fix: ADMIN puede ver tickets de cualquier tenant, fixes seguridad tickets.py, logout interno

backend/add_participant.py

@@ -0,0 +1,48 @@
+import asyncio
+from app.core.database import AsyncSessionLocal, Base, engine
+from app.models.ticket import Ticket
+from sqlalchemy import String, ForeignKey, UniqueConstraint
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+from app.core.database import GUID
+import uuid
+
+# Agregar modelo al archivo ticket.py
+new_model = '''
+
+class TicketParticipant(Base):
+    """Participantes asignados a un ticket"""
+    __tablename__ = "ticket_participants"
+
+    ticket_id: Mapped[uuid.UUID] = mapped_column(
+        GUID(),
+        ForeignKey("tickets.id", ondelete="CASCADE"),
+        nullable=False
+    )
+    user_id: Mapped[uuid.UUID] = mapped_column(
+        GUID(),
+        ForeignKey("users.id", ondelete="CASCADE"),
+        nullable=False
+    )
+    role: Mapped[str] = mapped_column(String(50), nullable=False, default="participant")
+
+    ticket: Mapped["Ticket"] = relationship("Ticket", back_populates="participants")
+    user: Mapped["User"] = relationship("User")
+
+    __table_args__ = (
+        UniqueConstraint("ticket_id", "user_id", name="uq_ticket_participant"),
+    )
+
+    def __repr__(self):
+        return f"<TicketParticipant(ticket={self.ticket_id}, user={self.user_id})>"
+'''
+
+with open("/app/app/models/ticket.py", "r") as f:
+    content = f.read()
+
+if "TicketParticipant" in content:
+    print("Ya existe TicketParticipant")
+else:
+    content += new_model
+    with open("/app/app/models/ticket.py", "w") as f:
+        f.write(content)
+    print("OK: TicketParticipant agregado")

backend/add_relation.py

@@ -0,0 +1,21 @@
+with open("/app/app/models/ticket.py", "r") as f:
+    content = f.read()
+
+old = '    def __repr__(self) -> str:\n        return f"<Ticket(id={self.id}, number=\'{self.ticket_number}\', status={self.status})>"'
+new = '''    participants: Mapped[list["TicketParticipant"]] = relationship(
+        "TicketParticipant",
+        back_populates="ticket",
+        cascade="all, delete-orphan"
+    )
+
+    def __repr__(self) -> str:
+        return f"<Ticket(id={self.id}, number=\'{self.ticket_number}\', status={self.status})>"'''
+
+if old in content:
+    content = content.replace(old, new)
+    print("OK: relacion participants agregada")
+else:
+    print("ERROR: bloque no encontrado")
+
+with open("/app/app/models/ticket.py", "w") as f:
+    f.write(content)

backend/app/api/deps.py

@@ -89,9 +89,10 @@ async def get_current_user(
         raise HTTPException(status_code=400, detail="Inactive user")
 
     # Enforce that tenant header (if present) matches the authenticated user's tenant.
-    # Prevents cross-tenant header impersonation.
+    # Roles globales (is_global) pueden operar en cualquier tenant → omitir chequeo.
+    # Roles de cliente (is_client) deben coincidir con su propio tenant.
     request_tenant_id = getattr(getattr(request, "state", None), "tenant_id", None)
-    if request_tenant_id and str(user.tenant_id) != str(request_tenant_id):
+    if request_tenant_id and not user.role.is_global and str(user.tenant_id) != str(request_tenant_id):
         raise HTTPException(
             status_code=status.HTTP_403_FORBIDDEN,
             detail="Tenant header does not match authenticated user",

backend/app/api/schemas/auth.py

@@ -1,7 +1,7 @@
 """
 Auth Schemas - ServiceManagerWeb
 
-Pydantic schemas para autenticación y autorización.
+Pydantic schemas para autenticación y autorización.
 """
 
 from pydantic import BaseModel, EmailStr
@@ -12,7 +12,7 @@ class LoginRequest(BaseModel):
     """Schema para solicitud de login."""
     email: EmailStr
     password: str
-    tenant_slug: str
+    tenant_slug: Optional[str] = None
     totp_code: Optional[str] = None
 
