I was wondering if you couldn't store (stowed away) the clips in different tracks and not on the beginning of playtime track.
It would be more elegant and it would allow a "return to the arrangement" button (my mistake if it already exists).
Technically speaking, playtime could mute and hide the "clip" tracks and the "arrangement" tracks depending on the action performed in playtime. (showing the arragement most of the time and only the clip when edited from playtime)
I don't know if it would represent a lot of work (I am developer but not for vsts :-) )
Anyway, this ableton-like triggering tool is great !