S²-11DM²ET-X: Light duality and localized detection (particle) gains non-local enhancement for unification of observational data

Light in the S²-11DM²ET-X model is treated as a quantum field excitation within the Standard Model component of S², modulated by 11D leakage and the immutable 539.9 s GW flux. This framework maintains the fundamental properties of light while incorporating multiversal effects for enhanced clarity in duality and propagation. Photons propagate via vibrational modes gsXM(t)sin⁡(2πt/539.9)g_s X^M(t) \sin(2\pi t / 539.9)gsXM(t)sin(2πt/539.9) in VflavorV_{\text{flavor}}Vflavor extensions and electromagnetic terms in Eleak(t)E_{\text{leak}}(t)Eleak(t), with wave-particle duality arising from -U/+U energy transfer through D2-branes. To enhance clarity, we first derive the invariance of light speed c, then prove duality integration, ensuring all concepts are explained step-by-step.