feat(db): mesh data model — meshes, members, invites, audit log

- pgSchema "mesh" with 4 tables isolating the peer mesh domain
- Enums: visibility, transport, tier, role
- audit_log is metadata-only (E2E encryption enforced at broker/client)
- Cascade on mesh delete, soft-delete via archivedAt/revokedAt

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

apps/web/src/modules/billing/lib/api.ts

@@ -0,0 +1,38 @@
+import { handle } from "@turbostarter/api/utils";
+
+import { api } from "~/lib/api/client";
+
+import type { InferRequestType } from "hono/client";
+
+const KEY = "billing";
+
+const queries = {
+  customer: {
+    get: {
+      queryKey: [KEY, "customer"],
+      queryFn: () => handle(api.billing.customer.$get)(),
+    },
+  },
+};
+
+const mutations = {
+  portal: {
+    get: {
+      mutationKey: [KEY, "portal"],
+      mutationFn: (data: InferRequestType<typeof api.billing.portal.$get>) =>
+        handle(api.billing.portal.$get)(data),
+    },
+  },
+  checkout: {
+    create: {
+      mutationKey: [KEY, "checkout"],
+      mutationFn: (data: InferRequestType<typeof api.billing.checkout.$post>) =>
+        handle(api.billing.checkout.$post)(data),
+    },
+  },
+};
+
+export const billing = {
+  queries,
+  mutations,
+};