expect(next).toBe(anchor + 30_000);

});

it("advances when now matches a later every interval boundary", () => {

const anchor = Date.parse("2025-12-13T00:00:00.000Z");

const now = anchor + 30_000;

const next = computeNextRunAtMs({ kind: "every", everyMs: 30_000, anchorMs: anchor }, now);

expect(next).toBe(anchor + 60_000);

});

it("never returns a past timestamp for Asia/Shanghai daily schedule (#30351)", () => {

const nowMs = Date.parse("2026-03-01T00:00:00.000Z");

const next = computeNextRunAtMs(