chore: 完成v1.2版本迭代与代码清理

本次提交完成了多项清理与规范工作：
1. 移除默认管理员硬编码配置与云同步相关代码
2. 简化前端与MAUI端的配置，关闭静态资源托管以外的冗余功能
3. 清理.gitignore与协调目录，移除临时文件与冗余规则
4. 统一项目命名规范，修正包名与版本号
5. 重构后端数据模型，移除ABP审计字段与云同步相关逻辑
6. 简化WebView配置与系统栏样式，移除不必要的平台检测代码
7. 更新文档与规则文件，完善项目规范与版本记录

src/Hua.Todo.Application/Repositories/TaskRepository.cs

@@ -22,17 +22,13 @@ public class TaskRepository : ITaskRepository
     }
 
     /// <summary>
-    /// 获取所有任务（本地用户），平面加载以支持任意深度树构建。
-    /// 不再使用 Include(t => t.SubTasks) 因为 EF Core 无法递归加载未知深度的子任务；
-    /// 树的构建交由 <see cref="TaskService.GetAllTasksAsync"/> 通过 parentTaskId 在内存中完成。
+    /// 获取所有任务。
     /// </summary>
-    /// <returns>包含所有任务实体的平面列表。</returns>
+    /// <returns>包含所有任务实体的列表。</returns>
     public async Task<List<TaskEntity>> GetAllAsync()
     {
         return await _context.Tasks
-            .AsNoTracking()
-            .Where(t => t.UserId == TodoUserIds.LocalUserId)
-            .OrderByDescending(t => t.CreationTime)
+            .Include(t => t.SubTasks)
             .ToListAsync();
     }
 
@@ -41,11 +37,11 @@ public class TaskRepository : ITaskRepository
     /// </summary>
     /// <param name="id">任务 ID。</param>
     /// <returns>匹配的任务实体；如果不存在则返回 null。</returns>
-    public async Task<TaskEntity?> GetByIdAsync(Guid id)
+    public async Task<TaskEntity?> GetByIdAsync(int id)
     {
         return await _context.Tasks
             .Include(t => t.SubTasks)
-            .FirstOrDefaultAsync(t => t.Id == id && t.UserId == TodoUserIds.LocalUserId);
+            .FirstOrDefaultAsync(t => t.Id == id);
     }
 
     /// <summary>
@@ -55,8 +51,8 @@ public class TaskRepository : ITaskRepository
     public async Task<List<TaskEntity>> GetActiveTasksAsync()
     {
         return await _context.Tasks
-            .Where(t => t.UserId == TodoUserIds.LocalUserId && !t.IsCompleted)
-            .OrderByDescending(t => t.CreationTime)
+            .Where(t => !t.IsCompleted)
+            .OrderByDescending(t => t.CreatedAt)
             .ToListAsync();
     }
 
@@ -67,8 +63,8 @@ public class TaskRepository : ITaskRepository
     public async Task<List<TaskEntity>> GetCompletedTasksAsync()
     {
         return await _context.Tasks
-            .Where(t => t.UserId == TodoUserIds.LocalUserId && t.IsCompleted)
-            .OrderByDescending(t => t.LastModificationTime)
+            .Where(t => t.IsCompleted)
+            .OrderByDescending(t => t.UpdatedAt)
             .ToListAsync();
     }
 
@@ -79,13 +75,6 @@ public class TaskRepository : ITaskRepository
     /// <returns>已持久化的任务实体（包含生成的 ID）。</returns>
     public async Task<TaskEntity> AddAsync(TaskEntity taskEntity)
     {
-        taskEntity.UserId = TodoUserIds.LocalUserId;
-        if (taskEntity.Id == Guid.Empty)
-        {
-            taskEntity.Id = Guid.NewGuid();
-        }
-        taskEntity.CreationTime = DateTime.UtcNow;
-        taskEntity.CreatorId = taskEntity.UserId;
         _context.Tasks.Add(taskEntity);
         await _context.SaveChangesAsync();
         return taskEntity;
@@ -98,20 +87,20 @@ public class TaskRepository : ITaskRepository
     /// <returns>更新后的任务实体。</returns>
     public async Task<TaskEntity> UpdateAsync(TaskEntity taskEntity)
     {
-        taskEntity.LastModificationTime = DateTime.UtcNow;
-        taskEntity.LastModifierId = taskEntity.UserId;
+        taskEntity.UpdatedAt = DateTime.UtcNow;
         _context.Tasks.Update(taskEntity);
         await _context.SaveChangesAsync();
         return taskEntity;
     }
 
     /// <summary>
-    /// 根据 ID 删除任务（物理删除）。
+    /// 根据 ID 删除任务。
     /// </summary>
     /// <param name="id">要删除的任务 ID。</param>
-    public async Task DeleteAsync(Guid id)
+    /// <returns>表示删除操作的任务。</returns>
+    public async Task DeleteAsync(int id)
     {
-        var task = await _context.Tasks.FirstOrDefaultAsync(t => t.Id == id && t.UserId == TodoUserIds.LocalUserId);
+        var task = await _context.Tasks.FindAsync(id);
         if (task != null)
         {
             _context.Tasks.Remove(task);
@@ -124,11 +113,11 @@ public class TaskRepository : ITaskRepository
     /// </summary>
     /// <param name="parentTaskId">父任务 ID。</param>
     /// <returns>子任务实体的列表。</returns>
-    public async Task<List<TaskEntity>> GetSubTasksAsync(Guid parentTaskId)
+    public async Task<List<TaskEntity>> GetSubTasksAsync(int parentTaskId)
     {
         return await _context.Tasks
-            .Where(t => t.UserId == TodoUserIds.LocalUserId && t.ParentTaskId == parentTaskId)
-            .OrderByDescending(t => t.CreationTime)
+            .Where(t => t.ParentTaskId == parentTaskId)
+            .OrderByDescending(t => t.CreatedAt)
             .ToListAsync();
     }
-}
+}