chore: 提交现有修改

src/Core/TakeoutSaaS.Shared.Abstractions/Exceptions/BusinessException.cs

@@ -3,16 +3,11 @@ namespace TakeoutSaaS.Shared.Abstractions.Exceptions;
 /// <summary>
 /// 业务异常（用于可预期的业务校验错误）。
 /// </summary>
-public class BusinessException : Exception
+public class BusinessException(int errorCode, string message) : Exception(message)
 {
     /// <summary>
     /// 业务错误码。
     /// </summary>
-    public int ErrorCode { get; }
-
-    public BusinessException(int errorCode, string message) : base(message)
-    {
-        ErrorCode = errorCode;
-    }
+    public int ErrorCode { get; } = errorCode;
 }
 

src/Core/TakeoutSaaS.Shared.Abstractions/Exceptions/ValidationException.cs

@@ -6,17 +6,11 @@ namespace TakeoutSaaS.Shared.Abstractions.Exceptions;
 /// <summary>
 /// 验证异常（用于聚合验证错误信息）。
 /// </summary>
-public class ValidationException : Exception
+public class ValidationException(IDictionary<string, string[]> errors) : Exception("一个或多个验证错误")
 {
     /// <summary>
     /// 字段/属性的错误集合。
     /// </summary>
-    public IDictionary<string, string[]> Errors { get; }
-
-    public ValidationException(IDictionary<string, string[]> errors)
-        : base("一个或多个验证错误")
-    {
-        Errors = errors;
-    }
+    public IDictionary<string, string[]> Errors { get; } = errors;
 }
 

src/Core/TakeoutSaaS.Shared.Abstractions/Results/PagedResult.cs

@@ -6,42 +6,33 @@ namespace TakeoutSaaS.Shared.Abstractions.Results;
 /// 分页结果包装，携带列表与总条数等元数据。
 /// </summary>
 /// <typeparam name="T">数据类型。</typeparam>
-public sealed class PagedResult<T>
+/// <remarks>
+/// 初始化分页结果。
+/// </remarks>
+public sealed class PagedResult<T>(IReadOnlyList<T> items, int page, int pageSize, int totalCount)
 {
     /// <summary>
     /// 数据列表。
     /// </summary>
-    public IReadOnlyList<T> Items { get; }
+    public IReadOnlyList<T> Items { get; } = items;
 
     /// <summary>
     /// 当前页码，从 1 开始。
     /// </summary>
-    public int Page { get; }
+    public int Page { get; } = page;
 
     /// <summary>
     /// 每页条数。
     /// </summary>
-    public int PageSize { get; }
+    public int PageSize { get; } = pageSize;
 
     /// <summary>
     /// 总条数。
     /// </summary>
-    public int TotalCount { get; }
+    public int TotalCount { get; } = totalCount;
 
     /// <summary>
     /// 总页数。
     /// </summary>
-    public int TotalPages { get; }
-
-    /// <summary>
-    /// 初始化分页结果。
-    /// </summary>
-    public PagedResult(IReadOnlyList<T> items, int page, int pageSize, int totalCount)
-    {
-        Items = items;
-        Page = page;
-        PageSize = pageSize;
-        TotalCount = totalCount;
-        TotalPages = pageSize == 0 ? 0 : (int)Math.Ceiling(totalCount / (double)pageSize);
-    }
+    public int TotalPages { get; } = pageSize == 0 ? 0 : (int)Math.Ceiling(totalCount / (double)pageSize);
 }

src/Core/TakeoutSaaS.Shared.Abstractions/Tenancy/TenantContext.cs

@@ -3,40 +3,33 @@ namespace TakeoutSaaS.Shared.Abstractions.Tenancy;
 /// <summary>
 /// 租户上下文：封装当前请求解析得到的租户标识、编号及解析来源。
 /// </summary>
-public sealed class TenantContext
+/// <remarks>
+/// 初始化租户上下文。
+/// </remarks>
+/// <param name="tenantId">租户 ID</param>
+/// <param name="tenantCode">租户编码（可选）</param>
+/// <param name="source">解析来源</param>
+public sealed class TenantContext(long tenantId, string? tenantCode, string source)
 {
     /// <summary>
     /// 未解析到租户时的默认上下文。
     /// </summary>
     public static TenantContext Empty { get; } = new(0, null, "unresolved");
 
-    /// <summary>
-    /// 初始化租户上下文。
-    /// </summary>
-    /// <param name="tenantId">租户 ID</param>
-    /// <param name="tenantCode">租户编码（可选）</param>
-    /// <param name="source">解析来源</param>
-    public TenantContext(long tenantId, string? tenantCode, string source)
-    {
-        TenantId = tenantId;
-        TenantCode = tenantCode;
-        Source = source;
-    }
-
     /// <summary>
     /// 当前租户 ID，未解析时为 Guid.Empty。
     /// </summary>
-    public long TenantId { get; }
+    public long TenantId { get; } = tenantId;
 
     /// <summary>
     /// 当前租户编码（例如子域名或业务编码），可为空。
     /// </summary>
-    public string? TenantCode { get; }
+    public string? TenantCode { get; } = tenantCode;
 
     /// <summary>
     /// 租户解析来源（Header、Host、Token 等）。
     /// </summary>
-    public string Source { get; }
+    public string Source { get; } = source;
 
     /// <summary>
     /// 是否已成功解析到租户。