- the eight toolbar tools now drive real editing: razor splits at the click point, ripple/slip/roll/slide emit new undoable composite commands (ripple_trim_clip, roll_edit, slide_clip, slip_clip), zoom clicks zoom anchored at the cursor, track-select selects the track right of the click; panel tool state and the Tools menu stay in sync both ways - the zoom-in/out toolbar icons now actually zoom (anchored at the playhead) and the snap magnet icon toggles snapping like its checkbox