Merge branch 'trae' of https://github.com/YuJunZhiXue/qwen2API into trae

Author: YuJunZhiXue

frontend/src/lib/auth.ts

@@ -1,4 +1,20 @@
-export function getAuthHeader() {
-  const key = localStorage.getItem('qwen2api_key') || 'admin';
-  return { Authorization: `Bearer ${key}` };
+/**
+ * 读取当前会话凭证。
+ * - 优先使用 localStorage 中用户显式保存的 key
+ * - 仅在没有任何配置时回退到 "admin"，避免页面切换/刷新后静默丢失凭证
+ */
+export function getStoredApiKey(): string {
+  try {
+    const stored = localStorage.getItem('qwen2api_key')
+    if (stored && stored.trim()) return stored.trim()
+  } catch {
+    // localStorage 不可用时继续走默认值
+  }
+  return 'admin'
+}
+
+export function getAuthHeader(): Record<string, string> {
+  const key = getStoredApiKey()
+  if (!key) return {}
+  return { Authorization: `Bearer ${key}` }
 }