- Sustituidas las confirmaciones genéricas del navegador por una ventana propia, responsive y accesible.

- Adaptados los avisos al importar, tramitar, rechazar y cambiar la asignación de denuncias de otros usuarios o grupos.
- Añadidos textos y botones específicos para cada operación.
- Actualizadas las instrucciones, sustituyendo “modal” por “ventana de configuración de la subida”.
- Aclarado el funcionamiento del asunto, grupo de destino y tercero.

Antifraude.Net/ApiDenuncias/Configuration/GestionaOptions.cs

@@ -13,6 +13,8 @@ namespace ApiDenuncias.Configuration
         public string? CircuitUpdateTemplateName { get; set; }
         public string? CircuitUpdateSajTemplateName { get; set; }
         public string? CircuitUpdateSdiTemplateName { get; set; }
+        public string? CircuitCommunicationSajTemplateName { get; set; }
+        public string? CircuitCommunicationSdiTemplateName { get; set; }
         public string? CircuitSignerStampTitle { get; set; }
         public string? CircuitVersion { get; set; }
         public string? DocumentMetadataLanguage { get; set; }

Antifraude.Net/ApiDenuncias/Controllers/AuthController.cs

@@ -304,7 +304,15 @@ public sealed class AuthController : ControllerBase
             : session.Username.Trim();
 
         _logger.LogInformation("Login GlobalLeaks validado para {Username}. Guardando sesion cifrada.", username);
-        await _sessionStore.SaveAsync(username, password, session.Id, session.Role, cancellationToken);
+        await _sessionStore.SaveAsync(
+            username,
+            password,
+            session.Id,
+            session.Role,
+            session.DpopPrivateKey,
+            session.ProofOfWorkToken,
+            session.SessionExpiresAtUtc,
+            cancellationToken);
         _logger.LogInformation("Sesion GlobalLeaks guardada para {Username}. Generando JWT.", username);
 
         var expiresAtUtc = DateTimeOffset.UtcNow.AddMinutes(Math.Max(5, _jwtOptions.ExpirationMinutes));

Antifraude.Net/ApiDenuncias/Controllers/ConfigurationController.cs

@@ -12,10 +12,14 @@ namespace ApiDenuncias.Controllers;
 public sealed class ConfigurationController : ControllerBase
 {
     private readonly AppConfigurationService _configurationService;
+    private readonly WorkGroupAdministrationService _workGroupService;
 
-    public ConfigurationController(AppConfigurationService configurationService)
+    public ConfigurationController(
+        AppConfigurationService configurationService,
+        WorkGroupAdministrationService workGroupService)
     {
         _configurationService = configurationService;
+        _workGroupService = workGroupService;
     }
 
     [HttpGet]
@@ -48,4 +52,46 @@ public sealed class ConfigurationController : ControllerBase
 
         return Ok(await _configurationService.SetExternalUpdateCutoffDateAsync(date, cancellationToken));
     }
+
+    [HttpGet("work-groups")]
+    [Authorize(Policy = "ConfigurationAdministrators")]
+    public async Task<ActionResult<WorkGroupAdministrationDto>> GetWorkGroups(
+        CancellationToken cancellationToken)
+    {
+        return Ok(await _workGroupService.GetAsync(cancellationToken));
+    }
+
+    [HttpGet("work-groups/current")]
+    public async Task<ActionResult<CurrentUserWorkGroupsDto>> GetCurrentUserWorkGroups(
+        CancellationToken cancellationToken)
+    {
+        var username = User.Identity?.Name ??
+                       throw new InvalidOperationException("No hay usuario autenticado.");
+
+        return Ok(await _workGroupService.GetUserGroupsAsync(username, cancellationToken));
+    }
+
+    [HttpPut("work-groups/users/{username}")]
+    [Authorize(Policy = "ConfigurationAdministrators")]
+    public async Task<ActionResult<WorkGroupAdministrationDto>> SetUserWorkGroups(
+        string username,
+        UpdateUserWorkGroupsRequest request,
+        CancellationToken cancellationToken)
+    {
+        var changedBy = User.Identity?.Name ??
+                        throw new InvalidOperationException("No hay usuario autenticado.");
+
+        try
+        {
+            return Ok(await _workGroupService.UpdateUserGroupsAsync(
+                username,
+                request.GroupCodes ?? [],
+                changedBy,
+                cancellationToken));
+        }
+        catch (InvalidOperationException ex)
+        {
+            return BadRequest(new ApiError(ex.Message));
+        }
+    }
 }

Antifraude.Net/ApiDenuncias/Controllers/DenunciasController.cs

@@ -1,5 +1,6 @@
 using System.Globalization;
 using System.Text;
+using System.Text.RegularExpressions;
 using ApiDenuncias.Services;
 using GestionaDenuncias.Shared.Models;
 using Microsoft.AspNetCore.Authorization;
@@ -44,13 +45,22 @@ public sealed class DenunciasController : ControllerBase
         [FromQuery] DenunciaListScope scope,
         CancellationToken cancellationToken)
     {
-        var allowedIds = await GetAllowedIdsAsync(cancellationToken);
-        if (allowedIds.Count == 0)
+        await _denunciaStore.EnsureSchemaAsync(cancellationToken);
+        var access = await _accessService.GetComplaintAccessAsync(
+            GetUsername(),
+            null,
+            cancellationToken);
+        if (access.Count == 0)
         {
             return Ok(new List<DenunciasGestiona>());
         }
 
-        return Ok(await _filteredDenunciaStore.GetDenunciasByIdsAsync(allowedIds, scope, cancellationToken));
+        var complaints = await _filteredDenunciaStore.GetDenunciasByIdsAsync(
+            access.Keys.ToArray(),
+            scope,
+            cancellationToken);
+        ApplyAccessMetadata(complaints, access);
+        return Ok(complaints);
     }
 
     [HttpGet("{denunciaId:int}")]
@@ -61,11 +71,23 @@ public sealed class DenunciasController : ControllerBase
             return NotFound();
         }
 
-        return Ok(await _denunciaStore.GetDenunciaByIdAsync(denunciaId, cancellationToken));
+        var complaint = await _denunciaStore.GetDenunciaByIdAsync(denunciaId, cancellationToken);
+        if (complaint is null)
+        {
+            return Ok(null);
+        }
+
+        var access = await _accessService.GetComplaintAccessAsync(
+            GetUsername(),
+            [denunciaId],
+            cancellationToken);
+        ApplyAccessMetadata([complaint], access);
+        return Ok(complaint);
     }
 
+    [AllowAnonymous]
     [HttpGet("{denunciaId:int}/gestiona-fields")]
-    public async Task<ActionResult<GestionaComplaintFieldsResponse>> GetGestionaFields(
+    public async Task<ActionResult<GestionaExternalFieldsResponse>> GetGestionaFields(
         int denunciaId,
         CancellationToken cancellationToken)
     {
@@ -80,7 +102,48 @@ public sealed class DenunciasController : ControllerBase
             return NotFound(new ApiError("No se ha encontrado la denuncia solicitada."));
         }
 
-        return Ok(ToGestionaComplaintFields(denuncia));
+        return BuildGestionaFieldsResponse(denuncia);
+    }
+
+    [AllowAnonymous]
+    [HttpGet("{numeroExpediente:int}/{anioExpediente:int}/gestiona-fields")]
+    public async Task<ActionResult<GestionaExternalFieldsResponse>> GetGestionaFieldsByExpediente(
+        int numeroExpediente,
+        int anioExpediente,
+        CancellationToken cancellationToken)
+    {
+        if (numeroExpediente <= 0 || anioExpediente <= 0)
+        {
+            return BadRequest(new ApiError("Debes indicar un numero de expediente de Gestiona valido."));
+        }
+
+        var expedienteGestiona = $"{numeroExpediente.ToString(CultureInfo.InvariantCulture)}/{anioExpediente.ToString(CultureInfo.InvariantCulture)}";
+        var denuncia = await _filteredDenunciaStore.GetDenunciaByGestionaFileCodeAsync(
+            expedienteGestiona,
+            cancellationToken);
+        if (denuncia is null)
+        {
+            return NotFound(new ApiError("No se ha encontrado una denuncia asociada al expediente de Gestiona solicitado."));
+        }
+
+        return BuildGestionaFieldsResponse(denuncia);
+    }
+
+    private ActionResult<GestionaExternalFieldsResponse> BuildGestionaFieldsResponse(DenunciasGestiona denuncia)
+    {
+        var response = ToGestionaComplaintFields(denuncia);
+        var missingFields = GetMissingGestionaFields(response);
+        if (missingFields.Count > 0)
+        {
+            _logger.LogInformation(
+                "Campos Gestiona denuncia {DenunciaId}: campos vacios={MissingFields}; rawReportLength={RawReportLength}; formFieldsCount={FormFieldsCount}.",
+                denuncia.Id_Denuncia,
+                string.Join(", ", missingFields),
+                denuncia.TextoOriginalReport?.Length ?? 0,
+                denuncia.GetCamposFormulario().Count);
+        }
+
+        return Ok(ToExternalGestionaFields(response));
     }
 
     [HttpPost]
@@ -232,20 +295,29 @@ public sealed class DenunciasController : ControllerBase
     private string GetUsername()
         => User.Identity?.Name ?? throw new InvalidOperationException("No hay usuario autenticado.");
 
+    private static void ApplyAccessMetadata(
+        IEnumerable<DenunciasGestiona> complaints,
+        IReadOnlyDictionary<int, ComplaintAccessInfo> access)
+    {
+        foreach (var complaint in complaints)
+        {
+            if (!access.TryGetValue(complaint.Id_Denuncia, out var item))
+            {
+                continue;
+            }
+
+            complaint.OwnerUsername = item.OwnerUsername;
+            complaint.OwnedByCurrentUser = item.OwnedByCurrentUser;
+            complaint.RequiresOwnerConfirmation = item.RequiresOwnerConfirmation;
+            complaint.OwnerWorkGroups = item.OwnerGroupCodes;
+        }
+    }
+
     private static GestionaComplaintFieldsResponse ToGestionaComplaintFields(DenunciasGestiona denuncia)
     {
-        var preferenciaNotificacion = ResolveReportField(
-            denuncia,
-            denuncia.Notificacion_Preferencia,
-            "preferencia de notificacion",
-            "seleccione su preferencia de notificacion y seguimiento de su denuncia",
-            "notificaciones");
-
-        var seguimiento = ResolveReportField(
-            denuncia,
-            denuncia.SeguimientoOnline,
-            "seguimiento online",
-            "seguimiento de su denuncia");
+        var preferenciaNotificacion = ResolveNotificationPreference(denuncia);
+        var seguimiento = ResolveSeguimientoDenuncia(denuncia);
+        var sms = ResolveSmsNotification(denuncia);
 
         return new GestionaComplaintFieldsResponse(
             FechaDenuncia: ToNullableDate(denuncia.Fecha),
@@ -255,29 +327,38 @@ public sealed class DenunciasController : ControllerBase
                 ResolveReportField(denuncia, string.Empty, "resumen de la denuncia", "resumen denuncia"),
                 ResolveReportField(denuncia, denuncia.Descripcion_Denuncia, "describa su denuncia", "descripcion de la denuncia")),
             FechaHechos: ResolveFechaHechos(denuncia),
-            LugarHechos: ResolveReportField(
-                denuncia,
-                denuncia.Lugar_Hechos,
-                "lugar en el que ocurrieron los hechos que denuncia",
-                "lugar en la que ocurrieron los hechos que denuncia",
-                "lugar de los hechos"),
+            LugarHechos: ResolveLugarHechos(denuncia),
             AmbitoCompetencias: ResolveAmbitoCompetencias(denuncia),
             SolicitaProteccion: ResolveReportField(denuncia, denuncia.SolicitaProteccion, "solicita medidas concretas de proteccion", "solicita proteccion"),
             SexoDenunciante: ResolveReportField(denuncia, denuncia.Sexo, "sexo"),
             AutorizaRemisionDenuncia: ResolveReportField(denuncia, denuncia.AutorizaRemision, "autorizacion para remitir su denuncia", "autoriza remision de la denuncia"),
-            AutorizaNotificacionesViaSms: ResolveReportField(
-                denuncia,
-                denuncia.Notificacion_Sms,
-                "autorizo recibir notificaciones via sms",
-                "autorizacion notificaciones via sms",
-                "autorizacion para recibir notificaciones via sms",
-                "autoriza notificaciones via sms",
-                "autorizo recibir notificaciones sms",
-                "notificaciones via sms",
-                "sms"),
+            AutorizaNotificacionesViaSms: sms,
             PreferenciaNotificacionSeguimientoDenuncia: JoinDistinct(preferenciaNotificacion, seguimiento));
     }
 
+    private static GestionaExternalFieldsResponse ToExternalGestionaFields(GestionaComplaintFieldsResponse source)
+    {
+        return new GestionaExternalFieldsResponse(
+            new Dictionary<string, GestionaExternalFieldValue>(StringComparer.Ordinal)
+            {
+                ["fechaDenuncia"] = StringField(source.FechaDenuncia?.ToString("O", CultureInfo.InvariantCulture) ?? string.Empty),
+                ["numeroDenunciaCanal"] = StringField(source.NumeroDenunciaCanal.ToString(CultureInfo.InvariantCulture)),
+                ["aQuienDenuncia"] = StringField(source.AQuienDenuncia),
+                ["resumenDenuncia"] = StringField(source.ResumenDenuncia),
+                ["fechaHechos"] = StringField(source.FechaHechos),
+                ["lugarHechos"] = StringField(source.LugarHechos),
+                ["ambitoCompetencias"] = StringField(source.AmbitoCompetencias),
+                ["solicitaProteccion"] = StringField(source.SolicitaProteccion),
+                ["sexoDenunciante"] = StringField(source.SexoDenunciante),
+                ["autorizaRemisionDenuncia"] = StringField(source.AutorizaRemisionDenuncia),
+                ["autorizaNotificacionesViaSms"] = StringField(source.AutorizaNotificacionesViaSms),
+                ["preferenciaNotificacionSeguimientoDenuncia"] = StringField(source.PreferenciaNotificacionSeguimientoDenuncia)
+            });
+    }
+
+    private static GestionaExternalFieldValue StringField(string? value)
+        => new("STRING", value?.Trim() ?? string.Empty);
+
     private async Task TryRegisterGestionaHistoryFromComplaintAsync(
         DenunciasGestiona denuncia,
         CancellationToken cancellationToken)
@@ -319,6 +400,32 @@ public sealed class DenunciasController : ControllerBase
     private static DateTime? ToNullableDate(DateTime value)
         => value == DateTime.MinValue ? null : value;
 
+    private static IReadOnlyList<string> GetMissingGestionaFields(GestionaComplaintFieldsResponse response)
+    {
+        var missing = new List<string>();
+
+        AddIfMissing(missing, response.AQuienDenuncia, nameof(response.AQuienDenuncia));
+        AddIfMissing(missing, response.ResumenDenuncia, nameof(response.ResumenDenuncia));
+        AddIfMissing(missing, response.FechaHechos, nameof(response.FechaHechos));
+        AddIfMissing(missing, response.LugarHechos, nameof(response.LugarHechos));
+        AddIfMissing(missing, response.AmbitoCompetencias, nameof(response.AmbitoCompetencias));
+        AddIfMissing(missing, response.SolicitaProteccion, nameof(response.SolicitaProteccion));
+        AddIfMissing(missing, response.SexoDenunciante, nameof(response.SexoDenunciante));
+        AddIfMissing(missing, response.AutorizaRemisionDenuncia, nameof(response.AutorizaRemisionDenuncia));
+        AddIfMissing(missing, response.AutorizaNotificacionesViaSms, nameof(response.AutorizaNotificacionesViaSms));
+        AddIfMissing(missing, response.PreferenciaNotificacionSeguimientoDenuncia, nameof(response.PreferenciaNotificacionSeguimientoDenuncia));
+
+        return missing;
+    }
+
+    private static void AddIfMissing(List<string> missing, string? value, string fieldName)
+    {
+        if (string.IsNullOrWhiteSpace(value))
+        {
+            missing.Add(fieldName);
+        }
+    }
+
     private static string ResolveFechaHechos(DenunciasGestiona denuncia)
     {
         var literalValue = ResolveReportField(
@@ -332,16 +439,125 @@ public sealed class DenunciasController : ControllerBase
             return literalValue;
         }
 
+        var textDate = ExtractDateAfterReportLabel(
+            denuncia.TextoOriginalReport,
+            normalizedLabel => normalizedLabel.Contains("fecha", StringComparison.Ordinal) &&
+                               normalizedLabel.Contains("hechos", StringComparison.Ordinal));
+        if (!string.IsNullOrWhiteSpace(textDate))
+        {
+            return textDate;
+        }
+
         return denuncia.Fecha_Hechos == DateTime.MinValue
             ? string.Empty
             : denuncia.Fecha_Hechos.ToString("dd/MM/yyyy", CultureInfo.InvariantCulture);
     }
 
+    private static string ResolveLugarHechos(DenunciasGestiona denuncia)
+    {
+        var directValue = ResolveReportField(
+            denuncia,
+            denuncia.Lugar_Hechos,
+            "lugar en el que ocurrieron los hechos que denuncia",
+            "lugar en la que ocurrieron los hechos que denuncia",
+            "lugar de los hechos");
+
+        if (!string.IsNullOrWhiteSpace(directValue))
+        {
+            return directValue;
+        }
+
+        return ExtractReportTextValue(
+            denuncia.TextoOriginalReport,
+            normalizedLabel => normalizedLabel.Contains("lugar", StringComparison.Ordinal) &&
+                               normalizedLabel.Contains("hechos", StringComparison.Ordinal));
+    }
+
+    private static string ResolveSeguimientoDenuncia(DenunciasGestiona denuncia)
+    {
+        var directValue = ResolveReportField(
+            denuncia,
+            denuncia.SeguimientoOnline,
+            "seguimiento online",
+            "seguimiento de su denuncia");
+
+        if (!string.IsNullOrWhiteSpace(directValue))
+        {
+            return directValue;
+        }
+
+        return ReportContainsLabel(denuncia.TextoOriginalReport, "seguimiento online")
+            ? "Seguimiento Online"
+            : string.Empty;
+    }
+
+    private static string ResolveNotificationPreference(DenunciasGestiona denuncia)
+    {
+        var directValue = ResolveReportField(
+            denuncia,
+            denuncia.Notificacion_Preferencia,
+            "preferencia de notificacion",
+            "seleccione su preferencia de notificacion y seguimiento de su denuncia",
+            "preferencia de notificacion y seguimiento de su denuncia",
+            "notificaciones");
+        if (!string.IsNullOrWhiteSpace(directValue))
+        {
+            return directValue;
+        }
+
+        directValue = ResolveReportFieldAllowingLabelValues(
+            denuncia,
+            string.Empty,
+            "preferencia de notificacion",
+            "seleccione su preferencia de notificacion y seguimiento de su denuncia",
+            "preferencia de notificacion y seguimiento de su denuncia");
+        if (!string.IsNullOrWhiteSpace(directValue))
+        {
+            return directValue;
+        }
+
+        var electronic = ResolveReportField(
+            denuncia,
+            denuncia.Notificacion_Electronica,
+            "notificaciones electronicas",
+            "notificacion electronica");
+        if (!string.IsNullOrWhiteSpace(electronic) ||
+            ReportContainsLabel(denuncia.TextoOriginalReport, "notificaciones electronicas"))
+        {
+            return "Notificaciones electronicas";
+        }
+
+        var postal = ResolveReportField(
+            denuncia,
+            denuncia.NotificacionPostal,
+            "autorizo recibir notificaciones via correo postal",
+            "notificaciones via correo postal",
+            "correo postal");
+        return string.IsNullOrWhiteSpace(postal) ? string.Empty : "Correo postal";
+    }
+
+    private static string ResolveSmsNotification(DenunciasGestiona denuncia)
+    {
+        return ResolveReportField(
+            denuncia,
+            denuncia.Notificacion_Sms,
+            "autorizo recibir notificaciones via sms",
+            "autorizacion notificaciones via sms",
+            "autorizacion para recibir notificaciones via sms",
+            "autoriza notificaciones via sms",
+            "autorizo recibir notificaciones sms",
+            "notificaciones via sms",
+            "sms");
+    }
+
     private static string ResolveAmbitoCompetencias(DenunciasGestiona denuncia)
     {
         var directValue = ResolveReportField(
             denuncia,
-            denuncia.Modalidad_Informacion,
+            FirstNonEmpty(denuncia.Modalidad_Informacion, denuncia.Asunto),
+            "asunto",
+            "categoria",
+            "tipo de denuncia",
             "ambito de competencias",
             "ambito competencial",
             "ambito",
@@ -388,7 +604,39 @@ public sealed class DenunciasController : ControllerBase
             }
         }
 
-        return string.Empty;
+        return ExtractReportTextValue(denuncia.TextoOriginalReport, labels);
+    }
+
+    private static string ResolveReportFieldAllowingLabelValues(
+        DenunciasGestiona denuncia,
+        string? currentValue,
+        params string[] candidateLabels)
+    {
+        if (!string.IsNullOrWhiteSpace(currentValue))
+        {
+            return currentValue.Trim();
+        }
+
+        var labels = candidateLabels
+            .Select(NormalizeLabel)
+            .Where(label => !string.IsNullOrWhiteSpace(label))
+            .ToHashSet(StringComparer.Ordinal);
+
+        if (labels.Count == 0)
+        {
+            return string.Empty;
+        }
+
+        foreach (var field in denuncia.GetCamposFormulario())
+        {
+            if (!string.IsNullOrWhiteSpace(field.Value) &&
+                labels.Contains(NormalizeLabel(field.Label)))
+            {
+                return field.Value.Trim();
+            }
+        }
+
+        return ExtractReportTextValue(denuncia.TextoOriginalReport, labels, stopAtLikelyLabels: false);
     }
 
     private static string FindReportFieldValue(
@@ -407,6 +655,176 @@ public sealed class DenunciasController : ControllerBase
         return string.Empty;
     }
 
+    private static string ExtractDateAfterReportLabel(string? reportText, Func<string, bool> labelPredicate)
+    {
+        if (string.IsNullOrWhiteSpace(reportText))
+        {
+            return string.Empty;
+        }
+
+        var lines = reportText
+            .Replace("\r\n", "\n", StringComparison.Ordinal)
+            .Replace('\r', '\n')
+            .Split('\n')
+            .Select(line => line.Trim())
+            .ToArray();
+
+        for (var index = 0; index < lines.Length; index++)
+        {
+            var normalized = NormalizeLabel(lines[index]);
+            if (!labelPredicate(normalized))
+            {
+                continue;
+            }
+
+            for (var valueIndex = index + 1; valueIndex < lines.Length && valueIndex <= index + 12; valueIndex++)
+            {
+                var candidate = lines[valueIndex].Trim();
+                if (string.IsNullOrWhiteSpace(candidate) || IsReportStructuralLine(candidate))
+                {
+                    continue;
+                }
+
+                var dateMatch = Regex.Match(
+                    candidate,
+                    @"\b\d{1,2}/\d{1,2}/\d{4}\b",
+                    RegexOptions.CultureInvariant);
+                if (dateMatch.Success)
+                {
+                    return dateMatch.Value;
+                }
+
+                if (IsLikelyReportLabel(candidate))
+                {
+                    break;
+                }
+            }
+        }
+
+        var rawMatch = Regex.Match(
+            reportText,
+            @"fecha\s+de\s+los\s+hechos[\s\S]{0,600}?(\b\d{1,2}/\d{1,2}/\d{4}\b)",
+            RegexOptions.IgnoreCase | RegexOptions.CultureInvariant);
+        return rawMatch.Success ? rawMatch.Groups[1].Value : string.Empty;
+    }
+
+    private static string ExtractReportTextValue(string? reportText, IReadOnlySet<string> normalizedLabels)
+        => ExtractReportTextValue(
+            reportText,
+            normalizedLabel => normalizedLabels.Contains(normalizedLabel));
+
+    private static string ExtractReportTextValue(
+        string? reportText,
+        IReadOnlySet<string> normalizedLabels,
+        bool stopAtLikelyLabels)
+        => ExtractReportTextValue(
+            reportText,
+            normalizedLabel => normalizedLabels.Contains(normalizedLabel),
+            stopAtLikelyLabels);
+
+    private static string ExtractReportTextValue(string? reportText, Func<string, bool> labelPredicate)
+        => ExtractReportTextValue(reportText, labelPredicate, stopAtLikelyLabels: true);
+
+    private static string ExtractReportTextValue(
+        string? reportText,
+        Func<string, bool> labelPredicate,
+        bool stopAtLikelyLabels)
+    {
+        if (string.IsNullOrWhiteSpace(reportText))
+        {
+            return string.Empty;
+        }
+
+        var lines = reportText
+            .Replace("\r\n", "\n", StringComparison.Ordinal)
+            .Replace('\r', '\n')
+            .Split('\n')
+            .Select(line => line.Trim())
+            .ToArray();
+
+        for (var index = 0; index < lines.Length; index++)
+        {
+            if (!labelPredicate(NormalizeLabel(lines[index])))
+            {
+                continue;
+            }
+
+            for (var valueIndex = index + 1; valueIndex < lines.Length; valueIndex++)
+            {
+                var candidate = lines[valueIndex].Trim();
+                if (string.IsNullOrWhiteSpace(candidate) || IsReportStructuralLine(candidate))
+                {
+                    continue;
+                }
+
+                if (stopAtLikelyLabels && IsLikelyReportLabel(candidate))
+                {
+                    break;
+                }
+
+                return candidate;
+            }
+        }
+
+        return string.Empty;
+    }
+
+    private static bool ReportContainsLabel(string? reportText, string label)
+    {
+        if (string.IsNullOrWhiteSpace(reportText))
+        {
+            return false;
+        }
+
+        var normalizedLabel = NormalizeLabel(label);
+        return reportText
+            .Replace("\r\n", "\n", StringComparison.Ordinal)
+            .Replace('\r', '\n')
+            .Split('\n')
+            .Any(line => string.Equals(NormalizeLabel(line.Trim()), normalizedLabel, StringComparison.Ordinal));
+    }
+
+    private static bool IsReportStructuralLine(string value)
+    {
+        if (Regex.IsMatch(value, @"^\d+/\d+$", RegexOptions.CultureInvariant))
+        {
+            return true;
+        }
+
+        return value.StartsWith("REPORT ", StringComparison.OrdinalIgnoreCase) ||
+               value.Equals("[CONFIDENTIAL]", StringComparison.OrdinalIgnoreCase) ||
+               value.Equals("{Messages}", StringComparison.OrdinalIgnoreCase) ||
+               value.StartsWith("Comments", StringComparison.OrdinalIgnoreCase) ||
+               value.StartsWith("De:", StringComparison.OrdinalIgnoreCase) ||
+               value.StartsWith("Fecha:", StringComparison.OrdinalIgnoreCase);
+    }
+
+    private static bool IsLikelyReportLabel(string value)
+    {
+        var normalized = NormalizeLabel(value);
+        if (string.IsNullOrWhiteSpace(normalized))
+        {
+            return false;
+        }
+
+        return normalized is "descripcion"
+                   or "datos del denunciante"
+                   or "condiciones y reglas de uso"
+                   or "tratamiento de datos personales"
+                   or "preferencias de notificacion"
+                   or "notificaciones electronicas" ||
+               normalized.StartsWith("indique ", StringComparison.Ordinal) ||
+               normalized.StartsWith("describa ", StringComparison.Ordinal) ||
+               normalized.StartsWith("autoriza ", StringComparison.Ordinal) ||
+               normalized.StartsWith("autorizacion ", StringComparison.Ordinal) ||
+               normalized.StartsWith("ha denunciado ", StringComparison.Ordinal) ||
+               normalized.StartsWith("solicita ", StringComparison.Ordinal) ||
+               normalized.StartsWith("por favor ", StringComparison.Ordinal) ||
+               normalized.Contains(" denuncia", StringComparison.Ordinal) ||
+               normalized.Contains(" hechos", StringComparison.Ordinal) ||
+               normalized.Contains(" notificacion", StringComparison.Ordinal);
+    }
+
     private static string JoinDistinct(params string[] values)
     {
         var result = new List<string>();
@@ -435,7 +853,7 @@ public sealed class DenunciasController : ControllerBase
 
         return string.Empty;
     }
-
+    //pruabass
     private static string NormalizeLabel(string? value)
     {
         if (string.IsNullOrWhiteSpace(value))

Antifraude.Net/ApiDenuncias/Controllers/GestionaController.cs

@@ -194,7 +194,8 @@ public sealed class GestionaController : ControllerBase
                 request.DocumentUrl,
                 request.AssignedGroupCode,
                 request.ComplaintId,
-                request.IsUpdate);
+                request.IsUpdate,
+                request.UpdateSource);
 
             return Ok(new { ok = true });
         }

Antifraude.Net/ApiDenuncias/Controllers/InboxController.cs

@@ -20,6 +20,7 @@ public sealed class InboxController : ControllerBase
     private readonly GlobalLeaksSessionStore _sessionStore;
     private readonly PendingGlobalLeaksLoginStore _pendingLoginStore;
     private readonly GlobalLeaksClient _globalLeaksClient;
+    private readonly GlobalLeaksSessionKeepAliveService _sessionKeepAliveService;
     private readonly DenunciaInboxService _inboxService;
     private readonly IInboxTrackingService _trackingService;
     private readonly ILogger<InboxController> _logger;
@@ -28,6 +29,7 @@ public sealed class InboxController : ControllerBase
         GlobalLeaksSessionStore sessionStore,
         PendingGlobalLeaksLoginStore pendingLoginStore,
         GlobalLeaksClient globalLeaksClient,
+        GlobalLeaksSessionKeepAliveService sessionKeepAliveService,
         DenunciaInboxService inboxService,
         IInboxTrackingService trackingService,
         ILogger<InboxController> logger)
@@ -35,6 +37,7 @@ public sealed class InboxController : ControllerBase
         _sessionStore = sessionStore;
         _pendingLoginStore = pendingLoginStore;
         _globalLeaksClient = globalLeaksClient;
+        _sessionKeepAliveService = sessionKeepAliveService;
         _inboxService = inboxService;
         _trackingService = trackingService;
         _logger = logger;
@@ -131,7 +134,14 @@ public sealed class InboxController : ControllerBase
                     cancellationToken);
             }
 
-            await _sessionStore.UpdateSessionAsync(username, session.Id, session.Role, cancellationToken);
+            await _sessionStore.UpdateSessionAsync(
+                username,
+                session.Id,
+                session.Role,
+                session.DpopPrivateKey,
+                session.ProofOfWorkToken,
+                session.SessionExpiresAtUtc,
+                cancellationToken);
             var stored = await _sessionStore.GetAsync(username, cancellationToken);
             return Ok(ToDto(stored));
         }
@@ -152,6 +162,45 @@ public sealed class InboxController : ControllerBase
         }
     }
 
+    [HttpPost("session/keepalive")]
+    public async Task<ActionResult<ApiGlobalLeaksSessionDto?>> KeepSessionAlive(
+        CancellationToken cancellationToken)
+    {
+        var username = GetUsername();
+
+        try
+        {
+            var session = await _sessionKeepAliveService.KeepAliveAsync(username, cancellationToken);
+            return Ok(ToDto(session));
+        }
+        catch (GlobalLeaksSessionExpiredException)
+        {
+            var session = await _sessionStore.GetAsync(username, cancellationToken);
+            return Ok(ToDto(session));
+        }
+        catch (GlobalLeaksValidationException ex)
+        {
+            _logger.LogWarning(
+                "No se ha podido mantener activa la sesion GlobalLeaks de {Username}. Status={StatusCode}. Mensaje={Message}",
+                username,
+                ex.StatusCode,
+                ex.Message);
+
+            return StatusCode(
+                ex.StatusCode is >= 500 and <= 504
+                    ? StatusCodes.Status503ServiceUnavailable
+                    : StatusCodes.Status502BadGateway,
+                new ApiError("No se ha podido renovar temporalmente la sesion de GlobalLeaks."));
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Error renovando la sesion GlobalLeaks de {Username}.", username);
+            return StatusCode(
+                StatusCodes.Status503ServiceUnavailable,
+                new ApiError("No se ha podido renovar temporalmente la sesion de GlobalLeaks."));
+        }
+    }
+
     [HttpPost("session/clear")]
     public async Task<IActionResult> ClearSession(CancellationToken cancellationToken)
     {
@@ -173,13 +222,21 @@ public sealed class InboxController : ControllerBase
         {
             var state = await _trackingService.GetUserStateAsync(username, cancellationToken);
             var contexts = await _globalLeaksClient.GetContextsAsync(session.SessionId!, cancellationToken);
-            var reports = await _globalLeaksClient.GetReportsAsync(session.SessionId!, "all", null, null, cancellationToken, contexts);
+            var reports = await _globalLeaksClient.GetReportsAsync(
+                session.SessionId!,
+                "all",
+                null,
+                null,
+                cancellationToken,
+                contexts,
+                session.DpopPrivateKey);
             var enrichedReports = await _trackingService.RegisterSnapshotAsync(username, reports, cancellationToken);
             var activityReports = await _globalLeaksClient.EnrichReportsWithActivityAsync(
                 session.SessionId!,
                 enrichedReports,
                 state.LastDownloadedReportMomentUtc,
-                cancellationToken);
+                cancellationToken,
+                session.DpopPrivateKey);
 
             return Ok(new InboxSnapshotResponse(contexts, activityReports, state));
         }
@@ -214,13 +271,15 @@ public sealed class InboxController : ControllerBase
             return Unauthorized(new ApiError("La sesion de GlobalLeaks ha caducado. Renueva el 2FA.", SessionExpired: true));
         }
 
-        var report = string.IsNullOrWhiteSpace(request.Report.Id)
-            ? request.Report with { Id = reportId }
-            : request.Report;
+        var report = request.Report with { Id = reportId };
 
         try
         {
-            await _trackingService.EnsureReportCanBeImportedByUserAsync(username, report, cancellationToken);
+            await _trackingService.EnsureReportCanBeImportedByUserAsync(
+                username,
+                report,
+                request.ConfirmDifferentOwner,
+                cancellationToken);
 
             ReportDetailDto? reportDetail = null;
             try
@@ -229,7 +288,8 @@ public sealed class InboxController : ControllerBase
                     session.SessionId!,
                     report.Id,
                     report.LastAccess,
-                    cancellationToken);
+                    cancellationToken,
+                    session.DpopPrivateKey);
             }
             catch (GlobalLeaksValidationException ex) when (ex.StatusCode == StatusCodes.Status422UnprocessableEntity ||
                                                             ex.StatusCode is >= 500 and <= 504)
@@ -240,19 +300,28 @@ public sealed class InboxController : ControllerBase
                     report.Id);
             }
 
-            var reportPackage = await DownloadReportPackageWithRetryAsync(session.SessionId!, report, cancellationToken);
+            var reportPackage = await DownloadReportPackageWithRetryAsync(session, report, cancellationToken);
 
             FileDownloadResult? json = null;
             try
             {
-                json = await _globalLeaksClient.ExportReportJsonAsync(session.SessionId!, report.Id, cancellationToken);
+                json = await _globalLeaksClient.ExportReportJsonAsync(
+                    session.SessionId!,
+                    report.Id,
+                    cancellationToken,
+                    session.DpopPrivateKey);
             }
             catch (GlobalLeaksValidationException ex) when (ex.StatusCode == 422)
             {
                 json = null;
             }
 
-            var result = await _inboxService.ImportFromGlobalLeaksAsync(reportPackage, json, reportDetail, cancellationToken);
+            var result = await _inboxService.ImportFromGlobalLeaksAsync(
+                reportPackage,
+                json,
+                reportDetail,
+                report,
+                cancellationToken);
             if (result.ImportedCount > 0)
             {
                 await _trackingService.MarkReportImportedAsync(
@@ -273,6 +342,10 @@ public sealed class InboxController : ControllerBase
         {
             return ToGlobalLeaksApiError(ex, "importar la denuncia");
         }
+        catch (ReportOwnershipException ex)
+        {
+            return Conflict(new ApiError(ex.Message));
+        }
         catch (Exception ex)
         {
             _logger.LogError(ex, "No se ha podido importar la denuncia {ReportId} para {Username}.", reportId, username);
@@ -297,7 +370,12 @@ public sealed class InboxController : ControllerBase
 
         try
         {
-            return Ok(await _globalLeaksClient.GetReportDetailAsync(session.SessionId!, reportId, lastAccess, cancellationToken));
+            return Ok(await _globalLeaksClient.GetReportDetailAsync(
+                session.SessionId!,
+                reportId,
+                lastAccess,
+                cancellationToken,
+                session.DpopPrivateKey));
         }
         catch (GlobalLeaksSessionExpiredException)
         {
@@ -318,7 +396,7 @@ public sealed class InboxController : ControllerBase
     }
 
     private async Task<FileDownloadResult> DownloadReportPackageWithRetryAsync(
-        string sessionId,
+        GlobalLeaksStoredSession session,
         ReportDto report,
         CancellationToken cancellationToken)
     {
@@ -326,7 +404,11 @@ public sealed class InboxController : ControllerBase
         {
             try
             {
-                return await _globalLeaksClient.DownloadReportPackageAsync(sessionId, report.Id, cancellationToken);
+                return await _globalLeaksClient.DownloadReportPackageAsync(
+                    session.SessionId!,
+                    report.Id,
+                    cancellationToken,
+                    session.DpopPrivateKey);
             }
             catch (GlobalLeaksValidationException ex) when (IsExportNotReady(ex) && attempt < ExportRetryDelays.Length)
             {
@@ -353,13 +435,51 @@ public sealed class InboxController : ControllerBase
     private static bool IsExportNotReady(GlobalLeaksValidationException ex)
         => ex.StatusCode is >= 500 and <= 504;
 
-    private static ActionResult ToGlobalLeaksApiError(GlobalLeaksValidationException ex, string operation)
+    private ActionResult ToGlobalLeaksApiError(GlobalLeaksValidationException ex, string operation)
     {
         if (ex.StatusCode == StatusCodes.Status401Unauthorized ||
             ex.StatusCode == StatusCodes.Status403Forbidden)
         {
+            _logger.LogWarning(
+                "GlobalLeaks rechazo la operacion '{Operation}'. Status={StatusCode}. Mensaje={Message}",
+                operation,
+                ex.StatusCode,
+                ex.Message);
+
+            if (IsSessionAuthorizationProblem(ex.Message))
+            {
+                return new ObjectResult(new ApiError(
+                    "La sesion de GlobalLeaks no es valida o ha caducado. Renueva el 2FA y vuelve a intentarlo.",
+                    SessionExpired: true))
+                {
+                    StatusCode = StatusCodes.Status401Unauthorized
+                };
+            }
+
+            if (IsDpopValidationProblem(ex.Message))
+            {
+                return new ObjectResult(new ApiError(
+                    "GlobalLeaks no ha podido validar la proteccion de la sesion (DPoP). La sesion no se ha marcado como caducada. Vuelve a intentarlo y, si se repite, avisa al equipo tecnico."))
+                {
+                    StatusCode = StatusCodes.Status502BadGateway
+                };
+            }
+
+            if (IsMissingAuthenticationHeadersProblem(ex.Message))
+            {
+                return new ObjectResult(new ApiError(
+                    "No se ha podido completar la autenticacion de la llamada a GlobalLeaks. La sesion no se ha marcado como caducada. Vuelve a intentarlo y, si se repite, avisa al equipo tecnico."))
+                {
+                    StatusCode = StatusCodes.Status502BadGateway
+                };
+            }
+
+            var permissionMessage = operation.Contains("bandeja", StringComparison.OrdinalIgnoreCase)
+                ? "GlobalLeaks no ha autorizado la carga de la bandeja para este usuario. La sesion sigue activa; comprueba los permisos del usuario en el buzon."
+                : "No tienes permiso en GlobalLeaks para acceder a esa denuncia. Puede ser una denuncia anterior a la creacion de tu usuario; consulta con el administrador del buzon.";
+
             return new ObjectResult(new ApiError(
-                "No tienes permiso en GlobalLeaks para acceder a esa denuncia. Puede ser una denuncia anterior a la creacion de tu usuario; consulta con el administrador del buzon."))
+                permissionMessage))
             {
                 StatusCode = StatusCodes.Status403Forbidden
             };
@@ -380,6 +500,22 @@ public sealed class InboxController : ControllerBase
         };
     }
 
+    private static bool IsSessionAuthorizationProblem(string? message)
+        => !string.IsNullOrWhiteSpace(message) &&
+           (message.Contains("NotAuthenticated", StringComparison.OrdinalIgnoreCase) ||
+            message.Contains("Invalid token", StringComparison.OrdinalIgnoreCase) ||
+            message.Contains("Invalid session", StringComparison.OrdinalIgnoreCase) ||
+            message.Contains("session", StringComparison.OrdinalIgnoreCase) && message.Contains("expired", StringComparison.OrdinalIgnoreCase) ||
+            message.Contains("token", StringComparison.OrdinalIgnoreCase) && message.Contains("expired", StringComparison.OrdinalIgnoreCase));
+
+    private static bool IsDpopValidationProblem(string? message)
+        => !string.IsNullOrWhiteSpace(message) &&
+           message.Contains("Invalid DPoP proof", StringComparison.OrdinalIgnoreCase);
+
+    private static bool IsMissingAuthenticationHeadersProblem(string? message)
+        => !string.IsNullOrWhiteSpace(message) &&
+           message.Contains("No token and no session", StringComparison.OrdinalIgnoreCase);
+
     private async Task<GlobalLeaksStoredSession?> RequireActiveSessionAsync(string username, CancellationToken cancellationToken)
     {
         var session = await _sessionStore.GetAsync(username, cancellationToken);

Antifraude.Net/ApiDenuncias/Controllers/TrackingController.cs

@@ -52,8 +52,19 @@ public sealed class TrackingController : ControllerBase
         TrackingImportPermissionRequest request,
         CancellationToken cancellationToken)
     {
-        await _trackingService.EnsureReportCanBeImportedByUserAsync(GetUsername(), request.Report, cancellationToken);
-        return Ok(new { ok = true });
+        try
+        {
+            await _trackingService.EnsureReportCanBeImportedByUserAsync(
+                GetUsername(),
+                request.Report,
+                request.ConfirmDifferentOwner,
+                cancellationToken);
+            return Ok(new { ok = true });
+        }
+        catch (ReportOwnershipException ex)
+        {
+            return Conflict(new ApiError(ex.Message));
+        }
     }
 
     private string GetUsername()

Antifraude.Net/ApiDenuncias/Helpers/GlobalLeaksJsonEnricher.cs

@@ -121,12 +121,23 @@ public static class GlobalLeaksJsonEnricher
             }
         }
 
-        if (element.TryGetProperty("children", out var children) &&
-            children.ValueKind == JsonValueKind.Array)
+        foreach (var property in element.EnumerateObject())
         {
-            foreach (var child in children.EnumerateArray())
+            if (property.NameEquals("options"))
             {
-                CollectDefinitions(child, definitions);
+                continue;
+            }
+
+            if (property.Value.ValueKind == JsonValueKind.Object)
+            {
+                CollectDefinitions(property.Value, definitions);
+            }
+            else if (property.Value.ValueKind == JsonValueKind.Array)
+            {
+                foreach (var child in property.Value.EnumerateArray())
+                {
+                    CollectDefinitions(child, definitions);
+                }
             }
         }
     }
@@ -163,42 +174,57 @@ public static class GlobalLeaksJsonEnricher
 
     private static string ResolveAnswer(JsonElement answerArray, FieldDefinition definition)
     {
+        if (answerArray.ValueKind == JsonValueKind.Object)
+        {
+            return ResolveAnswerObject(answerArray, definition);
+        }
+
         if (answerArray.ValueKind != JsonValueKind.Array)
         {
-            return string.Empty;
+            return ResolveValue(answerArray, definition.Options);
         }
 
         var values = new List<string>();
 
         foreach (var answer in answerArray.EnumerateArray())
         {
-            if (answer.ValueKind != JsonValueKind.Object)
+            var resolved = answer.ValueKind == JsonValueKind.Object
+                ? ResolveAnswerObject(answer, definition)
+                : ResolveValue(answer, definition.Options);
+            if (!string.IsNullOrWhiteSpace(resolved))
+            {
+                values.Add(resolved);
+            }
+        }
+
+        return string.Join("; ", values.Distinct(StringComparer.OrdinalIgnoreCase));
+    }
+
+    private static string ResolveAnswerObject(JsonElement answer, FieldDefinition definition)
+    {
+        var values = new List<string>();
+
+        if (answer.TryGetProperty("value", out var valueElement))
+        {
+            var resolvedValue = ResolveValue(valueElement, definition.Options);
+            if (!string.IsNullOrWhiteSpace(resolvedValue))
+            {
+                values.Add(resolvedValue);
+            }
+        }
+
+        foreach (var property in answer.EnumerateObject())
+        {
+            if (property.NameEquals("value") || property.NameEquals("index") || property.NameEquals("required_status"))
             {
                 continue;
             }
 
-            if (answer.TryGetProperty("value", out var valueElement))
+            if (property.Value.ValueKind is JsonValueKind.True or JsonValueKind.False &&
+                property.Value.GetBoolean() &&
+                definition.Options.TryGetValue(property.Name, out var label))
             {
-                var resolvedValue = ResolveValue(valueElement, definition.Options);
-                if (!string.IsNullOrWhiteSpace(resolvedValue))
-                {
-                    values.Add(resolvedValue);
-                }
-            }
-
-            foreach (var property in answer.EnumerateObject())
-            {
-                if (property.NameEquals("value") || property.NameEquals("index") || property.NameEquals("required_status"))
-                {
-                    continue;
-                }
-
-                if (property.Value.ValueKind is JsonValueKind.True or JsonValueKind.False &&
-                    property.Value.GetBoolean() &&
-                    definition.Options.TryGetValue(property.Name, out var label))
-                {
-                    values.Add(label);
-                }
+                values.Add(label);
             }
         }
 
@@ -213,10 +239,95 @@ public static class GlobalLeaksJsonEnricher
             JsonValueKind.True => "Sí",
             JsonValueKind.False => "No",
             JsonValueKind.Number => valueElement.GetRawText(),
+            JsonValueKind.Array => ResolveArrayValue(valueElement, options),
+            JsonValueKind.Object => ResolveObjectValue(valueElement, options),
             _ => string.Empty,
         };
     }
 
+    private static string ResolveArrayValue(JsonElement valueElement, Dictionary<string, string> options)
+    {
+        var values = valueElement
+            .EnumerateArray()
+            .Select(item => ResolveValue(item, options))
+            .Where(value => !string.IsNullOrWhiteSpace(value))
+            .Distinct(StringComparer.OrdinalIgnoreCase);
+
+        return string.Join("; ", values);
+    }
+
+    private static string ResolveObjectValue(JsonElement valueElement, Dictionary<string, string> options)
+    {
+        foreach (var propertyName in new[] { "label", "text", "value", "answer", "date", "formatted", "name" })
+        {
+            if (!valueElement.TryGetProperty(propertyName, out var propertyValue))
+            {
+                continue;
+            }
+
+            var resolved = ResolveValue(propertyValue, options);
+            if (!string.IsNullOrWhiteSpace(resolved))
+            {
+                return resolved;
+            }
+        }
+
+        if (TryReadDateParts(valueElement, out var dateText))
+        {
+            return dateText;
+        }
+
+        var values = new List<string>();
+        foreach (var property in valueElement.EnumerateObject())
+        {
+            if (property.Value.ValueKind is JsonValueKind.True or JsonValueKind.False &&
+                property.Value.GetBoolean() &&
+                options.TryGetValue(property.Name, out var label))
+            {
+                values.Add(label);
+            }
+        }
+
+        return string.Join("; ", values.Distinct(StringComparer.OrdinalIgnoreCase));
+    }
+
+    private static bool TryReadDateParts(JsonElement valueElement, out string dateText)
+    {
+        dateText = string.Empty;
+        if (!TryGetIntProperty(valueElement, "day", out var day) ||
+            !TryGetIntProperty(valueElement, "month", out var month) ||
+            !TryGetIntProperty(valueElement, "year", out var year))
+        {
+            return false;
+        }
+
+        try
+        {
+            dateText = new DateTime(year, month, day).ToString("dd/MM/yyyy", CultureInfo.InvariantCulture);
+            return true;
+        }
+        catch
+        {
+            return false;
+        }
+    }
+
+    private static bool TryGetIntProperty(JsonElement valueElement, string propertyName, out int value)
+    {
+        value = 0;
+        if (!valueElement.TryGetProperty(propertyName, out var property))
+        {
+            return false;
+        }
+
+        return property.ValueKind switch
+        {
+            JsonValueKind.Number => property.TryGetInt32(out value),
+            JsonValueKind.String => int.TryParse(property.GetString(), CultureInfo.InvariantCulture, out value),
+            _ => false,
+        };
+    }
+
     private static string ResolveStringValue(string? rawValue, Dictionary<string, string> options)
     {
         if (string.IsNullOrWhiteSpace(rawValue))
@@ -259,12 +370,13 @@ public static class GlobalLeaksJsonEnricher
         SetIfMissing(() => denuncia.OrganismoDenunciado, value => denuncia.OrganismoDenunciado = value, answers, "por favor indique el organismo o la institucion donde ha denunciado los hechos");
         SetIfMissing(() => denuncia.SolicitaProteccion, value => denuncia.SolicitaProteccion = value, answers, "solicita medidas concretas de proteccion");
         SetIfMissing(() => denuncia.MedidasProteccionSolicitadas, value => denuncia.MedidasProteccionSolicitadas = value, answers, "describa las medidas de proteccion solicitadas");
-        SetIfMissing(() => denuncia.Lugar_Hechos, value => denuncia.Lugar_Hechos = value, answers, "lugar en la que ocurrieron los hechos que denuncia");
+        SetIfMissing(() => denuncia.Lugar_Hechos, value => denuncia.Lugar_Hechos = value, answers, "lugar en el que ocurrieron los hechos que denuncia", "lugar en la que ocurrieron los hechos que denuncia", "lugar de los hechos");
         SetIfMissing(() => denuncia.AutorizaRemision, value => denuncia.AutorizaRemision = value, answers, "autorizacion para remitir su denuncia");
         SetIfMissing(() => denuncia.PreferenciaRemision, value => denuncia.PreferenciaRemision = value, answers, "en tal caso desea que su denuncia se remita anonimizada sin datos personales");
-        SetIfMissing(() => denuncia.Notificacion_Preferencia, value => denuncia.Notificacion_Preferencia = value, answers, "seleccione su preferencia de notificacion y seguimiento de su denuncia", "notificaciones");
+        SetIfMissing(() => denuncia.Notificacion_Preferencia, value => denuncia.Notificacion_Preferencia = value, answers, "preferencia de notificacion", "seleccione su preferencia de notificacion y seguimiento de su denuncia", "preferencia de notificacion y seguimiento de su denuncia", "notificaciones");
         SetIfMissing(() => denuncia.Notificacion_Electronica, value => denuncia.Notificacion_Electronica = value, answers, "notificaciones electronicas");
-        SetIfMissing(() => denuncia.SeguimientoOnline, value => denuncia.SeguimientoOnline = value, answers, "seguimiento online");
+        SetIfMissing(() => denuncia.SeguimientoOnline, value => denuncia.SeguimientoOnline = value, answers, "seguimiento online", "seguimiento de su denuncia");
+        SetIfMissing(() => denuncia.Notificacion_Sms, value => denuncia.Notificacion_Sms = value, answers, "autorizo recibir notificaciones via sms", "autorizacion notificaciones via sms", "autoriza notificaciones via sms", "notificaciones via sms", "sms");
         SetIfMissing(() => denuncia.NotificacionPostal, value => denuncia.NotificacionPostal = value, answers, "autorizo recibir notificaciones via correo postal");
         SetIfMissing(() => denuncia.Correo_Electronico, value => denuncia.Correo_Electronico = value, answers, "correo electronico", "email");
         SetIfMissing(() => denuncia.Telefono, value => denuncia.Telefono = value, answers, "contacto telefonico", "telefono", "telefono movil");
@@ -282,8 +394,8 @@ public static class GlobalLeaksJsonEnricher
         SetIfMissing(() => denuncia.Pais, value => denuncia.Pais = value, answers, "pais");
 
         if (denuncia.Fecha_Hechos == DateTime.MinValue &&
-            TryGetAnswer(answers, out var fechaHechos, "fecha de los hechos que denuncia") &&
-            DateTime.TryParse(fechaHechos, CultureInfo.CurrentCulture, DateTimeStyles.None, out var parsedDate))
+            TryGetAnswer(answers, out var fechaHechos, "fecha de los hechos que denuncia", "fecha de los hechos") &&
+            TryParseReportDate(fechaHechos, out var parsedDate))
         {
             denuncia.Fecha_Hechos = parsedDate;
         }
@@ -371,6 +483,38 @@ public static class GlobalLeaksJsonEnricher
         return false;
     }
 
+    private static bool TryParseReportDate(string? value, out DateTime parsedDate)
+    {
+        parsedDate = DateTime.MinValue;
+        if (string.IsNullOrWhiteSpace(value))
+        {
+            return false;
+        }
+
+        foreach (var culture in new[]
+                 {
+                     CultureInfo.GetCultureInfo("es-ES"),
+                     CultureInfo.InvariantCulture,
+                     CultureInfo.CurrentCulture
+                 })
+        {
+            if (DateTime.TryParse(value, culture, DateTimeStyles.None, out parsedDate))
+            {
+                return true;
+            }
+        }
+
+        foreach (var format in new[] { "dd/MM/yyyy", "d/M/yyyy", "yyyy-MM-dd" })
+        {
+            if (DateTime.TryParseExact(value, format, CultureInfo.InvariantCulture, DateTimeStyles.None, out parsedDate))
+            {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
     private static string Normalize(string? text)
     {
         if (string.IsNullOrWhiteSpace(text))

Antifraude.Net/ApiDenuncias/Program.cs

@@ -32,6 +32,7 @@ builder.Services.AddSingleton<LoginRateLimiter>();
 builder.Services.AddSingleton<GlobalLeaksSessionStore>();
 builder.Services.AddSingleton<PendingGlobalLeaksLoginStore>();
 builder.Services.AddScoped<GlobalLeaksClient>();
+builder.Services.AddScoped<GlobalLeaksSessionKeepAliveService>();
 builder.Services.AddSingleton<MySqlConnectionStringProvider>();
 builder.Services.AddScoped<MySqlDenunciaStore>();
 builder.Services.AddSingleton<IEncryptionKeyProvider, KeyVaultEncryptionKeyProvider>();
@@ -44,6 +45,7 @@ builder.Services.AddScoped<DenunciaInboxService>();
 builder.Services.AddScoped<GestionaDocumentWorkflowService>();
 builder.Services.AddScoped<GestionaExpedienteExceptionStore>();
 builder.Services.AddScoped<UserComplaintAccessService>();
+builder.Services.AddScoped<WorkGroupAdministrationService>();
 builder.Services.AddHttpClient<ManualPurgeService>();
 builder.Services.AddScoped<AppConfigurationService>();
 

Antifraude.Net/ApiDenuncias/Scripts/gestiondenuncias_schema.sql

@@ -66,6 +66,7 @@ CREATE TABLE IF NOT EXISTS complaints (
     gestiona_uploaded_at_utc DATETIME(6) NULL,
     gestiona_last_upload_type TEXT NOT NULL,
     gestiona_assigned_group TEXT NOT NULL,
+    pending_update_source VARCHAR(256) NOT NULL DEFAULT '',
     is_in_gestiona TINYINT(1) NOT NULL DEFAULT 0,
     is_rejected TINYINT(1) NOT NULL DEFAULT 0,
     created_at_utc DATETIME(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6),
@@ -87,6 +88,58 @@ CREATE TABLE IF NOT EXISTS app_users (
     UNIQUE KEY uq_app_users_username (username)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;
 
+CREATE TABLE IF NOT EXISTS work_groups (
+    id BIGINT NOT NULL AUTO_INCREMENT,
+    code VARCHAR(32) NOT NULL,
+    name VARCHAR(256) NOT NULL,
+    is_active TINYINT(1) NOT NULL DEFAULT 1,
+    created_at_utc DATETIME(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6),
+    updated_at_utc DATETIME(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6),
+    PRIMARY KEY (id),
+    UNIQUE KEY uq_work_groups_code (code)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;
+
+INSERT INTO work_groups (code, name)
+VALUES
+    ('600', 'Asuntos Juridicos y Proteccion a la Persona Denunciante'),
+    ('510', 'SDI - Investigacion Entradas')
+ON DUPLICATE KEY UPDATE
+    name = VALUES(name),
+    is_active = 1;
+
+CREATE TABLE IF NOT EXISTS app_user_groups (
+    app_user_id BIGINT NOT NULL,
+    work_group_id BIGINT NOT NULL,
+    assigned_at_utc DATETIME(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6),
+    assigned_by_username VARCHAR(256) NOT NULL DEFAULT '',
+    PRIMARY KEY (app_user_id, work_group_id),
+    KEY ix_app_user_groups_group (work_group_id),
+    CONSTRAINT fk_app_user_groups_user
+        FOREIGN KEY (app_user_id) REFERENCES app_users(id)
+        ON DELETE CASCADE,
+    CONSTRAINT fk_app_user_groups_group
+        FOREIGN KEY (work_group_id) REFERENCES work_groups(id)
+        ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;
+
+CREATE TABLE IF NOT EXISTS app_user_group_history (
+    id BIGINT NOT NULL AUTO_INCREMENT,
+    app_user_id BIGINT NOT NULL,
+    work_group_id BIGINT NOT NULL,
+    action VARCHAR(16) NOT NULL,
+    changed_by_username VARCHAR(256) NOT NULL,
+    changed_at_utc DATETIME(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6),
+    PRIMARY KEY (id),
+    KEY ix_app_user_group_history_user (app_user_id),
+    KEY ix_app_user_group_history_group (work_group_id),
+    CONSTRAINT fk_app_user_group_history_user
+        FOREIGN KEY (app_user_id) REFERENCES app_users(id)
+        ON DELETE CASCADE,
+    CONSTRAINT fk_app_user_group_history_group
+        FOREIGN KEY (work_group_id) REFERENCES work_groups(id)
+        ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;
+
 CREATE TABLE IF NOT EXISTS inbox_reports (
     id BIGINT NOT NULL AUTO_INCREMENT,
     global_report_uuid CHAR(36) NOT NULL,
@@ -104,6 +157,7 @@ CREATE TABLE IF NOT EXISTS inbox_reports (
     last_seen_at_utc DATETIME(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6),
     last_downloaded_at_utc DATETIME(6) NULL,
     last_downloaded_by_user_id BIGINT NULL,
+    owner_user_id BIGINT NULL,
     imported_complaint_report_id INT NULL,
     imported_to_store_at_utc DATETIME(6) NULL,
     created_at_utc DATETIME(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6),
@@ -112,8 +166,12 @@ CREATE TABLE IF NOT EXISTS inbox_reports (
     UNIQUE KEY uq_inbox_reports_uuid (global_report_uuid),
     KEY ix_inbox_reports_progressive (progressive_id),
     KEY ix_inbox_reports_downloaded (last_downloaded_at_utc),
+    KEY ix_inbox_reports_owner (owner_user_id),
     CONSTRAINT fk_inbox_reports_last_user
         FOREIGN KEY (last_downloaded_by_user_id) REFERENCES app_users(id)
+        ON DELETE SET NULL,
+    CONSTRAINT fk_inbox_reports_owner_user
+        FOREIGN KEY (owner_user_id) REFERENCES app_users(id)
         ON DELETE SET NULL
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;
 

