This is why I think at some point it'll be vital to be able to poll the bridge API for confirmations. Not only to allow asynchronous UI elements to update correctly, but to allow third parties to debug.

For now, apart from running your own hivemind node and querying it directly, the only way to determine if a hivemind operation has completed is to poll bridge.account_notifications and match on the timestamp of the original broadcast.

^ This is from some documentation I'm working on.