gradcam v2: gradcam_swin_b.png

gradcam v2: gradcam_retfound.png

gradcam v2: gradcam_dinov2_l.png

Add academic polish: inference example, hparams, CITATION.cff, dataset figures, per-class CSVs

Add Grad-CAM saliency maps for 6 CNN-class models

Add post-hoc analysis: confusion matrices, ROC, reliability, per-class F1, accuracy ranking

initial commit