 
@@ -53,28 +53,28 @@ class TwoFactorSetupResponse(BaseModel):
 
 
 class TwoFactorEnableRequest(BaseModel):
-    """Código TOTP para confirmar y activar 2FA."""
+    """Código TOTP para confirmar y activar 2FA."""
     totp_code: str
 
 
 class TwoFactorEnableResponse(BaseModel):
-    """Resultado al habilitar 2FA: incluye los códigos de respaldo."""
+    """Resultado al habilitar 2FA: incluye los códigos de respaldo."""
     enabled: bool
     backup_codes: List[str]
 
 
 class TwoFactorDisableRequest(BaseModel):
-    """Deshabilitar 2FA verificando con TOTP o código de respaldo."""
+    """Deshabilitar 2FA verificando con TOTP o código de respaldo."""
     totp_code: Optional[str] = None
     backup_code: Optional[str] = None
 
 
 # ============================================================
-# Cambio de contraseña
+# Cambio de contraseña
 # ============================================================
 
 class ChangePasswordRequest(BaseModel):
-    """Schema para cambio de contraseña del usuario autenticado."""
+    """Schema para cambio de contraseña del usuario autenticado."""
     current_password: str
     new_password: str
 
@@ -82,15 +82,15 @@ class ChangePasswordRequest(BaseModel):
 
 
 # ============================================================
-# Recuperación de contraseña
+# Recuperación de contraseña
 # ============================================================
 
 class ForgotPasswordRequest(BaseModel):
-    """Solicitar enlace de reseteo de contraseña por email."""
+    """Solicitar enlace de reseteo de contraseña por email."""
     email: EmailStr
 
 
 class ResetPasswordRequest(BaseModel):
-    """Aplicar nueva contraseña usando token de reseteo."""
+    """Aplicar nueva contraseña usando token de reseteo."""
     token: str
     new_password: str

backend/app/api/schemas/category.py

@@ -11,13 +11,14 @@ import uuid
 
 
 class CategoryCreate(BaseModel):
-    """Schema para crear categoría. No incluye tenant_id (se asigna automáticamente)."""
+    """Schema para crear categoría. tenant_id opcional para ADMIN global."""
     name: str
     description: Optional[str] = None
     color: Optional[str] = None
     sla_response_hours: int = 24
     sla_resolution_hours: int = 72
     auto_assign_to: Optional[uuid.UUID] = None
+    tenant_id: Optional[uuid.UUID] = None
 
 
 class CategoryUpdate(BaseModel):

backend/app/api/schemas/issue.py

@@ -0,0 +1,53 @@
+"""Schemas para TicketIssue"""
+from pydantic import BaseModel, field_validator
+from typing import Optional, List
+from datetime import datetime
+import uuid
+
+
+class TaggedUserBasic(BaseModel):
+    id: uuid.UUID
+    full_name: str
+    email: str
+
+    class Config:
+        from_attributes = True
+
+
+class IssueCreate(BaseModel):
+    content: str
+    priority: str = "MEDIUM"
+    tagged_user_ids: List[uuid.UUID] = []
+
+    @field_validator("priority")
+    @classmethod
+    def validate_priority(cls, v: str) -> str:
+        valid = {"LOW", "MEDIUM", "HIGH", "URGENT"}
+        if v.upper() not in valid:
+            raise ValueError(f"priority debe ser uno de: {valid}")
+        return v.upper()
+
+    @field_validator("content")
+    @classmethod
+    def validate_content(cls, v: str) -> str:
+        if not v.strip():
+            raise ValueError("content no puede estar vacío")
+        return v.strip()
+
+
+class IssueResponse(BaseModel):
+    id: uuid.UUID
+    ticket_id: uuid.UUID
+    tenant_id: uuid.UUID
+    content: str
+    priority: str
+    created_by: uuid.UUID
+    created_by_name: str
+    tagged_users: List[TaggedUserBasic] = []
+    attachment_filename: Optional[str] = None
+    attachment_mime_type: Optional[str] = None
+    created_at: datetime
+    updated_at: datetime
+
+    class Config:
+        from_attributes = True

backend/app/api/v1/endpoints/auth.py

@@ -1,7 +1,7 @@
 """
 Authentication Endpoints - ServiceManagerWeb
 
-Endpoints para autenticación y autorización
+Endpoints para autenticación y autorización
 """
 
 from fastapi import APIRouter, HTTPException, status, Depends, Request, Response
@@ -28,7 +28,7 @@ CLIENT_ROLES = {"CLIENT_ADMIN", "CLIENT_USER"}
 
 
 def _cookie_name_for_role(role: str) -> str:
-    """Devuelve el nombre de cookie según el rol del usuario."""
+    """Devuelve el nombre de cookie según el rol del usuario."""
     return "client_access_token" if role in CLIENT_ROLES else "internal_access_token"
 from app.api.schemas.auth import (
     LoginRequest, LoginResponse, RefreshTokenRequest, TokenResponse,
@@ -88,25 +88,23 @@ async def login(
                 headers={"Retry-After": str(settings.LOGIN_RATE_LIMIT_WINDOW_SECONDS)},
             )
     
