Branching sessions on message edit #1578
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Allows users to edit a previous message, which will cause the session to branch off on the spot so no messages in the original session get lost
The newly created session gets a parent session id and position of the message it was branched off from, allowing for future features that may be interesting to have (tracing a session tree, branching off a question to multiple different models/agents at the same time, etc.)
Screencast
Screencast.From.2026-02-03.13-45-44.mp4