docs: include dto comments in openapi schemas

Tiku.Api/Controllers/MeController.cs

@@ -53,6 +53,14 @@ public sealed class MeController(
     }
 }
 
+/// <summary>
+/// 当前用户基础信息和租户成员摘要。
+/// </summary>
+/// <param name="UserId">用户 ID。</param>
+/// <param name="Phone">手机号。</param>
+/// <param name="Email">邮箱。</param>
+/// <param name="Name">用户显示名称。</param>
+/// <param name="Tenants">当前用户拥有的活跃租户成员列表。</param>
 public sealed record MeResponse(
     Guid UserId,
     string? Phone,
@@ -60,6 +68,14 @@ public sealed record MeResponse(
     string? Name,
     IReadOnlyCollection<TenantMembershipResponse> Tenants);
 
+/// <summary>
+/// 用户在某个租户内的成员摘要。
+/// </summary>
+/// <param name="TenantId">租户 ID。</param>
+/// <param name="TenantName">租户名称。</param>
+/// <param name="TenantSlug">租户编码。</param>
+/// <param name="Role">当前用户在该租户内的角色。</param>
+/// <param name="Status">租户成员状态。</param>
 public sealed record TenantMembershipResponse(
     Guid TenantId,
     string TenantName,