전략평가 화면 수정

frontend/src/components/StrategyEvaluationPage.tsx

@@ -193,8 +193,8 @@ export default function StrategyEvaluationPage({ theme = 'dark' }: Props) {
   const selectedBarTimeSec = bars[selectedBarIndex]?.time ?? null;
 
   const barSignalHighlight = useMemo(
-    () => resolveBarSignalHighlight(backtestSignals, selectedBarTimeSec),
-    [backtestSignals, selectedBarTimeSec],
+    () => resolveBarSignalHighlight(backtestSignals, selectedBarTimeSec, selectedBarIndex),
+    [backtestSignals, selectedBarTimeSec, selectedBarIndex],
   );
 
   const handleSignalsChange = useCallback((signals: BacktestSignal[]) => {
@@ -450,19 +450,11 @@ export default function StrategyEvaluationPage({ theme = 'dark' }: Props) {
           {evalError && <p className="seval-eval-error">{evalError}</p>}
 
           <div className="seval-signal-body">
-            {evalLoading && (
-              <div className="seval-eval-loading" aria-live="polite" aria-busy="true">
-                <span className="btd-run-spinner seval-eval-loading-spinner" aria-hidden />
-                <span className="seval-eval-loading-text">전략 조건 확인 중…</span>
-              </div>
-            )}
             <StrategyEvaluationSignalPanel
               snapshot={snapshot}
               barSignalHighlight={barSignalHighlight}
-              loading={evalLoading}
-              loadingMessage="전략 조건 확인 중…"
               hasStrategy={selectedStrategyId != null}
-              className={`seval-signal-panel${evalLoading ? ' seval-signal-panel--loading' : ''}`}
+              className="seval-signal-panel"
             />
           </div>
 

frontend/src/components/strategyEvaluation/StrategyEvaluationBarSelector.tsx

@@ -69,6 +69,20 @@ function indexFromClientX(
   return findNearestBarIndex(bars, time);
 }
 
+/** 캔들 pane 클릭 좌표 → 봉 index (전략선택봉 이동) */
+export function resolveBarIndexAtChartClick(
+  manager: ChartManager,
+  bars: OHLCVBar[],
+  clientX: number,
+  clientY: number,
+): number {
+  const rect = manager.getContainer().getBoundingClientRect();
+  const clickY = clientY - rect.top;
+  const main = manager.getPaneLayouts().find(l => l.paneIndex === 0);
+  if (!main || clickY < main.topY || clickY >= main.topY + main.height) return -1;
+  return indexFromClientX(manager, bars, clientX);
+}
+
 const StrategyEvaluationBarSelector: React.FC<Props> = ({
   manager,
   bars,

frontend/src/components/strategyEvaluation/StrategyEvaluationChart.tsx

@@ -20,7 +20,9 @@ import { buildVirtualTradingChartIndicators } from '../../utils/strategyToChartI
 import { buildEvalParamsFromStrategy } from '../../utils/strategyEvaluationParams';
 import { resolveEvaluationFromLoadedBars } from '../../utils/backtestWarmup';
 import { repairUtf8Mojibake } from '../../utils/textEncoding';
-import StrategyEvaluationBarSelector from './StrategyEvaluationBarSelector';
+import StrategyEvaluationBarSelector, {
+  resolveBarIndexAtChartClick,
+} from './StrategyEvaluationBarSelector';
 import {
   parseBacktestRunTimeframeChoice,
   type BacktestRunTimeframeChoice,
@@ -300,6 +302,26 @@ const StrategyEvaluationChart: React.FC<Props> = ({
     onSelectedBarIndexChange(bars.length - 1);
   }, [bars.length, onSelectedBarIndexChange]);
 