-    # 1. Validar tenant
-    tenant_result = await db.execute(
-        select(Tenant).where(Tenant.slug == login_data.tenant_slug)
-    )
-    tenant = tenant_result.scalar_one_or_none()
-    if tenant is None:
-        logger.warning(
-            "Login failed - tenant not found",
-            email=login_data.email,
-            tenant_slug=login_data.tenant_slug,
-        )
-        raise HTTPException(
-            status_code=status.HTTP_404_NOT_FOUND,
-            detail="Tenant not found",
+    # 1. Validar tenant - por slug si viene, sino buscar por email
+    if login_data.tenant_slug:
+        tenant_result = await db.execute(
+            select(Tenant).where(Tenant.slug == login_data.tenant_slug)
         )
+        tenant = tenant_result.scalar_one_or_none()
+        if tenant is None:
+            raise HTTPException(
+                status_code=status.HTTP_404_NOT_FOUND,
+                detail="Tenant not found",
+            )
+    else:
+        tenant = None
 
     # Rate limiting (best-effort): by (tenant,email) to slow brute force.
     ident_key = None
-    if settings.RATE_LIMIT_ENABLED and not settings.TESTING:
+    if settings.RATE_LIMIT_ENABLED and not settings.TESTING and tenant:
         email_norm = login_data.email.strip().lower()
         ident_key = cache_key("rl", "login", "id", str(tenant.id), email_norm)
         ident_count = await cache.incr(ident_key, 1)
@@ -142,22 +140,25 @@ async def login(
                 headers={"Retry-After": str(settings.LOGIN_RATE_LIMIT_WINDOW_SECONDS)},
             )
 
-    # 2. Buscar usuario en base de datos (aislado por tenant)
-    query = select(User).where(
-        User.email == login_data.email,
-        User.tenant_id == tenant.id,
-    )
+    # 2. Buscar usuario - filtrar por tenant si se detecto, sino buscar por email
+    if tenant:
+        query = select(User).where(
+            User.email == login_data.email,
+            User.tenant_id == tenant.id,
+        )
+    else:
+        query = select(User).where(User.email == login_data.email)
     result = await db.execute(query)
     user = result.scalar_one_or_none()
 
-    # 3. Verificar usuario y contraseña
+    # 3. Verificar usuario y contraseña
     if not user or not security.verify_password(login_data.password, user.password_hash):
         logger.warning(
             "Login failed - invalid credentials",
             email=login_data.email
         )
         
-        # Registrar intento fallido en auditoría (si el usuario existe)
+        # Registrar intento fallido en auditoría (si el usuario existe)
         if user:
             try:
                 await AuditService.log(
@@ -178,7 +179,7 @@ async def login(
             detail="Invalid credentials",
         )
     
-    # 4. Verificar si está activo
+    # 4. Verificar si está activo
     if not user.is_active:
         logger.warning(
             "Login failed - user inactive",
@@ -189,19 +190,19 @@ async def login(
             detail="User inactive",
         )
 
-    # 5. Verificar 2FA si está habilitado
+    # 5. Verificar 2FA si está habilitado
     if user.totp_enabled:
         if not login_data.totp_code:
-            # Indicar al frontend que debe pedir el código TOTP
+            # Indicar al frontend que debe pedir el código TOTP
             raise HTTPException(
                 status_code=status.HTTP_401_UNAUTHORIZED,
-                detail="Se requiere autenticación de dos factores (2FA). Ingresa tu código."
+                detail="Se requiere autenticación de dos factores (2FA). Ingresa tu código."
             )
         if not security.verify_totp(user.totp_secret, login_data.totp_code):
             logger.warning("Login failed - invalid 2FA code", email=login_data.email)
             raise HTTPException(
                 status_code=status.HTTP_401_UNAUTHORIZED,
-                detail="Código 2FA inválido o expirado"
+                detail="Código 2FA inválido o expirado"
             )
 
     # Create tokens
@@ -233,7 +234,7 @@ async def login(
             detail="Service temporarily unavailable",
         )
     
-    # Registrar login exitoso en auditoría
+    # Registrar login exitoso en auditoría
     try:
         await AuditService.log(
             db=db,
@@ -283,6 +284,7 @@ async def login(
             "last_name": user.last_name,
             "role": user.role,
             "tenant_id": str(user.tenant_id),
+            "tenant_slug": tenant.slug if tenant else str(user.tenant_id),
             "is_active": user.is_active,
             "is_two_factor_enabled": user.totp_enabled or False,
             "created_at": user.created_at.isoformat() if user.created_at else None
@@ -392,7 +394,7 @@ async def logout(
     except Exception as e:
         logger.warning("Failed to revoke refresh tokens on logout", error=str(e))
     
-    # Registrar logout en auditoría
+    # Registrar logout en auditoría
     try:
         import uuid
         user_id = uuid.UUID(payload["sub"])
@@ -413,7 +415,7 @@ async def logout(
     
     logger.info("Logout successful", user_id=payload["sub"])
 
-    # Borrar la cookie correcta según el rol del usuario
+    # Borrar la cookie correcta según el rol del usuario
     cookie_name = _cookie_name_for_role(payload.get("role", ""))
     response.delete_cookie(key=cookie_name)
     return {"message": "Successfully logged out"}
@@ -479,6 +481,7 @@ async def get_current_user(
         "role": user.role.value if hasattr(user.role, 'value') else user.role,
         "tenant_id": str(user.tenant_id),
         "tenant_name": user.tenant.name if user.tenant else None,
+        "tenant_slug": user.tenant.slug if user.tenant else None,
         "is_active": user.is_active,
         "is_two_factor_enabled": user.totp_secret is not None,
         "last_login": user.last_login.isoformat() if user.last_login else None,
@@ -502,7 +505,7 @@ async def get_2fa_status(
     current_user: User = Depends(get_current_user),
 ):
     """
-    Consultar si el 2FA está habilitado para el usuario actual.
+    Consultar si el 2FA está habilitado para el usuario actual.
 
     Returns:
         Estado de 2FA del usuario autenticado.
@@ -516,10 +519,10 @@ async def setup_2fa(
     db: AsyncSession = Depends(get_db),
 ):
     """
-    Iniciar configuración de 2FA: genera un nuevo TOTP secret y QR URI.
+    Iniciar configuración de 2FA: genera un nuevo TOTP secret y QR URI.
 
-    El secret se guarda en BD pero 2FA NO se activa todavía.
-    Se necesita llamar a /2fa/enable con un código válido para activarlo.
+    El secret se guarda en BD pero 2FA NO se activa todavía.
+    Se necesita llamar a /2fa/enable con un código válido para activarlo.
 
     Returns:
         Secret y QR URI para escanear con la app autenticadora.
@@ -527,7 +530,7 @@ async def setup_2fa(
     new_secret = security.generate_totp_secret()
     qr_uri = security.generate_totp_uri(new_secret, current_user.email)
 
-    # Guardar el secret (sin habilitar aún)
+    # Guardar el secret (sin habilitar aún)
     current_user.totp_secret = new_secret
     await db.commit()
 
@@ -543,29 +546,29 @@ async def enable_2fa(
     db: AsyncSession = Depends(get_db),
 ):
     """
-    Activar 2FA verificando que el usuario escaneó correctamente el QR.
+    Activar 2FA verificando que el usuario escaneó correctamente el QR.
 
     Requiere que /2fa/setup haya sido llamado previamente.
 
     Args:
-        data: Código TOTP generado por la app autenticadora.
+        data: Código TOTP generado por la app autenticadora.
 
     Returns:
-        Confirmación y lista de códigos de respaldo.
+        Confirmación y lista de códigos de respaldo.
     """
     if not current_user.totp_secret:
         raise HTTPException(
             status_code=status.HTTP_400_BAD_REQUEST,
-            detail="Primero inicia el proceso de configuración con /2fa/setup"
+            detail="Primero inicia el proceso de configuración con /2fa/setup"
         )
 
     if not security.verify_totp(current_user.totp_secret, data.totp_code):
         raise HTTPException(
             status_code=status.HTTP_400_BAD_REQUEST,
-            detail="Código TOTP inválido. Verifica la hora de tu dispositivo e intenta de nuevo."
+            detail="Código TOTP inválido. Verifica la hora de tu dispositivo e intenta de nuevo."
         )
 
-    # Activar 2FA y generar códigos de respaldo
+    # Activar 2FA y generar códigos de respaldo
     backup_codes = security.generate_backup_codes()
     current_user.totp_enabled = True
     current_user.backup_codes = backup_codes
@@ -593,21 +596,21 @@ async def disable_2fa(
     db: AsyncSession = Depends(get_db),
 ):
     """
-    Deshabilitar 2FA verificando con código TOTP o código de respaldo.
+    Deshabilitar 2FA verificando con código TOTP o código de respaldo.
 
