This work presents a closed and non-predictive scientific corpus dedicated to the structural analysis of political systems through the Crowd-Based Dynamics (CBD) framework. Political governance is treated as an emergent property of collective dynamics, shaped by mimetic accumulation, saturation, and temporal loss of governability, independently of ideologies, actors’ intentions, or contingent events. The corpus is structured into four complementary documents. Document I establishes the foundational structural laws and political regimes. Document II provides a rigorous diagnostic methodology for identifying regimes, transitions, and trajectories without predictive intent. Document III formalizes political governability, its temporal degradation, and the irreversible limits of intervention, including the Sterking Limit. Document IV defines the conditions for responsible institutional implementation, framing CBD as a governability audit tool rather than a mechanism of control or decision-making. Together, these documents offer a coherent, theoretically closed framework for understanding political stability, crisis, and irreversibility as collective phenomena, intended for scientific research, institutional analysis, and governance auditing.