+  useEffect(() => {
+    const mgr = chartMgr;
+    if (!mgr || bars.length === 0) return;
+
+    const onChartClick = (e: MouseEvent) => {
+      if (e.button !== 0) return;
+      const target = e.target as HTMLElement | null;
+      if (target?.closest('[data-no-chart-pan]')) return;
+
+      const idx = resolveBarIndexAtChartClick(mgr, bars, e.clientX, e.clientY);
+      if (idx >= 0 && idx !== selectedBarIndex) {
+        onSelectedBarIndexChange(idx);
+      }
+    };
+
+    const container = mgr.getContainer();
+    container.addEventListener('click', onChartClick);
+    return () => container.removeEventListener('click', onChartClick);
+  }, [chartMgr, bars, selectedBarIndex, onSelectedBarIndexChange]);
+
   useEffect(() => {
     const onKeyDown = (e: KeyboardEvent) => {
       if (e.key !== 'ArrowLeft' && e.key !== 'ArrowRight') return;
@@ -372,10 +394,7 @@ const StrategyEvaluationChart: React.FC<Props> = ({
             ))}
           </select>
           {selectedBar && (
-            <span className={`seval-chart-bar-time${evalLoading ? ' seval-chart-bar-time--loading' : ''}`}>
-              {evalLoading && (
-                <span className="btd-run-spinner seval-chart-bar-spinner" aria-hidden />
-              )}
+            <span className="seval-chart-bar-time">
               {new Date(selectedBar.time * 1000).toLocaleString('ko-KR')}
             </span>
           )}
@@ -388,11 +407,17 @@ const StrategyEvaluationChart: React.FC<Props> = ({
             <span className="seval-chart-backtest-busy">시그널 계산 중…</span>
           )}
         </div>
-        <span className="seval-chart-hint">세로 영역 드래그 · ← → 키 · 하단 툴바로 분석 봉 이동</span>
+        <span className="seval-chart-hint">캔들 클릭 · 세로 영역 드래그 · ← → 키 · 하단 툴바로 분석 봉 이동</span>
       </div>
 
       <div className="btd-analysis-main">
       <div className="seval-chart-body btd-analysis-canvas-wrap btd-analysis-canvas-wrap--live">
+        {evalLoading && (
+          <div className="seval-chart-eval-backdrop" aria-live="polite" aria-busy="true">
+            <span className="btd-run-spinner seval-chart-eval-backdrop-spinner" aria-hidden />
+            <span className="seval-chart-eval-backdrop-text">전략 조건 확인 중…</span>
+          </div>
+        )}
         {loading && <div className="seval-chart-status">차트 로딩…</div>}
         {error && !loading && <div className="btd-analysis-error">{error}</div>}
         {backtestError && !loading && !backtestRunning && !error && (

frontend/src/components/strategyEvaluation/StrategyEvaluationSignalPanel.tsx

@@ -2,12 +2,9 @@ import React, { useMemo } from 'react';
 import type { VirtualIndicatorSnapshot } from '../../hooks/useVirtualIndicatorSnapshots';
 import {
   buildConditionMetrics,
-  computeMatchRate,
-  getTrafficLightState,
   type ConditionMetric,
 } from '../../utils/virtualSignalMetrics';
-import VirtualConditionList from '../virtual/VirtualConditionList';
-import VirtualSignalTrafficLight from '../virtual/VirtualSignalTrafficLight';
+import VirtualSignalMatchVisual from '../virtual/VirtualSignalMatchVisual';
 import type { BarSignalHighlight } from '../../utils/strategyEvaluationBarSignals';
 
 interface Props {
@@ -28,8 +25,6 @@ interface SideCardProps {
 }
 
 const SideCard: React.FC<SideCardProps> = ({ side, metrics, overallMet, signalActive = false }) => {
-  const matchRate = useMemo(() => computeMatchRate(metrics), [metrics]);
-  const trafficState = useMemo(() => getTrafficLightState(matchRate, metrics), [matchRate, metrics]);
   const title = side === 'buy' ? '매수 조건' : '매도 조건';
   const overallLabel =
     overallMet === true ? '전체 충족' : overallMet === false ? '전체 미충족' : null;
@@ -41,7 +36,7 @@ const SideCard: React.FC<SideCardProps> = ({ side, metrics, overallMet, signalAc
         `seval-side-card--${side}`,
         signalActive ? 'seval-side-card--signal-active' : '',
       ].filter(Boolean).join(' ')}
-      aria-label={`${title} 지표 목록${signalActive ? ' · 백테스트 시그널 발생 봉' : ''}`}
+      aria-label={`${title} 지표 일치율${signalActive ? ' · 백테스트 시그널 발생 봉' : ''}`}
     >
       <header className="seval-side-card-head">
         <div className="seval-side-card-head-main">
@@ -55,12 +50,13 @@ const SideCard: React.FC<SideCardProps> = ({ side, metrics, overallMet, signalAc
             </span>
           )}
         </div>
-        <div className="seval-side-card-head-signal">
-          <VirtualSignalTrafficLight state={trafficState} matchRate={matchRate} />
-        </div>
       </header>
       <div className="seval-side-card-body">
-        <VirtualConditionList metrics={metrics} />
+        <VirtualSignalMatchVisual
+          metrics={metrics}
+          title="SIGNAL INTELLIGENCE & MATCH RATES"
+          panelClassName="seval-side-sig-panel"
+        />
       </div>
     </section>
   );

