chore: initial project import

app/super-admin/settings/page.tsx

@@ -0,0 +1,100 @@
+import Link from "next/link";
+import { getSession } from "@/lib/auth";
+import { prisma } from "@/lib/prisma";
+import { ShellPage } from "@/components/page-templates";
+import { TablePlaceholder } from "@/components/placeholders";
+
+function formatDate(date: Date | null) {
+  if (!date) {
+    return "-";
+  }
+
+  return new Intl.DateTimeFormat("id-ID", {
+    day: "2-digit",
+    month: "short",
+    year: "numeric"
+  }).format(date);
+}
+
+export default async function SuperAdminSettingsPage() {
+  const session = await getSession();
+  if (!session || session.role !== "super_admin") {
+    return (
+      <ShellPage shell="super-admin" title="Platform Settings" description="Pricing config, feature flags, dan template policy config.">
+        <p className="rounded-xl border border-warning/30 bg-warning/10 p-3 text-sm text-warning">Akses super-admin diperlukan.</p>
+      </ShellPage>
+    );
+  }
+
+  const [tenantCountByStatus, planCount, lastInvoiceDate, channelStatus] = await Promise.all([
+    prisma.tenant.groupBy({
+      by: ["status"],
+      _count: { _all: true }
+    }),
+    prisma.subscriptionPlan.count(),
+    prisma.billingInvoice.findFirst({
+      orderBy: { createdAt: "desc" },
+      select: { createdAt: true }
+    }),
+    prisma.channel.groupBy({
+      by: ["status"],
+      _count: { _all: true }
+    })
+  ]);
+
+  const modules = [
+    {
+      name: "Subscription plans",
+      purpose: "Plan catalog dan metadata harga",
+      route: "/super-admin/billing/plans",
+      status: `${planCount} plans`
+    },
+    {
+      name: "Tenant management",
+      purpose: "Pengelolaan tenant, status, dan limit",
+      route: "/super-admin/tenants",
+      status: `${tenantCountByStatus.reduce((acc, item) => acc + item._count._all, 0)} tenants`
+    },
+    {
+      name: "Channel registry",
+      purpose: "Provider channel dan health status",
+      route: "/super-admin/channels",
+      status: `Connected: ${channelStatus.find((item) => item.status === "CONNECTED")?._count._all ?? 0}`
+    },
+    {
+      name: "Webhook logs",
+      purpose: "Monitoring event provider",
+      route: "/super-admin/webhook-logs",
+      status: "Realtime stream"
+    },
+    {
+      name: "Template policy",
+      purpose: "Approval dan pembatasan template",
+      route: "/templates",
+      status: "Review by tenant"
+    },
+    {
+      name: "Invoice monitoring",
+      purpose: "Status pembayaran tenant",
+      route: "/super-admin/billing/invoices",
+      status: lastInvoiceDate ? `Last: ${formatDate(lastInvoiceDate.createdAt)}` : "No invoices"
+    }
+  ];
+
+  return (
+    <ShellPage shell="super-admin" title="Platform Settings" description="Overview setting-platform berdasarkan data operasional real-time.">
+      <TablePlaceholder
+        title="Platform settings modules"
+        columns={["Module", "Purpose", "Route", "Status"]}
+        rows={modules.map((module) => [
+          module.name,
+          module.purpose,
+          <Link key={`${module.name}-route`} href={module.route} className="text-brand hover:underline">
+            {module.route}
+          </Link>,
+          module.status
+        ])}
+      />
+    </ShellPage>
+  );
+}