가상수정2

frontend/src/hooks/useVirtualIndicatorSnapshots.ts

@@ -11,6 +11,7 @@ import {
 } from '../utils/backendApi';
 import { formatIndicatorDisplayLabel } from '../utils/indicatorRegistry';
 import {
+  coerceFiniteNumber,
   extractVirtualConditions,
   type VirtualConditionRow,
 } from '../utils/virtualStrategyConditions';
@@ -42,13 +43,13 @@ function liveRowToVirtual(r: LiveConditionRowDto): VirtualConditionRow & { curre
     displayName: formatIndicatorDisplayLabel(r.indicatorType),
     conditionType: r.conditionType,
     conditionLabel: r.conditionLabel,
-    targetValue: r.targetValue,
+    targetValue: coerceFiniteNumber(r.targetValue),
     timeframe: r.timeframe,
     side: r.side,
     plotKey,
     satisfied: r.satisfied,
     thresholdLabel: r.thresholdLabel,
-    currentValue: r.currentValue,
+    currentValue: coerceFiniteNumber(r.currentValue),
   };
 }
 
@@ -76,8 +77,8 @@ function mergeRows(
       ...row,
       satisfied: liveRow.satisfied,
       thresholdLabel: liveRow.thresholdLabel,
-      currentValue: liveRow.currentValue,
-      targetValue: liveRow.targetValue ?? row.targetValue,
+      currentValue: coerceFiniteNumber(liveRow.currentValue),
+      targetValue: coerceFiniteNumber(liveRow.targetValue) ?? row.targetValue,
     };
   });
 }
@@ -102,7 +103,12 @@ async function buildSnapshot(
     };
   }
 
-  const status = await fetchLiveConditionStatus(market, strategyId);
+  let status: Awaited<ReturnType<typeof fetchLiveConditionStatus>> = null;
+  try {
+    status = await fetchLiveConditionStatus(market, strategyId);
+  } catch {
+    status = null;
+  }
   if (!status || status.market !== market || status.strategyId !== strategyId) {
     if (baseRows.length === 0) return null;
     return {
@@ -121,7 +127,7 @@ async function buildSnapshot(
     timeframe: status.timeframe || [...new Set(baseRows.map(r => r.timeframe))].join(', '),
     rows: mergeRows(baseRows, status.rows),
     updatedAt: status.updatedAt || Date.now(),
-    matchRate: status.matchRate,
+    matchRate: coerceFiniteNumber(status.matchRate) ?? 0,
   };
 }