보안 점검 및 대시보드 문구 수정

app/api/kis/validate/route.ts

@@ -5,6 +5,7 @@ import {
   validateKisCredentialInput,
 } from "@/lib/kis/request";
 import { getKisAccessToken } from "@/lib/kis/token";
+import { hasKisApiSession } from "@/app/api/kis/_session";
 import { NextRequest, NextResponse } from "next/server";
 
 /**
@@ -20,6 +21,18 @@ export async function POST(request: NextRequest) {
   const credentials = await parseKisCredentialRequest(request);
   const tradingEnv = normalizeTradingEnv(credentials.tradingEnv);
 
+  const hasSession = await hasKisApiSession();
+  if (!hasSession) {
+    return NextResponse.json(
+      {
+        ok: false,
+        tradingEnv,
+        message: "로그인이 필요합니다.",
+      } satisfies DashboardKisValidateResponse,
+      { status: 401 },
+    );
+  }
+
   const invalidMessage = validateKisCredentialInput(credentials);
   if (invalidMessage) {
     return NextResponse.json(