2026-06-05: fix ATE line color — amber dashed to contrast green bars

2026-06-05: fix scroll lock — add scroll_to_output=False to all click handlers

2026-06-05: fix ROOT path for HF Space — use parent not parents[1]

2026-06-05: move CUPED to Power Analysis tab — correct temporal placement

2026-06-05: fix CUPED table framing — show users required not effective size

2026-06-04: Fix theme placement — gr.Blocks() works on both Gradio 5 and 6

2026-06-04: Audit fixes — 16s->0.4s, memory leak, hte_app.json 23KB, model instance fix

2026-06-04: Fix KeyError bin_edges -> edges in plot_hte

2026-06-04: Fix theme placement — back to Blocks() for Gradio 5.x

2026-06-04: Initial deployment — A/B Testing & Causal Inference Simulator