수정

frontend/src/components/strategyEditor/ComboFieldSelect.tsx

@@ -1,4 +1,4 @@
-import React, { useCallback, useEffect, useState } from 'react';
+import React, { useCallback, useEffect, useRef, useState } from 'react';
 
 export const COMBO_FIELD_CUSTOM = '__field_custom__';
 
@@ -117,6 +117,22 @@ export default function ComboFieldSelect({
     setDraft(String(clamped));
   }, [draft, allowDecimal, min, max, onCustomNumberChange, customNumber]);
 
+  const commitRef = useRef(commitCustom);
+  commitRef.current = commitCustom;
+
+  // 직접입력 blur 전 탭 전환·저장 시 값 유실 방지
+  useEffect(() => () => { commitRef.current(); }, []);
+
+  useEffect(() => {
+    if (!focused || mode !== 'custom') return;
+    const parsed = parseDraft(draft, allowDecimal);
+    if (parsed == null) return;
+    const clamped = clampValue(parsed, min, max, allowDecimal);
+    if (clamped === customNumber) return;
+    const t = window.setTimeout(() => onCustomNumberChange(clamped), 400);
+    return () => window.clearTimeout(t);
+  }, [draft, focused, mode, allowDecimal, min, max, customNumber, onCustomNumberChange]);
+
   return (
     <div className={`se-combo-field${mode === 'custom' ? ' se-combo-field--custom-only' : ''}`}>
       <select

frontend/src/components/strategyEvaluation/StrategyEvaluationChart.tsx

@@ -382,7 +382,7 @@ const StrategyEvaluationChart: React.FC<Props> = ({
     }
     void runSignalScanForBars(bars);
     return () => { ++backtestGenRef.current; };
-  }, [strategy?.id, market, timeframe, paramsRevision, bars, loading, runSignalScanForBars]);
+  }, [strategy?.id, strategy?.buyCondition, market, timeframe, paramsRevision, bars, loading, runSignalScanForBars]);
 
   useEffect(() => {
     applyMarkers();