frontend/src/components/virtual/VirtualSignalMatchVisual.tsx

@@ -0,0 +1,92 @@
+import React, { useMemo } from 'react';
+import { useSignalVisualRailHeight } from '../../hooks/useSignalVisualRailHeight';
+import {
+  buildConditionMetrics,
+  computeMatchRate,
+  getTrafficLightState,
+  type ConditionMetric,
+} from '../../utils/virtualSignalMetrics';
+import VirtualSignalEqualizer from './VirtualSignalEqualizer';
+import VirtualSignalTrafficLight from './VirtualSignalTrafficLight';
+import VirtualConditionList from './VirtualConditionList';
+
+interface Props {
+  metrics: ConditionMetric[];
+  title?: React.ReactNode;
+  /** 백엔드 집계 matchRate — 미지정 시 metrics 로컬 계산 */
+  backendMatchRate?: number | null;
+  className?: string;
+  panelClassName?: string;
+}
+
+const VirtualSignalMatchVisual: React.FC<Props> = ({
+  metrics,
+  title,
+  backendMatchRate,
+  className = '',
+  panelClassName = '',
+}) => {
+  const matchRate = useMemo(
+    () => computeMatchRate(metrics, backendMatchRate),
+    [metrics, backendMatchRate],
+  );
+  const trafficState = useMemo(
+    () => getTrafficLightState(matchRate, metrics),
+    [matchRate, metrics],
+  );
+  const { visualRef, lightRef } = useSignalVisualRailHeight([
+    metrics.length,
+    matchRate,
+    trafficState,
+    title,
+  ]);
+
+  return (
+    <div className={['vtd-sig-panel', panelClassName || 'vtd-sig-panel--summary'].filter(Boolean).join(' ')}>
+      {title != null && title !== '' && (
+        <div className="vtd-sig-panel-title">{title}</div>
+      )}
+      <div className={['vtd-sig-visual', className].filter(Boolean).join(' ')} ref={visualRef}>
+        <div className="vtd-sig-visual-pane vtd-sig-visual-eq">
+          <VirtualSignalEqualizer matchRate={matchRate} />
+        </div>
+        <div className="vtd-sig-visual-pane vtd-sig-visual-heat">
+          <VirtualConditionList metrics={metrics} />
+        </div>
+        <div className="vtd-sig-visual-pane vtd-sig-visual-light">
+          <div ref={lightRef} className="vtd-sig-light-rail">
+            <VirtualSignalTrafficLight state={trafficState} matchRate={matchRate} />
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+};
+
+/** rows → metrics 변환 후 시각 블록 렌더 (편의 래퍼) */
+export function VirtualSignalMatchVisualFromRows({
+  rows,
+  title,
+  backendMatchRate,
+  className,
+  panelClassName,
+}: {
+  rows: Parameters<typeof buildConditionMetrics>[0];
+  title?: React.ReactNode;
+  backendMatchRate?: number | null;
+  className?: string;
+  panelClassName?: string;
+}) {
+  const metrics = useMemo(() => buildConditionMetrics(rows), [rows]);
+  return (
+    <VirtualSignalMatchVisual
+      metrics={metrics}
+      title={title}
+      backendMatchRate={backendMatchRate}
+      className={className}
+      panelClassName={panelClassName}
+    />
+  );
+}
+
+export default VirtualSignalMatchVisual;

frontend/src/components/virtual/VirtualTargetSignalPanel.tsx

@@ -1,14 +1,7 @@
 import React, { useMemo } from 'react';
-import { useSignalVisualRailHeight } from '../../hooks/useSignalVisualRailHeight';
 import type { VirtualIndicatorSnapshot } from '../../hooks/useVirtualIndicatorSnapshots';
-import {
-  buildConditionMetrics,
-  computeMatchRate,
-  getTrafficLightState,
-} from '../../utils/virtualSignalMetrics';
-import VirtualSignalEqualizer from './VirtualSignalEqualizer';
-import VirtualSignalTrafficLight from './VirtualSignalTrafficLight';
-import VirtualConditionList from './VirtualConditionList';
+import { buildConditionMetrics } from '../../utils/virtualSignalMetrics';
+import VirtualSignalMatchVisual from './VirtualSignalMatchVisual';
 import VirtualIndicatorCompareTable from './VirtualIndicatorCompareTable';
 import type { VirtualCardViewMode } from '../../utils/virtualTradingStorage';
 
