대시보드 실시간 기능 추가

features/dashboard/hooks/use-market-realtime.ts

@@ -0,0 +1,77 @@
+"use client";
+
+import { useState, useCallback } from "react";
+import {
+  parseKisRealtimeIndexTick,
+  type KisRealtimeIndexTick,
+} from "@/features/dashboard/utils/kis-index-realtime.utils";
+import { useKisWebSocket } from "@/features/kis-realtime/hooks/useKisWebSocket";
+import type { KisRuntimeCredentials } from "@/features/settings/store/use-kis-runtime-store";
+
+const INDEX_TR_ID = "H0UPCNT0";
+const KOSPI_SYMBOL = "0001";
+const KOSDAQ_SYMBOL = "1001";
+
+interface UseMarketRealtimeResult {
+  realtimeIndices: Record<string, KisRealtimeIndexTick>;
+  isConnected: boolean;
+  hasReceivedTick: boolean;
+  isPending: boolean;
+  lastTickAt: string | null;
+}
+
+/**
+ * @description 코스피/코스닥 실시간 지수 웹소켓 구독 상태를 관리합니다.
+ * @param credentials KIS 인증 정보(하위 호환 파라미터)
+ * @param isVerified KIS 연결 인증 여부
+ * @returns 실시간 지수 맵/연결 상태/수신 대기 상태
+ * @remarks UI 흐름: DashboardContainer -> useMarketRealtime -> MarketSummary/StatusHeader 렌더링 반영
+ * @see features/dashboard/components/DashboardContainer.tsx 지수 데이터 통합 및 상태 전달
+ */
+export function useMarketRealtime(
+  _credentials: KisRuntimeCredentials | null, // 하위 호환성을 위해 남겨둠 (실제로는 스토어 사용)
+  isVerified: boolean, // 하위 호환성을 위해 남겨둠
+): UseMarketRealtimeResult {
+  const [realtimeIndices, setRealtimeIndices] = useState<
+    Record<string, KisRealtimeIndexTick>
+  >({});
+  const [lastTickAt, setLastTickAt] = useState<string | null>(null);
+
+  const handleMessage = useCallback((data: string) => {
+    const tick = parseKisRealtimeIndexTick(data);
+    if (tick) {
+      setLastTickAt(new Date().toISOString());
+      setRealtimeIndices((prev) => ({
+        ...prev,
+        [tick.symbol]: tick,
+      }));
+    }
+  }, []);
+
+  // KOSPI 구독
+  const { isConnected: isKospiConnected } = useKisWebSocket({
+    symbol: KOSPI_SYMBOL,
+    trId: INDEX_TR_ID,
+    onMessage: handleMessage,
+    enabled: isVerified,
+  });
+
+  // KOSDAQ 구독
+  const { isConnected: isKosdaqConnected } = useKisWebSocket({
+    symbol: KOSDAQ_SYMBOL,
+    trId: INDEX_TR_ID,
+    onMessage: handleMessage,
+    enabled: isVerified,
+  });
+
+  const hasReceivedTick = Object.keys(realtimeIndices).length > 0;
+  const isPending = isVerified && (isKospiConnected || isKosdaqConnected) && !hasReceivedTick;
+
+  return {
+    realtimeIndices,
+    isConnected: isKospiConnected || isKosdaqConnected,
+    hasReceivedTick,
+    isPending,
+    lastTickAt,
+  };
+}