Make scheduling and dates timezone-safe

apps/worker/src/index.ts

@@ -11,6 +11,7 @@ import {
   type BackgroundJob,
 } from "../../web/src/server/jobs/queue";
 import { sendScheduledInvoice } from "./send-invoice";
+import { sendInvoiceReminder } from "../../web/src/server/jobs/handlers/invoice-reminder";
 
 const workerId = `beenvoice-worker:${randomUUID()}`;
 const pollMs = Number(process.env.WORKER_POLL_MS ?? 2_000);
@@ -69,6 +70,10 @@ async function handleJob(job: BackgroundJob) {
     await sendScheduledInvoice(job);
     return;
   }
+  if (job.type === jobTypes.sendInvoiceReminder) {
+    await sendInvoiceReminder(job);
+    return;
+  }
   throw new Error(`No handler registered for ${job.type}`);
 }
 

apps/worker/tests/recurring-invoices.test.ts

@@ -5,14 +5,14 @@ import { nextDueDate } from "../../web/src/server/services/recurring-invoices";
 describe("recurring invoice scheduling", () => {
   test("advances weekly schedules from their scheduled occurrence", () => {
     const scheduledFor = new Date("2026-08-17T12:00:00.000Z");
-    expect(nextDueDate("weekly", scheduledFor).toISOString()).toBe(
-      "2026-08-24T12:00:00.000Z",
-    );
+    expect(
+      nextDueDate("weekly", scheduledFor, "America/New_York").toISOString(),
+    ).toBe("2026-08-24T12:00:00.000Z");
   });
 
   test("does not mutate the source date", () => {
     const scheduledFor = new Date("2026-08-17T12:00:00.000Z");
-    nextDueDate("monthly", scheduledFor);
+    nextDueDate("monthly", scheduledFor, "America/New_York");
     expect(scheduledFor.toISOString()).toBe("2026-08-17T12:00:00.000Z");
   });
 });