Current theoretical physics struggles to reconcile general relativity with quantum mechanics, resulting in mathematical singularities and the reliance on unverified external fields for mass generation. This paper introduces Resonant Flux Theory (RFT), a fully deterministic, relativistic fluid alternative operating strictly on a rigid Minkowski coordinate lattice. By modeling the fundamental graviton gauge field as a continuous radiation fluid, we establish a rigid causality limit ($P = \frac{1}{