feat: 新增用户状态检查和 api key 准备功能

server/api/auth/ready.get.ts

@@ -0,0 +1,36 @@
+import type { IUserReadyData } from "#shared/types";
+
+export default defineEventHandler(async (event) => {
+  try {
+    const result = await ensureAiArtStudioToken(event);
+
+    return createSuccessResponse<IUserReadyData>(
+      result,
+      result.created ? "环境初始化完成" : "环境已准备"
+    );
+  } catch (error) {
+    if (isUnauthorizedError(error)) {
+      clearNewApiAuthCookies(event);
+      return createErrorResponse(401, "未登录");
+    }
+
+    return createUpstreamErrorResponse(error, "环境准备失败");
+  }
+});
+
+/** 鉴权失败时清理本地 cookie，避免继续携带失效的 NewAPI 登录态 */
+const isUnauthorizedError = (error: unknown): boolean => {
+  const fetchError = error as {
+    response?: {
+      status?: number;
+    };
+    status?: number;
+    statusCode?: number;
+  };
+
+  return (
+    fetchError.statusCode === 401 ||
+    fetchError.status === 401 ||
+    fetchError.response?.status === 401
+  );
+};