SFL-VIR-01 Viral Variation Belongs to Bounded Genetic Damage Rather Than Evolutionary Innovation

Based on the SFL theoretical framework and initial genetic architecture G₀, this paper reconstructs the analytical framework of viral variation mechanism. Traditional virology regards viral variation as evolutionary behavior generating novel genetic information, whereas this study confirms every virus possesses an invariant initial genetic framework G₀ that fixes its species boundary. All genomic and phenotypic variations arising during replication and transmission derive from passive genetic damage ΔG_d accompanied by genetic information loss, rather than creative evolutionary process. Unified system state equation: G = G₀ + ΔG_d(+) − ΔG_d(−) Long-term variation dissipation constraint formula: ε(T) = o(1/T) Deduction verifies all variation activities are confined within the boundary defined by G₀; viruses cannot cross inherent species limits to complete interspecies transformation, nor spontaneously generate brand-new core genetic structures. This framework resolves logical contradictions existing in traditional viral evolution theories, provides unified rules for interpreting long-term viral variation trends, and proposes an independent analytical perspective separated from conventional evolutionary hypotheses. Meanwhile, this variation mechanism maintains isomorphic consistency with the damage accumulation rule of electronic systems proposed in SFL-EAI serial papers.