Ben's in the process of hooking up CVS so logging of source changes will be available in the SDM at that point, along with web viewing of differences, etc. Eventually, there will be ways to define who gets to change sources and that sort of thing.
Thus far there's no provision for setting up systemic controls on changes of the sort you're describing. Product development teams usually work under a less formal management structure. However, building a customized front-end to the SDM that enforced such controls wouldn't be terribly difficult, and using the system to do so makes sense.
Whether or not it is worthwhile trying to build in the ability to cater to different styles of management control isn't clear. Making certain that it's easy to extend the basic SDM to fit a particular management environment might make more sense.
