전략평가 매매시그널 표시안되는 문제 수정

frontend/src/utils/ChartManager.ts

@@ -531,6 +531,11 @@ export class ChartManager {
     if (this._auxIndicatorOnlyLayout) {
       this.syncChartOverlayVisibility();
     }
+
+    // setData 시 마커 플러그인만 dispose 되고 backtestMarkers 배열은 유지됨 — 재적용
+    if (this.backtestMarkers.length > 0 || this.liveStrategyMarkers.length > 0) {
+      this._reapplyAllPatternMarkers();
+    }
   }
 
   /**

frontend/src/utils/backtestWarmup.ts

@@ -139,10 +139,11 @@ export async function fetchBacktestHistoryCandles(
     const raw = (await res.json()) as OHLCVBar[];
     if (raw.length === 0) break;
 
+    const before = byTime.size;
     for (const b of raw) byTime.set(b.time, b);
-    remaining -= raw.length;
+    if (byTime.size === before) break;
 
-    if (raw.length < batch) break;
+    remaining -= raw.length;
 
     const oldest = raw[0]?.time;
     if (!oldest || oldest <= 0) break;