From AME(4,6) to SU(3)_3 x SU(2)_2 Modular Tensor Category via Walker-Wang - Paper II

[NOTE, June 2026: This paper is part of the AME(4,6)/TOE series whose headline claims were partially retracted. In particular the "zero free parameters" framing and several numerical predictions are withdrawn; see the Status Note at DOI 10.5281/zenodo.20618848 and the maintained mathematics at DOI 10.5281/zenodo.20128951. The text below is unchanged and remains as the record of the programme's history.] Academic reference edition with full bibliography (natbib) and Relation to Prior Work section matching scholarly standards. Physics unchanged. Part of AME(4,6) Theory of Everything series.