14-Apr-2026 (v2.0): This is the first public release of the paper and corresponds to Version 2 of the manuscript. It reorganizes the work around Gamma-DG Core I / II, clarifies the positioning of Gamma-DG as a lightweight architectural layer for meaningful access control over TLS, strengthens the threat model and evaluation criteria, adds a secure human–AI dialogue proof-of-concept section, and retains deployment-oriented appendices.
Yoshihito Kawanishi (Tue,) studied this question.