117 completed payloads now show a strong crossed-pattern geometry signal: crossed peak isotropy advantage is +0.20483 +/- 0.00153, crossed-mid peak wavenumber shifts by -0.04628 +/- 0.00026, and both are 100.0% sign-consistent; by contrast high-crossed peak-score gain is only +0.00763 +/- 0.00464 and high-crossed band narrowing is -0.00022 +/- 0.00012, so spectral sharpening is weak compared with isotropy changes.
Crossed feed-diffusion coupling is reorganizing pattern orientation more than it is amplifying the dominant mode. The large isotropy advantage means the crossed geometry robustly suppresses directional bias, effectively rotating or smoothing the pattern spectrum toward more isotropic peaks. Because peak-score and bandwidth changes stay small, the main mechanism is geometric redistribution of power rather than stronger mode selection. The implication is that crossed coupling is a reliable pattern-shape control, but not yet a strong route to sharper or higher-contrast Schnakenberg peaks.
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