feat: migrate clients module to patients + add docs

app/epd/_archive/clients_backup_20251122/[id]/edit/page.tsx

@@ -0,0 +1,49 @@
+import { notFound } from 'next/navigation';
+import { ChevronLeft } from 'lucide-react';
+import Link from 'next/link';
+import { getClient } from '../../actions';
+import { ClientForm } from '../../components/client-form';
+
+interface EditClientPageProps {
+  params: Promise<{ id: string }>;
+}
+
+export default async function EditClientPage({ params }: EditClientPageProps) {
+  const { id } = await params;
+
+  // Fetch client data
+  let client;
+  try {
+    client = await getClient(id);
+  } catch (error) {
+    notFound();
+  }
+
+  if (!client) {
+    notFound();
+  }
+
+  return (
+    <div className="px-4 sm:px-6 lg:px-8 py-8 max-w-2xl mx-auto">
+      {/* Back Button */}
+      <Link
+        href={`/epd/clients/${id}`}
+        className="inline-flex items-center gap-2 text-sm text-slate-600 hover:text-slate-900 mb-6 transition-colors"
+      >
+        <ChevronLeft className="h-4 w-4" />
+        <span>Terug naar cliënt</span>
+      </Link>
+
+      {/* Page Header */}
+      <div className="mb-8">
+        <h1 className="text-2xl font-bold text-slate-900">Cliënt bewerken</h1>
+        <p className="text-sm text-slate-600 mt-1">
+          Wijzig de gegevens van {client.first_name} {client.last_name}
+        </p>
+      </div>
+
+      {/* Form */}
+      <ClientForm client={client} />
+    </div>
+  );
+}