Fix TDZ ReferenceError: contrast_summary uses DATA.parsed.diagnosis directly

Canvas: devicePixelRatio-aware backing + multi-checkpoint redraw + big dot

Fix canvas/Plotly black after auth unlock — MutationObserver redraw

Ambiguous merge fix: collapse consecutive fixation/no-finding into single 애매 segment

Merge ambiguous segments + eye-trajectory canvas animation

three_way v3: full coverage prompt + eye-trajectory canvas (PHI-free)

Folder navigation: Home → Groups → Cases. Keep only best run (3-way v2, 6/8).

four_way v2: full temporal coverage + per-segment specific descriptions

seg_four_way: PD + BPPV + Control 3-cohort contrast

three_way v2: real phaseCorrelate torsion + saccade detection

Add seg_three_way (PD cohort vs Control cohort blind contrast)

Anonymized PD/BPPV viewer with auth gate + video sync