- With several layers selected and the same interactions, the Prototype panel edits them all
(add, remove, trigger, action, animation).
- With different interactions it shows "Mixed": + replaces them all with one new click
interaction (one undo step), Remove all clears them.
- New command `proto.interaction.clear {ids?}`.
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>