보안 점검 및 대시보드 문구 수정

app/api/kis/domestic/chart/route.ts

@@ -6,6 +6,7 @@ import type { KisCredentialInput } from "@/lib/kis/config";
 import { hasKisConfig, normalizeTradingEnv } from "@/lib/kis/config";
 import { getDomesticChart } from "@/lib/kis/domestic";
 import { NextRequest, NextResponse } from "next/server";
+import { hasKisApiSession } from "@/app/api/kis/_session";
 
 const VALID_TIMEFRAMES: DashboardChartTimeframe[] = [
   "1m",
@@ -20,6 +21,11 @@ const VALID_TIMEFRAMES: DashboardChartTimeframe[] = [
  * @description 국내주식 차트(분봉/일봉/주봉) 조회 API
  */
 export async function GET(request: NextRequest) {
+  const hasSession = await hasKisApiSession();
+  if (!hasSession) {
+    return NextResponse.json({ error: "로그인이 필요합니다." }, { status: 401 });
+  }
+
   const { searchParams } = new URL(request.url);
   const symbol = (searchParams.get("symbol") ?? "").trim();
   const timeframe = (