New curt_calib parameter (CUAS RT dialog, saved/restored) runs/bypasses the
per-sensor photometric (re)calibration as the first step of the CUAS RT
processing flow, before detection (no longer tied to the diagnostic).
Extracted CuasMotion.rtPhotometricCalibration() = convertFromData() (upload
+ own uniform grid convert, split out of perSensorFromData) + fit + apply/
save. Production step converts and calibrates without saving stacks; the
curt_cond_test diagnostic (replaces detection) keeps the raw-vs-conditioned
stack compare and makes the calibration step save -CUAS-PERSENSOR[-ADJ].
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>