@@ -38,17 +31,6 @@ const VirtualTargetSignalPanel: React.FC<Props> = ({
   const isDetail = viewMode === 'detail';
 
   const metrics = useMemo(() => buildConditionMetrics(rows), [rows]);
-  const matchRate = useMemo(
-    () => computeMatchRate(metrics, snapshot?.matchRate),
-    [metrics, snapshot?.matchRate],
-  );
-  const trafficState = useMemo(() => getTrafficLightState(matchRate, metrics), [matchRate, metrics]);
-  const { visualRef, lightRef } = useSignalVisualRailHeight([
-    rows.length,
-    matchRate,
-    trafficState,
-    viewMode,
-  ]);
 
   if (rows.length === 0) {
     return (
@@ -71,22 +53,12 @@ const VirtualTargetSignalPanel: React.FC<Props> = ({
         className,
       ].filter(Boolean).join(' ')}
     >
-      <div className={`vtd-sig-panel${isDetail ? ' vtd-sig-panel--detail-top' : ' vtd-sig-panel--summary'}`}>
-        <div className="vtd-sig-panel-title">SIGNAL INTELLIGENCE &amp; MATCH RATES</div>
-        <div className="vtd-sig-visual" ref={visualRef}>
-          <div className="vtd-sig-visual-pane vtd-sig-visual-eq">
-            <VirtualSignalEqualizer matchRate={matchRate} />
-          </div>
-          <div className="vtd-sig-visual-pane vtd-sig-visual-heat">
-            <VirtualConditionList metrics={metrics} />
-          </div>
-          <div className="vtd-sig-visual-pane vtd-sig-visual-light">
-            <div ref={lightRef} className="vtd-sig-light-rail">
-              <VirtualSignalTrafficLight state={trafficState} matchRate={matchRate} />
-            </div>
-          </div>
-        </div>
-      </div>
+      <VirtualSignalMatchVisual
+        metrics={metrics}
+        title="SIGNAL INTELLIGENCE & MATCH RATES"
+        backendMatchRate={snapshot?.matchRate}
+        panelClassName={isDetail ? 'vtd-sig-panel--detail-top' : 'vtd-sig-panel--summary'}
+      />
       {isDetail && (
         <div className="vtd-sig-detail-table" aria-label="지표별 상태 목록">
           <VirtualIndicatorCompareTable metrics={metrics} />

frontend/src/styles/strategyEvaluation.css

@@ -104,6 +104,35 @@
   min-height: 0;
 }
 
+/* 전략 조건 평가 중 — 차트 영역 backdrop */
+.seval-chart-eval-backdrop {
+  position: absolute;
+  inset: 0;
+  z-index: 920;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  gap: 12px;
+  background: color-mix(in srgb, var(--se-bg, #0d1117) 72%, transparent);
+  backdrop-filter: blur(3px);
+  pointer-events: none;
+}
+
+.seval-chart-eval-backdrop-spinner {
+  width: 28px;
+  height: 28px;
+  border-width: 2.5px;
+  color: var(--se-accent, #3d9be9);
+}
+
+.seval-chart-eval-backdrop-text {
+  font-size: 0.78rem;
+  font-weight: 600;
+  color: var(--se-text-muted);
+  letter-spacing: 0.02em;
+}
+
 .seval-chart-toolbar {
   flex-shrink: 0;
   display: flex;
@@ -341,40 +370,12 @@
 }
 
 .seval-signal-body {
-  position: relative;
   flex: 1;
   min-height: 0;
   display: flex;
   flex-direction: column;
 }
 
-.seval-eval-loading {
-  position: absolute;
-  inset: 0;
-  z-index: 6;
-  display: flex;
-  flex-direction: column;
-  align-items: center;
-  justify-content: center;
-  gap: 10px;
-  background: color-mix(in srgb, var(--se-bg, #0d1117) 78%, transparent);
-  backdrop-filter: blur(2px);
-  pointer-events: none;
-}
-
-.seval-eval-loading-spinner {
-  width: 18px;
-  height: 18px;
-  border-width: 2px;
-  color: var(--se-accent, #3d9be9);
-}
-
-.seval-eval-loading-text {
-  font-size: 0.72rem;
-  font-weight: 600;
-  color: var(--se-text-muted);
-}
-
 .seval-signal-panel {
   flex: 1;
   min-height: 0;
@@ -384,12 +385,6 @@
   padding: 0 2px;
 }
 
