Bug: Error when getting messages after a timestamp

[hookie256]

Describe the bug

When searching for messages with the afterNs field set to value larger than 1736500884940070000, the previous message with "sentNs": 1736500884940070000 is still being fetched after retrieving the data.

const messages = await conv.messages({
direction: 'DESCENDING',
afterNs: updateTime,
})

Expected behavior

No response

Steps to reproduce the bug

No response