The core idea is that there will be a single, unobtrusive "doorway" to the worlds of editing and wagneering that can optionally appear in any "wrapped" view (that is, any slot that's prepped for javascript actions).
The doorway will be customizable; the default will look something like this icon from connectipedia.org:
Mousing over that icon will open up a menu that looks something like:
Clarifications: