уточнил недостающие данные

backend/Tnsu.ApprovalRoute.Infrastructure/TnsuPortal/CachingTnsuPortalClient.cs

@@ -22,7 +22,7 @@ public sealed class CachingTnsuPortalClient(HttpTnsuPortalClient inner, IMemoryC
             $"emp:email:{email.ToLowerInvariant()}",
             () => inner.GetEmployeeByEmailAsync(email, cancellationToken));
 
-    public Task<string?> GetEmployeeByPositionAsync(string position, string company, CancellationToken cancellationToken) =>
+    public Task<EmployeeLookupResult> GetEmployeeByPositionAsync(string position, string company, CancellationToken cancellationToken) =>
         GetOrAddAsync(
             $"emp:position:{position.ToLowerInvariant()}|{company.ToLowerInvariant()}",
             () => inner.GetEmployeeByPositionAsync(position, company, cancellationToken));

backend/Tnsu.ApprovalRoute.Infrastructure/TnsuPortal/HttpTnsuPortalClient.cs

@@ -25,12 +25,12 @@ public sealed class HttpTnsuPortalClient(
         return new EmployeeDirectoryInfo(employee.CompanyId ?? Guid.Empty, employee.DepartmentId, employee.Company ?? string.Empty, employee.Position);
     }
 
-    public async Task<string?> GetEmployeeByPositionAsync(string position, string company, CancellationToken cancellationToken)
+    public async Task<EmployeeLookupResult> GetEmployeeByPositionAsync(string position, string company, CancellationToken cancellationToken)
     {
         var employee = await GetAsync<EmployeeResponse>(
             $"/Employee/ByPosition?position={Uri.EscapeDataString(position)}&company={Uri.EscapeDataString(company)}", cancellationToken);
 
-        return employee?.Email;
+        return new EmployeeLookupResult(employee is not null, employee?.Email, employee?.Fio);
     }
 
     public async Task<string?> GetManagerAsync(string email, string managerType, CancellationToken cancellationToken)
@@ -107,7 +107,8 @@ public sealed class HttpTnsuPortalClient(
         [property: JsonPropertyName("company")] string? Company,
         [property: JsonPropertyName("companyId")] Guid? CompanyId,
         [property: JsonPropertyName("departmentId")] Guid? DepartmentId,
-        [property: JsonPropertyName("position")] string? Position);
+        [property: JsonPropertyName("position")] string? Position,
+        [property: JsonPropertyName("fio")] string? Fio);
 
     private sealed record ManagerResponse(
         [property: JsonPropertyName("managerEmail")] string? ManagerEmail);

backend/Tnsu.ApprovalRoute.Infrastructure/TnsuPortal/ITnsuPortalClient.cs

@@ -4,7 +4,7 @@ public interface ITnsuPortalClient
 {
     Task<EmployeeDirectoryInfo?> GetEmployeeByEmailAsync(string email, CancellationToken cancellationToken);
 
-    Task<string?> GetEmployeeByPositionAsync(string position, string company, CancellationToken cancellationToken);
+    Task<EmployeeLookupResult> GetEmployeeByPositionAsync(string position, string company, CancellationToken cancellationToken);
 
     Task<string?> GetManagerAsync(string email, string managerType, CancellationToken cancellationToken);
 

backend/Tnsu.ApprovalRoute.Infrastructure/TnsuPortal/TnsuPortalDtos.cs

@@ -5,3 +5,6 @@ namespace Tnsu.ApprovalRoute.Infrastructure.TnsuPortal;
 public sealed record EmployeeDirectoryInfo(Guid CompanyId, Guid? DepartmentId, string Company, string? Position);
 
 public sealed record ProjectExecutorInfo(ProjectRole ProjectRole, string Email);
+
+/// <summary>Найден ли сотрудник вообще — отдельно от того, заполнен ли у него email в портале (это разные проблемы).</summary>
+public sealed record EmployeeLookupResult(bool Found, string? Email, string? Fio);