LFIS–15: Light Frame Infrastructure Series — Symmetric Inward and Outward Representability Limits: Volume 15

LFIS–15 formalizes the symmetry between inward and outward representational limits in Light Frame Cadence Theory. This volume shows that inward concentration and outward relaxation arise from the same finite representability constraint and differ only in how representational burden is redistributed within a Light Frame. Neither limit introduces new structure; both follow necessarily from invariant cadence under bounded representability. Inward and outward limits are treated as terminal representational regimes, not as processes of collapse, expansion, or instability. Each marks the completion of representational obligation under the same capacity constraint, resolved in opposite orientations of curvature redistribution. All results in LFIS–15 are stated strictly at the level of structural constraints. No assumptions are made about cosmological models, metric evolution, field dynamics, transport mechanisms, or global time. The volume does not introduce dynamics or causal explanations; it clarifies symmetry at the level of admissible representation. LFIS–15 establishes symmetric inward and outward representability limits as canonical features of the Light Frame Infrastructure Series and completes the articulation of terminal regimes governing representational completion.