-.seval-signal-panel--loading {
-  opacity: 0.42;
-  pointer-events: none;
-  user-select: none;
-}
-
 .seval-eval-error {
   margin: 0 4px 8px;
   font-size: 0.72rem;
@@ -430,7 +425,8 @@
   min-height: 0;
   display: flex;
   flex-direction: column;
-  gap: 10px;
+  gap: 12px;
+  padding: 4px 3px;
 }
 
 .seval-side-card {
@@ -455,10 +451,10 @@
 .seval-side-card-head {
   flex-shrink: 0;
   display: flex;
-  align-items: flex-start;
+  align-items: center;
   justify-content: space-between;
   gap: 8px;
-  padding: 8px 10px 6px;
+  padding: 6px 10px 4px;
   border-bottom: 1px solid color-mix(in srgb, var(--se-border) 80%, transparent);
 }
 
@@ -505,43 +501,59 @@
   border: 1px solid color-mix(in srgb, var(--se-text-muted) 25%, transparent);
 }
 
-.seval-side-card-head-signal {
-  flex-shrink: 0;
-}
-
-.seval-side-card-head-signal .vtd-sig-light--card-right {
-  align-items: flex-end;
-}
-
-.seval-side-card-head-signal .vtd-sig-light-housing {
-  transform: scale(0.82);
-  transform-origin: top right;
-}
-
-.seval-side-card-head-signal .vtd-sig-light-info--below {
-  align-items: flex-end;
-  text-align: right;
-}
-
-.seval-side-card-head-signal .vtd-sig-light-rate {
-  font-size: 1.05rem;
-}
-
-.seval-side-card-head-signal .vtd-sig-light-label {
-  font-size: 0.58rem;
-  max-width: 72px;
-  line-height: 1.2;
-}
-
 .seval-side-card-body {
   flex: 1;
   min-height: 0;
-  padding: 4px 8px 8px;
+  padding: 0 6px 6px;
+  overflow: hidden;
+  display: flex;
+  flex-direction: column;
+}
+
+.seval-side-card-body .seval-side-sig-panel {
+  flex: 1;
+  min-height: 0;
+  gap: 4px;
+}
+
+.seval-side-card-body .seval-side-sig-panel .vtd-sig-panel-title {
+  font-size: 8px;
+  padding: 2px 0 0;
+  letter-spacing: 0.06em;
+}
+
+.seval-side-card-body .vtd-sig-visual {
+  --vtd-sig-rail-height: 120px;
+  flex: 1;
+  min-height: 0;
+  padding: 6px 8px 8px;
+  gap: 8px 10px;
+}
+
+.seval-side-card-body .vtd-sig-visual-heat {
+  min-height: 0;
+  overflow: hidden;
+}
+
+.seval-side-card-body .vtd-sig-visual-heat .vtd-heat-list {
+  max-height: min(140px, 100%);
   overflow-y: auto;
 }
 
-.seval-side-card-body .vtd-heat-list {
-  max-height: none;
+.seval-side-card-body .vtd-sig-visual-eq {
+  height: var(--vtd-sig-rail-height);
+  min-height: var(--vtd-sig-rail-height);
+  max-height: var(--vtd-sig-rail-height);
+}
+
+.seval-side-card-body .vtd-sig-visual-light .vtd-sig-light-rate {
+  font-size: 1.15rem;
+}
+
+.seval-side-card-body .vtd-sig-visual-light .vtd-sig-light-label {
+  font-size: 0.58rem;
+  max-width: 76px;
+  line-height: 1.2;
 }
 
 .seval-side-card-body .vtd-heat-list-empty {
@@ -550,23 +562,45 @@
   text-align: center;
 }
 
