Step 6: Epipolar Geometry — sparse stereo matching with F matrix, ORB keypoints, template matching along epipolar lines

ROI: validate end>start (error instead of crash) + pixel ruler overlay

fix: stop image vibration caused by coupled number_input min_value

fix: batch of bug fixes and missing features

feat: add Depth Anything V2 Small NN depth comparison

refactor: tab-based routing with two pipelines (Stereo+Depth & Generalisation)