Browser compact validation:
- wedge equation residual should converge downward with more sweeps
- full-cube and wedge-reconstructed fields should agree closely at sampled points
- the compact wedge should store far fewer scalar values than the full interior cube

Historical H-109 R80 architecture:
- full reference field: 30.460 GiB
- exact disk wedge: 1.910 GiB
- active exact photon field cache: 64 KiB
- exact path/vector miss: 0.000e+00 / 0.000e+00
- route / wall hits identical: True / True

The browser normalized field amplitude is for interactive verification only; use the historical Python package for the published-scale audit.