-/* 선택 봉에 백테스트 매매 시그널이 있을 때 — 형광연두 그라데이션 아웃라인·음영 */
+/* 선택 봉에 백테스트 매매 시그널 — 형광연두 아웃라인 + 외곽 glow (첨부 이미지 스타일) */
 .seval-side-card--signal-active {
   position: relative;
   z-index: 1;
-  border: 2px solid transparent;
-  background:
-    linear-gradient(
-      160deg,
-      color-mix(in srgb, #ccff00 14%, var(--vtd-sig-panel-bg, color-mix(in srgb, #0d111f 60%, transparent))),
-      var(--vtd-sig-panel-bg, color-mix(in srgb, #0d111f 60%, transparent))
-    ) padding-box,
-    linear-gradient(145deg, #e8ff00 0%, #39ff14 38%, #c6ff00 62%, #7fff00 100%) border-box;
+  border-color: transparent;
+  isolation: isolate;
+  overflow: visible;
+}
+
+.seval-side-card--signal-active::before {
+  content: '';
+  position: absolute;
+  inset: 0;
+  border-radius: 10px;
+  padding: 2px;
+  background: linear-gradient(135deg, #d4ff00 0%, #39ff14 42%, #c6ff00 68%, #7fff00 100%);
+  -webkit-mask:
+    linear-gradient(#000 0 0) content-box,
+    linear-gradient(#000 0 0);
+  -webkit-mask-composite: xor;
+  mask:
+    linear-gradient(#000 0 0) content-box,
+    linear-gradient(#000 0 0);
+  mask-composite: exclude;
+  pointer-events: none;
+  z-index: 3;
+}
+
+.seval-side-card--signal-active::after {
+  content: '';
+  position: absolute;
+  inset: -4px;
+  border-radius: 14px;
+  pointer-events: none;
+  z-index: -1;
   box-shadow:
-    0 0 0 1px color-mix(in srgb, #ccff00 30%, transparent),
-    0 0 14px color-mix(in srgb, #ccff00 42%, transparent),
-    0 0 28px color-mix(in srgb, #39ff14 22%, transparent),
-    inset 0 0 32px color-mix(in srgb, #ccff00 11%, transparent);
+    0 0 6px 1px rgba(184, 255, 0, 0.85),
+    0 0 14px 3px rgba(57, 255, 20, 0.55),
+    0 0 28px 5px rgba(204, 255, 0, 0.32);
 }
 
 .seval-side-card--signal-active.seval-side-card--buy,
@@ -574,10 +608,6 @@
   border-top-color: transparent;
 }
 
-.seval-side-card--signal-active .seval-side-card-head {
-  border-bottom-color: color-mix(in srgb, #ccff00 28%, var(--se-border));
-}
-
 .seval-side-card--signal-active .seval-side-card-badge::after {
   content: ' · 시그널';
   font-size: 0.62rem;

frontend/src/utils/strategyEvaluationBarSignals.ts

@@ -1,4 +1,5 @@
 import type { BacktestSignal } from './backendApi';
+import { normalizeEpochSecOptional } from './backtestUiUtils';
 
 export interface BarSignalHighlight {
   buy: boolean;
@@ -11,15 +12,39 @@ const isBuySignalType = (type: BacktestSignal['type']): boolean =>
 const isSellSignalType = (type: BacktestSignal['type']): boolean =>
   type === 'SELL' || type === 'SHORT_ENTRY' || type === 'PARTIAL_SELL';
 
-/** 선택 봉 시각에 백테스트 매매 시그널이 있는지 (차트 마커와 동일 기준) */
+function signalMatchesBar(
+  signal: BacktestSignal,
+  barIndex: number,
+  barTimeSec: number,
+): boolean {
+  if (signal.barIndex === barIndex) return true;
+  const signalTime = normalizeEpochSecOptional(signal.time);
+  const barTime = normalizeEpochSecOptional(barTimeSec);
+  if (signalTime > 0 && barTime > 0 && signalTime === barTime) return true;
+  return false;
+}
+
+/** 선택 봉에 백테스트 매매 시그널이 있는지 (차트 마커와 동일 기준) */
 export function resolveBarSignalHighlight(
   signals: BacktestSignal[],
   barTimeSec: number | null | undefined,
+  barIndex?: number | null,
 ): BarSignalHighlight {
-  if (barTimeSec == null || signals.length === 0) {
+  if (signals.length === 0) {
     return { buy: false, sell: false };
   }
-  const atBar = signals.filter(s => s.time === barTimeSec);
+  if (barIndex == null || barIndex < 0) {
+    if (barTimeSec == null) return { buy: false, sell: false };
+    const t = normalizeEpochSecOptional(barTimeSec);
+    const atBar = signals.filter(s => normalizeEpochSecOptional(s.time) === t);
+    return {
+      buy: atBar.some(s => isBuySignalType(s.type)),
+      sell: atBar.some(s => isSellSignalType(s.type)),
+    };
+  }
+
+  const barTime = barTimeSec ?? 0;
+  const atBar = signals.filter(s => signalMatchesBar(s, barIndex, barTime));
   return {
     buy: atBar.some(s => isBuySignalType(s.type)),
     sell: atBar.some(s => isSellSignalType(s.type)),