Eg., treating AI code generated as immediately legacy, with tight encapsulation boundaries, well-defined interfaces etc. And integrating in a more manual workflow.

There's a range from single-shot prompts to inline code generation, that will make more sense depending on the problem and where in the code base it is.

Single-shot stuff is going to make more sense for a protyping phase with extensive spec iteration. Once that prototype is in place, you then prob want to drop down into per-module/per-file generation, and be more systematic -- always maintaining a reasonably good mental model at this layer.