chore: import upstream snapshot with attribution

apps/webapp/app/services/scheduleEmail.server.ts

@@ -0,0 +1,16 @@
+import type { DeliverEmail } from "emails";
+import { commonWorker } from "~/v3/commonWorker.server";
+
+// Lives outside email.server.ts so that the SMTP/Resend client module
+// stays a leaf dependency. Pulling commonWorker from email.server poisoned
+// every consumer of the auth chain (auth → emailAuth → email) with the
+// V1+V2 worker tree, which transitively loads marqs and trips Redis-env
+// guards in any vitest file whose import graph reaches it.
+export async function scheduleEmail(data: DeliverEmail, delay?: { seconds: number }) {
+  const availableAt = delay ? new Date(Date.now() + delay.seconds * 1000) : undefined;
+  await commonWorker.enqueue({
+    job: "scheduleEmail",
+    payload: data,
+    availableAt,
+  });
+}