The Terminal Coherence Breaking Point — The Macro-Structural Phase Transition of Interlocking Synthetic Enclosures and Civilizational Phase Collapse

This final monograph synthesizes the grand structural arc of the entire 100-monograph research series. While Nodes 1 through 99 systematically dissected isolated failure vectors across biological, computational, orbital, thermodynamic, legal, and cognitive domains, Node 100 analyzes "The Terminal Coherence Breaking Point": the macro-structural phase transition wherein these interlocking synthetic enclosures reach simultaneous, non-linear saturation. We model the cross-domain coupling matrix (Jij) connecting disparate technological failures—from thermal dissipation ceilings and orbital debris cascades to sovereign liquidation and somatic extraction. We construct a non-linear Langevin differential model governed by a double-well potential landscape 𝒱⁡(𝒞), proving how aggregate systemic stress drives global coherence (𝒞⁡(𝑡)→0) through an irreversible pitchfork bifurcation. Finally, we establish the three Master Invariants (First-Principles Thermodynamic Grounding, Modular Sub-System Decoupling, and the Inviolability of Human Sovereign Agency) to preserve human civilization post-collapse.