Remove unused function
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@@ -192,39 +192,6 @@ function drawCurve(canvas, counts, maxCount) {
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ctx.stroke();
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}
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/**
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* Return a heatmap-style color for a given ratio (0..1).
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* Low = cool blue/gray, mid = warm amber, high = hot red/pink.
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*/
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function heatmapColor(ratio) {
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// Clamp
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const t = Math.max(0, Math.min(1, ratio));
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// Four-stop gradient: cool → warm → hot
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if (t < 0.33) {
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// Cool muted purple-blue → warm amber
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const s = t / 0.33;
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const r = Math.round(99 + s * (245 - 99));
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const g = Math.round(114 + s * (158 - 114));
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const b = Math.round(176 + s * (48 - 176));
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return `rgba(${r},${g},${b},0.70)`;
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} else if (t < 0.66) {
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// Warm amber → hot orange
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const s = (t - 0.33) / 0.33;
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const r = Math.round(245 + s * (255 - 245));
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const g = Math.round(158 + s * (107 - 158));
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const b = Math.round(48 + s * (35 - 48));
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return `rgba(${r},${g},${b},0.75)`;
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} else {
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// Hot orange → intense red/pink
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const s = (t - 0.66) / 0.34;
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const r = Math.round(255 + s * (255 - 255));
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const g = Math.round(107 + s * (75 - 107));
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const b = Math.round(35 + s * (85 - 35));
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return `rgba(${r},${g},${b},0.80)`;
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}
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}
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/**
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* Remove the heatmap from the DOM.
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*/
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