Closure-First Planck Length and Newton Constant from Atomic Spectroscopy in Mittermeier Attractor Theory (MAT): Effective Electron Boundary Action and the Rydberg SI Bridge

Mittermeier Attractor Theory, MAT, Newton constant, gravitational constant, closure-first physics, atomic spectroscopy, Rydberg constant, Planck units, Planck length, electron mass, electron-to-Planck mass ratio, fine-structure constant, SI metrology, CODATA, fundamental constants, vacuum flow, RG attractor, support-to-chart residue, electron boundary action, Rydberg SI bridge, quantum gravity phenomenology