The proliferation of AI-generated manuscripts, paper mill publications, and fabricated experimental data has precipitated a crisis of integrity in academic publishing, with more than 50,000 retracted papers catalogued by the Retraction Watch database to date. Existing detection tools, including GPTZero and the Turnitin AI detection module, operate exclusively on surface-level textual features, rendering them vulnerable to sophisticated paraphrasing attacks and categorically blind to structural m