A Phenomenological Baseline for Falsification: Scale-Dependent M_{dyn}/M_{phot} Ratios in High-z Compact Sources.

This technical memorandum establishes an observational diagnostic framework for interpreting the dynamical-to-photometric mass tension identified in JWST-observed "Little Red Dot" (LRD) populations at z > 6. We propose a specific radial scaling relation, D(R), which predicts a characteristic deficit in expected virial velocity dispersion. This baseline is designed to facilitate empirical falsification against standard baryonic systematics, such as radial IMF gradients or mass-to-light (M/L) variations.