Antifraude.Net/ApiDenuncias/Services/DenunciaInboxService.cs

@@ -84,6 +84,7 @@ public sealed class DenunciaInboxService
         FileDownloadResult reportDownload,
         FileDownloadResult? jsonDownload,
         ReportDetailDto? reportDetail,
+        ReportDto inboxReport,
         CancellationToken cancellationToken = default)
     {
         await EnsureStorageReadyAsync(cancellationToken);
@@ -102,7 +103,13 @@ public sealed class DenunciaInboxService
 
         try
         {
-            var result = await ProcessGlobalLeaksPackageAsync(reportDownload.Content, sourceName, json, reportDetail, cancellationToken);
+            var result = await ProcessGlobalLeaksPackageAsync(
+                reportDownload.Content,
+                sourceName,
+                json,
+                reportDetail,
+                inboxReport,
+                cancellationToken);
             return new ImportSummary(
                 1,
                 result.ImportedCount,
@@ -164,6 +171,7 @@ public sealed class DenunciaInboxService
         string sourceName,
         string? globalLeaksJson,
         ReportDetailDto? reportDetail,
+        ReportDto inboxReport,
         CancellationToken cancellationToken)
     {
         using var packageStream = new MemoryStream(packageBytes, writable: false);
@@ -214,6 +222,12 @@ public sealed class DenunciaInboxService
                 $"No se ha podido determinar el identificador de la denuncia en {sourceName}.");
         }
 
+        denuncia.PendingUpdateSource = inboxReport.CitizenHasNewActivity
+            ? ComplaintUpdateSources.Citizen
+            : inboxReport.ReceiverHasNewActivity
+                ? ComplaintUpdateSources.Receiver
+                : string.Empty;
+
         if (reportIsPdf)
         {
             reportText = BuildSyntheticReportText(denuncia);
@@ -246,14 +260,17 @@ public sealed class DenunciaInboxService
         var storedComplaint = await _denunciaStore.GetDenunciaByIdAsync(denuncia.Id_Denuncia, cancellationToken);
         if (IsAlreadyUploadedToGestiona(storedComplaint))
         {
-            var storedFiles = await GetFicherosMetadataByDenunciaForImportAsync(denuncia.Id_Denuncia, cancellationToken);
+            var storedFiles = await GetFicherosMetadataByDenunciaForImportAsync(
+                denuncia.Id_Denuncia,
+                cancellationToken);
             if (!HasPendingFilesForGestiona(storedFiles))
             {
                 storedComplaint!.EsActualizacion = false;
                 storedComplaint.EnGestiona = true;
+                storedComplaint.PendingUpdateSource = string.Empty;
                 await _denunciaStore.UpsertDenunciaAsync(storedComplaint, cancellationToken);
 
-                warnings.Add($"La denuncia #{denuncia.Id_Denuncia} ya esta en Gestiona y no tiene documentos nuevos pendientes de subir.");
+                warnings.Add(BuildNoCitizenUpdateWarning(inboxReport));
                 return new ProcessPackageResult(denuncia.Id_Denuncia, 0, warnings);
             }
         }
@@ -379,6 +396,13 @@ public sealed class DenunciaInboxService
         }
     }
 
+    private static string BuildNoCitizenUpdateWarning(ReportDto inboxReport)
+    {
+        return inboxReport.ReceiverHasNewActivity && !inboxReport.CitizenHasNewActivity
+            ? "La actividad detectada procede de la OAAF, pero el report descargado no contiene cambios pendientes de subir a Gestiona."
+            : "La denuncia ya esta en Gestiona y el report no contiene documentos ni comentarios nuevos del ciudadano pendientes de subir.";
+    }
+
     private static bool HasPendingFilesForGestiona(IReadOnlyList<FicherosDenuncias> files)
     {
         var plannedHashes = files
@@ -591,6 +615,7 @@ public sealed class DenunciaInboxService
         target.Pais = source.Pais;
         target.CamposFormularioJson = source.CamposFormularioJson;
         target.TextoOriginalReport = source.TextoOriginalReport;
+        target.PendingUpdateSource = source.PendingUpdateSource;
     }
 
     private static bool IsSupportedAttachmentEntry(ZipArchiveEntry entry)

Antifraude.Net/ApiDenuncias/Services/EncryptedDenunciaStore.cs

@@ -198,6 +198,14 @@ public sealed class EncryptedDenunciaStore : IDenunciaStore, IFilteredDenunciaSt
         return denuncia is null ? null : await UnprotectComplaintAsync(denuncia, [], cancellationToken);
     }
 
+    public async Task<DenunciasGestiona?> GetDenunciaByGestionaFileCodeAsync(
+        string gestionaFileCode,
+        CancellationToken cancellationToken = default)
+    {
+        var denuncia = await _inner.GetDenunciaByGestionaFileCodeAsync(gestionaFileCode, cancellationToken);
+        return denuncia is null ? null : await UnprotectComplaintAsync(denuncia, [], cancellationToken);
+    }
+
     public async Task UpsertDenunciaAsync(DenunciasGestiona denuncia, CancellationToken cancellationToken = default)
     {
         var key = await _envelopeKeyProvider.GetCurrentKeyAsync(cancellationToken);
@@ -272,6 +280,7 @@ public sealed class EncryptedDenunciaStore : IDenunciaStore, IFilteredDenunciaSt
             FechaSubidaAGestiona = source.FechaSubidaAGestiona,
             UltimaSubidaGestionaTipo = source.UltimaSubidaGestionaTipo,
             UltimoGrupoAsignadoGestiona = source.UltimoGrupoAsignadoGestiona,
+            PendingUpdateSource = source.PendingUpdateSource,
             EnGestiona = source.EnGestiona,
             EnRechazada = source.EnRechazada,
 
@@ -353,6 +362,7 @@ public sealed class EncryptedDenunciaStore : IDenunciaStore, IFilteredDenunciaSt
         target.FechaSubidaAGestiona = stored.FechaSubidaAGestiona;
         target.UltimaSubidaGestionaTipo = stored.UltimaSubidaGestionaTipo;
         target.UltimoGrupoAsignadoGestiona = stored.UltimoGrupoAsignadoGestiona;
+        target.PendingUpdateSource = stored.PendingUpdateSource;
         target.EnGestiona = stored.EnGestiona;
         target.EnRechazada = stored.EnRechazada;
     }

Antifraude.Net/ApiDenuncias/Services/GestionaDocumentWorkflowService.cs

@@ -3,6 +3,7 @@ using System.Security.Cryptography;
 using System.Globalization;
 using System.Text;
 using System.Text.Json;
+using GestionaDenuncias.Shared.Models;
 using Microsoft.Extensions.Logging;
 
 namespace ApiDenuncias.Services;
@@ -124,11 +125,20 @@ public sealed class GestionaDocumentWorkflowService
         string documentUrl,
         string assignedGroupCode,
         int? complaintId = null,
-        bool isUpdate = false)
+        bool isUpdate = false,
+        string? updateSource = null)
     {
         var docUrlAbs = EnsureAbsoluteGestionaUrl(documentUrl, GestionaApiBase);
-        var operationLabel = isUpdate ? $"actualizacion grupo {NormalizeGroupCode(assignedGroupCode)}" : "nueva denuncia";
-        var (templateHref, payload) = await ResolveCircuitTemplatePayloadAsync(docUrlAbs, isUpdate, assignedGroupCode);
+        var operationLabel = ComplaintUpdateSources.IsReceiver(updateSource)
+            ? $"comunicacion OAAF grupo {NormalizeGroupCode(assignedGroupCode)}"
+            : isUpdate
+                ? $"actualizacion grupo {NormalizeGroupCode(assignedGroupCode)}"
+                : "nueva denuncia";
+        var (templateHref, payload) = await ResolveCircuitTemplatePayloadAsync(
+            docUrlAbs,
+            isUpdate,
+            assignedGroupCode,
+            updateSource);
         var (success, statusCode, body) = await TryPostCircuitAsync(docUrlAbs, payload);
         if (success)
         {
@@ -155,7 +165,8 @@ public sealed class GestionaDocumentWorkflowService
     private async Task<(string TemplateHref, string Payload)> ResolveCircuitTemplatePayloadAsync(
         string documentUrl,
         bool isUpdate,
-        string? assignedGroupCode)
+        string? assignedGroupCode,
+        string? updateSource)
     {
         var templatesUrl = $"{documentUrl.TrimEnd('/')}/circuit/templates";
         var templates = await GetCircuitTemplatesAsync(templatesUrl);
@@ -164,7 +175,7 @@ public sealed class GestionaDocumentWorkflowService
             throw new InvalidOperationException("Gestiona no ha devuelto plantillas de circuito para el documento.");
         }
 
-        var selection = GetOperationCircuitTemplateSelection(isUpdate, assignedGroupCode);
+        var selection = GetOperationCircuitTemplateSelection(isUpdate, assignedGroupCode, updateSource);
         if (!string.IsNullOrWhiteSpace(selection.TemplateName))
         {
             var resolved = await TryResolveCircuitTemplatePayloadByNameAsync(templates, selection.TemplateName);
@@ -211,7 +222,10 @@ public sealed class GestionaDocumentWorkflowService
             "No se puede seleccionar de forma inequivoca la plantilla de circuito. Configura Gestiona:CircuitTemplateName o Gestiona:CircuitSignerStampTitle.");
     }
 
-    private CircuitTemplateSelection GetOperationCircuitTemplateSelection(bool isUpdate, string? assignedGroupCode)
+    private CircuitTemplateSelection GetOperationCircuitTemplateSelection(
+        bool isUpdate,
+        string? assignedGroupCode,
+        string? updateSource)
     {
         if (!isUpdate)
         {
@@ -221,6 +235,25 @@ public sealed class GestionaDocumentWorkflowService
                 OperationLabel: "nueva denuncia");
         }
 
+        if (ComplaintUpdateSources.IsReceiver(updateSource))
+        {
+            return NormalizeGroupCode(assignedGroupCode) switch
+            {
+                "510" => new CircuitTemplateSelection(
+                    _configuration["Gestiona:CircuitCommunicationSdiTemplateName"],
+                    Required: true,
+                    OperationLabel: "comunicacion SDI a denunciante"),
+
+                "600" => new CircuitTemplateSelection(
+                    _configuration["Gestiona:CircuitCommunicationSajTemplateName"],
+                    Required: true,
+                    OperationLabel: "comunicacion SAJ a denunciante"),
+
+                _ => throw new InvalidOperationException(
+                    "Las comunicaciones de la OAAF solo pueden tramitarse con los grupos 510 o 600.")
+            };
+        }
+
         var defaultUpdateTemplateName = FirstConfigured(
             _configuration["Gestiona:CircuitTemplateName"],
             _configuration["Gestiona:CircuitUpdateTemplateName"]);

Antifraude.Net/ApiDenuncias/Services/GestionaService.cs

@@ -648,9 +648,20 @@ namespace ApiDenuncias.Services
                 "application/vnd.gestiona.filter.thirds+json");
 
             using var resp = await _http.SendAsync(req);
-            resp.EnsureSuccessStatusCode();
             var body = await resp.Content.ReadAsStringAsync();
 
+            if (resp.StatusCode == System.Net.HttpStatusCode.NoContent ||
+                string.IsNullOrWhiteSpace(body))
+            {
+                return default;
+            }
+
+            if (!resp.IsSuccessStatusCode)
+            {
+                throw new InvalidOperationException(
+                    $"Error BuscarTerceroPorNifAsync: {(int)resp.StatusCode} {resp.ReasonPhrase}\n{body}");
+            }
+
             using var doc = JsonDocument.Parse(body);
             if (!doc.RootElement.TryGetProperty("content", out var content) || content.ValueKind != JsonValueKind.Array)
                 return default;
@@ -768,8 +779,13 @@ namespace ApiDenuncias.Services
             if (resp.StatusCode == System.Net.HttpStatusCode.NoContent)
                 return new HashSet<string>(StringComparer.Ordinal);
 
-            resp.EnsureSuccessStatusCode();
             var body = await resp.Content.ReadAsStringAsync();
+            if (!resp.IsSuccessStatusCode)
+                throw new InvalidOperationException(
+                    $"Error ObtenerTercerosEnlazadosAsync: {(int)resp.StatusCode} {resp.ReasonPhrase}\n{body}");
+
+            if (string.IsNullOrWhiteSpace(body))
+                return new HashSet<string>(StringComparer.Ordinal);
 
             using var doc = JsonDocument.Parse(body);
             var set = new HashSet<string>(StringComparer.Ordinal);

Antifraude.Net/ApiDenuncias/Services/GlobalLeaksClient.cs

@@ -16,6 +16,10 @@ namespace ApiDenuncias.Services;
 
 public sealed record PreparedGlobalLeaksCredentials(string Username, string FinalPassword, string TokenAnswer);
 
+public sealed record RefreshedGlobalLeaksSession(
+    GlobalLeaksProofOfWorkToken ProofOfWorkToken,
+    DateTimeOffset? SessionExpiresAtUtc);
+
 public sealed class GlobalLeaksClient
 {
     private static readonly JsonSerializerOptions JsonOptions = new(JsonSerializerDefaults.Web);
@@ -152,7 +156,7 @@ public sealed class GlobalLeaksClient
             if (authResponse.IsSuccessStatusCode)
             {
                 var authBody = await authResponse.Content.ReadAsStringAsync(cancellationToken);
-                var session = ParseAuthSession(authBody, username);
+                var session = ParseAuthSession(authBody, username, ExportDpopPrivateKey(dpopKey));
                 _logger.LogInformation(
                     "Login GlobalLeaks correcto para {Username}. Rol: {Role}. Tiempo total={ElapsedMs} ms",
                     session.Username,
@@ -197,6 +201,30 @@ public sealed class GlobalLeaksClient
         throw new GlobalLeaksValidationException("Login fallido: no se pudo completar la autenticacion.", 502);
     }
 
+    public async Task<RefreshedGlobalLeaksSession> RefreshSessionAsync(
+        string sessionId,
+        string dpopPrivateKey,
+        GlobalLeaksProofOfWorkToken proofOfWorkToken,
+        CancellationToken cancellationToken = default)
+    {
+        const string path = "/api/auth/session";
+        var tokenAnswer = SolveProofOfWork(
+            proofOfWorkToken.Id,
+            proofOfWorkToken.Salt,
+            cancellationToken);
+
+        using var request = CreateAuthenticatedRequest(
+            HttpMethod.Post,
+            path,
+            sessionId,
+            dpopPrivateKey);
+        request.Content = CreateJsonContent(new { token = tokenAnswer });
+
+        using var response = await SendGlRequestAsync(request, cancellationToken);
+        var body = await response.Content.ReadAsStringAsync(cancellationToken);
+        return ParseSessionRefresh(body);
+    }
+
     private async Task<string> PrepareProofOfWorkAsync(string username, CancellationToken cancellationToken)
     {
         using var tokenRequest = CreateRequest(HttpMethod.Post, "/api/auth/token");
@@ -233,12 +261,17 @@ public sealed class GlobalLeaksClient
         string? dateFrom,
         string? dateTo,
         CancellationToken cancellationToken,
-        IReadOnlyList<ContextDto>? contexts = null)
+        IReadOnlyList<ContextDto>? contexts = null,
+        string? dpopPrivateKey = null)
     {
         filter ??= "all";
 
-        using var reportsRequest = CreateAuthenticatedRequest(HttpMethod.Get, "/api/recipient/rtips", sessionId);
-        using var reportsResponse = await SendGlRequestAsync(reportsRequest, cancellationToken);
+        using var reportsResponse = await SendAuthenticatedGlRequestAsync(
+            HttpMethod.Get,
+            "/api/recipient/rtips",
+            sessionId,
+            dpopPrivateKey,
+            cancellationToken);
         var body = await reportsResponse.Content.ReadAsStringAsync(cancellationToken);
         var tips = ParseReports(body);
         _logger.LogInformation("GlobalLeaks /api/recipient/rtips devolvió {Count} denuncias", tips.Count);
@@ -312,7 +345,8 @@ public sealed class GlobalLeaksClient
         string sessionId,
         IReadOnlyList<ReportDto> reports,
         DateTimeOffset? fallbackReference,
-        CancellationToken cancellationToken)
+        CancellationToken cancellationToken,
+        string? dpopPrivateKey = null)
     {
         if (reports.Count == 0)
         {
@@ -337,7 +371,7 @@ public sealed class GlobalLeaksClient
             try
             {
                 var reference = GetActivityReference(item.Report, fallbackReference);
-                var activity = await AnalyzeReportActivityAsync(sessionId, item.Report, reference, cancellationToken);
+                var activity = await AnalyzeReportActivityAsync(sessionId, item.Report, reference, dpopPrivateKey, cancellationToken);
                 enriched[item.Index] = ApplyActivity(item.Report, activity);
             }
             catch (Exception ex) when (ex is GlobalLeaksValidationException or HttpRequestException or TaskCanceledException)
@@ -362,16 +396,17 @@ public sealed class GlobalLeaksClient
         string sessionId,
         string reportId,
         string? lastAccess,
-        CancellationToken cancellationToken)
+        CancellationToken cancellationToken,
+        string? dpopPrivateKey = null)
     {
         ValidateUuid(reportId);
 
         var reference = ParseDate(lastAccess);
-        using var document = await ReadReportDetailDocumentAsync(sessionId, reportId, cancellationToken);
+        using var document = await ReadReportDetailDocumentAsync(sessionId, reportId, dpopPrivateKey, cancellationToken);
         IReadOnlyList<ReportCommentDto>? comments = null;
         try
         {
-            comments = await GetReportCommentsAsync(sessionId, reportId, reference, defaultNewWhenNoReference: true, cancellationToken);
+            comments = await GetReportCommentsAsync(sessionId, reportId, reference, defaultNewWhenNoReference: true, dpopPrivateKey, cancellationToken);
         }
         catch (Exception ex) when (ex is GlobalLeaksValidationException or HttpRequestException or TaskCanceledException)
         {
@@ -387,17 +422,16 @@ public sealed class GlobalLeaksClient
     public async Task<FileDownloadResult> DownloadReportPackageAsync(
         string sessionId,
         string reportId,
-        CancellationToken cancellationToken)
+        CancellationToken cancellationToken,
+        string? dpopPrivateKey = null)
     {
         ValidateUuid(reportId);
 
-        using var request = CreateAuthenticatedRequest(
+        using var response = await SendAuthenticatedGlRequestAsync(
             HttpMethod.Get,
             $"/api/recipient/rtips/{reportId}/export",
-            sessionId);
-
-        using var response = await SendGlRequestAsync(
-            request,
+            sessionId,
+            dpopPrivateKey,
             cancellationToken,
             HttpCompletionOption.ResponseHeadersRead);
 
@@ -417,12 +451,17 @@ public sealed class GlobalLeaksClient
     public async Task<FileDownloadResult> ExportReportJsonAsync(
         string sessionId,
         string reportId,
-        CancellationToken cancellationToken)
+        CancellationToken cancellationToken,
+        string? dpopPrivateKey = null)
     {
         ValidateUuid(reportId);
 
-        using var request = CreateAuthenticatedRequest(HttpMethod.Get, $"/api/recipient/rtips/{reportId}", sessionId);
-        using var response = await SendGlRequestAsync(request, cancellationToken);
+        using var response = await SendAuthenticatedGlRequestAsync(
+            HttpMethod.Get,
+            $"/api/recipient/rtips/{reportId}",
+            sessionId,
+            dpopPrivateKey,
+            cancellationToken);
 
         var contentType = response.Content.Headers.ContentType?.MediaType ?? string.Empty;
         var content = await response.Content.ReadAsByteArrayAsync(cancellationToken);
@@ -444,10 +483,15 @@ public sealed class GlobalLeaksClient
     private async Task<JsonDocument> ReadReportDetailDocumentAsync(
         string sessionId,
         string reportId,
+        string? dpopPrivateKey,
         CancellationToken cancellationToken)
     {
-        using var detailRequest = CreateAuthenticatedRequest(HttpMethod.Get, $"/api/recipient/rtips/{reportId}", sessionId);
-        using var detailResponse = await SendGlRequestAsync(detailRequest, cancellationToken);
+        using var detailResponse = await SendAuthenticatedGlRequestAsync(
+            HttpMethod.Get,
+            $"/api/recipient/rtips/{reportId}",
+            sessionId,
+            dpopPrivateKey,
+            cancellationToken);
 
         var contentType = detailResponse.Content.Headers.ContentType?.MediaType ?? string.Empty;
         var content = await detailResponse.Content.ReadAsByteArrayAsync(cancellationToken);
@@ -466,10 +510,15 @@ public sealed class GlobalLeaksClient
         string reportId,
         DateTimeOffset? reference,
         bool defaultNewWhenNoReference,
+        string? dpopPrivateKey,
         CancellationToken cancellationToken)
     {
-        using var request = CreateAuthenticatedRequest(HttpMethod.Get, $"/api/recipient/rtips/{reportId}/comments", sessionId);
-        using var response = await SendGlRequestAsync(request, cancellationToken);
+        using var response = await SendAuthenticatedGlRequestAsync(
+            HttpMethod.Get,
+            $"/api/recipient/rtips/{reportId}/comments",
+            sessionId,
+            dpopPrivateKey,
+            cancellationToken);
 
         var contentType = response.Content.Headers.ContentType?.MediaType ?? string.Empty;
         var content = await response.Content.ReadAsByteArrayAsync(cancellationToken);
@@ -499,10 +548,11 @@ public sealed class GlobalLeaksClient
         string sessionId,
         ReportDto report,
         DateTimeOffset? reference,
+        string? dpopPrivateKey,
         CancellationToken cancellationToken)
     {
         var reportId = report.Id;
-        using var document = await ReadReportDetailDocumentAsync(sessionId, reportId, cancellationToken);
+        using var document = await ReadReportDetailDocumentAsync(sessionId, reportId, dpopPrivateKey, cancellationToken);
         IReadOnlyList<ReportCommentDto> comments;
         try
         {
@@ -511,6 +561,7 @@ public sealed class GlobalLeaksClient
                 reportId,
                 reference,
                 defaultNewWhenNoReference: false,
+                dpopPrivateKey,
                 cancellationToken);
         }
         catch (Exception ex) when (ex is GlobalLeaksValidationException or HttpRequestException or TaskCanceledException)
@@ -535,6 +586,14 @@ public sealed class GlobalLeaksClient
             reference,
             defaultNewWhenNoReference: false,
             "rfiles");
+        var receivers = ParseReportReceivers(document.RootElement);
+        var receiverNames = BuildReceiverNameLookup(receivers);
+        comments = comments
+            .Select(comment => WithAuthorName(comment, receiverNames))
+            .ToArray();
+        receiverFiles = receiverFiles
+            .Select(file => WithAuthorName(file, receiverNames))
+            .ToArray();
 
         var citizenCommentDates = comments
             .Where(comment => IsWhistleblowerActivityType(comment.Type))
@@ -567,7 +626,24 @@ public sealed class GlobalLeaksClient
             : citizenCommentDates.Concat(citizenFileDates).Append(reportCreationDate.Value);
 
         var citizenLast = MaxDate(citizenActivityDates);
-        var receiverLast = MaxDate(receiverCommentDates.Concat(receiverFileDates).Concat(unclassifiedCommentDates));
+        var receiverEvents = comments
+            .Where(comment =>
+                IsReceiverActivityType(comment.Type) ||
+                IsUnclassifiedActivityType(comment.Type))
+            .Select(comment => new ActivityActorEvent(
+                ParseDate(comment.CreationDate),
+                comment.AuthorId,
+                comment.AuthorName))
+            .Concat(receiverFiles.Select(file => new ActivityActorEvent(
+                ParseDate(file.CreationDate),
+                file.AuthorId,
+                file.AuthorName)))
+            .Where(item => item.Date is not null)
+            .OrderByDescending(item => item.Date)
+            .ToArray();
+        var latestReceiverEvent = receiverEvents.FirstOrDefault();
+        var receiverLast = latestReceiverEvent?.Date ??
+                           MaxDate(receiverCommentDates.Concat(receiverFileDates).Concat(unclassifiedCommentDates));
 
         return new ReportActivitySnapshot(
             citizenLast,
@@ -582,7 +658,9 @@ public sealed class GlobalLeaksClient
             comments.Any(comment =>
                 IsUnclassifiedActivityType(comment.Type) &&
                 comment.IsNew) ||
-            receiverFiles.Any(file => file.IsNew));
+            receiverFiles.Any(file => file.IsNew),
+            latestReceiverEvent?.AuthorId,
+            latestReceiverEvent?.AuthorName);
     }
 
     private static ReportDto ApplyActivity(ReportDto report, ReportActivitySnapshot activity)
@@ -595,7 +673,9 @@ public sealed class GlobalLeaksClient
             CitizenHasNewComment = activity.HasNewCitizenComment,
             CitizenHasNewFile = activity.HasNewCitizenFile,
             ReceiverLastActivity = activity.ReceiverLastActivity?.ToString("O", CultureInfo.InvariantCulture),
-            ReceiverHasNewActivity = activity.HasNewReceiverActivity
+            ReceiverHasNewActivity = activity.HasNewReceiverActivity,
+            ReceiverLastActivityAuthorId = activity.ReceiverLastActivityAuthorId,
+            ReceiverLastActivityAuthorName = activity.ReceiverLastActivityAuthorName
         };
     }
 
@@ -644,13 +724,26 @@ public sealed class GlobalLeaksClient
         var response = await _httpClient.SendAsync(request, completionOption, cancellationToken);
         if ((int)response.StatusCode == 412)
         {
+            _logger.LogWarning(
+                "GlobalLeaks ha indicado sesion expirada (412) en {Method} {Path}.",
+                request.Method.Method,
+                request.RequestUri?.OriginalString);
             response.Dispose();
             throw new GlobalLeaksSessionExpiredException();
         }
 
         if (!response.IsSuccessStatusCode)
         {
-            var message = $"Error de GlobalLeaks (código {(int)response.StatusCode}).";
+            var body = await ReadBodySafeAsync(response, cancellationToken);
+            _logger.LogWarning(
+                "GlobalLeaks devolvio {StatusCode} en {Method} {Path}. Body={Body}",
+                (int)response.StatusCode,
+                request.Method.Method,
+                request.RequestUri?.OriginalString,
+                string.IsNullOrWhiteSpace(body) ? "(sin cuerpo)" : body);
+            var message = string.IsNullOrWhiteSpace(body)
+                ? $"Error de GlobalLeaks (código {(int)response.StatusCode})."
+                : $"Error de GlobalLeaks (código {(int)response.StatusCode}): {body}";
             response.Dispose();
             throw new GlobalLeaksValidationException(message, (int)response.StatusCode);
         }
@@ -658,6 +751,24 @@ public sealed class GlobalLeaksClient
         return response;
     }
 
+    private async Task<HttpResponseMessage> SendAuthenticatedGlRequestAsync(
+        HttpMethod method,
+        string path,
+        string sessionId,
+        string? dpopPrivateKey,
+        CancellationToken cancellationToken,
+        HttpCompletionOption completionOption = HttpCompletionOption.ResponseContentRead)
+    {
+        if (string.IsNullOrWhiteSpace(dpopPrivateKey))
+        {
+            using var requestWithoutDpop = CreateAuthenticatedRequest(method, path, sessionId, dpopPrivateKey: null);
+            return await SendGlRequestAsync(requestWithoutDpop, cancellationToken, completionOption);
+        }
+
+        using var requestWithDpop = CreateAuthenticatedRequest(method, path, sessionId, dpopPrivateKey);
+        return await SendGlRequestAsync(requestWithDpop, cancellationToken, completionOption);
+    }
+
     private static HttpRequestMessage CreateRequest(HttpMethod method, string path)
     {
         var request = new HttpRequestMessage(method, path)
@@ -671,10 +782,26 @@ public sealed class GlobalLeaksClient
         return request;
     }
 
-    private static HttpRequestMessage CreateAuthenticatedRequest(HttpMethod method, string path, string sessionId)
+    private static HttpRequestMessage CreateAuthenticatedRequest(
+        HttpMethod method,
+        string path,
+        string sessionId,
+        string? dpopPrivateKey)
     {
         var request = CreateRequest(method, path);
         request.Headers.Add("X-Session", sessionId);
+        if (!string.IsNullOrWhiteSpace(dpopPrivateKey))
+        {
+            using var key = ImportDpopPrivateKey(dpopPrivateKey);
+            request.Headers.TryAddWithoutValidation(
+                "DPoP",
+                CreateDpopProof(
+                    key,
+                    method.Method.ToUpperInvariant(),
+                    GetDpopPath(path),
+                    ComputeAth(sessionId)));
+        }
+
         return request;
     }
 
@@ -717,7 +844,7 @@ public sealed class GlobalLeaksClient
         return Convert.ToBase64String(hash);
     }
 
-    private static string CreateDpopProof(ECDsa privateKey, string method, string path)
+    private static string CreateDpopProof(ECDsa privateKey, string method, string path, string? ath = null)
     {
         var publicParameters = privateKey.ExportParameters(includePrivateParameters: false);
         var jwk = new Dictionary<string, object?>
@@ -742,6 +869,10 @@ public sealed class GlobalLeaksClient
             ["htu"] = path,
             ["iat"] = DateTimeOffset.UtcNow.ToUnixTimeSeconds(),
         };
+        if (!string.IsNullOrWhiteSpace(ath))
+        {
+            payload["ath"] = ath;
+        }
 
         var encodedHeader = Base64UrlEncode(JsonSerializer.SerializeToUtf8Bytes(header, JsonOptions));
         var encodedPayload = Base64UrlEncode(JsonSerializer.SerializeToUtf8Bytes(payload, JsonOptions));
@@ -754,6 +885,25 @@ public sealed class GlobalLeaksClient
         return $"{signingInput}.{Base64UrlEncode(signature)}";
     }
 
+    private static string ExportDpopPrivateKey(ECDsa key)
+        => Convert.ToBase64String(key.ExportECPrivateKey());
+
+    private static ECDsa ImportDpopPrivateKey(string privateKey)
+    {
+        var key = ECDsa.Create(ECCurve.NamedCurves.nistP256);
+        key.ImportECPrivateKey(Convert.FromBase64String(privateKey), out _);
+        return key;
+    }
+
+    private static string ComputeAth(string sessionId)
+        => Base64UrlEncode(SHA256.HashData(Encoding.UTF8.GetBytes(sessionId)));
+
+    private static string GetDpopPath(string path)
+    {
+        var queryIndex = path.IndexOf('?', StringComparison.Ordinal);
+        return queryIndex < 0 ? path : path[..queryIndex];
+    }
+
     private static string Base64UrlEncode(byte[] bytes)
         => Convert.ToBase64String(bytes)
             .TrimEnd('=')
@@ -800,6 +950,15 @@ public sealed class GlobalLeaksClient
 
     private static DateTimeOffset? GetActivityReference(ReportDto report, DateTimeOffset? fallbackReference)
     {
+        if (report.AlreadyInGestiona)
+        {
+            var lastGestionaUpload = ParseDate(report.LastGestionaUploadAt);
+            if (lastGestionaUpload is not null)
+            {
+                return lastGestionaUpload;
+            }
+        }
+
         return ParseDate(report.LastDownloadedAt) ??
                fallbackReference ??
                ParseDate(report.LastAccess) ??
@@ -950,10 +1109,32 @@ public sealed class GlobalLeaksClient
             .Select(item => CreateReportComment(item, lastAccessDate, defaultNewWhenNoReference: true))
             .ToArray();
 
-        var whistleblowerFiles = ParseReportFiles(root, lastAccessDate, defaultNewWhenNoReference: true, "wbfiles", "files");
-        var receiverFiles = ParseReportFiles(root, lastAccessDate, defaultNewWhenNoReference: true, "rfiles");
+        var receivers = ParseReportReceivers(root);
+        var receiverNames = BuildReceiverNameLookup(receivers);
+        comments = comments
+            .Select(comment => WithAuthorName(comment, receiverNames))
+            .ToArray();
+        var whistleblowerFiles = ParseReportFiles(
+            root,
+            lastAccessDate,
+            defaultNewWhenNoReference: true,
+            "wbfiles",
+            "files");
+        var receiverFiles = ParseReportFiles(
+                root,
+                lastAccessDate,
+                defaultNewWhenNoReference: true,
+                "rfiles")
+            .Select(file => WithAuthorName(file, receiverNames))
+            .ToArray();
 
-        return new ReportDetailDto(reportId, lastAccess, comments, whistleblowerFiles, receiverFiles);
+        return new ReportDetailDto(
+            reportId,
+            lastAccess,
+            comments,
+            whistleblowerFiles,
+            receiverFiles,
+            receivers);
     }
 
     private static ReportCommentDto CreateReportComment(
@@ -962,12 +1143,25 @@ public sealed class GlobalLeaksClient
         bool defaultNewWhenNoReference)
     {
         var creationDate = GetString(item, "creation_date", "creationDate", "date", "created_at", "createdAt");
+        var authorId = GetString(item, "author_id", "authorId");
+        var activityType = GetCommentActivityType(item);
+        if (!string.IsNullOrWhiteSpace(authorId))
+        {
+            activityType = "receiver";
+        }
+        else if (string.IsNullOrWhiteSpace(activityType) ||
+                 IsUnclassifiedActivityType(activityType))
+        {
+            activityType = "whistleblower";
+        }
+
         return new ReportCommentDto(
             GetString(item, "id"),
-            GetCommentActivityType(item),
+            activityType,
             GetString(item, "content", "text", "message"),
             creationDate,
-            IsAfterReference(creationDate, reference, defaultNewWhenNoReference));
+            IsAfterReference(creationDate, reference, defaultNewWhenNoReference),
+            authorId);
     }
 
     private static string? GetCommentActivityType(JsonElement item)
@@ -1103,13 +1297,62 @@ public sealed class GlobalLeaksClient
                     GetString(item, "id"),
                     GetLocalizedString(item, "name", "file_name", "filename"),
                     GetInt64(item, "size"),
-                    GetString(item, "content_type", "contentType", "mime_type", "mimetype"),
+                    GetString(item, "content_type", "contentType", "mime_type", "mimetype", "type"),
                     creationDate,
-                    IsAfterReference(creationDate, reference, defaultNewWhenNoReference));
+                    IsAfterReference(creationDate, reference, defaultNewWhenNoReference),
+                    GetString(item, "author_id", "authorId"));
             })
             .ToArray();
     }
 
+    private static ReportReceiverDto[] ParseReportReceivers(JsonElement root)
+    {
+        return EnumerateArray(root, "receivers", "recipients")
+            .Select(item => new ReportReceiverDto(
+                GetString(item, "id") ?? string.Empty,
+                GetLocalizedString(item, "name", "display_name", "displayName", "username") ?? "Gestor",
+                GetBool(item, "active", "is_active", "isActive")))
+            .Where(receiver => !string.IsNullOrWhiteSpace(receiver.Id))
+            .ToArray();
+    }
+
+    private static IReadOnlyDictionary<string, string> BuildReceiverNameLookup(
+        IEnumerable<ReportReceiverDto> receivers)
+    {
+        return receivers
+            .GroupBy(receiver => receiver.Id, StringComparer.OrdinalIgnoreCase)
+            .ToDictionary(
+                group => group.Key,
+                group => group.First().Name,
+                StringComparer.OrdinalIgnoreCase);
+    }
+
+    private static ReportCommentDto WithAuthorName(
+        ReportCommentDto comment,
+        IReadOnlyDictionary<string, string> receiverNames)
+    {
+        if (string.IsNullOrWhiteSpace(comment.AuthorId) ||
+            !receiverNames.TryGetValue(comment.AuthorId, out var authorName))
+        {
+            return comment;
+        }
+
+        return comment with { AuthorName = authorName };
+    }
+
+    private static ReportFileDto WithAuthorName(
+        ReportFileDto file,
+        IReadOnlyDictionary<string, string> receiverNames)
+    {
+        if (string.IsNullOrWhiteSpace(file.AuthorId) ||
+            !receiverNames.TryGetValue(file.AuthorId, out var authorName))
+        {
+            return file;
+        }
+
+        return file with { AuthorName = authorName };
+    }
+
     private static bool IsAfterReference(
         string? value,
         DateTimeOffset? reference,
@@ -1309,12 +1552,12 @@ public sealed class GlobalLeaksClient
     private static string? ExtractFileName(ContentDispositionHeaderValue? contentDisposition)
         => contentDisposition?.FileNameStar ?? contentDisposition?.FileName?.Trim('"');
 
-    private static GlSession ParseAuthSession(string body, string fallbackUsername)
+    private static GlSession ParseAuthSession(string body, string fallbackUsername, string? dpopPrivateKey)
     {
         using var document = JsonDocument.Parse(body);
         var root = document.RootElement;
 
-        var id = GetString(root, "id")
+        var id = GetString(root, "session_id", "sessionId", "session", "sid", "id")
             ?? throw new GlobalLeaksValidationException("GlobalLeaks no devolvió una sesión válida.", 502);
         var username = GetString(root, "username", "name");
         if (string.IsNullOrWhiteSpace(username))
@@ -1323,8 +1566,84 @@ public sealed class GlobalLeaksClient
         }
 
         var role = GetString(root, "role", "user_role", "userRole");
+        var proofOfWorkToken = ParseProofOfWorkToken(root);
+        var sessionExpiresAtUtc = ParseSessionExpiration(root);
 
-        return new GlSession(id, username, role);
+        return new GlSession(
+            id,
+            username,
+            role,
+            dpopPrivateKey,
+            proofOfWorkToken,
+            sessionExpiresAtUtc);
+    }
+
+    private static RefreshedGlobalLeaksSession ParseSessionRefresh(string body)
+    {
+        using var document = JsonDocument.Parse(body);
+        var root = document.RootElement;
+        var proofOfWorkToken = ParseProofOfWorkToken(root)
+            ?? throw new GlobalLeaksValidationException(
+                "GlobalLeaks no devolvio el reto necesario para mantener activa la sesion.",
+                StatusCodes.Status502BadGateway);
+
+        return new RefreshedGlobalLeaksSession(
+            proofOfWorkToken,
+            ParseSessionExpiration(root));
+    }
+
+    private static GlobalLeaksProofOfWorkToken? ParseProofOfWorkToken(JsonElement root)
+    {
+        if (!root.TryGetProperty("token", out var token) ||
+            token.ValueKind != JsonValueKind.Object)
+        {
+            return null;
+        }
+
+        var id = GetString(token, "id");
+        var salt = GetString(token, "salt");
+        return string.IsNullOrWhiteSpace(id) || string.IsNullOrWhiteSpace(salt)
+            ? null
+            : new GlobalLeaksProofOfWorkToken(id, salt);
+    }
+
+    private static DateTimeOffset? ParseSessionExpiration(JsonElement root)
+    {
+        if (!root.TryGetProperty("session_expiration", out var expiration))
+        {
+            return null;
+        }
+
+        double unixSeconds;
+        if (expiration.ValueKind == JsonValueKind.Number)
+        {
+            if (!expiration.TryGetDouble(out unixSeconds))
+            {
+                return null;
+            }
+        }
+        else if (expiration.ValueKind == JsonValueKind.String)
+        {
+            if (!double.TryParse(
+                    expiration.GetString(),
+                    NumberStyles.Float,
+                    CultureInfo.InvariantCulture,
+                    out unixSeconds))
+            {
+                return null;
+            }
+        }
+        else
+        {
+            return null;
+        }
+
+        if (unixSeconds <= 0 || unixSeconds > DateTimeOffset.MaxValue.ToUnixTimeSeconds())
+        {
+            return null;
+        }
+
+        return DateTimeOffset.FromUnixTimeMilliseconds((long)(unixSeconds * 1000));
     }
 
     private static async Task EnsureSuccessOrThrowAsync(
@@ -1389,7 +1708,14 @@ public sealed class GlobalLeaksClient
         bool HasNewCitizenComment,
         bool HasNewCitizenFile,
         DateTimeOffset? ReceiverLastActivity,
-        bool HasNewReceiverActivity);
+        bool HasNewReceiverActivity,
+        string? ReceiverLastActivityAuthorId,
+        string? ReceiverLastActivityAuthorName);
+
+    private sealed record ActivityActorEvent(
+        DateTimeOffset? Date,
+        string? AuthorId,
+        string? AuthorName);
 
     private sealed record RawReport
     {

Antifraude.Net/ApiDenuncias/Services/GlobalLeaksSessionKeepAliveService.cs

@@ -0,0 +1,83 @@
+using System.Collections.Concurrent;
+using GestionaDenuncias.Shared.Models;
+
+namespace ApiDenuncias.Services;
+
+public sealed class GlobalLeaksSessionKeepAliveService
+{
+    private static readonly TimeSpan MinimumRefreshInterval = TimeSpan.FromSeconds(20);
+    private static readonly ConcurrentDictionary<string, SemaphoreSlim> UserGates =
+        new(StringComparer.OrdinalIgnoreCase);
+
+    private readonly GlobalLeaksSessionStore _sessionStore;
+    private readonly GlobalLeaksClient _globalLeaksClient;
+    private readonly ILogger<GlobalLeaksSessionKeepAliveService> _logger;
+
+    public GlobalLeaksSessionKeepAliveService(
+        GlobalLeaksSessionStore sessionStore,
+        GlobalLeaksClient globalLeaksClient,
+        ILogger<GlobalLeaksSessionKeepAliveService> logger)
+    {
+        _sessionStore = sessionStore;
+        _globalLeaksClient = globalLeaksClient;
+        _logger = logger;
+    }
+
+    public async Task<GlobalLeaksStoredSession?> KeepAliveAsync(
+        string username,
+        CancellationToken cancellationToken = default)
+    {
+        var gate = UserGates.GetOrAdd(username, static _ => new SemaphoreSlim(1, 1));
+        await gate.WaitAsync(cancellationToken);
+        try
+        {
+            var session = await _sessionStore.GetAsync(username, cancellationToken);
+            if (session?.HasActiveSession != true)
+            {
+                return session;
+            }
+
+            if (session.LastKeepAliveAtUtc is { } lastKeepAlive &&
+                DateTimeOffset.UtcNow - lastKeepAlive < MinimumRefreshInterval)
+            {
+                return session;
+            }
+
+            var expectedSessionId = session.SessionId!;
+            try
+            {
+                var refreshed = await _globalLeaksClient.RefreshSessionAsync(
+                    expectedSessionId,
+                    session.DpopPrivateKey!,
+                    session.ProofOfWorkToken!,
+                    cancellationToken);
+
+                var updated = await _sessionStore.UpdateKeepAliveAsync(
+                    username,
+                    expectedSessionId,
+                    refreshed.ProofOfWorkToken,
+                    refreshed.SessionExpiresAtUtc,
+                    cancellationToken);
+
+                if (updated)
+                {
+                    _logger.LogDebug("Sesion GlobalLeaks renovada para {Username}.", username);
+                }
+
+                return await _sessionStore.GetAsync(username, cancellationToken);
+            }
+            catch (GlobalLeaksSessionExpiredException)
+            {
+                await _sessionStore.ClearSessionIfMatchesAsync(
+                    username,
+                    expectedSessionId,
+                    cancellationToken);
+                throw;
+            }
+        }
+        finally
+        {
+            gate.Release();
+        }
+    }
+}

Antifraude.Net/ApiDenuncias/Services/GlobalLeaksSessionStore.cs

@@ -30,18 +30,10 @@ public sealed class GlobalLeaksSessionStore
         }
 
         var path = GetFilePath(username);
-        if (!File.Exists(path))
-        {
-            return null;
-        }
-
         await _gate.WaitAsync(cancellationToken);
         try
         {
-            var protectedBytes = await File.ReadAllBytesAsync(path, cancellationToken);
-            var protectedBase64 = Encoding.UTF8.GetString(protectedBytes);
-            var json = _protector.Unprotect(protectedBase64);
-            return JsonSerializer.Deserialize<GlobalLeaksStoredSession>(json, JsonOptions);
+            return await ReadUnsafeAsync(path, cancellationToken);
         }
         finally
         {
@@ -54,15 +46,23 @@ public sealed class GlobalLeaksSessionStore
         string password,
         string sessionId,
         string? role,
+        string? dpopPrivateKey,
+        GlobalLeaksProofOfWorkToken? proofOfWorkToken,
+        DateTimeOffset? sessionExpiresAtUtc,
         CancellationToken cancellationToken = default)
     {
+        var now = DateTimeOffset.UtcNow;
         var data = new GlobalLeaksStoredSession
         {
             Username = username,
             Password = password,
             SessionId = sessionId,
             Role = role,
-            UpdatedAt = DateTimeOffset.UtcNow,
+            DpopPrivateKey = dpopPrivateKey,
+            ProofOfWorkToken = proofOfWorkToken,
+            SessionExpiresAtUtc = sessionExpiresAtUtc,
+            LastKeepAliveAtUtc = now,
+            UpdatedAt = now,
         };
 
         await WriteAsync(data, cancellationToken);
@@ -72,29 +72,116 @@ public sealed class GlobalLeaksSessionStore
         string username,
         string sessionId,
         string? role,
+        string? dpopPrivateKey,
+        GlobalLeaksProofOfWorkToken? proofOfWorkToken,
+        DateTimeOffset? sessionExpiresAtUtc,
         CancellationToken cancellationToken = default)
     {
-        var current = await GetAsync(username, cancellationToken)
-            ?? throw new InvalidOperationException("No hay credenciales guardadas para este usuario.");
+        var path = GetFilePath(username);
 
-        current.SessionId = sessionId;
-        current.Role = role;
-        current.UpdatedAt = DateTimeOffset.UtcNow;
+        await _gate.WaitAsync(cancellationToken);
+        try
+        {
+            var current = await ReadUnsafeAsync(path, cancellationToken)
+                ?? throw new InvalidOperationException("No hay credenciales guardadas para este usuario.");
+            var now = DateTimeOffset.UtcNow;
 
-        await WriteAsync(current, cancellationToken);
+            current.SessionId = sessionId;
+            current.Role = role;
+            current.DpopPrivateKey = dpopPrivateKey;
+            current.ProofOfWorkToken = proofOfWorkToken;
+            current.SessionExpiresAtUtc = sessionExpiresAtUtc;
+            current.LastKeepAliveAtUtc = now;
+            current.UpdatedAt = now;
+
+            await WriteUnsafeAsync(path, current, cancellationToken);
+        }
+        finally
+        {
+            _gate.Release();
+        }
+    }
+
+    public async Task<bool> UpdateKeepAliveAsync(
+        string username,
+        string expectedSessionId,
+        GlobalLeaksProofOfWorkToken proofOfWorkToken,
+        DateTimeOffset? sessionExpiresAtUtc,
+        CancellationToken cancellationToken = default)
+    {
+        var path = GetFilePath(username);
+
+        await _gate.WaitAsync(cancellationToken);
+        try
+        {
+            var current = await ReadUnsafeAsync(path, cancellationToken);
+            if (current is null ||
+                !string.Equals(current.SessionId, expectedSessionId, StringComparison.Ordinal))
+            {
+                return false;
+            }
+
+            var now = DateTimeOffset.UtcNow;
+            current.ProofOfWorkToken = proofOfWorkToken;
+            current.SessionExpiresAtUtc = sessionExpiresAtUtc;
+            current.LastKeepAliveAtUtc = now;
+            current.UpdatedAt = now;
+            await WriteUnsafeAsync(path, current, cancellationToken);
+            return true;
+        }
+        finally
+        {
+            _gate.Release();
+        }
     }
 
     public async Task ClearSessionAsync(string username, CancellationToken cancellationToken = default)
     {
-        var current = await GetAsync(username, cancellationToken);
-        if (current is null)
-        {
-            return;
-        }
+        var path = GetFilePath(username);
 
-        current.SessionId = null;
-        current.UpdatedAt = DateTimeOffset.UtcNow;
-        await WriteAsync(current, cancellationToken);
+        await _gate.WaitAsync(cancellationToken);
+        try
+        {
+            var current = await ReadUnsafeAsync(path, cancellationToken);
+            if (current is null)
+            {
+                return;
+            }
+
+            ClearSessionValues(current);
+            await WriteUnsafeAsync(path, current, cancellationToken);
+        }
+        finally
+        {
+            _gate.Release();
+        }
+    }
+
+    public async Task<bool> ClearSessionIfMatchesAsync(
+        string username,
+        string expectedSessionId,
+        CancellationToken cancellationToken = default)
+    {
+        var path = GetFilePath(username);
+
+        await _gate.WaitAsync(cancellationToken);
+        try
+        {
+            var current = await ReadUnsafeAsync(path, cancellationToken);
+            if (current is null ||
+                !string.Equals(current.SessionId, expectedSessionId, StringComparison.Ordinal))
+            {
+                return false;
+            }
+
+            ClearSessionValues(current);
+            await WriteUnsafeAsync(path, current, cancellationToken);
+            return true;
+        }
+        finally
+        {
+            _gate.Release();
+        }
     }
 
     public async Task DeleteAsync(string username, CancellationToken cancellationToken = default)
@@ -122,17 +209,12 @@ public sealed class GlobalLeaksSessionStore
 
     private async Task WriteAsync(GlobalLeaksStoredSession data, CancellationToken cancellationToken)
     {
-        Directory.CreateDirectory(RootPath);
-
         var path = GetFilePath(data.Username);
-        var json = JsonSerializer.Serialize(data, JsonOptions);
-        var protectedValue = _protector.Protect(json);
-        var protectedBytes = Encoding.UTF8.GetBytes(protectedValue);
 
         await _gate.WaitAsync(cancellationToken);
         try
         {
-            await File.WriteAllBytesAsync(path, protectedBytes, cancellationToken);
+            await WriteUnsafeAsync(path, data, cancellationToken);
         }
         finally
         {
@@ -147,4 +229,41 @@ public sealed class GlobalLeaksSessionStore
         var hash = SHA256.HashData(Encoding.UTF8.GetBytes(normalized));
         return Path.Combine(RootPath, $"{Convert.ToHexString(hash).ToLowerInvariant()}.bin");
     }
+
+    private async Task<GlobalLeaksStoredSession?> ReadUnsafeAsync(
+        string path,
+        CancellationToken cancellationToken)
+    {
+        if (!File.Exists(path))
+        {
+            return null;
+        }
+
+        var protectedBytes = await File.ReadAllBytesAsync(path, cancellationToken);
+        var protectedBase64 = Encoding.UTF8.GetString(protectedBytes);
+        var json = _protector.Unprotect(protectedBase64);
+        return JsonSerializer.Deserialize<GlobalLeaksStoredSession>(json, JsonOptions);
+    }
+
+    private async Task WriteUnsafeAsync(
+        string path,
+        GlobalLeaksStoredSession data,
+        CancellationToken cancellationToken)
+    {
+        Directory.CreateDirectory(RootPath);
+        var json = JsonSerializer.Serialize(data, JsonOptions);
+        var protectedValue = _protector.Protect(json);
+        var protectedBytes = Encoding.UTF8.GetBytes(protectedValue);
+        await File.WriteAllBytesAsync(path, protectedBytes, cancellationToken);
+    }
+
+    private static void ClearSessionValues(GlobalLeaksStoredSession session)
+    {
+        session.SessionId = null;
+        session.DpopPrivateKey = null;
+        session.ProofOfWorkToken = null;
+        session.SessionExpiresAtUtc = null;
+        session.LastKeepAliveAtUtc = null;
+        session.UpdatedAt = DateTimeOffset.UtcNow;
+    }
 }

Antifraude.Net/ApiDenuncias/Services/IFilteredDenunciaStore.cs

@@ -4,6 +4,10 @@ namespace ApiDenuncias.Services;
 
 public interface IFilteredDenunciaStore
 {
+    Task<DenunciasGestiona?> GetDenunciaByGestionaFileCodeAsync(
+        string gestionaFileCode,
+        CancellationToken cancellationToken = default);
+
     Task<List<DenunciasGestiona>> GetDenunciasByIdsAsync(
         IReadOnlyCollection<int> denunciaIds,
         CancellationToken cancellationToken = default);

Antifraude.Net/ApiDenuncias/Services/InboxTrackingService.cs

@@ -102,18 +102,28 @@ public sealed class InboxTrackingService : IInboxTrackingService
                     DownloadedByAnotherUser = meta?.DownloadedByAnotherUser ?? false,
                     LastDownloadedByUsername = meta?.LastDownloadedByUsername,
                     LastDownloadedAt = meta?.LastDownloadedAtUtc?.ToString("O", CultureInfo.InvariantCulture),
+                    LastGestionaUploadAt = meta?.LastGestionaUploadAtUtc?.ToString("O", CultureInfo.InvariantCulture),
                     AlreadyImported = meta?.AlreadyImported ?? false,
                     AlreadyInGestiona = meta?.AlreadyInGestiona ?? false,
+                    OwnerUsername = meta?.OwnerUsername,
+                    OwnedByCurrentUser = meta?.OwnedByCurrentUser ?? false,
+                    AccessibleByWorkGroup = meta?.AccessibleByWorkGroup ?? false,
+                    RequiresOwnerConfirmation = meta?.RequiresOwnerConfirmation ?? false,
+                    OwnerWorkGroups = meta?.OwnerWorkGroups ?? [],
                     TrackingNote = BuildTrackingNote(meta)
                 };
             })
-            .Where(report => !IsLockedByAnotherUser(report))
+            .Where(report =>
+                string.IsNullOrWhiteSpace(report.OwnerUsername) ||
+                report.OwnedByCurrentUser ||
+                report.AccessibleByWorkGroup)
             .ToArray();
     }
 
     public async Task EnsureReportCanBeImportedByUserAsync(
         string username,
         ReportDto report,
+        bool confirmDifferentOwner = false,
         CancellationToken cancellationToken = default)
     {
         await _denunciaStore.EnsureSchemaAsync(cancellationToken);
@@ -140,14 +150,23 @@ public sealed class InboxTrackingService : IInboxTrackingService
 
         await EnsureConnectionOpenAsync(connection, cancellationToken);
         var metadata = await LoadMetadataAsync(connection, userId, [report.Id], cancellationToken);
-        if (metadata.TryGetValue(report.Id, out var meta) && meta.LockedByAnotherUser)
+        if (!metadata.TryGetValue(report.Id, out var meta) ||
+            string.IsNullOrWhiteSpace(meta.OwnerUsername) ||
+            meta.OwnedByCurrentUser)
         {
-            var owner = string.IsNullOrWhiteSpace(meta.LastDownloadedByUsername)
-                ? "otro usuario"
-                : meta.LastDownloadedByUsername;
+            return;
+        }
 
-            throw new InvalidOperationException(
-                $"La denuncia ya fue importada por {owner}. Solo ese usuario puede ver e importar sus actualizaciones.");
+        if (!meta.AccessibleByWorkGroup)
+        {
+            throw new ReportOwnershipException(
+                $"La denuncia pertenece a {meta.OwnerUsername} y no compartis ningun grupo de trabajo.");
+        }
+
+        if (!confirmDifferentOwner)
+        {
+            throw new ReportOwnershipException(
+                $"La denuncia pertenece a {meta.OwnerUsername}. Confirma expresamente que deseas importarla como miembro de su grupo.");
         }
     }
 
@@ -180,6 +199,7 @@ public sealed class InboxTrackingService : IInboxTrackingService
                 SET
                     last_downloaded_at_utc = @nowUtc,
                     last_downloaded_by_user_id = @userId,
+                    owner_user_id = COALESCE(owner_user_id, @userId),
                     imported_complaint_report_id = COALESCE(@complaintId, imported_complaint_report_id),
                     imported_to_store_at_utc = COALESCE(imported_to_store_at_utc, @nowUtc),
                     updated_at_utc = CURRENT_TIMESTAMP(6)
@@ -298,6 +318,7 @@ public sealed class InboxTrackingService : IInboxTrackingService
                             ELSE last_downloaded_at_utc
                         END,
                     last_downloaded_by_user_id = @userId,
+                    owner_user_id = COALESCE(owner_user_id, @userId),
                     imported_complaint_report_id = COALESCE(imported_complaint_report_id, @denunciaId),
                     imported_to_store_at_utc = COALESCE(imported_to_store_at_utc, @handledAtUtc),
                     updated_at_utc = CURRENT_TIMESTAMP(6)
@@ -512,11 +533,45 @@ public sealed class InboxTrackingService : IInboxTrackingService
                 ir.global_report_uuid,
                 ir.last_downloaded_at_utc,
                 downloader.username AS last_downloaded_by_username,
+                owner.username AS owner_username,
                 ir.imported_to_store_at_utc,
                 COALESCE(c.is_in_gestiona, 0) AS already_in_gestiona,
-                CASE WHEN uir.last_downloaded_at_utc IS NULL THEN 0 ELSE 1 END AS downloaded_by_current_user
+                COALESCE(
+                    (
+                        SELECT MAX(history.uploaded_at_utc)
+                        FROM gestiona_upload_history history
+                        WHERE history.external_report_id =
+                            COALESCE(ir.imported_complaint_report_id, ir.progressive_id)
+                    ),
+                    c.gestiona_uploaded_at_utc
+                ) AS last_gestiona_upload_at_utc,
+                CASE WHEN uir.last_downloaded_at_utc IS NULL THEN 0 ELSE 1 END AS downloaded_by_current_user,
+                CASE WHEN ir.owner_user_id = @userId THEN 1 ELSE 0 END AS owned_by_current_user,
+                CASE
+                    WHEN ir.owner_user_id IS NULL THEN 0
+                    WHEN EXISTS (
+                        SELECT 1
+                        FROM app_user_groups shared_membership
+                        INNER JOIN work_groups active_group
+                            ON active_group.id = shared_membership.work_group_id
+                           AND active_group.is_active = 1
+                        WHERE shared_membership.app_user_id IN (@userId, ir.owner_user_id)
+                        GROUP BY shared_membership.work_group_id
+                        HAVING COUNT(DISTINCT shared_membership.app_user_id) = 2
+                    ) THEN 1
+                    ELSE 0
+                END AS accessible_by_group,
+                (
+                    SELECT GROUP_CONCAT(DISTINCT wg.code ORDER BY wg.code SEPARATOR ',')
+                    FROM app_user_groups owner_membership
+                    INNER JOIN work_groups wg
+                        ON wg.id = owner_membership.work_group_id
+                       AND wg.is_active = 1
+                    WHERE owner_membership.app_user_id = ir.owner_user_id
+                ) AS owner_group_codes
             FROM inbox_reports ir
             LEFT JOIN app_users downloader ON downloader.id = ir.last_downloaded_by_user_id
+            LEFT JOIN app_users owner ON owner.id = ir.owner_user_id
             LEFT JOIN user_inbox_reports uir
                 ON uir.inbox_report_id = ir.id
                AND uir.app_user_id = @userId
@@ -533,14 +588,20 @@ public sealed class InboxTrackingService : IInboxTrackingService
                 ? null
                 : reader.GetString(reader.GetOrdinal("last_downloaded_by_username"));
             var downloadedByCurrentUser = reader.GetInt32(reader.GetOrdinal("downloaded_by_current_user")) == 1;
-                var lockedByAnotherUser =
-                    !downloadedByCurrentUser &&
-                    !reader.IsDBNull(reader.GetOrdinal("imported_to_store_at_utc")) &&
-                    !string.IsNullOrWhiteSpace(lastDownloadedByUsername);
-
-                var downloadedByAnotherUser =
-                    !downloadedByCurrentUser &&
-                    !string.IsNullOrWhiteSpace(lastDownloadedByUsername);
+            var downloadedByAnotherUser =
+                !downloadedByCurrentUser &&
+                !string.IsNullOrWhiteSpace(lastDownloadedByUsername);
+            var ownerUsername = reader.IsDBNull(reader.GetOrdinal("owner_username"))
+                ? null
+                : reader.GetString(reader.GetOrdinal("owner_username"));
+            var ownedByCurrentUser =
+                reader.GetInt32(reader.GetOrdinal("owned_by_current_user")) == 1;
+            var accessibleByGroup =
+                reader.GetInt32(reader.GetOrdinal("accessible_by_group")) == 1;
+            var ownerWorkGroups = reader.IsDBNull(reader.GetOrdinal("owner_group_codes"))
+                ? []
+                : reader.GetString(reader.GetOrdinal("owner_group_codes"))
+                    .Split(',', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
 
             metadata[reportId] = new ReportMetadata
             {
@@ -548,9 +609,13 @@ public sealed class InboxTrackingService : IInboxTrackingService
                 DownloadedByAnotherUser = downloadedByAnotherUser,
                 LastDownloadedByUsername = lastDownloadedByUsername,
                 LastDownloadedAtUtc = GetDateTimeOffset(reader, "last_downloaded_at_utc"),
+                LastGestionaUploadAtUtc = GetDateTimeOffset(reader, "last_gestiona_upload_at_utc"),
                 AlreadyImported = !reader.IsDBNull(reader.GetOrdinal("imported_to_store_at_utc")),
                 AlreadyInGestiona = reader.GetInt32(reader.GetOrdinal("already_in_gestiona")) == 1,
-                LockedByAnotherUser = lockedByAnotherUser,
+                OwnerUsername = ownerUsername,
+                OwnedByCurrentUser = ownedByCurrentUser,
+                AccessibleByWorkGroup = accessibleByGroup,
+                OwnerWorkGroups = ownerWorkGroups,
             };
         }
 
@@ -654,11 +719,10 @@ public sealed class InboxTrackingService : IInboxTrackingService
             return null;
         }
 
-        if (metadata.LockedByAnotherUser)
+        if (!string.IsNullOrWhiteSpace(metadata.OwnerUsername) &&
+            !metadata.OwnedByCurrentUser)
         {
-            return string.IsNullOrWhiteSpace(metadata.LastDownloadedByUsername)
-                ? "Importada por otro usuario"
-                : $"Importada por {metadata.LastDownloadedByUsername}";
+            return $"Propiedad de {metadata.OwnerUsername}";
         }
 
         if (metadata.AlreadyInGestiona)
@@ -693,15 +757,26 @@ public sealed class InboxTrackingService : IInboxTrackingService
     {
         public bool DownloadedByCurrentUser { get; init; }
         public bool DownloadedByAnotherUser { get; init; }
-        public bool LockedByAnotherUser { get; init; }
         public string? LastDownloadedByUsername { get; init; }
         public DateTimeOffset? LastDownloadedAtUtc { get; init; }
+        public DateTimeOffset? LastGestionaUploadAtUtc { get; init; }
         public bool AlreadyImported { get; init; }
         public bool AlreadyInGestiona { get; init; }
+        public string? OwnerUsername { get; init; }
+        public bool OwnedByCurrentUser { get; init; }
+        public bool AccessibleByWorkGroup { get; init; }
+        public IReadOnlyList<string> OwnerWorkGroups { get; init; } = [];
+        public bool RequiresOwnerConfirmation =>
+            !OwnedByCurrentUser &&
+            AccessibleByWorkGroup &&
+            !string.IsNullOrWhiteSpace(OwnerUsername);
+    }
+}
+
+public sealed class ReportOwnershipException : InvalidOperationException
+{
+    public ReportOwnershipException(string message)
+        : base(message)
+    {
     }
-
-    private static bool IsLockedByAnotherUser(ReportDto report)
-        => report.AlreadyImported &&
-           report.DownloadedByAnotherUser &&
-           !report.DownloadedByCurrentUser;
 }

Antifraude.Net/ApiDenuncias/Services/MySqlDenunciaStore.cs

@@ -116,6 +116,7 @@ public sealed class MySqlDenunciaStore : IDenunciaStore
                 gestiona_uploaded_at_utc,
                 gestiona_last_upload_type,
                 gestiona_assigned_group,
+                pending_update_source,
                 is_in_gestiona,
                 is_rejected,
                 key_date,
@@ -184,6 +185,8 @@ public sealed class MySqlDenunciaStore : IDenunciaStore
         ("complaints", "encrypted_at_utc", "`encrypted_at_utc` DATETIME(6) NULL"),
         ("complaints", "gestiona_last_upload_type", "`gestiona_last_upload_type` VARCHAR(64) NOT NULL DEFAULT ''"),
         ("complaints", "gestiona_assigned_group", "`gestiona_assigned_group` VARCHAR(255) NOT NULL DEFAULT ''"),
+        ("complaints", "pending_update_source", "`pending_update_source` VARCHAR(256) NOT NULL DEFAULT ''"),
+        ("inbox_reports", "owner_user_id", "`owner_user_id` BIGINT NULL"),
         ("complaint_attachments", "content_sha256", "`content_sha256` CHAR(64) NOT NULL DEFAULT ''"),
         ("complaint_attachments", "key_date", "`key_date` DATE NULL"),
         ("complaint_attachments", "encryption_scheme", "`encryption_scheme` VARCHAR(64) NOT NULL DEFAULT 'none'"),
@@ -195,6 +198,7 @@ public sealed class MySqlDenunciaStore : IDenunciaStore
         ("complaint_attachments", "ix_attachments_sha256", "INDEX `ix_attachments_sha256` (`content_sha256`)"),
         ("complaints", "ix_complaints_key_date", "INDEX `ix_complaints_key_date` (`key_date`)"),
         ("complaints", "ix_complaints_flags", "INDEX `ix_complaints_flags` (`is_update`, `is_in_gestiona`, `is_rejected`)"),
+        ("inbox_reports", "ix_inbox_reports_owner", "INDEX `ix_inbox_reports_owner` (`owner_user_id`)"),
         ("complaint_attachments", "ix_attachments_key_date", "INDEX `ix_attachments_key_date` (`key_date`)"),
     ];
 
@@ -551,6 +555,38 @@ public sealed class MySqlDenunciaStore : IDenunciaStore
             : null;
     }
 
+    public async Task<DenunciasGestiona?> GetDenunciaByGestionaFileCodeAsync(
+        string gestionaFileCode,
+        CancellationToken cancellationToken = default)
+    {
+        await EnsureSchemaReadyAsync(cancellationToken);
+
+        var sql = $"""
+            SELECT
+            {ComplaintSelectColumns}
+            FROM complaints
+            WHERE external_report_id = (
+                SELECT history.external_report_id
+                FROM gestiona_upload_history history
+                WHERE history.gestiona_file_code = @gestionaFileCode
+                ORDER BY history.uploaded_at_utc DESC, history.id DESC
+                LIMIT 1
+            )
+               OR gestiona_file_code = @gestionaFileCode
+            ORDER BY COALESCE(gestiona_uploaded_at_utc, report_date_utc) DESC, external_report_id DESC
+            LIMIT 1;
+            """;
+
+        await using var connection = await OpenConnectionAsync(cancellationToken);
+        await using var command = new MySqlCommand(sql, connection);
+        command.Parameters.AddWithValue("@gestionaFileCode", gestionaFileCode.Trim());
+
+        await using var reader = await command.ExecuteReaderAsync(cancellationToken);
+        return await reader.ReadAsync(cancellationToken)
+            ? MapComplaint(reader)
+            : null;
+    }
+
     public async Task AddGestionaUploadHistoryAsync(
         GestionaUploadHistoryCreateRequest request,
         string username,
@@ -677,6 +713,7 @@ public sealed class MySqlDenunciaStore : IDenunciaStore
                 gestiona_uploaded_at_utc,
                 gestiona_last_upload_type,
                 gestiona_assigned_group,
+                pending_update_source,
                 is_in_gestiona,
                 is_rejected,
                 key_date,
@@ -749,6 +786,7 @@ public sealed class MySqlDenunciaStore : IDenunciaStore
                 @gestionaUploadedAtUtc,
                 @gestionaLastUploadType,
                 @gestionaAssignedGroup,
+                @pendingUpdateSource,
                 @isInGestiona,
                 @isRejected,
                 @keyDate,
@@ -821,6 +859,7 @@ public sealed class MySqlDenunciaStore : IDenunciaStore
                 gestiona_uploaded_at_utc = VALUES(gestiona_uploaded_at_utc),
                 gestiona_last_upload_type = VALUES(gestiona_last_upload_type),
                 gestiona_assigned_group = VALUES(gestiona_assigned_group),
+                pending_update_source = VALUES(pending_update_source),
                 is_in_gestiona = VALUES(is_in_gestiona),
                 is_rejected = VALUES(is_rejected),
                 key_date = VALUES(key_date),
@@ -898,6 +937,7 @@ public sealed class MySqlDenunciaStore : IDenunciaStore
         command.Parameters.AddWithValue("@gestionaUploadedAtUtc", ToDbDate(denuncia.FechaSubidaAGestiona));
         command.Parameters.AddWithValue("@gestionaLastUploadType", denuncia.UltimaSubidaGestionaTipo ?? string.Empty);
         command.Parameters.AddWithValue("@gestionaAssignedGroup", denuncia.UltimoGrupoAsignadoGestiona ?? string.Empty);
+        command.Parameters.AddWithValue("@pendingUpdateSource", denuncia.PendingUpdateSource ?? string.Empty);
         command.Parameters.AddWithValue("@isInGestiona", denuncia.EnGestiona);
         command.Parameters.AddWithValue("@isRejected", denuncia.EnRechazada);
         command.Parameters.AddWithValue("@keyDate", ToDbDate(denuncia.KeyDate));
@@ -962,9 +1002,6 @@ public sealed class MySqlDenunciaStore : IDenunciaStore
                 description = @description,
                 attachment_date_utc = @attachmentDateUtc,
                 notes = @notes,
-                content = @content,
-                content_mime_type = @contentMimeType,
-                content_sha256 = @contentSha256,
                 uploaded_to_gestiona = CASE
                     WHEN complaint_attachments.content_sha256 = @contentSha256 THEN complaint_attachments.uploaded_to_gestiona
                     ELSE @uploadedToGestiona
@@ -973,6 +1010,9 @@ public sealed class MySqlDenunciaStore : IDenunciaStore
                     WHEN complaint_attachments.content_sha256 = @contentSha256 THEN complaint_attachments.uploaded_at_utc
                     ELSE @uploadedAtUtc
                 END,
+                content = @content,
+                content_mime_type = @contentMimeType,
+                content_sha256 = @contentSha256,
                 key_date = @keyDate,
                 encryption_scheme = @encryptionScheme,
                 encrypted_at_utc = @encryptedAtUtc,
@@ -1322,6 +1362,54 @@ public sealed class MySqlDenunciaStore : IDenunciaStore
                 await alterCommand.ExecuteNonQueryAsync(cancellationToken);
             }
         }
+
+        await BackfillReportOwnersAsync(connection, cancellationToken);
+    }
+
+    private static async Task BackfillReportOwnersAsync(
+        MySqlConnection connection,
+        CancellationToken cancellationToken)
+    {
+        const string sql = """
+            UPDATE inbox_reports ir
+            LEFT JOIN (
+                SELECT
+                    uir.inbox_report_id,
+                    CAST(
+                        SUBSTRING_INDEX(
+                            GROUP_CONCAT(
+                                uir.app_user_id
+                                ORDER BY
+                                    COALESCE(
+                                        uir.first_downloaded_at_utc,
+                                        uir.last_downloaded_at_utc,
+                                        uir.first_seen_at_utc
+                                    ),
+                                    uir.app_user_id
+                                SEPARATOR ','
+                            ),
+                            ',',
+                            1
+                        ) AS UNSIGNED
+                    ) AS first_owner_user_id
+                FROM user_inbox_reports uir
+                WHERE uir.first_downloaded_at_utc IS NOT NULL
+                   OR uir.last_downloaded_at_utc IS NOT NULL
+                GROUP BY uir.inbox_report_id
+            ) first_owner ON first_owner.inbox_report_id = ir.id
+            SET ir.owner_user_id = COALESCE(
+                first_owner.first_owner_user_id,
+                ir.last_downloaded_by_user_id
+            )
+            WHERE ir.owner_user_id IS NULL
+              AND (
+                    ir.imported_to_store_at_utc IS NOT NULL
+                 OR ir.imported_complaint_report_id IS NOT NULL
+              );
+            """;
+
+        await using var command = new MySqlCommand(sql, connection);
+        await command.ExecuteNonQueryAsync(cancellationToken);
     }
 
     private static async Task EnsureAttachmentChunksTableAsync(
@@ -1639,6 +1727,7 @@ public sealed class MySqlDenunciaStore : IDenunciaStore
             FechaSubidaAGestiona = GetDateTime(record, "gestiona_uploaded_at_utc"),
             UltimaSubidaGestionaTipo = GetString(record, "gestiona_last_upload_type"),
             UltimoGrupoAsignadoGestiona = GetString(record, "gestiona_assigned_group"),
+            PendingUpdateSource = GetString(record, "pending_update_source"),
             EnGestiona = GetBoolean(record, "is_in_gestiona"),
             EnRechazada = GetBoolean(record, "is_rejected"),
             KeyDate = GetNullableDateOnly(record, "key_date"),

Antifraude.Net/ApiDenuncias/Services/UserComplaintAccessService.cs

@@ -12,43 +12,163 @@ public sealed class UserComplaintAccessService
         _connectionStringProvider = connectionStringProvider;
     }
 
-    public async Task<HashSet<int>> GetAllowedComplaintIdsAsync(string username, CancellationToken cancellationToken = default)
+    public async Task<HashSet<int>> GetAllowedComplaintIdsAsync(
+        string username,
+        CancellationToken cancellationToken = default)
+    {
+        var access = await GetComplaintAccessAsync(username, null, cancellationToken);
+        return access.Keys.ToHashSet();
+    }
+
+    public async Task<IReadOnlyDictionary<int, ComplaintAccessInfo>> GetComplaintAccessAsync(
+        string username,
+        IReadOnlyCollection<int>? complaintIds = null,
+        CancellationToken cancellationToken = default)
     {
         if (string.IsNullOrWhiteSpace(username))
         {
-            return [];
+            return new Dictionary<int, ComplaintAccessInfo>();
         }
 
-        const string sql = """
-            SELECT DISTINCT ir.imported_complaint_report_id
-            FROM inbox_reports ir
-            INNER JOIN user_inbox_reports uir ON uir.inbox_report_id = ir.id
-            INNER JOIN app_users au ON au.id = uir.app_user_id
-            WHERE au.username = @username
-              AND ir.imported_complaint_report_id IS NOT NULL
-              AND uir.download_count > 0;
-            """;
-
         var connectionString = await _connectionStringProvider.GetConnectionStringAsync(cancellationToken);
         await using var connection = new MySqlConnection(connectionString);
         await connection.OpenAsync(cancellationToken);
 
-        await using var command = new MySqlCommand(sql, connection);
+        await using var command = connection.CreateCommand();
         command.Parameters.AddWithValue("@username", username.Trim());
 
-        var result = new HashSet<int>();
+        var idFilter = string.Empty;
+        if (complaintIds is { Count: > 0 })
+        {
+            var parameters = new List<string>(complaintIds.Count);
+            var index = 0;
+            foreach (var complaintId in complaintIds.Where(id => id > 0).Distinct())
+            {
+                var parameterName = $"@complaintId{index++}";
+                parameters.Add(parameterName);
+                command.Parameters.AddWithValue(parameterName, complaintId);
+            }
+
+            if (parameters.Count == 0)
+            {
+                return new Dictionary<int, ComplaintAccessInfo>();
+            }
+
+            idFilter = $"AND COALESCE(ir.imported_complaint_report_id, ir.progressive_id) IN ({string.Join(", ", parameters)})";
+        }
+
+        command.CommandText = $"""
+            SELECT
+                COALESCE(ir.imported_complaint_report_id, ir.progressive_id) AS complaint_id,
+                owner.username AS owner_username,
+                CASE WHEN ir.owner_user_id = viewer.id THEN 1 ELSE 0 END AS owned_by_current_user,
+                CASE
+                    WHEN ir.owner_user_id IS NULL THEN 0
+                    WHEN EXISTS (
+                        SELECT 1
+                        FROM app_user_groups shared_membership
+                        INNER JOIN work_groups active_group
+                            ON active_group.id = shared_membership.work_group_id
+                           AND active_group.is_active = 1
+                        WHERE shared_membership.app_user_id IN (viewer.id, ir.owner_user_id)
+                        GROUP BY shared_membership.work_group_id
+                        HAVING COUNT(DISTINCT shared_membership.app_user_id) = 2
+                    ) THEN 1
+                    ELSE 0
+                END AS accessible_by_group,
+                (
+                    SELECT GROUP_CONCAT(DISTINCT wg.code ORDER BY wg.code SEPARATOR ',')
+                    FROM app_user_groups owner_membership
+                    INNER JOIN work_groups wg
+                        ON wg.id = owner_membership.work_group_id
+                       AND wg.is_active = 1
+                    WHERE owner_membership.app_user_id = ir.owner_user_id
+                ) AS owner_group_codes
+            FROM app_users viewer
+            INNER JOIN inbox_reports ir
+                ON COALESCE(ir.imported_complaint_report_id, ir.progressive_id) IS NOT NULL
+            LEFT JOIN app_users owner ON owner.id = ir.owner_user_id
+            LEFT JOIN user_inbox_reports current_tracking
+                ON current_tracking.inbox_report_id = ir.id
+               AND current_tracking.app_user_id = viewer.id
+            WHERE viewer.username = @username
+              {idFilter}
+              AND (
+                    ir.owner_user_id = viewer.id
+                 OR EXISTS (
+                        SELECT 1
+                        FROM app_user_groups shared_membership
+                        INNER JOIN work_groups active_group
+                            ON active_group.id = shared_membership.work_group_id
+                           AND active_group.is_active = 1
+                        WHERE shared_membership.app_user_id IN (viewer.id, ir.owner_user_id)
+                        GROUP BY shared_membership.work_group_id
+                        HAVING COUNT(DISTINCT shared_membership.app_user_id) = 2
+                    )
+                 OR (
+                        ir.owner_user_id IS NULL
+                    AND current_tracking.download_count > 0
+                    )
+              );
+            """;
+
+        var result = new Dictionary<int, ComplaintAccessInfo>();
         await using var reader = await command.ExecuteReaderAsync(cancellationToken);
         while (await reader.ReadAsync(cancellationToken))
         {
-            result.Add(Convert.ToInt32(reader.GetValue(0), CultureInfo.InvariantCulture));
+            var complaintId = Convert.ToInt32(
+                reader.GetValue(reader.GetOrdinal("complaint_id")),
+                CultureInfo.InvariantCulture);
+            var ownerUsername = reader.IsDBNull(reader.GetOrdinal("owner_username"))
+                ? string.Empty
+                : reader.GetString(reader.GetOrdinal("owner_username"));
+            var ownedByCurrentUser =
+                reader.GetInt32(reader.GetOrdinal("owned_by_current_user")) == 1;
+            var accessibleByGroup =
+                reader.GetInt32(reader.GetOrdinal("accessible_by_group")) == 1;
+            var groupCodes = reader.IsDBNull(reader.GetOrdinal("owner_group_codes"))
+                ? []
+                : reader.GetString(reader.GetOrdinal("owner_group_codes"))
+                    .Split(',', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
+
+            result[complaintId] = new ComplaintAccessInfo(
+                complaintId,
+                ownerUsername,
+                ownedByCurrentUser,
+                accessibleByGroup,
+                groupCodes);
         }
 
         return result;
     }
 
-    public async Task<bool> CanAccessComplaintAsync(string username, int complaintId, CancellationToken cancellationToken = default)
+    public async Task<bool> CanAccessComplaintAsync(
+        string username,
+        int complaintId,
+        CancellationToken cancellationToken = default)
     {
-        var allowedIds = await GetAllowedComplaintIdsAsync(username, cancellationToken);
-        return allowedIds.Contains(complaintId);
+        if (complaintId <= 0)
+        {
+            return false;
+        }
+
+        var access = await GetComplaintAccessAsync(
+            username,
+            [complaintId],
+            cancellationToken);
+        return access.ContainsKey(complaintId);
     }
 }
+
+public sealed record ComplaintAccessInfo(
+    int ComplaintId,
+    string OwnerUsername,
+    bool OwnedByCurrentUser,
+    bool AccessibleByGroup,
+    IReadOnlyList<string> OwnerGroupCodes)
+{
+    public bool RequiresOwnerConfirmation =>
+        !OwnedByCurrentUser &&
+        AccessibleByGroup &&
+        !string.IsNullOrWhiteSpace(OwnerUsername);
+}

Antifraude.Net/ApiDenuncias/Services/WorkGroupAdministrationService.cs

@@ -0,0 +1,414 @@
+using System.Globalization;
+using GestionaDenuncias.Shared.Models;
+using MySqlConnector;
+
+namespace ApiDenuncias.Services;
+
+public sealed class WorkGroupAdministrationService
+{
+    private readonly IDenunciaStore _denunciaStore;
+    private readonly MySqlConnectionStringProvider _connectionStringProvider;
+
+    public WorkGroupAdministrationService(
+        IDenunciaStore denunciaStore,
+        MySqlConnectionStringProvider connectionStringProvider)
+    {
+        _denunciaStore = denunciaStore;
+        _connectionStringProvider = connectionStringProvider;
+    }
+
+    public async Task<WorkGroupAdministrationDto> GetAsync(
+        CancellationToken cancellationToken = default)
+    {
+        await _denunciaStore.EnsureSchemaAsync(cancellationToken);
+        await using var connection = await OpenConnectionAsync(cancellationToken);
+
+        var groups = await LoadGroupsAsync(connection, cancellationToken);
+        var users = new Dictionary<long, UserGroupBuilder>();
+
+        const string sql = """
+            SELECT
+                au.id,
+                au.username,
+                wg.code AS group_code
+            FROM app_users au
+            LEFT JOIN app_user_groups aug ON aug.app_user_id = au.id
+            LEFT JOIN work_groups wg
+                ON wg.id = aug.work_group_id
+               AND wg.is_active = 1
+            ORDER BY au.username, wg.code;
+            """;
+
+        await using var command = new MySqlCommand(sql, connection);
+        await using var reader = await command.ExecuteReaderAsync(cancellationToken);
+        while (await reader.ReadAsync(cancellationToken))
+        {
+            var userId = reader.GetInt64(reader.GetOrdinal("id"));
+            if (!users.TryGetValue(userId, out var user))
+            {
+                user = new UserGroupBuilder(
+                    userId,
+                    reader.GetString(reader.GetOrdinal("username")));
+                users[userId] = user;
+            }
+
+            var groupOrdinal = reader.GetOrdinal("group_code");
+            if (!reader.IsDBNull(groupOrdinal))
+            {
+                user.GroupCodes.Add(reader.GetString(groupOrdinal));
+            }
+        }
+
+        return new WorkGroupAdministrationDto(
+            groups,
+            users.Values
+                .Select(user => new UserWorkGroupDto(
+                    user.UserId,
+                    user.Username,
+                    user.GroupCodes.OrderBy(code => code, StringComparer.Ordinal).ToArray()))
+                .ToArray());
+    }
+
+    public async Task<CurrentUserWorkGroupsDto> GetUserGroupsAsync(
+        string username,
+        CancellationToken cancellationToken = default)
+    {
+        await _denunciaStore.EnsureSchemaAsync(cancellationToken);
+
+        var normalizedUsername = username?.Trim();
+        if (string.IsNullOrWhiteSpace(normalizedUsername))
+        {
+            throw new InvalidOperationException("No hay usuario autenticado.");
+        }
+
+        await using var connection = await OpenConnectionAsync(cancellationToken);
+        const string sql = """
+            SELECT wg.code
+            FROM app_users au
+            INNER JOIN app_user_groups aug ON aug.app_user_id = au.id
+            INNER JOIN work_groups wg
+                ON wg.id = aug.work_group_id
+               AND wg.is_active = 1
+            WHERE LOWER(au.username) = LOWER(@username)
+            ORDER BY wg.code;
+            """;
+
+        var groupCodes = new List<string>();
+        await using var command = new MySqlCommand(sql, connection);
+        command.Parameters.AddWithValue("@username", normalizedUsername);
+        await using var reader = await command.ExecuteReaderAsync(cancellationToken);
+        while (await reader.ReadAsync(cancellationToken))
+        {
+            groupCodes.Add(reader.GetString(reader.GetOrdinal("code")));
+        }
+
+        return new CurrentUserWorkGroupsDto(normalizedUsername, groupCodes);
+    }
+
+    public async Task<WorkGroupAdministrationDto> UpdateUserGroupsAsync(
+        string username,
+        IEnumerable<string> groupCodes,
+        string changedByUsername,
+        CancellationToken cancellationToken = default)
+    {
+        await _denunciaStore.EnsureSchemaAsync(cancellationToken);
+
+        var normalizedUsername = username?.Trim();
+        if (string.IsNullOrWhiteSpace(normalizedUsername))
+        {
+            throw new InvalidOperationException("Debes indicar el usuario que se va a configurar.");
+        }
+
+        var normalizedCodes = groupCodes
+            .Where(code => !string.IsNullOrWhiteSpace(code))
+            .Select(code => code.Trim())
+            .Distinct(StringComparer.OrdinalIgnoreCase)
+            .ToArray();
+
+        if (normalizedCodes.Length == 0)
+        {
+            throw new InvalidOperationException("Cada usuario debe pertenecer al menos a un grupo de trabajo.");
+        }
+
+        await using var connection = await OpenConnectionAsync(cancellationToken);
+        await using var transaction = await connection.BeginTransactionAsync(cancellationToken);
+        try
+        {
+            var validGroups = await LoadGroupIdsAsync(
+                connection,
+                (MySqlTransaction)transaction,
+                normalizedCodes,
+                cancellationToken);
+
+            if (validGroups.Count != normalizedCodes.Length)
+            {
+                throw new InvalidOperationException("Se ha indicado un grupo de trabajo que no existe o no esta activo.");
+            }
+
+            var userId = await EnsureUserAsync(
+                connection,
+                (MySqlTransaction)transaction,
+                normalizedUsername,
+                cancellationToken);
+            var existingGroupIds = await LoadUserGroupIdsAsync(
+                connection,
+                (MySqlTransaction)transaction,
+                userId,
+                cancellationToken);
+            var desiredGroupIds = validGroups.Values.ToHashSet();
+
+            foreach (var removedGroupId in existingGroupIds.Except(desiredGroupIds))
+            {
+                await DeleteMembershipAsync(
+                    connection,
+                    (MySqlTransaction)transaction,
+                    userId,
+                    removedGroupId,
+                    cancellationToken);
+                await AddHistoryAsync(
+                    connection,
+                    (MySqlTransaction)transaction,
+                    userId,
+                    removedGroupId,
+                    "removed",
+                    changedByUsername,
+                    cancellationToken);
+            }
+
+            foreach (var addedGroupId in desiredGroupIds.Except(existingGroupIds))
+            {
+                await AddMembershipAsync(
+                    connection,
+                    (MySqlTransaction)transaction,
+                    userId,
+                    addedGroupId,
+                    changedByUsername,
+                    cancellationToken);
+                await AddHistoryAsync(
+                    connection,
+                    (MySqlTransaction)transaction,
+                    userId,
+                    addedGroupId,
+                    "added",
+                    changedByUsername,
+                    cancellationToken);
+            }
+
+            await transaction.CommitAsync(cancellationToken);
+        }
+        catch
+        {
+            await transaction.RollbackAsync(cancellationToken);
+            throw;
+        }
+
+        return await GetAsync(cancellationToken);
+    }
+
+    private static async Task<List<WorkGroupDto>> LoadGroupsAsync(
+        MySqlConnection connection,
+        CancellationToken cancellationToken)
+    {
+        const string sql = """
+            SELECT code, name
+            FROM work_groups
+            WHERE is_active = 1
+            ORDER BY code;
+            """;
+
+        var groups = new List<WorkGroupDto>();
+        await using var command = new MySqlCommand(sql, connection);
+        await using var reader = await command.ExecuteReaderAsync(cancellationToken);
+        while (await reader.ReadAsync(cancellationToken))
+        {
+            groups.Add(new WorkGroupDto(
+                reader.GetString(reader.GetOrdinal("code")),
+                reader.GetString(reader.GetOrdinal("name"))));
+        }
+
+        return groups;
+    }
+
+    private static async Task<Dictionary<string, long>> LoadGroupIdsAsync(
+        MySqlConnection connection,
+        MySqlTransaction transaction,
+        IReadOnlyList<string> codes,
+        CancellationToken cancellationToken)
+    {
+        var result = new Dictionary<string, long>(StringComparer.OrdinalIgnoreCase);
+        await using var command = new MySqlCommand { Connection = connection, Transaction = transaction };
+        var parameters = new List<string>(codes.Count);
+        for (var index = 0; index < codes.Count; index++)
+        {
+            var parameterName = $"@code{index}";
+            parameters.Add(parameterName);
+            command.Parameters.AddWithValue(parameterName, codes[index]);
+        }
+
+        command.CommandText = $"""
+            SELECT id, code
+            FROM work_groups
+            WHERE is_active = 1
+              AND code IN ({string.Join(", ", parameters)});
+            """;
+
+        await using var reader = await command.ExecuteReaderAsync(cancellationToken);
+        while (await reader.ReadAsync(cancellationToken))
+        {
+            result[reader.GetString(reader.GetOrdinal("code"))] =
+                reader.GetInt64(reader.GetOrdinal("id"));
+        }
+
+        return result;
+    }
+
+    private static async Task<long> EnsureUserAsync(
+        MySqlConnection connection,
+        MySqlTransaction transaction,
+        string username,
+        CancellationToken cancellationToken)
+    {
+        const string insertSql = """
+            INSERT INTO app_users (username)
+            VALUES (@username)
+            ON DUPLICATE KEY UPDATE
+                updated_at_utc = CURRENT_TIMESTAMP(6);
+            """;
+
+        await using (var insert = new MySqlCommand(insertSql, connection, transaction))
+        {
+            insert.Parameters.AddWithValue("@username", username);
+            await insert.ExecuteNonQueryAsync(cancellationToken);
+        }
+
+        const string selectSql = """
+            SELECT id
+            FROM app_users
+            WHERE username = @username
+            LIMIT 1;
+            """;
+
+        await using var select = new MySqlCommand(selectSql, connection, transaction);
+        select.Parameters.AddWithValue("@username", username);
+        var result = await select.ExecuteScalarAsync(cancellationToken);
+        return Convert.ToInt64(result, CultureInfo.InvariantCulture);
+    }
+
+    private static async Task<HashSet<long>> LoadUserGroupIdsAsync(
+        MySqlConnection connection,
+        MySqlTransaction transaction,
+        long userId,
+        CancellationToken cancellationToken)
+    {
+        const string sql = """
+            SELECT work_group_id
+            FROM app_user_groups
+            WHERE app_user_id = @userId;
+            """;
+
+        var result = new HashSet<long>();
+        await using var command = new MySqlCommand(sql, connection, transaction);
+        command.Parameters.AddWithValue("@userId", userId);
+        await using var reader = await command.ExecuteReaderAsync(cancellationToken);
+        while (await reader.ReadAsync(cancellationToken))
+        {
+            result.Add(reader.GetInt64(0));
+        }
+
+        return result;
+    }
+
+    private static async Task DeleteMembershipAsync(
+        MySqlConnection connection,
+        MySqlTransaction transaction,
+        long userId,
+        long groupId,
+        CancellationToken cancellationToken)
+    {
+        const string sql = """
+            DELETE FROM app_user_groups
+            WHERE app_user_id = @userId
+              AND work_group_id = @groupId;
+            """;
+
+        await using var command = new MySqlCommand(sql, connection, transaction);
+        command.Parameters.AddWithValue("@userId", userId);
+        command.Parameters.AddWithValue("@groupId", groupId);
+        await command.ExecuteNonQueryAsync(cancellationToken);
+    }
+
+    private static async Task AddMembershipAsync(
+        MySqlConnection connection,
+        MySqlTransaction transaction,
+        long userId,
+        long groupId,
+        string changedByUsername,
+        CancellationToken cancellationToken)
+    {
+        const string sql = """
+            INSERT INTO app_user_groups (
+                app_user_id,
+                work_group_id,
+                assigned_by_username
+            ) VALUES (
+                @userId,
+                @groupId,
+                @changedByUsername
+            )
+            ON DUPLICATE KEY UPDATE
+                assigned_by_username = VALUES(assigned_by_username);
+            """;
+
+        await using var command = new MySqlCommand(sql, connection, transaction);
+        command.Parameters.AddWithValue("@userId", userId);
+        command.Parameters.AddWithValue("@groupId", groupId);
+        command.Parameters.AddWithValue("@changedByUsername", changedByUsername?.Trim() ?? string.Empty);
+        await command.ExecuteNonQueryAsync(cancellationToken);
+    }
+
+    private static async Task AddHistoryAsync(
+        MySqlConnection connection,
+        MySqlTransaction transaction,
+        long userId,
+        long groupId,
+        string action,
+        string changedByUsername,
+        CancellationToken cancellationToken)
+    {
+        const string sql = """
+            INSERT INTO app_user_group_history (
+                app_user_id,
+                work_group_id,
+                action,
+                changed_by_username
+            ) VALUES (
+                @userId,
+                @groupId,
+                @action,
+                @changedByUsername
+            );
+            """;
+
+        await using var command = new MySqlCommand(sql, connection, transaction);
+        command.Parameters.AddWithValue("@userId", userId);
+        command.Parameters.AddWithValue("@groupId", groupId);
+        command.Parameters.AddWithValue("@action", action);
+        command.Parameters.AddWithValue("@changedByUsername", changedByUsername?.Trim() ?? string.Empty);
+        await command.ExecuteNonQueryAsync(cancellationToken);
+    }
+
+    private async Task<MySqlConnection> OpenConnectionAsync(CancellationToken cancellationToken)
+    {
+        var connectionString = await _connectionStringProvider.GetConnectionStringAsync(cancellationToken);
+        var connection = new MySqlConnection(connectionString);
+        await connection.OpenAsync(cancellationToken);
+        await using var command = new MySqlCommand("SET time_zone = '+00:00';", connection);
+        await command.ExecuteNonQueryAsync(cancellationToken);
+        return connection;
+    }
+
+    private sealed record UserGroupBuilder(long UserId, string Username)
+    {
+        public HashSet<string> GroupCodes { get; } = new(StringComparer.OrdinalIgnoreCase);
+    }
+}

