PostEaseCould a post publish twice?
No. A post can only move from claimed to publishing once. A duplicate queue delivery for a target already past that point is a no-op, not a second attempt.
Published Aug 31, 2026
1. The queue can redeliver a message
Cloudflare Queues (what carries a scheduled post to the moment it publishes) guarantees at-least-once delivery. The same message can legitimately arrive a second time. That is by design, not a bug.
2. A post moves from claimed to publishing exactly once
That transition is a single conditional database update: it only succeeds if the post is still sitting at claimed. A redelivered message for a post already past that point changes nothing and is treated as already handled, not retried.
3. No second attempt, no second post
The publisher, the code that calls the platform's API, is never invoked twice for the same post target. A duplicate delivery is a no-op at the database level, before anything gets anywhere near YouTube.
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