This sounds like more of an issue with technical debt management. I'm much more of a proponent of Kanban, whenever possible, so in this case if a user story requires a refactor or architectural change then that's just fine. Also regular code reviews to eliminate hacking and sanity checking automated tests shouldn't be made optional, they should be actively encouraged by the team leads and dev manager.
Noseshine|9 years ago
specialist|9 years ago
https://en.wikipedia.org/wiki/Concentration_(game)
As though a useful, usable product design (architecture) could be divined thru piecemeal revelation.