We have the ability to use idempotentcy keys to prevent duplicate posts. Some apps use them. We should add these to PleromaFE to prevent duplicate posts when network connectivity is poor.
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Idempotency key will block an identical status within the same 2 minutes by default.
This can be changed to the same minute, or anything else. for example never allow duplicate posts.
@feld, @wyatt777 in pleroma!1339 (merged) idempotency has been added to all the POST, PUT, PATCH methods in the API so feel free to use it whenever you think it's applicable