2026-06-05: UX polish — cleaner intro, distance slider, remove redundant button

2026-06-05: warm up SHAP at startup (fix first-click freeze)

2026-06-05: fix UX freeze — remove demo.load storm (keep tab-1 only)

2026-06-05: audit fixes — directed GNN edges, realistic cost model, 85% stream catch, cross-dataset tab

2026-06-05: deploy fraud detection dashboard (LightGBM + GNN + autoencoder, SHAP, drift, live scoring)

initial commit