feat: full studio build -- light theme, canvas thumbnails, i18n (fa/en)

src/lib/stripe.ts

@@ -0,0 +1,20 @@
+import Stripe from "stripe";
+
+let stripeClient: Stripe | null = null;
+
+export function getStripe(): Stripe {
+  if (!stripeClient) {
+    const secretKey = process.env.STRIPE_SECRET_KEY;
+
+    if (!secretKey) {
+      throw new Error("Missing STRIPE_SECRET_KEY environment variable.");
+    }
+
+    stripeClient = new Stripe(secretKey, {
+      apiVersion: "2026-04-22.dahlia",
+      typescript: true,
+    });
+  }
+
+  return stripeClient;
+}