Antifraude.Net/ApiDenuncias/appsettings.json

@@ -44,6 +44,8 @@
     "CircuitNewComplaintTemplateName": "CT-Nueva denuncia",
     "CircuitUpdateSajTemplateName": "CT-Actualización denuncia SAJ",
     "CircuitUpdateSdiTemplateName": "CT-Actualización denuncia SDI",
+    "CircuitCommunicationSajTemplateName": "CT-Comunicación SAJ a denunciante",
+    "CircuitCommunicationSdiTemplateName": "CT-Comunicación SDI a denunciante",
     "CircuitSignerStampTitle": "oaaf-complaints-tramit",
     "CircuitVersion": "2",
     "DocumentMetadataLanguage": "es",

Antifraude.Net/GestionaDenuncias.Shared/Models/ApiDenunciasDtos.cs

@@ -19,7 +19,9 @@ public sealed record InboxSnapshotResponse(
     IReadOnlyList<ReportDto> Reports,
     InboxUserState UserState);
 
-public sealed record ImportReportRequest(ReportDto Report);
+public sealed record ImportReportRequest(
+    ReportDto Report,
+    bool ConfirmDifferentOwner = false);
 
 public sealed record MarkFicherosUploadedRequest(
     IReadOnlyList<string> FileNames,
@@ -43,7 +45,8 @@ public sealed record MarkReportHandledInGestionaRequest(
 
 public sealed record TrackingImportPermissionRequest(
     string Username,
-    ReportDto Report);
+    ReportDto Report,
+    bool ConfirmDifferentOwner = false);
 
 public sealed record GestionaCreateFileRequest(
     string Subject,
@@ -92,7 +95,8 @@ public sealed record GestionaTramitarDocumentoRequest(
     string DocumentUrl,
     string AssignedGroupCode,
     int? ComplaintId,
-    bool IsUpdate = false);
+    bool IsUpdate = false,
+    string? UpdateSource = null);
 
 public sealed record ManualPurgeRequest(string Date);
 
@@ -109,6 +113,26 @@ public sealed record AppConfigurationDto(
 
 public sealed record UpdateExternalUpdateCutoffRequest(string? Date);
 
+public sealed record WorkGroupDto(
+    string Code,
+    string Name);
+
+public sealed record UserWorkGroupDto(
+    long UserId,
+    string Username,
+    IReadOnlyList<string> GroupCodes);
+
+public sealed record WorkGroupAdministrationDto(
+    IReadOnlyList<WorkGroupDto> Groups,
+    IReadOnlyList<UserWorkGroupDto> Users);
+
+public sealed record CurrentUserWorkGroupsDto(
+    string Username,
+    IReadOnlyList<string> GroupCodes);
+
+public sealed record UpdateUserWorkGroupsRequest(
+    IReadOnlyList<string> GroupCodes);
+
 public sealed record GestionaComplaintFieldsResponse(
     DateTime? FechaDenuncia,
     int NumeroDenunciaCanal,
@@ -122,3 +146,10 @@ public sealed record GestionaComplaintFieldsResponse(
     string AutorizaRemisionDenuncia,
     string AutorizaNotificacionesViaSms,
     string PreferenciaNotificacionSeguimientoDenuncia);
+
+public sealed record GestionaExternalFieldValue(
+    string Type,
+    string Value);
+
+public sealed record GestionaExternalFieldsResponse(
+    IReadOnlyDictionary<string, GestionaExternalFieldValue> Data);

Antifraude.Net/GestionaDenuncias.Shared/Models/ComplaintUpdateSources.cs

@@ -0,0 +1,13 @@
+namespace GestionaDenuncias.Shared.Models;
+
+public static class ComplaintUpdateSources
+{
+    public const string Citizen = "citizen";
+    public const string Receiver = "receiver";
+
+    public static bool IsCitizen(string? value)
+        => string.Equals(value, Citizen, StringComparison.OrdinalIgnoreCase);
+
+    public static bool IsReceiver(string? value)
+        => string.Equals(value, Receiver, StringComparison.OrdinalIgnoreCase);
+}

Antifraude.Net/GestionaDenuncias.Shared/Models/DenunciasGestiona.cs

@@ -79,10 +79,16 @@ public class DenunciasGestiona
     public DateTime FechaSubidaAGestiona { get; set; } = DateTime.MinValue;
     public string UltimaSubidaGestionaTipo { get; set; } = string.Empty;
     public string UltimoGrupoAsignadoGestiona { get; set; } = string.Empty;
+    public string PendingUpdateSource { get; set; } = string.Empty;
 
     public bool EnGestiona { get; set; }
     public bool EnRechazada { get; set; }
 
+    public string OwnerUsername { get; set; } = string.Empty;
+    public bool OwnedByCurrentUser { get; set; }
+    public bool RequiresOwnerConfirmation { get; set; }
+    public IReadOnlyList<string> OwnerWorkGroups { get; set; } = [];
+
     [JsonIgnore]
     public DateOnly? KeyDate { get; set; }
 

Antifraude.Net/GestionaDenuncias.Shared/Models/GlSession.cs

@@ -1,3 +1,11 @@
 namespace GestionaDenuncias.Shared.Models;
 
-public sealed record GlSession(string Id, string Username, string? Role = null);
+public sealed record GlobalLeaksProofOfWorkToken(string Id, string Salt);
+
+public sealed record GlSession(
+    string Id,
+    string Username,
+    string? Role = null,
+    string? DpopPrivateKey = null,
+    GlobalLeaksProofOfWorkToken? ProofOfWorkToken = null,
+    DateTimeOffset? SessionExpiresAtUtc = null);

Antifraude.Net/GestionaDenuncias.Shared/Models/GlobalLeaksStoredSession.cs

@@ -6,7 +6,15 @@ public sealed class GlobalLeaksStoredSession
     public string Password { get; set; } = string.Empty;
     public string? SessionId { get; set; }
     public string? Role { get; set; }
+    public string? DpopPrivateKey { get; set; }
+    public GlobalLeaksProofOfWorkToken? ProofOfWorkToken { get; set; }
+    public DateTimeOffset? SessionExpiresAtUtc { get; set; }
+    public DateTimeOffset? LastKeepAliveAtUtc { get; set; }
     public DateTimeOffset UpdatedAt { get; set; } = DateTimeOffset.UtcNow;
 
-    public bool HasActiveSession => !string.IsNullOrWhiteSpace(SessionId);
+    public bool HasActiveSession =>
+        !string.IsNullOrWhiteSpace(SessionId) &&
+        !string.IsNullOrWhiteSpace(DpopPrivateKey) &&
+        !string.IsNullOrWhiteSpace(ProofOfWorkToken?.Id) &&
+        !string.IsNullOrWhiteSpace(ProofOfWorkToken?.Salt);
 }

Antifraude.Net/GestionaDenuncias.Shared/Models/ReportDetailDto.cs

@@ -5,14 +5,17 @@ public sealed record ReportDetailDto(
     string? LastAccess,
     IReadOnlyList<ReportCommentDto> Comments,
     IReadOnlyList<ReportFileDto> WhistleblowerFiles,
-    IReadOnlyList<ReportFileDto> ReceiverFiles);
+    IReadOnlyList<ReportFileDto> ReceiverFiles,
+    IReadOnlyList<ReportReceiverDto>? Receivers = null);
 
 public sealed record ReportCommentDto(
     string? Id,
     string? Type,
     string? Content,
     string? CreationDate,
-    bool IsNew);
+    bool IsNew,
+    string? AuthorId = null,
+    string? AuthorName = null);
 
 public sealed record ReportFileDto(
     string? Id,
@@ -20,4 +23,11 @@ public sealed record ReportFileDto(
     long? Size,
     string? ContentType,
     string? CreationDate,
-    bool IsNew);
+    bool IsNew,
+    string? AuthorId = null,
+    string? AuthorName = null);
+
+public sealed record ReportReceiverDto(
+    string Id,
+    string Name,
+    bool Active);

Antifraude.Net/GestionaDenuncias.Shared/Models/ReportDto.cs

@@ -24,11 +24,19 @@ public sealed record ReportDto
     public bool CitizenHasNewFile { get; init; }
     public string? ReceiverLastActivity { get; init; }
     public bool ReceiverHasNewActivity { get; init; }
+    public string? ReceiverLastActivityAuthorId { get; init; }
+    public string? ReceiverLastActivityAuthorName { get; init; }
     public bool DownloadedByCurrentUser { get; init; }
     public bool DownloadedByAnotherUser { get; init; }
     public string? LastDownloadedByUsername { get; init; }
     public string? LastDownloadedAt { get; init; }
+    public string? LastGestionaUploadAt { get; init; }
     public bool AlreadyImported { get; init; }
     public bool AlreadyInGestiona { get; init; }
+    public string? OwnerUsername { get; init; }
+    public bool OwnedByCurrentUser { get; init; }
+    public bool AccessibleByWorkGroup { get; init; }
+    public bool RequiresOwnerConfirmation { get; init; }
+    public IReadOnlyList<string> OwnerWorkGroups { get; init; } = [];
     public string? TrackingNote { get; init; }
 }

Antifraude.Net/GestionaDenuncias.Shared/Services/IInboxTrackingService.cs

@@ -24,5 +24,6 @@ public interface IInboxTrackingService
     Task EnsureReportCanBeImportedByUserAsync(
         string username,
         ReportDto report,
+        bool confirmDifferentOwner = false,
         CancellationToken cancellationToken = default);
 }

Antifraude.Net/GestionaDenunciasAN/Components/App.razor

@@ -17,7 +17,7 @@
 <body>
     <Routes @rendermode="@(new InteractiveServerRenderMode(prerender: false))" />
     <script src="Scripts/bootstrap.bundle.min.js"></script>
-    <script src="js/appAuth.js"></script>
+    <script src="js/appAuth.js?v=20260724-session-keepalive"></script>
 
     <script src="_framework/blazor.web.js"></script>
 </body>

Antifraude.Net/GestionaDenunciasAN/Components/AppConfirmationDialog.razor

@@ -0,0 +1,110 @@
+@implements IDisposable
+@inject UiDialogService Dialog
+
+@if (Dialog.IsVisible)
+{
+    <div class="app-confirmation-backdrop"
+         role="presentation"
+         @onkeydown="HandleKeyDown">
+        <section class="@DialogCss"
+                 role="alertdialog"
+                 aria-modal="true"
+                 aria-labelledby="app-confirmation-title"
+                 aria-describedby="app-confirmation-message">
+            <div class="app-confirmation__accent" aria-hidden="true"></div>
+
+            <div class="app-confirmation__content">
+                <div class="@IconCss" aria-hidden="true">!</div>
+
+                <div class="app-confirmation__copy">
+                    <div class="app-confirmation__eyebrow">@Eyebrow</div>
+                    <h2 id="app-confirmation-title" class="app-confirmation__title">
+                        @Dialog.Title
+                    </h2>
+                    <p id="app-confirmation-message" class="app-confirmation__message">
+                        @Dialog.Message
+                    </p>
+                </div>
+            </div>
+
+            <div class="app-confirmation__actions">
+                <button type="button"
+                        class="btn btn-outline-secondary app-confirmation__button"
+                        @ref="_cancelButton"
+                        @onclick="Dialog.Cancel">
+                    @Dialog.CancelText
+                </button>
+                <button type="button"
+                        class="@ConfirmButtonCss"
+                        @onclick="Dialog.Confirm">
+                    @Dialog.ConfirmText
+                </button>
+            </div>
+        </section>
+    </div>
+}
+
+@code {
+    private ElementReference _cancelButton;
+    private bool _focusPending;
+
+    private string DialogCss =>
+        $"app-confirmation app-confirmation--{ToneName}";
+
+    private string IconCss =>
+        $"app-confirmation__icon app-confirmation__icon--{ToneName}";
+
+    private string ConfirmButtonCss =>
+        Dialog.Tone == UiDialogTone.Danger
+            ? "btn app-confirmation__button app-confirmation__button--danger"
+            : "btn app-confirmation__button app-confirmation__button--primary";
+
+    private string ToneName => Dialog.Tone switch
+    {
+        UiDialogTone.Danger => "danger",
+        UiDialogTone.Information => "information",
+        _ => "warning"
+    };
+
+    private string Eyebrow => Dialog.Tone switch
+    {
+        UiDialogTone.Danger => "Acción irreversible",
+        UiDialogTone.Information => "Confirmación",
+        _ => "Revisa antes de continuar"
+    };
+
+    protected override void OnInitialized()
+    {
+        Dialog.Changed += HandleDialogChanged;
+    }
+
+    protected override async Task OnAfterRenderAsync(bool firstRender)
+    {
+        if (!_focusPending || !Dialog.IsVisible)
+        {
+            return;
+        }
+
+        _focusPending = false;
+        await _cancelButton.FocusAsync();
+    }
+
+    public void Dispose()
+    {
+        Dialog.Changed -= HandleDialogChanged;
+    }
+
+    private void HandleDialogChanged()
+    {
+        _focusPending = Dialog.IsVisible;
+        _ = InvokeAsync(StateHasChanged);
+    }
+
+    private void HandleKeyDown(KeyboardEventArgs args)
+    {
+        if (string.Equals(args.Key, "Escape", StringComparison.Ordinal))
+        {
+            Dialog.Cancel();
+        }
+    }
+}

Antifraude.Net/GestionaDenunciasAN/Components/AppConfirmationDialog.razor.css

@@ -0,0 +1,163 @@
+.app-confirmation-backdrop {
+    position: fixed;
+    inset: 0;
+    z-index: 5100;
+    display: grid;
+    place-items: center;
+    padding: 1.25rem;
+    background: rgba(6, 22, 41, 0.64);
+    backdrop-filter: blur(5px);
+    overscroll-behavior: contain;
+}
+
+.app-confirmation {
+    position: relative;
+    overflow: hidden;
+    width: min(560px, 100%);
+    border: 1px solid rgba(255, 255, 255, 0.65);
+    border-radius: 8px;
+    background: #fff;
+    box-shadow: 0 28px 80px rgba(5, 27, 54, 0.34);
+    color: #12395f;
+}
+
+.app-confirmation__accent {
+    height: 0.35rem;
+    background: #d49620;
+}
+
+.app-confirmation--danger .app-confirmation__accent {
+    background: #c93f4f;
+}
+
+.app-confirmation--information .app-confirmation__accent {
+    background: #2a5caa;
+}
+
+.app-confirmation__content {
+    display: grid;
+    grid-template-columns: 3.25rem minmax(0, 1fr);
+    gap: 1rem;
+    padding: 1.5rem 1.5rem 1.1rem;
+}
+
+.app-confirmation__icon {
+    display: grid;
+    place-items: center;
+    width: 3.25rem;
+    height: 3.25rem;
+    border: 1px solid #efd8a8;
+    border-radius: 50%;
+    background: #fff6df;
+    color: #8d5e08;
+    font-size: 1.45rem;
+    font-weight: 800;
+}
+
+.app-confirmation__icon--danger {
+    border-color: #efc2c8;
+    background: #fff0f2;
+    color: #a82d3b;
+}
+
+.app-confirmation__icon--information {
+    border-color: #c4d6ef;
+    background: #eef5ff;
+    color: #214f91;
+}
+
+.app-confirmation__copy {
+    min-width: 0;
+}
+
+.app-confirmation__eyebrow {
+    margin-bottom: 0.3rem;
+    color: #6a7786;
+    font-size: 0.74rem;
+    font-weight: 800;
+    letter-spacing: 0;
+    text-transform: uppercase;
+}
+
+.app-confirmation__title {
+    margin: 0;
+    color: #0a315c;
+    font-size: 1.35rem;
+    font-weight: 800;
+    line-height: 1.25;
+}
+
+.app-confirmation__message {
+    margin: 0.65rem 0 0;
+    color: #405f7d;
+    line-height: 1.55;
+    white-space: pre-line;
+}
+
+.app-confirmation__actions {
+    display: flex;
+    justify-content: flex-end;
+    gap: 0.65rem;
+    padding: 1rem 1.5rem 1.35rem;
+    border-top: 1px solid #e4ebf2;
+    background: #f8fafc;
+}
+
+.app-confirmation__button {
+    min-width: 8.5rem;
+    min-height: 2.7rem;
+    border-radius: 6px;
+}
+
+.app-confirmation__button--primary {
+    border-color: #24539a;
+    background: #24539a;
+    color: #fff;
+}
+
+.app-confirmation__button--primary:hover,
+.app-confirmation__button--primary:focus-visible {
+    border-color: #193f79;
+    background: #193f79;
+    color: #fff;
+}
+
+.app-confirmation__button--danger {
+    border-color: #b93343;
+    background: #b93343;
+    color: #fff;
+}
+
+.app-confirmation__button--danger:hover,
+.app-confirmation__button--danger:focus-visible {
+    border-color: #922936;
+    background: #922936;
+    color: #fff;
+}
+
+@media (max-width: 575.98px) {
+    .app-confirmation-backdrop {
+        align-items: end;
+        padding: 0.75rem;
+    }
+
+    .app-confirmation__content {
+        grid-template-columns: 2.75rem minmax(0, 1fr);
+        gap: 0.8rem;
+        padding: 1.2rem 1rem 1rem;
+    }
+
+    .app-confirmation__icon {
+        width: 2.75rem;
+        height: 2.75rem;
+    }
+
+    .app-confirmation__actions {
+        flex-direction: column-reverse;
+        padding: 0.9rem 1rem 1rem;
+    }
+
+    .app-confirmation__button {
+        width: 100%;
+    }
+}

Antifraude.Net/GestionaDenunciasAN/Components/Layout/MainLayout.razor

@@ -1,5 +1,5 @@
 @inherits LayoutComponentBase
-@implements IDisposable
+@implements IAsyncDisposable
 @using System.Globalization
 @inject GestionaDenunciasAN.Models.UserState userState
 @inject IHttpContextAccessor HttpContextAccessor
@@ -7,6 +7,7 @@
 @inject NavigationManager Navigation
 @inject UiBusyService Busy
 @inject ApiDenunciasClient ApiDenuncias
+@inject ILogger<MainLayout> Logger
 
 <div class="app-shell">
     <aside class="app-sidebar">
@@ -51,6 +52,7 @@
 </div>
 
 <BusyOverlay />
+<AppConfirmationDialog />
 
 <div id="blazor-error-ui">
     An unhandled error has occurred.
@@ -59,12 +61,20 @@
 </div>
 
 @code {
+    private static readonly TimeSpan GlobalLeaksHeartbeatInterval = TimeSpan.FromSeconds(30);
+    private static readonly TimeSpan GlobalLeaksIdleTimeout = TimeSpan.FromMinutes(30);
+
     private string CurrentPageTitle { get; set; } = "Portal de gestion";
     private string CurrentPageDescription { get; set; } =
         "Entrada, revision y tramitacion coordinada de denuncias y actualizaciones.";
     private string EncryptionKeyText { get; set; } = "Clave diaria: cargando...";
     private string EncryptionKeyTooltip { get; set; } = "Consultando la ultima clave diaria de cifrado activa en la API.";
     private string EncryptionKeyPillCss { get; set; } = "app-session-pill app-key-pill";
+    private readonly CancellationTokenSource _heartbeatCancellation = new();
+    private PeriodicTimer? _heartbeatTimer;
+    private Task? _heartbeatTask;
+    private bool _globalLeaksSessionClearedForIdle;
+    private DateTimeOffset _lastHeartbeatWarningAtUtc = DateTimeOffset.MinValue;
 
     private string DisplayUsername =>
         string.IsNullOrWhiteSpace(userState?.NombreUsu)
@@ -87,9 +97,58 @@
         RefreshLayoutState();
     }
 
-    public void Dispose()
+    protected override async Task OnAfterRenderAsync(bool firstRender)
+    {
+        if (!firstRender)
+        {
+            return;
+        }
+
+        try
+        {
+            await JSRuntime.InvokeVoidAsync("appGlobalLeaksActivity.start");
+        }
+        catch (JSException ex)
+        {
+            Logger.LogError(
+                ex,
+                "No se ha podido iniciar el control de actividad para la sesion GlobalLeaks.");
+            return;
+        }
+
+        _heartbeatTimer = new PeriodicTimer(GlobalLeaksHeartbeatInterval);
+        _heartbeatTask = RunGlobalLeaksHeartbeatAsync(_heartbeatCancellation.Token);
+    }
+
+    public async ValueTask DisposeAsync()
     {
         Navigation.LocationChanged -= HandleLocationChanged;
+        _heartbeatCancellation.Cancel();
+        _heartbeatTimer?.Dispose();
+
+        if (_heartbeatTask is not null)
+        {
+            try
+            {
+                await _heartbeatTask;
+            }
+            catch (OperationCanceledException)
+            {
+            }
+        }
+
+        try
+        {
+            await JSRuntime.InvokeVoidAsync("appGlobalLeaksActivity.stop");
+        }
+        catch (JSDisconnectedException)
+        {
+        }
+        catch (ObjectDisposedException)
+        {
+        }
+
+        _heartbeatCancellation.Dispose();
     }
 
     private void HandleLocationChanged(object? sender, LocationChangedEventArgs args)
@@ -134,6 +193,69 @@
         }
     }
 
+    private async Task RunGlobalLeaksHeartbeatAsync(CancellationToken cancellationToken)
+    {
+        try
+        {
+            while (_heartbeatTimer is not null &&
+                   await _heartbeatTimer.WaitForNextTickAsync(cancellationToken))
+            {
+                await InvokeAsync(() => MaintainGlobalLeaksSessionAsync(cancellationToken));
+            }
+        }
+        catch (OperationCanceledException) when (cancellationToken.IsCancellationRequested)
+        {
+        }
+        catch (ObjectDisposedException)
+        {
+        }
+    }
+
+    private async Task MaintainGlobalLeaksSessionAsync(CancellationToken cancellationToken)
+    {
+        try
+        {
+            var idleMilliseconds = await JSRuntime.InvokeAsync<double>(
+                "appGlobalLeaksActivity.getIdleMilliseconds",
+                cancellationToken);
+
+            if (idleMilliseconds >= GlobalLeaksIdleTimeout.TotalMilliseconds)
+            {
+                if (!_globalLeaksSessionClearedForIdle)
+                {
+                    await ApiDenuncias.ClearGlobalLeaksSessionAsync(cancellationToken);
+                    _globalLeaksSessionClearedForIdle = true;
+                }
+
+                return;
+            }
+
+            _globalLeaksSessionClearedForIdle = false;
+            await ApiDenuncias.KeepGlobalLeaksSessionAliveAsync(cancellationToken);
+        }
+        catch (OperationCanceledException) when (cancellationToken.IsCancellationRequested)
+        {
+        }
+        catch (JSDisconnectedException)
+        {
+        }
+        catch (UnauthorizedAccessException)
+        {
+            _heartbeatCancellation.Cancel();
+        }
+        catch (Exception ex)
+        {
+            var now = DateTimeOffset.UtcNow;
+            if (now - _lastHeartbeatWarningAtUtc >= TimeSpan.FromMinutes(5))
+            {
+                _lastHeartbeatWarningAtUtc = now;
+                Logger.LogWarning(
+                    ex,
+                    "No se ha podido ejecutar el mantenimiento de la sesion GlobalLeaks.");
+            }
+        }
+    }
+
     private static string ToSpanishDateText(string? value)
     {
         if (string.IsNullOrWhiteSpace(value))

Antifraude.Net/GestionaDenunciasAN/Components/Pages/Actualizaciones.razor

@@ -16,6 +16,7 @@
 @inject IDenunciaStore DenunciaStore
 @inject ApiDenunciasClient ApiDenuncias
 @inject UiBusyService Busy
+@inject UiDialogService Dialogs
 
 <PageTitle>Actualizaciones</PageTitle>
 
@@ -162,7 +163,21 @@ else
                      data-bs-target="#@collapseId"
                      aria-expanded="false"
                      aria-controls="@collapseId">
-                    <h5 class="mb-0">Denuncia ID: @denuncia.Id_Denuncia (Actualización)</h5>
+                    <div class="d-flex flex-wrap align-items-center gap-2">
+                        <h5 class="mb-0">Denuncia ID: @denuncia.Id_Denuncia (Actualización)</h5>
+                        @if (!string.IsNullOrWhiteSpace(denuncia.OwnerUsername))
+                        {
+                            <span class="badge @(denuncia.OwnedByCurrentUser ? "text-bg-secondary" : "text-bg-warning")">
+                                Responsable: @denuncia.OwnerUsername
+                            </span>
+                        }
+                        @if (denuncia.OwnerWorkGroups.Count > 0)
+                        {
+                            <span class="badge text-bg-light">
+                                Grupo: @string.Join(" / ", denuncia.OwnerWorkGroups)
+                            </span>
+                        }
+                    </div>
 
                     <div class="d-flex align-items-center">
                         <div class="text-muted small me-3">
@@ -703,11 +718,24 @@ else
 
     private async Task OpenEnviarAGestionaModal(DenunciasGestiona d)
     {
+        if (d.RequiresOwnerConfirmation)
+        {
+            var confirmed = await Dialogs.ConfirmAsync(
+                "Denuncia asignada a otro usuario",
+                $"La denuncia #{d.Id_Denuncia} está asignada a {d.OwnerUsername}. " +
+                "Puedes actualizarla porque pertenece a un usuario de tu grupo. La acción quedará registrada con tu usuario.",
+                "Configurar actualización");
+            if (!confirmed)
+            {
+                return;
+            }
+        }
+
         selectedDenuncias = d;
         nuevoAsunto = string.IsNullOrWhiteSpace(d.NombreDenuncia) ? $"Denuncia-{d.Id_Denuncia}-CD" : d.NombreDenuncia;
         nombreDocumentos = "";
         selectedThirdParty = ThirdPartyIdentityData.FromComplaint(d);
-        selectedGroup = NormalizeUpdateGroup(selectedGroup);
+        selectedGroup = NormalizeUpdateGroup(d.UltimoGrupoAsignadoGestiona);
         operationError = string.Empty;
         operationNotice = string.Empty;
 
@@ -817,12 +845,19 @@ else
             return;
         }
 
+        if (!await ConfirmSelectedGroupAsync())
+        {
+            return;
+        }
+
         try
         {
             isUploading = true;
             operationError = string.Empty;
             operationNotice = string.Empty;
             selectedGroup = NormalizeUpdateGroup(selectedGroup);
+            var pendingUpdateSource = selectedDenuncias.PendingUpdateSource;
+            var uploadType = GetUpdateUploadType(pendingUpdateSource, selectedGroup);
             using var busy = Busy.Show(
                 "Enviando actualizacion",
                 "Preparando expediente, carpeta de actualizacion y documentos.");
@@ -1008,7 +1043,8 @@ else
                     documentoParaTramitar,
                     selectedGroup,
                     selectedDenuncias.Id_Denuncia,
-                    isUpdate: true);
+                    isUpdate: true,
+                    updateSource: pendingUpdateSource);
             }
 
             foreach (var orig in nombresOriginalesSubidos)
@@ -1030,13 +1066,14 @@ else
             selectedDenuncias.EsActualizacion = false;
             selectedDenuncias.NombreDenuncia = nuevoAsunto;
             selectedDenuncias.FechaSubidaAGestiona = ahoraUtc;
-            selectedDenuncias.UltimaSubidaGestionaTipo = "Actualización";
+            selectedDenuncias.UltimaSubidaGestionaTipo = uploadType;
             selectedDenuncias.UltimoGrupoAsignadoGestiona = GetGestionaGroupDisplay(selectedGroup);
+            selectedDenuncias.PendingUpdateSource = string.Empty;
             await SincronizarExpedienteGestionaAsync(selectedDenuncias, fileUrl);
             await ActualizarDenunciaAsync(selectedDenuncias);
             var historialAviso = await RegistrarHistorialGestionaAsync(
                 selectedDenuncias,
-                "Actualización",
+                uploadType,
                 selectedGroup,
                 ahoraUtc,
                 string.Join("; ", nombresFinalesSubidos));
@@ -1331,13 +1368,53 @@ else
     }
 
     private static string NormalizeUpdateGroup(string? groupCode)
-        => groupCode == "510" ? "510" : "600";
+        => groupCode?.Trim().StartsWith("510", StringComparison.Ordinal) == true
+            ? "510"
+            : "600";
 
     private static string GetGestionaGroupDisplay(string? groupCode)
     {
         return string.IsNullOrWhiteSpace(groupCode) ? string.Empty : groupCode.Trim();
     }
 
+    private static string GetUpdateUploadType(string? updateSource, string groupCode)
+    {
+        if (!ComplaintUpdateSources.IsReceiver(updateSource))
+        {
+            return "Actualización";
+        }
+
+        return NormalizeUpdateGroup(groupCode) == "510"
+            ? "Comunic. SDI a denunciante"
+            : "Comunic. SAJ a denunciante";
+    }
+
+    private async Task<bool> ConfirmSelectedGroupAsync()
+    {
+        try
+        {
+            var currentGroups = await ApiDenuncias.GetCurrentUserWorkGroupsAsync();
+            if (currentGroups.GroupCodes.Contains(selectedGroup, StringComparer.OrdinalIgnoreCase))
+            {
+                return true;
+            }
+
+            var configuredGroups = currentGroups.GroupCodes.Count == 0
+                ? "ningún grupo"
+                : string.Join(", ", currentGroups.GroupCodes);
+            return await Dialogs.ConfirmAsync(
+                "Cambio de asignación en Gestiona",
+                $"El grupo de destino {selectedGroup} no pertenece a tus grupos configurados ({configuredGroups}). " +
+                "Si continúas, la denuncia cambiará su asignación en Gestiona a un grupo distinto de los tuyos.",
+                "Cambiar asignación");
+        }
+        catch (Exception ex)
+        {
+            operationError = $"No se han podido comprobar tus grupos antes de la subida: {ex.Message}";
+            return false;
+        }
+    }
+
     private async Task<string?> RegistrarHistorialGestionaAsync(
         DenunciasGestiona denuncia,
         string tipoSubida,

Antifraude.Net/GestionaDenunciasAN/Components/Pages/Configuracion.razor

@@ -4,6 +4,7 @@
 
 @using System.Globalization
 @using GestionaDenunciasAN.Services
+@using GestionaDenuncias.Shared.Models
 @using Microsoft.AspNetCore.Components.Authorization
 
 @inject ApiDenunciasClient ApiDenuncias
@@ -95,6 +96,104 @@ else
     </div>
 </div>
 
+<div class="card mt-3">
+    <div class="card-body">
+        <div class="d-flex flex-wrap justify-content-between align-items-center gap-2 mb-3">
+            <div>
+                <h5 class="mb-1">Grupos de trabajo</h5>
+                <p class="text-muted mb-0">
+                    Los usuarios pueden consultar y tratar denuncias de otros propietarios cuando comparten al menos un grupo.
+                </p>
+            </div>
+            <button type="button"
+                    class="btn btn-outline-secondary btn-sm"
+                    disabled="@isLoadingWorkGroups"
+                    @onclick="LoadWorkGroupsAsync">
+                Actualizar usuarios
+            </button>
+        </div>
+
+        @if (isLoadingWorkGroups)
+        {
+            <div class="text-muted">
+                <span class="spinner-border spinner-border-sm me-2" role="status" aria-hidden="true"></span>
+                Cargando usuarios y grupos...
+            </div>
+        }
+        else if (workGroupAdministration is null)
+        {
+            <div class="alert alert-warning mb-0">No se ha podido cargar la configuracion de grupos.</div>
+        }
+        else
+        {
+            <div class="table-responsive">
+                <table class="table table-sm align-middle mb-0">
+                    <thead>
+                        <tr>
+                            <th>Usuario</th>
+                            @foreach (var group in workGroupAdministration.Groups)
+                            {
+                                <th>
+                                    <span class="d-block">@group.Code</span>
+                                    <small class="text-muted fw-normal">@group.Name</small>
+                                </th>
+                            }
+                            <th class="text-end">Accion</th>
+                        </tr>
+                    </thead>
+                    <tbody>
+                        @foreach (var user in workGroupAdministration.Users)
+                        {
+                            <tr @key="user.UserId">
+                                <td>
+                                    <strong>@user.Username</strong>
+                                    @if (!GetSelectedGroups(user.UserId).Any())
+                                    {
+                                        <span class="badge text-bg-warning ms-2">Sin grupo</span>
+                                    }
+                                </td>
+                                @foreach (var group in workGroupAdministration.Groups)
+                                {
+                                    var checkboxId = $"user-group-{user.UserId}-{group.Code}";
+                                    <td>
+                                        <div class="form-check">
+                                            <input id="@checkboxId"
+                                                   class="form-check-input"
+                                                   type="checkbox"
+                                                   checked="@GetSelectedGroups(user.UserId).Contains(group.Code)"
+                                                   disabled="@savingWorkGroupUsers.Contains(user.UserId)"
+                                                   @onchange="args => ToggleUserGroup(user.UserId, group.Code, args)" />
+                                            <label class="form-check-label" for="@checkboxId">@group.Code</label>
+                                        </div>
+                                    </td>
+                                }
+                                <td class="text-end">
+                                    <button type="button"
+                                            class="btn btn-primary btn-sm"
+                                            disabled="@savingWorkGroupUsers.Contains(user.UserId)"
+                                            @onclick="() => SaveUserGroupsAsync(user)">
+                                        @(savingWorkGroupUsers.Contains(user.UserId) ? "Guardando..." : "Guardar")
+                                    </button>
+                                </td>
+                            </tr>
+                        }
+                    </tbody>
+                </table>
+            </div>
+        }
+
+        @if (!string.IsNullOrWhiteSpace(workGroupNotice))
+        {
+            <div class="alert alert-success mt-3 mb-0">@workGroupNotice</div>
+        }
+
+        @if (!string.IsNullOrWhiteSpace(workGroupError))
+        {
+            <div class="alert alert-danger mt-3 mb-0">@workGroupError</div>
+        }
+    </div>
+</div>
+
 <div class="card mt-3">
     <div class="card-body">
         <h5 class="mb-3">Purga manual con reemplazo</h5>
@@ -223,6 +322,12 @@ else
     private string? configurationNotice;
     private string? configurationError;
     private bool isSavingConfiguration;
+    private WorkGroupAdministrationDto? workGroupAdministration;
+    private readonly Dictionary<long, HashSet<string>> selectedWorkGroups = [];
+    private readonly HashSet<long> savingWorkGroupUsers = [];
+    private bool isLoadingWorkGroups;
+    private string? workGroupNotice;
+    private string? workGroupError;
 
     private string confirmation = string.Empty;
     private bool acceptedRisk;
@@ -246,6 +351,7 @@ else
         }
 
         await LoadConfigurationAsync();
+        await LoadWorkGroupsAsync();
     }
 
     private async Task LoadConfigurationAsync()
@@ -297,6 +403,98 @@ else
         await SaveExternalUpdateCutoffDateAsync();
     }
 
+    private async Task LoadWorkGroupsAsync()
+    {
+        try
+        {
+            isLoadingWorkGroups = true;
+            workGroupError = null;
+            var response = await ApiDenuncias.GetWorkGroupAdministrationAsync();
+            ApplyWorkGroupAdministration(response);
+        }
+        catch (Exception ex)
+        {
+            workGroupError = $"No se han podido cargar los grupos de trabajo: {ex.Message}";
+        }
+        finally
+        {
+            isLoadingWorkGroups = false;
+        }
+    }
+
+    private void ApplyWorkGroupAdministration(WorkGroupAdministrationDto response)
+    {
+        workGroupAdministration = response;
+        selectedWorkGroups.Clear();
+        foreach (var user in response.Users)
+        {
+            selectedWorkGroups[user.UserId] = user.GroupCodes.ToHashSet(
+                StringComparer.OrdinalIgnoreCase);
+        }
+    }
+
+    private HashSet<string> GetSelectedGroups(long userId)
+    {
+        if (!selectedWorkGroups.TryGetValue(userId, out var groups))
+        {
+            groups = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
+            selectedWorkGroups[userId] = groups;
+        }
+
+        return groups;
+    }
+
+    private void ToggleUserGroup(
+        long userId,
+        string groupCode,
+        ChangeEventArgs args)
+    {
+        var groups = GetSelectedGroups(userId);
+        var enabled = args.Value is bool boolValue
+            ? boolValue
+            : bool.TryParse(args.Value?.ToString(), out var parsed) && parsed;
+
+        if (enabled)
+        {
+            groups.Add(groupCode);
+        }
+        else
+        {
+            groups.Remove(groupCode);
+        }
+    }
+
+    private async Task SaveUserGroupsAsync(UserWorkGroupDto user)
+    {
+        var groups = GetSelectedGroups(user.UserId);
+        if (groups.Count == 0)
+        {
+            workGroupNotice = null;
+            workGroupError = $"El usuario {user.Username} debe pertenecer al menos a un grupo.";
+            return;
+        }
+
+        try
+        {
+            savingWorkGroupUsers.Add(user.UserId);
+            workGroupNotice = null;
+            workGroupError = null;
+            var response = await ApiDenuncias.UpdateUserWorkGroupsAsync(
+                user.Username,
+                groups.OrderBy(code => code, StringComparer.Ordinal).ToArray());
+            ApplyWorkGroupAdministration(response);
+            workGroupNotice = $"Grupos de {user.Username} actualizados correctamente.";
+        }
+        catch (Exception ex)
+        {
+            workGroupError = $"No se han podido guardar los grupos de {user.Username}: {ex.Message}";
+        }
+        finally
+        {
+            savingWorkGroupUsers.Remove(user.UserId);
+        }
+    }
+
     private static string? ToIsoDateText(string? value)
     {
         if (string.IsNullOrWhiteSpace(value))

Antifraude.Net/GestionaDenunciasAN/Components/Pages/Entrada.razor

@@ -9,6 +9,7 @@
 @inject ApiDenunciasClient ApiDenuncias
 @inject IJSRuntime JSRuntime
 @inject UiBusyService Busy
+@inject UiDialogService Dialogs
 
 <PageTitle>Entrada de denuncias</PageTitle>
 
@@ -122,6 +123,9 @@
 
     .inbox-activity-cell {
         width: 9.25rem;
+        max-width: 12rem;
+        overflow: hidden;
+        text-overflow: ellipsis;
     }
 
     .inbox-action-cell {
@@ -226,6 +230,7 @@
                                 <option value="all">Todas</option>
                                 <option value="new">Nuevas / sin leer</option>
                                 <option value="updated">Actualizaciones del ciudadano</option>
+                                <option value="receiver">Actividad OAAF</option>
                             </select>
                         </div>
 
@@ -310,12 +315,12 @@
                                     <th>#</th>
                                     <th>Canal</th>
                                     <th>Presentacion</th>
-                                    <th>Actividad ciudadano</th>
-                                    <th>Actividad OAAF</th>
-                                    <th>Estado</th>
-                                    <th>Acceso</th>
-                                    <th>Seguimiento</th>
-                                    <th class="inbox-action-cell">Detalle</th>
+                                    <th title="Fecha de la última aportación o comentario realizado por el ciudadano.">Actividad ciudadano</th>
+                                    <th title="Fecha de la última comunicación o fichero incorporado por un gestor de la OAAF.">Actividad OAAF</th>
+                                    <th title="Resume si la denuncia es nueva, tiene cambios pendientes o ya está actualizada en Gestiona.">Estado</th>
+                                    <th title="Indica si tu usuario gestor del buzón puede acceder a esta denuncia.">Acceso</th>
+                                    <th title="Indica si el cambio está pendiente, descargado en la aplicación o ya incorporado a Gestiona.">Gestiona</th>
+                                    <th class="inbox-action-cell" title="Abre el detalle disponible en GlobalLeaks.">Detalle</th>
                                  </tr>
                             </thead>
                             <tbody>
@@ -355,19 +360,19 @@
                                             <td class="inbox-channel-cell" title="@(report.ContextName ?? report.ContextId ?? string.Empty)"><span class="d-inline-block text-truncate">@(report.ContextName ?? report.ContextId ?? "-")</span></td>
                                             <td>@FormatDate(report.CreationDate)</td>
                                             <td class="inbox-activity-cell">@FormatCitizenActivity(report)</td>
-                                            <td class="inbox-activity-cell">@FormatReceiverActivity(report)</td>
+                                            <td class="inbox-activity-cell" title="@GetReceiverActivityTitle(report)">@FormatReceiverActivity(report)</td>
                                             <td>
-                                                <span class="badge @GetStatusBadgeCss(report)">
+                                                <span class="badge @GetStatusBadgeCss(report)" title="@GetStatusHelp(report)">
                                                     @GetStatusLabel(report)
                                                  </span>
                                              </td>
                                             <td>
-                                                <span class="badge @GetAccessBadgeCss(report)">
+                                                <span class="badge @GetAccessBadgeCss(report)" title="@GetAccessHelp(report)">
                                                     @GetAccessLabel(report)
                                                 </span>
                                             </td>
-                                            <td class="inbox-tracking-cell" title="@(report.TrackingNote ?? string.Empty)">
-                                                <span class="badge @GetTrackingBadgeCss(report)">@GetTrackingLabel(report)</span>
+                                            <td class="inbox-tracking-cell">
+                                                <span class="badge @GetTrackingBadgeCss(report)" title="@GetTrackingHelp(report)">@GetTrackingLabel(report)</span>
                                             </td>
                                             <td class="inbox-action-cell">
                                                 <button type="button"
@@ -432,7 +437,7 @@
                             {
                                 <div class="border rounded p-3 mb-2 @(comment.IsNew ? "border-success bg-success-subtle" : "bg-light")">
                                     <div class="d-flex flex-column flex-md-row justify-content-between gap-2 small text-muted mb-2">
-                                        <strong>@GetCommentAuthorLabel(comment.Type)</strong>
+                                        <strong>@GetCommentAuthorLabel(comment)</strong>
                                         <span>@FormatDate(comment.CreationDate)</span>
                                     </div>
                                     @if (comment.IsNew)
@@ -482,6 +487,10 @@
                                         <span class="small text-muted">@FormatDate(file.CreationDate)</span>
                                     </div>
                                     <div class="small text-muted">@FormatBytes(file.Size) @(string.IsNullOrWhiteSpace(file.ContentType) ? string.Empty : $" - {file.ContentType}")</div>
+                                    @if (!string.IsNullOrWhiteSpace(file.AuthorName))
+                                    {
+                                        <div class="small text-muted">Añadido por @file.AuthorName</div>
+                                    }
                                     @if (file.IsNew)
                                     {
                                         <span class="badge bg-success mt-2">Nuevo</span>
@@ -703,6 +712,37 @@
             return;
         }
 
+        var selectedReports = Reports
+            .Where(report => SelectedIds.Contains(report.Id))
+            .Where(CanUseReport)
+            .OrderBy(report => report.Progressive ?? 0)
+            .ToList();
+
+        if (selectedReports.Count == 0)
+        {
+            SetStatus("No hay denuncias accesibles seleccionadas para importar.", "alert-warning");
+            return;
+        }
+
+        var reportsFromOtherOwners = selectedReports
+            .Where(report => report.RequiresOwnerConfirmation)
+            .ToArray();
+        if (reportsFromOtherOwners.Length > 0)
+        {
+            var ownerSummary = string.Join(
+                Environment.NewLine,
+                reportsFromOtherOwners.Select(report =>
+                    $"Denuncia #{report.Progressive ?? 0}: propiedad de {report.OwnerUsername}."));
+            var confirmed = await Dialogs.ConfirmAsync(
+                "Denuncias asignadas a otros usuarios",
+                $"Vas a importar denuncias asignadas a otros usuarios de tu grupo:{Environment.NewLine}{Environment.NewLine}{ownerSummary}{Environment.NewLine}{Environment.NewLine}La importación quedará registrada con tu usuario.",
+                "Importar denuncias");
+            if (!confirmed)
+            {
+                return;
+            }
+        }
+
         ImportBusy = true;
         var importedCount = 0;
         var errors = new List<string>();
@@ -710,18 +750,6 @@
 
         try
         {
-            var selectedReports = Reports
-                .Where(report => SelectedIds.Contains(report.Id))
-                .Where(CanUseReport)
-                .OrderBy(report => report.Progressive ?? 0)
-                .ToList();
-
-            if (selectedReports.Count == 0)
-            {
-                SetStatus("No hay denuncias accesibles seleccionadas para importar.", "alert-warning");
-                return;
-            }
-
             using var busy = Busy.Show(
                 "Importando denuncias",
                 $"Descargando y procesando {selectedReports.Count} denuncia(s) desde GlobalLeaks.",
@@ -739,7 +767,10 @@
 
                 try
                 {
-                    var result = await ApiDenuncias.ImportReportAsync(report, CancellationToken.None);
+                    var result = await ApiDenuncias.ImportReportAsync(
+                        report,
+                        report.RequiresOwnerConfirmation,
+                        CancellationToken.None);
                     importedCount += result.ImportedCount;
                     errors.AddRange(result.Errors.Select(error => $"#{report.Progressive ?? 0}: {error}"));
                     if (result.Warnings is not null)
@@ -898,7 +929,10 @@
         filtered = Filter switch
         {
             "new" => filtered.Where(report => string.IsNullOrWhiteSpace(report.AccessDate) || string.Equals(report.Status, "new", StringComparison.OrdinalIgnoreCase)),
-            "updated" => filtered.Where(report => report.CitizenHasNewActivity || report.Updated),
+            "updated" => filtered.Where(report =>
+                report.CitizenHasNewActivity ||
+                (!report.ActivityAnalyzed && report.Updated)),
+            "receiver" => filtered.Where(report => report.ReceiverHasNewActivity),
             _ => filtered
         };
 
@@ -1144,7 +1178,9 @@
         var receiverDate = FormatOptionalDate(report.ReceiverLastActivity);
         if (!string.IsNullOrWhiteSpace(receiverDate))
         {
-            return receiverDate;
+            return string.IsNullOrWhiteSpace(report.ReceiverLastActivityAuthorName)
+                ? receiverDate
+                : $"{receiverDate} · {report.ReceiverLastActivityAuthorName}";
         }
 
         if (!report.ActivityAnalyzed)
@@ -1155,6 +1191,16 @@
         return "Sin actividad";
     }
 
+    private static string GetReceiverActivityTitle(ReportDto report)
+    {
+        if (string.IsNullOrWhiteSpace(report.ReceiverLastActivityAuthorName))
+        {
+            return FormatReceiverActivity(report);
+        }
+
+        return $"Ultima actividad OAAF realizada por {report.ReceiverLastActivityAuthorName}.";
+    }
+
     private static string FormatBytes(long? value)
     {
         if (value is null or <= 0)
@@ -1176,11 +1222,13 @@
         return $"{bytes / 1024d / 1024d:0.#} MB";
     }
 
-    private static string GetCommentAuthorLabel(string? type)
-        => IsWhistleblowerActivityType(type)
+    private static string GetCommentAuthorLabel(ReportCommentDto comment)
+        => IsWhistleblowerActivityType(comment.Type)
             ? "Denunciante"
-            : IsReceiverActivityType(type)
-                ? "Receptor"
+            : IsReceiverActivityType(comment.Type)
+                ? string.IsNullOrWhiteSpace(comment.AuthorName)
+                    ? "Gestor OAAF"
+                    : $"Gestor OAAF: {comment.AuthorName}"
                 : "Comentario";
 
     private static bool IsWhistleblowerActivityType(string? value)
@@ -1236,7 +1284,7 @@
 
         if (report.CitizenHasNewActivity)
         {
-            return "Actualizacion ciudadano";
+            return "Actualización ciudadano";
         }
 
         if (IsReceiverOnlyUpdate(report))
@@ -1244,14 +1292,19 @@
             return "Actividad OAAF";
         }
 
-        if (report.Updated)
+        if (report.AlreadyInGestiona && !report.ActivityAnalyzed)
+        {
+            return "Sin comprobar";
+        }
+
+        if (IsUpToDateInGestiona(report))
         {
             return "Actualizada";
         }
 
         return string.Equals(report.Status, "closed", StringComparison.OrdinalIgnoreCase)
             ? "Cerrada"
-            : "Abierta";
+            : "Nueva denuncia";
     }
 
     private static string GetStatusBadgeCss(ReportDto report)
@@ -1271,7 +1324,12 @@
             return "bg-secondary";
         }
 
-        if (report.Updated)
+        if (report.AlreadyInGestiona && !report.ActivityAnalyzed)
+        {
+            return "bg-warning text-dark";
+        }
+
+        if (IsUpToDateInGestiona(report))
         {
             return "bg-light text-dark";
         }
@@ -1281,6 +1339,47 @@
             : "bg-primary";
     }
 
+    private static bool IsUpToDateInGestiona(ReportDto report)
+    {
+        if (!report.AlreadyInGestiona)
+        {
+            return false;
+        }
+
+        var lastUpload = ParseDate(report.LastGestionaUploadAt);
+        var latestActivity = new[]
+            {
+                ParseDate(report.CitizenLastActivity),
+                ParseDate(report.ReceiverLastActivity)
+            }
+            .Where(value => value is not null)
+            .Select(value => value!.Value)
+            .DefaultIfEmpty()
+            .Max();
+
+        if (lastUpload is not null && latestActivity != default)
+        {
+            return lastUpload.Value >= latestActivity;
+        }
+
+        return report.ActivityAnalyzed &&
+               !report.CitizenHasNewActivity &&
+               !report.ReceiverHasNewActivity;
+    }
+
+    private static string GetStatusHelp(ReportDto report)
+        => GetStatusLabel(report) switch
+        {
+            "Nueva denuncia" => "La denuncia todavía no tiene expediente creado desde la aplicación y está pendiente de actuación.",
+            "Actualización ciudadano" => "El ciudadano ha añadido un comentario, un fichero o una modificación posterior a la última subida a Gestiona.",
+            "Actividad OAAF" => "Un gestor de la OAAF ha realizado una comunicación o añadido un fichero posterior a la última subida a Gestiona.",
+            "Actualizada" => "La última subida a Gestiona es igual o posterior a la actividad del ciudadano y de la OAAF detectada en el buzón.",
+            "Sin comprobar" => "No se ha podido comparar en este momento la actividad del buzón con la última subida a Gestiona.",
+            "Cerrada" => "La denuncia figura cerrada en GlobalLeaks.",
+            "Sin leer" => "La denuncia todavía no se ha abierto con este usuario en GlobalLeaks.",
+            _ => string.Empty
+        };
+
     private static string GetAccessLabel(ReportDto report)
         => report.Accessible switch
         {
@@ -1297,8 +1396,16 @@
             _ => "bg-light text-dark"
         };
 
+    private static string GetAccessHelp(ReportDto report)
+        => report.Accessible switch
+        {
+            true => "Tu usuario gestor del buzón tiene acceso a esta denuncia.",
+            false => "GlobalLeaks indica que tu usuario gestor del buzón no tiene acceso a esta denuncia.",
+            _ => "GlobalLeaks no ha informado si tu usuario puede acceder a esta denuncia."
+        };
+
     private static bool CanUseReport(ReportDto report)
-        => report.Accessible != false && !IsReceiverOnlyUpdate(report);
+        => report.Accessible != false;
 
     private static bool IsReceiverOnlyUpdate(ReportDto report)
         => report.AlreadyInGestiona &&
@@ -1313,11 +1420,6 @@
             return "GlobalLeaks indica que esta denuncia no es accesible para este usuario.";
         }
 
-        if (IsReceiverOnlyUpdate(report))
-        {
-            return "La actividad nueva procede de OAAF/gestor; no se importa como actualizacion del ciudadano.";
-        }
-
         return null;
     }
 
@@ -1328,11 +1430,6 @@
             return "GlobalLeaks indica que esta denuncia no es accesible para este usuario.";
         }
 
-        if (IsReceiverOnlyUpdate(report))
-        {
-            return "Actividad interna detectada; puedes consultar el detalle, pero no importarla como actualizacion.";
-        }
-
         return "Consulta mensajes y ficheros. GlobalLeaks puede marcar la denuncia como leida.";
     }
 
@@ -1386,6 +1483,35 @@
         return "bg-light text-dark";
     }
 
+    private static string GetTrackingHelp(ReportDto report)
+    {
+        if (report.AlreadyInGestiona)
+        {
+            return "La denuncia ya tiene un expediente creado en Gestiona. El estado indica si existe actividad posterior pendiente.";
+        }
+
+        if (report.DownloadedByAnotherUser)
+        {
+            return string.IsNullOrWhiteSpace(report.TrackingNote)
+                ? "Otro usuario ya la descargó en la aplicación, pero todavía no se ha materializado la subida a Gestiona."
+                : $"{report.TrackingNote}. Todavía no se ha materializado la subida a Gestiona.";
+        }
+
+        if (report.DownloadedByCurrentUser)
+        {
+            return string.IsNullOrWhiteSpace(report.TrackingNote)
+                ? "Ya la descargaste en la aplicación, pero todavía no se ha materializado la subida a Gestiona."
+                : $"{report.TrackingNote}. Todavía no se ha materializado la subida a Gestiona.";
+        }
+
+        if (report.AlreadyImported)
+        {
+            return "La denuncia está incorporada a la aplicación, pero todavía no se ha subido a Gestiona.";
+        }
+
+        return "La denuncia todavía no se ha descargado ni subido a Gestiona.";
+    }
+
     private static string? GetReportRowCss(ReportDto report)
     {
         if (report.Accessible == false)
@@ -1395,7 +1521,7 @@
 
         if (IsReceiverOnlyUpdate(report))
         {
-            return "table-secondary report-row-disabled";
+            return "table-secondary";
         }
 
         if (report.AlreadyInGestiona)

Antifraude.Net/GestionaDenunciasAN/Components/Pages/Gestiona.razor

@@ -114,28 +114,28 @@ else
                 <div class="card-header" data-bs-toggle="collapse" data-bs-target="#@collapseId" aria-expanded="false" aria-controls="@collapseId">
                     <h5 class="mb-0">Denuncia ID: @denuncia.Id_Denuncia</h5>
                     <div class="header-info">
-                        <span><strong>Asunto:</strong> @GetHeaderSubject(denuncia, latestHistory)</span>
+                        <span title="Asunto con el que se identifica el expediente en Gestiona."><strong>Asunto:</strong> @GetHeaderSubject(denuncia, latestHistory)</span>
                         @if (!string.IsNullOrWhiteSpace(denuncia.ExpedienteGestionaMostrable))
                         {
-                            <span><strong>Nº expediente:</strong> @denuncia.ExpedienteGestionaMostrable</span>
+                            <span title="Número asignado al expediente por Gestiona."><strong>Nº expediente:</strong> @denuncia.ExpedienteGestionaMostrable</span>
                         }
                         @if (!string.IsNullOrWhiteSpace(GetUploadType(denuncia, latestHistory)))
                         {
-                            <span><strong>Última subida:</strong> @GetUploadType(denuncia, latestHistory)</span>
+                            <span title="Tipo de la última operación enviada desde la aplicación a Gestiona."><strong>Última subida:</strong> @GetUploadType(denuncia, latestHistory)</span>
                         }
                         @if (!string.IsNullOrWhiteSpace(GetAssignedGroup(denuncia, latestHistory)))
                         {
-                            <span><strong>Grupo asignado:</strong> @FormatGroupCode(GetAssignedGroup(denuncia, latestHistory))</span>
+                            <span title="Grupo al que quedó asignado el expediente tras la última subida."><strong>Asignación en Gestiona:</strong> @FormatGroupCode(GetAssignedGroup(denuncia, latestHistory))</span>
                         }
                         @if (!string.IsNullOrWhiteSpace(GetUploadUser(latestHistory)))
                         {
-                            <span><strong>Usuario subida:</strong> @GetUploadUser(latestHistory)</span>
+                            <span title="Usuario de la aplicación que realizó la última subida."><strong>Usuario subida:</strong> @GetUploadUser(latestHistory)</span>
                         }
-                        <span><strong>Fecha de Subida:</strong> @FormatUploadDate(uploadMoment)</span>
-                        <span><strong>Hora de Subida:</strong> @FormatUploadTime(uploadMoment)</span>
+                        <span title="Fecha de la última operación enviada a Gestiona."><strong>Fecha de Subida:</strong> @FormatUploadDate(uploadMoment)</span>
+                        <span title="Hora local de la última operación enviada a Gestiona."><strong>Hora de Subida:</strong> @FormatUploadTime(uploadMoment)</span>
                         @if (!string.IsNullOrWhiteSpace(GetAuditDateText(denuncia)))
                         {
-                            <span><strong>Última actividad Gestiona:</strong> @GetAuditDateText(denuncia)</span>
+                            <span title="Último movimiento registrado en la auditoría del expediente de Gestiona."><strong>Última actividad Gestiona:</strong> @GetAuditDateText(denuncia)</span>
                         }
                     </div>
                 </div>
@@ -331,16 +331,16 @@ else
                 <div class="card-header">
                     <h5 class="mb-0">Denuncia ID: @item.DenunciaId</h5>
                     <div class="header-info">
-                        <span><strong>Asunto:</strong> @DisplayOrDash(item.Asunto)</span>
-                        <span><strong>Nº expediente:</strong> @DisplayOrDash(item.CodigoExpedienteGestiona)</span>
-                        <span><strong>Última subida:</strong> @DisplayOrDash(item.TipoSubida)</span>
-                        <span><strong>Grupo asignado:</strong> @DisplayOrDash(FormatGroupCode(item.GrupoAsignado))</span>
+                        <span title="Asunto con el que se identifica el expediente en Gestiona."><strong>Asunto:</strong> @DisplayOrDash(item.Asunto)</span>
+                        <span title="Número asignado al expediente por Gestiona."><strong>Nº expediente:</strong> @DisplayOrDash(item.CodigoExpedienteGestiona)</span>
+                        <span title="Tipo de la última operación enviada desde la aplicación a Gestiona."><strong>Última subida:</strong> @DisplayOrDash(item.TipoSubida)</span>
+                        <span title="Grupo al que quedó asignado el expediente tras la última subida."><strong>Asignación en Gestiona:</strong> @DisplayOrDash(FormatGroupCode(item.GrupoAsignado))</span>
                         @if (!string.IsNullOrWhiteSpace(GetUploadUser(item)))
                         {
-                            <span><strong>Usuario subida:</strong> @GetUploadUser(item)</span>
+                            <span title="Usuario de la aplicación que realizó la última subida."><strong>Usuario subida:</strong> @GetUploadUser(item)</span>
                         }
-                        <span><strong>Fecha de Subida:</strong> @FormatUploadDate(uploadMoment)</span>
-                        <span><strong>Hora de Subida:</strong> @FormatUploadTime(uploadMoment)</span>
+                        <span title="Fecha de la última operación enviada a Gestiona."><strong>Fecha de Subida:</strong> @FormatUploadDate(uploadMoment)</span>
+                        <span title="Hora local de la última operación enviada a Gestiona."><strong>Hora de Subida:</strong> @FormatUploadTime(uploadMoment)</span>
                         <span class="text-muted">Detalle no disponible por purga criptográfica.</span>
                     </div>
                 </div>

Antifraude.Net/GestionaDenunciasAN/Components/Pages/Instrucciones.razor

@@ -56,7 +56,7 @@
                         <li>Abre la denuncia para revisar sus datos y adjuntos.</li>
                         <li>En la lista de ficheros, deja marcado solo lo que quieras subir.</li>
                         <li>El report de la denuncia se sube siempre y no se puede desmarcar.</li>
-                        <li>Pulsa <strong>Configurar subida</strong> para indicar asunto, grupo destino y modo de subida.</li>
+                        <li>Pulsa <strong>Configurar apertura expediente</strong> para indicar asunto, grupo destino y modo de subida.</li>
                         <li>Confirma para crear el expediente, vincular el tercero y subir los documentos a Gestiona.</li>
                         <li>Si la denuncia no procede, usa <strong>Rechazar denuncia</strong> e indica el motivo.</li>
                     </ul>
@@ -67,15 +67,15 @@
         <div class="col-12 col-xl-6">
             <div class="card h-100">
                 <div class="card-body">
-                    <h2 class="h5">Modal de subida a Gestiona</h2>
+                    <h2 class="h5">Ventana de configuración de la subida</h2>
                     <p>
-                        Antes de confirmar la subida, revisa estos puntos:
+                        Al configurar un expediente nuevo o una actualización, revisa estos puntos antes de confirmar:
                     </p>
                     <ul class="mb-0">
-                        <li><strong>Asunto</strong>: texto que identificara el expediente/documentos en Gestiona.</li>
-                        <li><strong>Grupo destino</strong>: unidad a la que se asignara el expediente.</li>
+                        <li><strong>Asunto</strong>: texto que identifica el expediente en Gestiona. En las actualizaciones se muestra en modo de solo lectura.</li>
+                        <li><strong>Grupo destino</strong>: grupo al que quedará asignado el expediente en Gestiona.</li>
                         <li><strong>Modo de subida</strong>: puedes unir adjuntos en un PDF o subirlos de forma independiente.</li>
-                        <li><strong>Tercero</strong>: la app lo rellena desde la denuncia. Si es anonima, se usa el tercero anonimo configurado.</li>
+                        <li><strong>Tercero</strong>: la aplicación lo completa con los datos de la denuncia. Si es anónima, se utiliza el tercero anónimo configurado.</li>
                         <li><strong>Expedientes del tercero</strong>: puedes consultarlos antes de confirmar si necesitas contexto.</li>
                     </ul>
                 </div>
@@ -87,14 +87,15 @@
                 <div class="card-body">
                     <h2 class="h5">Actualizaciones</h2>
                     <p>
-                        Esta pantalla recoge comunicaciones o adjuntos nuevos sobre denuncias que ya tienen expediente en Gestiona.
+                        Esta pantalla recoge comentarios, comunicaciones o adjuntos nuevos sobre denuncias que ya tienen expediente en Gestiona.
                     </p>
                     <ul class="mb-0">
                         <li>Revisa la actualizacion y sus ficheros.</li>
                         <li>La app propone los adjuntos que parecen nuevos.</li>
                         <li>Puedes desmarcar los adjuntos que no quieras subir.</li>
                         <li>El report de la actualizacion se mantiene obligatorio.</li>
-                        <li>Confirma la subida para a<EFBFBD>adir los nuevos documentos al expediente existente.</li>
+                        <li>Pulsa <strong>Configurar actualización expediente</strong> y confirma para añadir el cambio al expediente existente.</li>
+                        <li>Si la actividad procede de la OAAF, la aplicación utiliza el aviso correspondiente al grupo SAJ o SDI.</li>
                     </ul>
                 </div>
             </div>
@@ -105,12 +106,12 @@
                 <div class="card-body">
                     <h2 class="h5">Gestiona</h2>
                     <p>
-                        Aqui se consultan las denuncias que ya se han enviado a Gestiona.
+                        Aquí se almacena el histórico permanente de los movimientos enviados desde esta aplicación a Gestiona.
                     </p>
                     <ul class="mb-0">
-                        <li>Comprueba el numero de expediente y la fecha de envio.</li>
-                        <li>Accede al enlace del expediente cuando necesites revisar la tramitacion en Gestiona.</li>
-                        <li>Usa esta pantalla como seguimiento de lo que ya salio de Pendientes o Actualizaciones.</li>
+                        <li>Comprueba el número de expediente, el tipo de subida, el usuario que la realizó y la asignación en Gestiona.</li>
+                        <li>Despliega una operación del día para consultar sus datos y documentos mientras estén disponibles.</li>
+                        <li>Por requisitos de seguridad ENS, los detalles sensibles de días anteriores dejan de estar disponibles; la cabecera operativa y la trazabilidad permanecen visibles.</li>
                     </ul>
                 </div>
             </div>
@@ -121,7 +122,7 @@
                 <div class="card-body">
                     <h2 class="h5">Rechazados</h2>
                     <p>
-                        Aqui quedan las denuncias que se han descartado desde Pendientes.
+                        Aquí quedan las denuncias o actualizaciones que no se han subido a Gestiona porque se descartaron desde la pantalla de trabajo.
                     </p>
                     <ul class="mb-0">
                         <li>Consulta el motivo indicado al rechazar.</li>
@@ -165,4 +166,4 @@
     <div class="alert alert-warning mt-3 mb-0">
         Si una pantalla indica que una denuncia no esta disponible, no intentes tramitarla desde otra ruta: revisa la bandeja de Entrada o consulta con soporte del sistema.
     </div>
-</div>
+</div>

Antifraude.Net/GestionaDenunciasAN/Components/Pages/Pendientes.razor

@@ -19,6 +19,7 @@
 @inject IDenunciaStore DenunciaStore
 @inject ApiDenunciasClient ApiDenuncias
 @inject UiBusyService Busy
+@inject UiDialogService Dialogs
 
 <PageTitle>Denuncias Pendientes</PageTitle>
 
@@ -199,7 +200,21 @@ else
                      data-bs-target="#@collapseId"
                      aria-expanded="false"
                      aria-controls="@collapseId">
-                    <h5 class="mb-0">Denuncia ID: @denuncia.Id_Denuncia</h5>
+                    <div class="d-flex flex-wrap align-items-center gap-2">
+                        <h5 class="mb-0">Denuncia ID: @denuncia.Id_Denuncia</h5>
+                        @if (!string.IsNullOrWhiteSpace(denuncia.OwnerUsername))
+                        {
+                            <span class="badge @(denuncia.OwnedByCurrentUser ? "text-bg-secondary" : "text-bg-warning")">
+                                Responsable: @denuncia.OwnerUsername
+                            </span>
+                        }
+                        @if (denuncia.OwnerWorkGroups.Count > 0)
+                        {
+                            <span class="badge text-bg-light">
+                                Grupo: @string.Join(" / ", denuncia.OwnerWorkGroups)
+                            </span>
+                        }
+                    </div>
                     <div>
                         <button type="button"
                                 class="btn btn-success btn-sm me-2"
@@ -587,7 +602,7 @@ else
                             600. Asuntos Jurídicos y Protección a la Persona Denunciante
                         </label>
                     </div>
-@*                     <div class="form-check">
+                    <div class="form-check">
                         <input class="form-check-input"
                                type="radio"
                                name="selectedGroup"
@@ -598,17 +613,6 @@ else
                             510. SDI – Investigación Entradas
                         </label>
                     </div>
-                    <div class="form-check">
-                        <input class="form-check-input"
-                               type="radio"
-                               name="selectedGroup"
-                               id="grupo700"
-                               checked='@(selectedGroup == "700")'
-                               @onclick='() => selectedGroup = "700"' />
-                        <label class="form-check-label" for="grupo700">
-                            700. RESPONSABLE DEL SERVICIO
-                        </label>
-                    </div> *@
 
                     <!-- DATOS DEL TERCERO -->
                     @{
@@ -948,6 +952,11 @@ else
             return;
         }
 
+        if (!await ConfirmSelectedGroupAsync())
+        {
+            return;
+        }
+
         try
         {
             isUploading = true;
@@ -1288,8 +1297,13 @@ else
         await DenunciaStore.UpsertDenunciaAsync(d);
     }
 
-    private void OpenEnviarAGestionaModal(DenunciasGestiona d)
+    private async Task OpenEnviarAGestionaModal(DenunciasGestiona d)
     {
+        if (!await ConfirmDifferentOwnerAsync(d, "tramitar"))
+        {
+            return;
+        }
+
         selectedDenuncias = d;
         nuevoAsunto = $"Denuncia {d.Id_Denuncia}-CD";
 
@@ -1301,13 +1315,64 @@ else
         showModal = true;
     }
 
-    private void OpenRechazarModal(DenunciasGestiona d)
+    private async Task OpenRechazarModal(DenunciasGestiona d)
     {
+        if (!await ConfirmDifferentOwnerAsync(d, "rechazar"))
+        {
+            return;
+        }
+
         selectedDenuncias = d;
         motivoRechazo = string.Empty;
         showModalRechazo = true;
     }
 
+    private async Task<bool> ConfirmDifferentOwnerAsync(
+        DenunciasGestiona denuncia,
+        string action)
+    {
+        if (!denuncia.RequiresOwnerConfirmation)
+        {
+            return true;
+        }
+
+        var confirmText = string.Equals(action, "rechazar", StringComparison.OrdinalIgnoreCase)
+            ? "Continuar con el rechazo"
+            : "Continuar con la apertura";
+
+        return await Dialogs.ConfirmAsync(
+            "Denuncia asignada a otro usuario",
+            $"La denuncia #{denuncia.Id_Denuncia} está asignada a {denuncia.OwnerUsername}. " +
+            $"Puedes {action}la porque pertenece a un usuario de tu grupo. La acción quedará registrada con tu usuario.",
+            confirmText);
+    }
+
+    private async Task<bool> ConfirmSelectedGroupAsync()
+    {
+        try
+        {
+            var currentGroups = await ApiDenuncias.GetCurrentUserWorkGroupsAsync();
+            if (currentGroups.GroupCodes.Contains(selectedGroup, StringComparer.OrdinalIgnoreCase))
+            {
+                return true;
+            }
+
+            var configuredGroups = currentGroups.GroupCodes.Count == 0
+                ? "ningún grupo"
+                : string.Join(", ", currentGroups.GroupCodes);
+            return await Dialogs.ConfirmAsync(
+                "Cambio de asignación en Gestiona",
+                $"El grupo de destino {selectedGroup} no pertenece a tus grupos configurados ({configuredGroups}). " +
+                "Si continúas, la denuncia quedará asignada en Gestiona a un grupo distinto de los tuyos.",
+                "Cambiar asignación");
+        }
+        catch (Exception ex)
+        {
+            operationError = $"No se han podido comprobar tus grupos antes de la subida: {ex.Message}";
+            return false;
+        }
+    }
+
     private void CloseModal()
     {
         showModal = false;

Antifraude.Net/GestionaDenunciasAN/Program.cs

@@ -52,6 +52,7 @@ builder.Services.AddScoped<UserState>();
 builder.Services.AddSingleton<AppSessionLifetime>();
 builder.Services.AddSingleton<LoginRateLimiter>();
 builder.Services.AddScoped<UiBusyService>();
+builder.Services.AddScoped<UiDialogService>();
 builder.Services.AddScoped<ApiDenunciasClient>();
 builder.Services.AddScoped<IDenunciaStore, ApiDenunciaStore>();
 builder.Services.AddScoped<IInboxTrackingService, ApiInboxTrackingService>();

Antifraude.Net/GestionaDenunciasAN/Services/ApiDenunciasClient.cs

@@ -47,6 +47,15 @@ public sealed class ApiDenunciasClient
     public Task<ApiGlobalLeaksSessionDto?> GetGlobalLeaksSessionAsync(CancellationToken cancellationToken = default)
         => SendAsync<ApiGlobalLeaksSessionDto?>(HttpMethod.Get, "api/inbox/session", body: null, authorize: true, cancellationToken, allowNull: true);
 
+    public Task<ApiGlobalLeaksSessionDto?> KeepGlobalLeaksSessionAliveAsync(CancellationToken cancellationToken = default)
+        => SendAsync<ApiGlobalLeaksSessionDto?>(
+            HttpMethod.Post,
+            "api/inbox/session/keepalive",
+            body: null,
+            authorize: true,
+            cancellationToken,
+            allowNull: true);
+
     public Task<ApiLoginPrepareResponse> PrepareGlobalLeaksSessionRenewalAsync(CancellationToken cancellationToken = default)
         => SendAsync<ApiLoginPrepareResponse>(
             HttpMethod.Post,
@@ -72,11 +81,14 @@ public sealed class ApiDenunciasClient
     public Task<InboxSnapshotResponse> LoadInboxAsync(CancellationToken cancellationToken = default)
         => SendAsync<InboxSnapshotResponse>(HttpMethod.Get, "api/inbox/reports", body: null, authorize: true, cancellationToken);
 
-    public Task<ImportSummary> ImportReportAsync(ReportDto report, CancellationToken cancellationToken = default)
+    public Task<ImportSummary> ImportReportAsync(
+        ReportDto report,
+        bool confirmDifferentOwner = false,
+        CancellationToken cancellationToken = default)
         => SendAsync<ImportSummary>(
             HttpMethod.Post,
             $"api/inbox/reports/{Uri.EscapeDataString(report.Id)}/import",
-            new ImportReportRequest(report),
+            new ImportReportRequest(report, confirmDifferentOwner),
             authorize: true,
             cancellationToken);
 
@@ -191,10 +203,16 @@ public sealed class ApiDenunciasClient
         string assignedGroupCode,
         int? complaintId,
         bool isUpdate = false,
+        string? updateSource = null,
         CancellationToken cancellationToken = default)
         => PostAsync(
             "api/gestiona/documents/tramitar",
-            new GestionaTramitarDocumentoRequest(documentUrl, assignedGroupCode, complaintId, isUpdate),
+            new GestionaTramitarDocumentoRequest(
+                documentUrl,
+                assignedGroupCode,
+                complaintId,
+                isUpdate,
+                updateSource),
             cancellationToken);
 
     public Task<List<ExpedienteTerceroDto>> GetGestionaExpedientesPorTerceroAsync(
@@ -255,6 +273,29 @@ public sealed class ApiDenunciasClient
             authorize: true,
             cancellationToken);
 
+    public Task<WorkGroupAdministrationDto> GetWorkGroupAdministrationAsync(
+        CancellationToken cancellationToken = default)
+        => GetAsync<WorkGroupAdministrationDto>(
+            "api/configuration/work-groups",
+            cancellationToken);
+
+    public Task<CurrentUserWorkGroupsDto> GetCurrentUserWorkGroupsAsync(
+        CancellationToken cancellationToken = default)
+        => GetAsync<CurrentUserWorkGroupsDto>(
+            "api/configuration/work-groups/current",
+            cancellationToken);
+
+    public Task<WorkGroupAdministrationDto> UpdateUserWorkGroupsAsync(
+        string username,
+        IReadOnlyList<string> groupCodes,
+        CancellationToken cancellationToken = default)
+        => SendAsync<WorkGroupAdministrationDto>(
+            HttpMethod.Put,
+            $"api/configuration/work-groups/users/{Uri.EscapeDataString(username)}",
+            new UpdateUserWorkGroupsRequest(groupCodes),
+            authorize: true,
+            cancellationToken);
+
     internal Task<T> GetAsync<T>(string path, CancellationToken cancellationToken = default, bool allowNull = false)
         => SendAsync<T>(HttpMethod.Get, path, body: null, authorize: true, cancellationToken, allowNull);
 

Antifraude.Net/GestionaDenunciasAN/Services/ApiInboxTrackingService.cs

@@ -46,9 +46,10 @@ public sealed class ApiInboxTrackingService : IInboxTrackingService
     public Task EnsureReportCanBeImportedByUserAsync(
         string username,
         ReportDto report,
+        bool confirmDifferentOwner = false,
         CancellationToken cancellationToken = default)
         => _api.PostAsync(
             "api/tracking/import-permission",
-            new TrackingImportPermissionRequest(username, report),
+            new TrackingImportPermissionRequest(username, report, confirmDifferentOwner),
             cancellationToken);
 }

Antifraude.Net/GestionaDenunciasAN/Services/UiDialogService.cs

@@ -0,0 +1,64 @@
+namespace GestionaDenunciasAN.Services;
+
+public enum UiDialogTone
+{
+    Information,
+    Warning,
+    Danger
+}
+
+public sealed class UiDialogService
+{
+    private TaskCompletionSource<bool>? _pendingConfirmation;
+
+    public event Action? Changed;
+
+    public bool IsVisible { get; private set; }
+    public string Title { get; private set; } = string.Empty;
+    public string Message { get; private set; } = string.Empty;
+    public string ConfirmText { get; private set; } = "Continuar";
+    public string CancelText { get; private set; } = "Cancelar";
+    public UiDialogTone Tone { get; private set; } = UiDialogTone.Warning;
+
+    public Task<bool> ConfirmAsync(
+        string title,
+        string message,
+        string confirmText = "Continuar",
+        string cancelText = "Cancelar",
+        UiDialogTone tone = UiDialogTone.Warning)
+    {
+        _pendingConfirmation?.TrySetResult(false);
+
+        Title = title.Trim();
+        Message = message.Trim();
+        ConfirmText = confirmText.Trim();
+        CancelText = cancelText.Trim();
+        Tone = tone;
+        IsVisible = true;
+
+        _pendingConfirmation = new TaskCompletionSource<bool>(
+            TaskCreationOptions.RunContinuationsAsynchronously);
+
+        Changed?.Invoke();
+        return _pendingConfirmation.Task;
+    }
+
+    public void Confirm()
+    {
+        Complete(true);
+    }
+
+    public void Cancel()
+    {
+        Complete(false);
+    }
+
+    private void Complete(bool confirmed)
+    {
+        var pendingConfirmation = _pendingConfirmation;
+        _pendingConfirmation = null;
+        IsVisible = false;
+        Changed?.Invoke();
+        pendingConfirmation?.TrySetResult(confirmed);
+    }
+}

Antifraude.Net/GestionaDenunciasAN/wwwroot/js/appAuth.js

@@ -68,3 +68,62 @@ window.appSetBodyScrollLock = function (locked) {
   document.documentElement.classList.toggle("app-scroll-locked", Boolean(locked));
   document.body.classList.toggle("app-scroll-locked", Boolean(locked));
 };
+
+window.appGlobalLeaksActivity = (function () {
+  const storageKey = "gestiona-denuncias:last-user-activity";
+  const events = ["pointerdown", "pointermove", "keydown", "touchstart", "scroll"];
+  let lastActivity = Date.now();
+  let tracking = false;
+
+  function readSharedActivity() {
+    try {
+      const stored = Number(window.localStorage.getItem(storageKey));
+      return Number.isFinite(stored) && stored > 0 ? stored : 0;
+    } catch {
+      return 0;
+    }
+  }
+
+  function markActivity() {
+    lastActivity = Date.now();
+    try {
+      window.localStorage.setItem(storageKey, String(lastActivity));
+    } catch {
+      // The in-memory timestamp still works when local storage is unavailable.
+    }
+  }
+
+  function start() {
+    if (tracking) {
+      return;
+    }
+
+    tracking = true;
+    markActivity();
+    for (const eventName of events) {
+      window.addEventListener(eventName, markActivity, { passive: true });
+    }
+  }
+
+  function stop() {
+    if (!tracking) {
+      return;
+    }
+
+    tracking = false;
+    for (const eventName of events) {
+      window.removeEventListener(eventName, markActivity);
+    }
+  }
+
+  function getIdleMilliseconds() {
+    const latestActivity = Math.max(lastActivity, readSharedActivity());
+    return Math.max(0, Date.now() - latestActivity);
+  }
+
+  return {
+    start,
+    stop,
+    getIdleMilliseconds
+  };
+})();

Antifraude.Net/RegistroPersonalAN/Components/Pages/Home.razor

@@ -170,8 +170,9 @@
         }
 
         var separator = certLoginBaseUrl.Contains('?') ? "&" : "?";
-        var url = $"{certLoginBaseUrl}{separator}iframe=true&parentOrigin={Uri.EscapeDataString(parentOrigin)}";
-        await JSRuntime.InvokeVoidAsync("iniciarSesionConCertificado", url);
+        var url =
+            $"{certLoginBaseUrl}{separator}iframe=true&origen=Registro&parentOrigin={Uri.EscapeDataString(parentOrigin)}";
+            await JSRuntime.InvokeVoidAsync("iniciarSesionConCertificado", url);
 
     }
 

Antifraude.Net/RegistroPersonalAN/Services/CertificateLoginBridgeService.cs

@@ -55,7 +55,8 @@ namespace RegistroPersonalAN.Services
             var client = _httpClientFactory.CreateClient("DefaultClient");
             using var response = await client.PostAsJsonAsync("Auth/login-cert-proxy", new CertificateProxyLoginRequest
             {
-                Dni = dni
+                Dni = dni,
+                Origen = "Registro"
             });
 
             var responseContent = await response.Content.ReadAsStringAsync();
@@ -96,6 +97,7 @@ namespace RegistroPersonalAN.Services
     public sealed class CertificateProxyLoginRequest
     {
         public string Dni { get; set; } = string.Empty;
+        public string Origen { get; set; } = string.Empty;
     }
 
     public sealed class CertificateProxyLoginResponse

Antifraude.Net/SwaggerAntifraude/Controllers/AuthController.cs

@@ -46,7 +46,7 @@ namespace SwaggerAntifraude.Controllers
 
         [AllowAnonymous]
         [HttpGet("login-cert")]
-        public IActionResult LoginWithCertificateGet([FromQuery] bool iframe = false)
+        public IActionResult LoginWithCertificateGet([FromQuery] bool iframe = false, [FromQuery] string? origen = null)
         {
             var clientCert = HttpContext.Connection.ClientCertificate;
             if (clientCert == null)
@@ -56,7 +56,7 @@ namespace SwaggerAntifraude.Controllers
             if (string.IsNullOrWhiteSpace(dni))
                 return Unauthorized("No se pudo obtener un DNI válido del certificado.");
 
-            var result = AuthenticateCertificateDni(dni);
+            var result = AuthenticateCertificateDni(dni, origen);
             if (result.Token == null || result.Persona == null)
                 return Unauthorized(result.Error ?? "No se pudo autenticar el certificado.");
 
@@ -82,14 +82,14 @@ namespace SwaggerAntifraude.Controllers
                 return BadRequest("Debe indicarse un DNI.");
             }
 
-            var result = AuthenticateCertificateDni(request.Dni);
+            var result = AuthenticateCertificateDni(request.Dni, request.Origen);
             if (result.Token == null || result.Persona == null)
                 return Unauthorized(result.Error ?? "No se pudo autenticar el certificado.");
 
             return Ok(BuildLoginResponse(result.Persona, result.Token));
         }
 
-        private (string? Token, PERSONAS? Persona, string? Error) AuthenticateCertificateDni(string dni)
+        private (string? Token, PERSONAS? Persona, string? Error) AuthenticateCertificateDni(string dni, string? origen)
         {
             using var context = tsGestionAntifraude.NuevoContexto(SoloLectura: true);
 
@@ -100,7 +100,11 @@ namespace SwaggerAntifraude.Controllers
             {
                 return (null, null, "Usuario no encontrado en la base de datos.");
             }
-
+            if (string.Equals(origen, "Registro", StringComparison.OrdinalIgnoreCase)
+                && persona.ADMINISTRARPTYREGISTRO != true)
+            {
+                return (null, null, "Usuario no autorizado.");
+            }
             var jwtToken = GenerateJwtToken(persona);
             return (jwtToken, persona, null);
         }

Antifraude.Net/SwaggerAntifraude/DTOs/CertificateProxyLoginDto.cs

@@ -3,5 +3,7 @@ namespace SwaggerAntifraude.DTOs
     public class CertificateProxyLoginDto
     {
         public string Dni { get; set; } = string.Empty;
+        public string? Origen { get; set; }
+
     }
 }

Antifraude.Net/bdAntifraude/extensiones/PERSONAS.cs

@@ -42,7 +42,7 @@ namespace bdAntifraude.db
 
                 var puesto = PUESTOSIDPERSONALNavigation?.FirstOrDefault(x => x.IDRPTNavigation?.IDSITUACIONNavigation?.DESCRIPCION == "ACTIVA");
                 
-                return puesto?.IDRPTDESNavigation?.IDDEPARTAMENTONavigation?.DESCRIPCION ?? "";
+                return puesto?.IDRPTDESNavigation?.IDDEPARTAMENTONavigation?.VALORALFABETICOLARGO ?? "";
             }
         }