feat : update

lib/auth/email.ts

@@ -0,0 +1,18 @@
+import "server-only";
+
+const FROM = "Buzz Guide <[email protected]>";
+
+export async function sendAuthEmail(to: string, subject: string, text: string): Promise<void> {
+  const apiKey = process.env.RESEND_API_KEY;
+  if (!apiKey) throw new Error("RESEND_API_KEY is required for authentication email.");
+
+  const response = await fetch("https://api.resend.com/emails", {
+    method: "POST",
+    headers: {
+      Authorization: `Bearer ${apiKey}`,
+      "Content-Type": "application/json",
+    },
+    body: JSON.stringify({ from: FROM, to: [to], subject, text }),
+  });
+  if (!response.ok) throw new Error(`Authentication email delivery failed (${response.status}).`);
+}