전략 시간봉 오류 수정

frontend/src/components/IndicatorSettingsSections.tsx

@@ -191,7 +191,7 @@ export const PlotSettingsRow: React.FC<{
           isHistogram && indicatorType === 'MACD' ? (
             <div className="ism-hist-colors">
               <div className="ism-hist-color-field">
-                <span className="ism-style-label">상승</span>
+                <span className="ism-style-label">0선 위</span>
                 <ColorInput
                   value={resolveHistogramUpColor(plot)}
                   disabled={!enabled}
@@ -199,7 +199,7 @@ export const PlotSettingsRow: React.FC<{
                 />
               </div>
               <div className="ism-hist-color-field">
-                <span className="ism-style-label">하락</span>
+                <span className="ism-style-label">0선 아래</span>
                 <ColorInput
                   value={resolveHistogramDownColor(plot)}
                   disabled={!enabled}