obv 신호선

frontend/src/utils/strategyToChartIndicators.ts

@@ -8,6 +8,8 @@ import {
   enrichIndicatorConfig,
   getIndicatorDef,
   getHLineLabel,
+  mergePlotDefs,
+  normalizeObvParams,
   type HLineDef,
 } from './indicatorRegistry';
 import { buildMainIndicatorConfig } from './indicatorMainConfig';
@@ -199,6 +201,17 @@ function buildOneIndicator(
       plots: mainSma?.plots ?? cfg.plots,
       plotVisibility: mainSma?.plotVisibility ?? cfg.plotVisibility,
     });
+  } else if (ref.registryType === 'OBV') {
+    const p = normalizeObvParams({ ...cfg.params });
+    const signalLen = ref.rightPeriod ?? ref.period;
+    if (signalLen != null && signalLen > 0) {
+      p.maLength = signalLen;
+    }
+    cfg = {
+      ...cfg,
+      params: p,
+      plots: mergePlotDefs(cfg.plots, def.plots),
+    };
   } else if (ref.period != null && ref.period > 0) {
     cfg = {
       ...cfg,