전략 시간봉 오류 수정

backend/src/main/java/com/goldenchart/service/StrategyConditionTimeframeService.java

@@ -71,11 +71,21 @@ public class StrategyConditionTimeframeService {
 
     private void collectFromNode(JsonNode node, Set<String> out) {
         if (node == null || node.isNull()) return;
+        if (collectTimeframesFromNode(node, out)) return;
+        // TIMEFRAME 래핑 없는 레거시 트리 — 기본 1m
+        out.add("1m");
+    }
+
+    /**
+     * 트리에서 TIMEFRAME 노드를 수집. 발견 시 true.
+     */
+    private boolean collectTimeframesFromNode(JsonNode node, Set<String> out) {
+        if (node == null || node.isNull()) return false;
         String type = node.path("type").asText("");
 
         if ("TIMEFRAME".equals(type)) {
             out.add(LiveStrategyTimeframeService.normalize(node.path("candleType").asText("1m")));
-            return;
+            return true;
         }
 
         if ("AND".equals(type) || "OR".equals(type)) {
@@ -85,23 +95,22 @@ public class StrategyConditionTimeframeService {
                     for (JsonNode tf : children) {
                         out.add(LiveStrategyTimeframeService.normalize(tf.path("candleType").asText("1m")));
                     }
-                    return;
+                    return true;
                 }
+                boolean found = false;
                 for (JsonNode child : children) {
-                    collectFromNode(child, out);
+                    found |= collectTimeframesFromNode(child, out);
                 }
-                return;
+                return found;
             }
         }
 
         JsonNode child = node.path("child");
         if (!child.isMissingNode() && !child.isNull()) {
-            collectFromNode(child, out);
-            return;
+            return collectTimeframesFromNode(child, out);
         }
 
-        // 단일 START(기본 1m) 또는 TIMEFRAME 래핑 없는 트리
-        out.add("1m");
+        return false;
     }
 
     private static boolean allTimeframeChildren(JsonNode children) {

backend/src/main/java/com/goldenchart/service/StrategyTriggerBranchEvaluator.java

@@ -100,9 +100,35 @@ public class StrategyTriggerBranchEvaluator {
             }
         }
 
+        JsonNode wrapped = findTimeframeWrapper(node);
+        if (wrapped != null) {
+            String ct = LiveStrategyTimeframeService.normalize(wrapped.path("candleType").asText("1m"));
+            JsonNode sub = firstChild(wrapped);
+            return new BranchScope("SINGLE", List.of(new BranchDef(ct, sub != null && !sub.isNull() ? sub : node)));
+        }
+
         return new BranchScope("SINGLE", List.of(new BranchDef("1m", node)));
     }
 
+    /** 레거시 DSL — 루트가 TIMEFRAME이 아닐 때 하위 TIMEFRAME 래퍼 탐색 */
+    private static JsonNode findTimeframeWrapper(JsonNode node) {
+        if (node == null || node.isNull()) return null;
+        if ("TIMEFRAME".equals(node.path("type").asText(""))) return node;
+
+        JsonNode children = node.path("children");
+        if (children.isArray()) {
+            for (JsonNode child : children) {
+                JsonNode found = findTimeframeWrapper(child);
+                if (found != null) return found;
+            }
+        }
+        JsonNode child = node.path("child");
+        if (!child.isMissingNode() && !child.isNull()) {
+            return findTimeframeWrapper(child);
+        }
+        return null;
+    }
+
     private static JsonNode firstChild(JsonNode timeframeNode) {
         JsonNode children = timeframeNode.path("children");
         if (children.isArray() && !children.isEmpty()) return children.get(0);