refactor(journal task): 重构期刊任务模块，优化答案数据结构与流程

1. 移除废弃的KeywordAnalysis相关接口与代码
2. 重构任务答案存储逻辑，改用一对多关联存储多组答案
3. 调整实体与DTO字段，统一评分、时长等任务配置字段位置
4. 优化任务查询与返回结构，使用列表统一管理答案数据
5. 修复微信授权控制器默认返回逻辑

QYZH.InteractiveMagazine.WebApi/Controllers/JournalController.cs

@@ -461,18 +461,6 @@ namespace QYZH.InteractiveMagazine.WebApi.Controllers
             return BaseResponse<long>.Success(data.Value);
         }
 
-        /// <summary>
-        /// 书页问题单项解析
-        /// </summary>
-        /// <returns></returns>
-        [HttpPost, Route("page/task/keyword-analysis")]
-        [ProducesResponseType(typeof(BaseResponse<bool>), 200)]
-        public async Task<BaseResponse<bool>> KeywordAnalysisAsync(JournalPageTaskKeywordAnalysis input)
-        {
-            var data = await JournalPageTaskService.KeywordAnalysisAsync(input);
-            return BaseResponse<bool>.Success(data);
-        }
-
         /// <summary>
         /// 书页问题更新
         /// </summary>

QYZH.InteractiveMagazine.WebApi/Controllers/WeChat/WeChatAuthController.cs

@@ -33,8 +33,9 @@ public class WeChatAuthController : WeChatBaseController
     {
         try
         {
-            var result = await _weChatAuthService.LoginAsync(input);
-            return Success(result);
+            //var result = await _weChatAuthService.LoginAsync(input);
+            //return Success(result);
+            return BaseResponse<WeChatLoginOutput>.Fail("微信登录失败，请稍后重试");
         }
         catch (BusinessException ex)
         {