전략편집기 수정

frontend/src/utils/virtualStrategyConditions.ts

@@ -5,6 +5,9 @@ import type { LogicNode } from './strategyTypes';
 import { CONDITION_LABEL } from './strategyTypes';
 import type { StrategyDto } from './backendApi';
 import { formatIndicatorDisplayLabel } from './indicatorRegistry';
+import { coerceFiniteNumber, safeToFixed } from './safeFormat';
+
+export { coerceFiniteNumber } from './safeFormat';
 
 export interface VirtualConditionRow {
   id: string;
@@ -71,14 +74,6 @@ function walk(
   node.children?.forEach(c => walk(c, timeframe, side, out, seen));
 }
 
-/** API·DSL에서 문자열로 올 수 있는 값을 안전하게 숫자로 변환 */
-export function coerceFiniteNumber(v: unknown): number | null {
-  if (v == null || v === '') return null;
-  if (typeof v === 'number') return Number.isFinite(v) ? v : null;
-  const n = Number(v);
-  return Number.isFinite(n) ? n : null;
-}
-
 export function extractVirtualConditions(strategy: StrategyDto | null | undefined): VirtualConditionRow[] {
   if (!strategy) return [];
   const out: VirtualConditionRow[] = [];
@@ -112,5 +107,5 @@ export function formatIndicatorValue(v: number | null | unknown): string {
   const n = coerceFiniteNumber(v);
   if (n == null) return '—';
   if (Math.abs(n) >= 1000) return n.toLocaleString(undefined, { maximumFractionDigits: 0 });
-  return n.toFixed(2);
+  return safeToFixed(n, 2);
 }