n봉 존재 조건 수정

frontend/src/utils/strategyEditorShared.tsx

@@ -2,8 +2,14 @@
 import React from 'react';
 import type { IndicatorConfig } from '../types/index';
 import { getIndicatorDef, getHLineLabel, INDICATOR_REGISTRY, type PlotDef, type HLineDef } from '../utils/indicatorRegistry';
-import type { LogicNode, LogicNodeType, ConditionDSL } from '../utils/strategyTypes';
-import { CONDITION_LABEL, INDICATOR_CONDITIONS } from '../utils/strategyTypes';
+import type { LogicNode, LogicNodeType, ConditionDSL, CandleRangeMode } from '../utils/strategyTypes';
+import {
+  CONDITION_LABEL,
+  INDICATOR_CONDITIONS,
+  resolveCandleRangeMode,
+  candleRangeWindowBars,
+  formatCandleRangeClause,
+} from '../utils/strategyTypes';
 import {
   COMPOSITE_INDICATOR_ITEMS,
   compositeDisplayName,
@@ -791,8 +797,9 @@ export const nodeToText = (node: LogicNode, DEF: DefType = DEF_DEFAULTS): string
       const op = c.conditionType === 'LOWEST_LTE' ? '≤' : '≥';
       return `${indName} - 최근 ${n}봉 ${L} 최저 ${op} ${R || '침체선'}`;
     }
-    if (R && R !== '선택안함') return `${indName} - ${L} ${C} ${R}`;
-    return `${indName} - ${L} ${C}`;
+    const rangeClause = formatCandleRangeClause(c);
+    if (R && R !== '선택안함') return `${indName} - ${rangeClause}${L} ${C} ${R}`;
+    return `${indName} - ${rangeClause}${L} ${C}`;
   }
   if (node.type === 'AND') {
     if (isStableStrategyPairRoot(node) && node.stableStrategyPair?.mode === 'buy') {
@@ -1142,14 +1149,38 @@ export const CondEditor: React.FC<CondEditorProps> = ({
           ) : (
             <>
               <label className="sp-cond-lbl">캔들 범위</label>
-              <select className="sp-cond-sel" value={cond.candleRange ?? 1}
-                onChange={e => onChange({ ...cond, candleRange: Number(e.target.value) })}>
-                <option value={1}>현재 캔들</option>
-                <option value={2}>2개 캔들</option>
-                <option value={3}>3개 캔들</option>
-                <option value={4}>4개 캔들</option>
-                <option value={5}>5개 캔들</option>
+              <select
+                className="sp-cond-sel"
+                value={resolveCandleRangeMode(normalized)}
+                onChange={e => {
+                  const mode = e.target.value as CandleRangeMode;
+                  if (mode === 'CURRENT') {
+                    onChange({ ...normalized, candleRangeMode: mode, candleRange: 1 });
+                  } else {
+                    const n = candleRangeWindowBars(normalized);
+                    onChange({ ...normalized, candleRangeMode: mode, candleRange: n >= 2 ? n : 4 });
+                  }
+                }}
+              >
+                <option value="CURRENT">현재 캔들</option>
+                <option value="EXISTS_IN">N봉 내 존재</option>
+                <option value="NOT_EXISTS_IN">N봉 내 미존재</option>
               </select>
+              {resolveCandleRangeMode(normalized) !== 'CURRENT' && (
+                <input
+                  type="number"
+                  className="sp-cond-num sp-cond-num--inline"
+                  min={2}
+                  max={500}
+                  value={candleRangeWindowBars(normalized)}
+                  placeholder="N"
+                  title="윈도우 봉 수"
+                  onChange={e => onChange({
+                    ...normalized,
+                    candleRange: Math.max(2, parseInt(e.target.value, 10) || 4),
+                  })}
+                />
+              )}
             </>
           )}
         </div>