Treaty survival through an Incomparable carrier conversion

What would likely have happened to Incomparable under postwar naval treaties?

She would probably have needed conversion into an aircraft carrier to survive the treaty settlement.

Incomparable would probably have had to become an aircraft carrier to survive a postwar treaty settlement. This is a counterfactual judgment about a projected battlecruiser rather than a completed ship. Conversion is presented as the only politically plausible way to preserve such a large hull. Arms-control limits would therefore determine how the capital-ship construction could be reused.