복합지표 전략 추가

frontend/src/utils/priceExtremeIndicators.ts

@@ -71,14 +71,20 @@ export function migratePriceExtremeCondition(cond: ConditionDSL): ConditionDSL {
     const leftField = cond.leftField && priceFields.has(cond.leftField)
       ? cond.leftField
       : 'CLOSE_PRICE';
+    const rightField = priorExtremeField(ind, period);
+    let conditionType = cond.conditionType;
+    if (conditionType === 'CROSS_UP' && ind === 'NEW_HIGH' && !rightField.startsWith('NH_PRIOR_')) {
+      conditionType = 'GTE';
+    } else if (conditionType === 'CROSS_DOWN' && ind === 'NEW_LOW' && !rightField.startsWith('NL_PRIOR_')) {
+      conditionType = 'LTE';
+    }
     return syncPriceExtremeSimpleFields({
       ...cond,
       composite: false,
       leftField,
+      rightField,
       period,
-      conditionType: cond.conditionType === 'CROSS_UP' ? 'GTE'
-        : cond.conditionType === 'CROSS_DOWN' ? 'LTE'
-          : cond.conditionType,
+      conditionType,
     });
   }
 
@@ -96,13 +102,27 @@ export function migratePriceExtremeCondition(cond: ConditionDSL): ConditionDSL {
     });
   }
 
-  if (migrated.conditionType === 'CROSS_UP' && ind === 'NEW_HIGH') {
+  if (migrated.conditionType === 'CROSS_UP' && ind === 'NEW_HIGH'
+      && !migrated.rightField?.startsWith('NH_PRIOR_')) {
     migrated = { ...migrated, conditionType: 'GTE' };
   }
-  if (migrated.conditionType === 'CROSS_DOWN' && ind === 'NEW_LOW') {
+  if (migrated.conditionType === 'CROSS_DOWN' && ind === 'NEW_LOW'
+      && !migrated.rightField?.startsWith('NL_PRIOR_')) {
     migrated = { ...migrated, conditionType: 'LTE' };
   }
 
+  // 종가 vs NH/NL_PRIOR — GTE/LTE 유지형은 봉마다 시그널 → CROSS 돌파 1봉으로 정규화
+  if (ind === 'NEW_HIGH' && migrated.leftField === 'CLOSE_PRICE'
+      && migrated.conditionType === 'GTE'
+      && migrated.rightField?.startsWith('NH_PRIOR_')) {
+    migrated = { ...migrated, conditionType: 'CROSS_UP' };
+  }
+  if (ind === 'NEW_LOW' && migrated.leftField === 'CLOSE_PRICE'
+      && migrated.conditionType === 'LTE'
+      && migrated.rightField?.startsWith('NL_PRIOR_')) {
+    migrated = { ...migrated, conditionType: 'CROSS_DOWN' };
+  }
+
   return migrated;
 }