Billing rework

src/app/[locale]/settings/billing/page.tsx

@@ -0,0 +1,46 @@
+import { getTranslations } from "next-intl/server";
+import { redirect, notFound } from "next/navigation";
+import { getSessionUser, canMutate } from "@/lib/session";
+import { getOrgBilling } from "@/lib/db";
+import { BillingSettingsForm } from "@/components/settings/billing-settings-form";
+
+/**
+ * /settings/billing — view and edit org-scoped billing (Bug 34/35).
+ *
+ * Server-side fetches the existing record (if any) and passes it to
+ * the client form. The form posts to PUT /api/billing on submit.
+ *
+ * Access: same gate as the API — owners and platform admins. `user`
+ * role redirects to /settings (which also wouldn't list billing for
+ * them). 403 here would be friendlier than redirect, but the most
+ * likely cause of a `user` landing on this URL is sharing a bookmark
+ * with their owner — silent redirect is gentle.
+ */
+export default async function BillingSettingsPage() {
+  const user = await getSessionUser();
+  if (!user) redirect("/login");
+  if (!canMutate(user)) {
+    redirect("/settings");
+  }
+  const t = await getTranslations("settingsBilling");
+
+  const billing = await getOrgBilling(user.orgId);
+
+  return (
+    <main className="max-w-3xl mx-auto px-6 py-8">
+      <div className="mb-8 animate-in">
+        <h1 className="font-display text-2xl font-semibold accent-rule">
+          {t("title")}
+        </h1>
+        <p className="text-sm text-text-secondary mt-3">{t("subtitle")}</p>
+      </div>
+
+      <BillingSettingsForm
+        initial={billing}
+        isPersonal={user.isPersonal}
+        orgName={user.orgName}
+        userName={user.name}
+      />
+    </main>
+  );
+}