전략 시간봉 오류 수정

frontend/src/utils/strategyConditionSerde.ts

@@ -161,7 +161,6 @@ export function encodeConditionForSave(state: EditorConditionState): LogicNode |
   if (branches.length === 0) return null;
   if (branches.length === 1) {
     const { candleType, root } = branches[0];
-    if (normalizeStartCandleType(candleType) === DEFAULT_START_CANDLE) return root;
     return wrapTimeframe(candleType, root);
   }
 
@@ -257,3 +256,20 @@ export function collectEditorBranches(state: EditorConditionState): ConditionBra
 export function collectDslBranches(dsl: LogicNode | null): ConditionBranch[] {
   return collectEditorBranches(decodeConditionForEditor(dsl));
 }
+
+/**
+ * 전략 로드 시 startMeta 병합 — DB DSL에서 복원한 시간봉이 localStorage보다 우선.
+ */
+export function mergeStartMetaForLoad(
+  decoded: Record<string, StartNodeMeta>,
+  stored?: Record<string, StartNodeMeta> | null,
+): Record<string, StartNodeMeta> {
+  const merged: Record<string, StartNodeMeta> = {
+    ...defaultStartMeta(),
+    ...stored,
+  };
+  for (const [startId, meta] of Object.entries(decoded)) {
+    merged[startId] = { candleType: normalizeStartCandleType(meta.candleType) };
+  }
+  return merged;
+}