You can't do both in a scroll. So you start over somewhere else and hope you carried the parts that mattered.
You chase a tangent.
Select the reply and branch it. The tangent becomes its own node, and the thread you were on stays exactly where you left it.
You open a new chat and paste the context back in by hand.
Drag a wire instead. Every node inherits the full history of everything upstream of it, oldest first.
You switch models and the conversation doesn't come with you.
Pick a model per node. Draft on a cheap one, reason on an expensive one, on the same canvas with the same context.
Highlight a sentence in an answer and branch it. You get a new node wired to the original, carrying the thread up to that point plus the text you picked.
Draft on a cheap one, reason on an expensive one.
Add a provider key to unlock its models.
A node walks its whole ancestor graph, oldest first, and inherits exactly what you connected to it. Nothing to copy across.
Text nodes hold notes that become reference material for everything downstream of them.
A branch sees the conversation as it was at the split, not whatever the parent went on to say afterwards.
A new chat starts empty. You paste the background back in by hand, you guess at which parts mattered, and the thread you came from is now somewhere else entirely.
A branch keeps the link. The new node inherits the conversation up to the point you split, the original is untouched, and both sit on the same canvas where you can see how they relate.
Short answers, and honest ones where it matters.
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