## ISSUE #19 — Patch Sweep Heatmap

## ISSUE #19 — Patch Sweep Heatmap

**Purpose:** Causal band visualization.

**Tasks:**

- Layer on x-axis
- ΔNLL or Δsimilarity on y-axis
- Clear color scale
- Highlight stable band

**Acceptance Criteria:**

- Identifiable “sweet spot” region

This is your strongest figure.