Should we write technical stories against business stories where technical stories will have class diagrams or sequence diagrams, or where technical items will be broken down into design tasks extracted from business stories?

This question is broken out from the original question as asked by Mark Phillips and CodeGnome.

Should we write technical stories against business stories where technical stories will have class diagrams or sequence diagrams, or where technical items will be broken down into design tasks extracted from business stories?

This question is broken out from the original question as asked by Mark Phillips and CodeGnome.

Should we write technical stories against business stories where technical stories will have class diagram/sequence diagram or technical items will be tasks of business stories as design items.

Question is broken from the original question as asked by Mark Phillips and CodeGnome

Should we write technical stories against business stories where technical stories will have class diagrams or sequence diagrams, or where technical items will be broken down into design tasks extracted from business stories?

This question is broken out from the original question as asked by Mark Phillips and CodeGnome.