <Button variant="ghost" size="sm" onClick={() => handleToggleActive(webhook)}>
                     {webhook.isActive ? 'Disable' : 'Enable'}
                   </Button>
                   <Button
                     variant="ghost"
                     size="sm"
-                    onClick={() => { setEditTarget(webhook); setFormOpen(true); }}
+                    onClick={() => {
+                      setEditTarget(webhook);
+                      setFormOpen(true);
+                    }}
                   >
                     Edit
                   </Button>
@@ -163,11 +178,7 @@ export default function WebhooksPage() {
                   >
                     Delete
                   </Button>
-                  <Button
-                    variant="ghost"
-                    size="sm"
-                    onClick={() => toggleExpand(webhook.id)}
-                  >
+                  <Button variant="ghost" size="sm" onClick={() => toggleExpand(webhook.id)}>
                     {expandedId === webhook.id ? 'Collapse' : 'Details'}
                   </Button>
                 </div>
@@ -228,18 +239,26 @@ export default function WebhooksPage() {
         onSuccess={loadWebhooks}
       />
 
-      <AlertDialog open={!!deleteTarget} onOpenChange={(open) => { if (!open) setDeleteTarget(null); }}>
+      <AlertDialog
+        open={!!deleteTarget}
+        onOpenChange={(open) => {
+          if (!open) setDeleteTarget(null);
+        }}
+      >
         <AlertDialogContent>
           <AlertDialogHeader>
             <AlertDialogTitle>Delete Webhook</AlertDialogTitle>
             <AlertDialogDescription>
-              Delete &quot;{deleteTarget?.name}&quot;? This will also delete all delivery history. This action
-              cannot be undone.
+              Delete &quot;{deleteTarget?.name}&quot;? This will also delete all delivery history.
+              This action cannot be undone.
             </AlertDialogDescription>
           </AlertDialogHeader>
           <AlertDialogFooter>
             <AlertDialogCancel>Cancel</AlertDialogCancel>
-            <AlertDialogAction onClick={handleDelete} className="bg-destructive text-destructive-foreground">
+            <AlertDialogAction
+              onClick={handleDelete}
+              className="bg-destructive text-destructive-foreground"
+            >
               Delete
             </AlertDialogAction>
           </AlertDialogFooter>