전체적인 리팩토링

app/api/autotrade/sessions/active/route.ts

@@ -0,0 +1,25 @@
+import { NextResponse } from "next/server";
+import {
+  AUTOTRADE_API_ERROR_CODE,
+  createAutotradeErrorResponse,
+  getAutotradeSession,
+  getAutotradeUserId,
+} from "@/app/api/autotrade/_shared";
+
+export async function GET(request: Request) {
+  const userId = await getAutotradeUserId(request.headers);
+  if (!userId) {
+    return createAutotradeErrorResponse({
+      status: 401,
+      code: AUTOTRADE_API_ERROR_CODE.AUTH_REQUIRED,
+      message: "로그인이 필요합니다.",
+    });
+  }
+
+  const session = getAutotradeSession(userId);
+
+  return NextResponse.json({
+    ok: true,
+    session: session && session.runtimeState === "RUNNING" ? session : null,
+  });
+}