Add public profiles and cosmetic shop

lib/profile-cosmetics.ts

@@ -0,0 +1,15 @@
+import "server-only";
+import { admin, required } from "./supabase";
+import {
+  cosmeticShopStateSchema,
+  type CosmeticShopState,
+} from "@/shared/profile-cosmetics";
+
+export async function profileCosmeticsState(
+  userId: string,
+): Promise<CosmeticShopState> {
+  const result = required(
+    await admin().rpc("cosmetics_shop_state", { p_user: userId }),
+  );
+  return cosmeticShopStateSchema.parse(result);
+}