Allocation Capacity Theory Reserve Sensing, Domain Prioritization, Synchronization Failure, and Encoded State Across Biology

Biological systems do not allocate resources to repair alone. They continuously distribute limited sensed reserves across repair, growth, defense, reproduction, storage, structure, pigmentation, cognition, and movement. This manuscript proposes Allocation Capacity Theory: a cross-scale framework in which resilience depends on the ability to sense reserve state, prioritize competing biological domains, synchronize their recovery timescales, and prevent one domain from remaining active while another remains structurally unrepaired. The framework extends Recovery Capacity, Allocation Geometry, Temporal Debt, and Recovery-Encoding Tradeoff models by placing an upstream decision layer above repair machinery. GCN2 and the integrated stress response (ISR) are treated as flagship molecular examples of reserve-state sensing: uncharged tRNAs, nutrient scarcity, oxidative stress, ribosomal stress, and related perturbations converge on eIF2alpha phosphorylation, reduced global translation, selective ATF4 translation, and reprogramming of amino-acid transport, sulfur metabolism, redox support, autophagy, wound repair, and stress adaptation. The central claim is not that GCN2 controls all allocation. Rather, GCN2/ISR demonstrates the principle that biological execution depends on sensed affordability. DNA contains potential programs; allocation determines which programs can be executed, when, and at what cost. The paper integrates evidence from life-history theory, ISR biology, wound healing, cancer as dysregulated wound-like growth, hair and pigmentation as visible encoded-state outputs, fibrosis and chronic inflammation as maladaptive domain persistence, bone versus flesh repair timescales, aging resilience, and inter-organ communication. We propose formal domain-allocation equations, a synchronization index, temporal-debt formalization, recovery-half-life metrics, and falsifiable validation protocols. The strongest prediction is that disease risk should rise when allocation domains lose timing coherence: growth, defense, scarring, or surface closure continues while deeper structural repair remains incomplete. This reframes many chronic conditions as failures of domain prioritization and synchronization rather than failures of one molecule or one pathway. Keywords: allocation capacity; GCN2; integrated stress response; ATF4; recovery kinetics; temporal debt; hair graying; cancer; wound healing; fibrosis; life-history theory; biological resilience; domain synchronization