fix: 重置密码忽略租户过滤

src/Infrastructure/TakeoutSaaS.Infrastructure/Identity/Persistence/EfIdentityUserRepository.cs

@@ -50,6 +50,19 @@ public sealed class EfIdentityUserRepository(IdentityDbContext dbContext) : IIde
     public Task<IdentityUser?> GetForUpdateAsync(long userId, CancellationToken cancellationToken = default)
         => dbContext.IdentityUsers.FirstOrDefaultAsync(x => x.Id == userId, cancellationToken);
 
+    /// <summary>
+    /// 根据 ID 获取后台用户（用于更新，忽略租户过滤器）。
+    /// </summary>
+    /// <remarks>用于跨租户场景（如平台生成的重置密码链接）。</remarks>
+    /// <param name="userId">用户 ID。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>后台用户或 null。</returns>
+    public Task<IdentityUser?> GetForUpdateIgnoringTenantAsync(long userId, CancellationToken cancellationToken = default)
+        => dbContext.IdentityUsers
+            .IgnoreQueryFilters()
+            .Where(x => x.DeletedAt == null)
+            .FirstOrDefaultAsync(x => x.Id == userId, cancellationToken);
+
     /// <summary>
     /// 按租户与关键字搜索后台用户（只读）。
     /// </summary>