's'

app/api/auth/email/route.ts

@@ -0,0 +1,19 @@
+/**
+ * 从 Cookie 读取邮箱（不调用 PB），用于 emailLinked=1 但 userName 被覆盖的场景
+ */
+import { NextRequest, NextResponse } from "next/server";
+import { COOKIE_NAME } from "@/app/lib/auth-cookie";
+
+export async function GET(request: NextRequest) {
+  const cookie = request.cookies.get(COOKIE_NAME)?.value;
+  if (!cookie) {
+    return NextResponse.json({ ok: true, email: null });
+  }
+  try {
+    const payload = JSON.parse(Buffer.from(cookie, "base64url").toString("utf-8"));
+    const email = payload?.email ?? null;
+    return NextResponse.json({ ok: true, email: typeof email === "string" ? email : null });
+  } catch {
+    return NextResponse.json({ ok: true, email: null });
+  }
+}