更新移动端认证API，新增地理位置参数支持，优化登录逻辑以处理位置获取失败的情况，提升用户体验和代码可维护性。

client/share/types.ts

@@ -48,7 +48,7 @@ export interface MenuItem {
 export interface AuthContextType {
   user: User | null;
   token: string | null;
-  login: (username: string, password: string) => Promise<void>;
+  login: (username: string, password: string, latitude?: number, longitude?: number) => Promise<void>;
   logout: () => Promise<void>;
   isAuthenticated: boolean;
   isLoading: boolean;