Declarations

. The source supplies analytical arguments. No successful pdflatex execution, numerical optimization, proof-assistant verification, independent technical review, or journal acceptance is asserted.

and source accessibility. Author metadata follows the supplied Cheung predecessor sources. The responsible author should confirm authorship and archival accessibility of the unpublished comparisons before submission. Missing publication metadata and persistent identifiers are not invented.

and scope. Exact correction, no-hiding, Stinespring dilation, stabilizer structure, and information–disturbance are established theories. The present manuscript does not claim priority for them. Its explicit comparisons do not identify different models, resource conventions, or geometric observables.