매매실행 방식 설정 추가

frontend/src/components/BacktestSettingsPanel.tsx

@@ -9,6 +9,7 @@ import {
   saveBacktestSettings,
 } from '../utils/backendApi';
 import { ANALYSIS_METHOD_OPTIONS } from '../utils/analysisMethodLabels';
+import { TRADE_EXECUTION_MODE_OPTIONS } from '../utils/tradeExecutionMode';
 
 // ── 백테스팅 전용 UI 컴포넌트 ───────────────────────────────────────────────
 
@@ -107,6 +108,36 @@ export const BacktestSettingsPanel: React.FC<BacktestSettingsPanelProps> = ({
         </BtGrid>
       </BtSection>
 
+      <BtSection title="매매 체결 방식">
+        <BtGrid>
+          <BtField
+            label="시그널 · 체결가 산출"
+            desc="전략평가·백테스팅·분석 레포트에 공통 적용됩니다."
+            full
+          >
+            <select
+              className="stg-select stg-select--wide"
+              value={cfg.tradeExecutionMode ?? 'BACKTEST_ENGINE'}
+              onChange={e => field('tradeExecutionMode', e.target.value as 'SCAN_SIGNALS' | 'BACKTEST_ENGINE')}
+            >
+              {TRADE_EXECUTION_MODE_OPTIONS.map(o => (
+                <option key={o.value} value={o.value}>{o.label}</option>
+              ))}
+            </select>
+          </BtField>
+        </BtGrid>
+        <p className="stg-bt-hint">
+          {(cfg.tradeExecutionMode ?? 'BACKTEST_ENGINE') === 'SCAN_SIGNALS'
+            ? TRADE_EXECUTION_MODE_OPTIONS[1].desc
+            : TRADE_EXECUTION_MODE_OPTIONS[0].desc}
+        </p>
+        {(cfg.tradeExecutionMode ?? 'BACKTEST_ENGINE') === 'SCAN_SIGNALS' && (
+          <p className="stg-bt-hint stg-bt-hint--warn">
+            조건 스캔 모드: 슬리피지·손절/익절·트레일링스탑·진입/청산가(NEXT_OPEN) 설정은 시그널 생성에 적용되지 않습니다. 수수료만 시뮬레이션에 반영됩니다.
+          </p>
+        )}
+      </BtSection>
+
       <BtSection title="투자분석 방식">
         <BtGrid>
           <BtField