Intrusion and Collapse: How Deferred Contact Becomes Debt in Psyche and Society

This paper develops a Structural Intelligence (SI) account of collapse as forced contact: the point at which reality becomes non-optional because substitution can no longer be sustained. It proposes a bridge thesis linking individual intrusion phenomena to collapse dynamics across personal and societal scales. Intrusion is defined as occupancy of steering by a competing loop, operationalized through time-local occupancy and time-averaged load. The paper introduces structural debt as the conserved remainder of refused contact created by substitution and argues that this debt is subject to maintenance inflation: the cost of suppressing returning contact rises over time, increasing collapse risk. It then translates Jungian complex psychology into this framework by treating complexes as intrusion-capable structures and the shadow as the ledger of refused contact. Finally, the paper scales the same dynamics to society through the concepts of network viscosity and epistemic exchange rate, showing how environments that make coherence cheaper than verification can drift toward theater, scapegoating, and collapse. The result is a philosophical systems model connecting psyche, epistemology, and social breakdown.