feat(intake): implement epic 4 intake core (overview, new flow, layout)

app/epd/patients/[id]/layout.tsx

@@ -0,0 +1,32 @@
+import { getPatient } from '../actions';
+import { ClientHeader } from './components/client-header';
+import { ClientSidebar } from './components/client-sidebar';
+
+export default async function PatientDetailLayout({
+  children,
+  params,
+}: {
+  children: React.ReactNode;
+  params: Promise<{ id: string }>;
+}) {
+  const { id } = await params;
+  const patient = await getPatient(id);
+
+  return (
+    <div className="h-screen flex flex-col">
+      {/* Client Header */}
+      <ClientHeader patient={patient} />
+
+      {/* Main Content Area with Sidebar */}
+      <div className="flex-1 flex overflow-hidden">
+        {/* Sidebar Navigation */}
+        <ClientSidebar patientId={id} />
+
+        {/* Page Content */}
+        <main className="flex-1 overflow-y-auto bg-slate-50">
+          {children}
+        </main>
+      </div>
+    </div>
+  );
+}