Colonygrid: Plate QA

Colonygrid is a private plate-quality workbench for iPhone and iPad. It keeps the image, capture diagnostics, analysis settings, reviewer decisions, weighted APC math, and export integrity together in one local batch casebook. INSPECT THE SOURCE IMAGE - Import with Apple's system Photos picker or explicitly invoke the camera. - Review heuristic tonal, clipping, focus-detail, illumination, and plate-ROI diagnostics. - Use automatic Otsu or a documented manual threshold. - Tune polarity, circular ROI, morphology, area, shape, and edge controls. - See every retained region directly on the plate image. REVIEW WITHOUT ERASING HISTORY - Add a missed colony or exclude an automatic region without overwriting the automatic result. - Retain every analysis revision with its settings and capture report. - Classify a plate as exact count, no growth, TNTC, spreader, or laboratory accident. - Sign the…