     Args:
         data: totp_code o backup_code para verificar identidad.
 
     Returns:
-        Mensaje de confirmación.
+        Mensaje de confirmación.
     """
     if not current_user.totp_enabled:
         raise HTTPException(
             status_code=status.HTTP_400_BAD_REQUEST,
-            detail="El 2FA no está habilitado en esta cuenta"
+            detail="El 2FA no está habilitado en esta cuenta"
         )
 
-    # Verificar con TOTP o código de respaldo
+    # Verificar con TOTP o código de respaldo
     verified = False
 
     if data.totp_code:
@@ -615,7 +618,7 @@ async def disable_2fa(
     elif data.backup_code and current_user.backup_codes:
         if data.backup_code in current_user.backup_codes:
             verified = True
-            # Invalidar el código de respaldo usado
+            # Invalidar el código de respaldo usado
             current_user.backup_codes = [
                 c for c in current_user.backup_codes if c != data.backup_code
             ]
@@ -623,7 +626,7 @@ async def disable_2fa(
     if not verified:
         raise HTTPException(
             status_code=status.HTTP_400_BAD_REQUEST,
-            detail="Verificación fallida. Proporciona un código TOTP o un código de respaldo válido."
+            detail="Verificación fallida. Proporciona un código TOTP o un código de respaldo válido."
         )
 
     # Deshabilitar 2FA
@@ -644,7 +647,7 @@ async def disable_2fa(
 
     logger.info("2FA disabled", user_id=str(current_user.id))
 
-    return {"message": "Autenticación de dos factores deshabilitada correctamente"}
+    return {"message": "Autenticación de dos factores deshabilitada correctamente"}
 
 
 @router.post("/change-password", status_code=status.HTTP_200_OK)
@@ -654,32 +657,32 @@ async def change_password(
     db: AsyncSession = Depends(get_db),
 ):
     """
-    Cambiar la contraseña del usuario autenticado.
+    Cambiar la contraseña del usuario autenticado.
 
-    Verifica la contraseña actual antes de actualizar.
-    Requiere autenticación activa.
+    Verifica la contraseña actual antes de actualizar.
+    Requiere autenticación activa.
     """
     from datetime import datetime
 
-    # Validar longitud mínima
+    # Validar longitud mínima
     if len(data.new_password) < 8:
         raise HTTPException(
             status_code=status.HTTP_400_BAD_REQUEST,
-            detail="La nueva contraseña debe tener al menos 8 caracteres"
+            detail="La nueva contraseña debe tener al menos 8 caracteres"
         )
 
-    # Verificar que la contraseña actual sea correcta
+    # Verificar que la contraseña actual sea correcta
     if not security.verify_password(data.current_password, current_user.password_hash):
         raise HTTPException(
             status_code=status.HTTP_400_BAD_REQUEST,
-            detail="La contraseña actual es incorrecta"
+            detail="La contraseña actual es incorrecta"
         )
 
     # No permitir que la nueva sea igual a la actual
     if security.verify_password(data.new_password, current_user.password_hash):
         raise HTTPException(
             status_code=status.HTTP_400_BAD_REQUEST,
-            detail="La nueva contraseña no puede ser igual a la actual"
+            detail="La nueva contraseña no puede ser igual a la actual"
         )
 
     current_user.password_hash = security.hash_password(data.new_password)
@@ -697,11 +700,11 @@ async def change_password(
     await db.commit()
 
     logger.info("Password changed", user_id=str(current_user.id))
-    return {"message": "Contraseña actualizada correctamente"}
+    return {"message": "Contraseña actualizada correctamente"}
 
 
 # ============================================================
-# Recuperación de contraseña (forgot / reset)
+# Recuperación de contraseña (forgot / reset)
 # ============================================================
 
 _RESET_TOKEN_TTL = 1800  # 30 minutos en segundos
@@ -716,10 +719,10 @@ async def forgot_password(
     db: AsyncSession = Depends(get_db),
 ):
     """
-    Solicitar reseteo de contraseña.
+    Solicitar reseteo de contraseña.
 
     Siempre retorna 200 aunque el email no exista, para no revelar
-    si una dirección está registrada en el sistema.
+    si una dirección está registrada en el sistema.
     """
     import secrets
     from redis.asyncio import from_url as redis_from_url
@@ -735,9 +738,9 @@ async def forgot_password(
     user = result.scalar_one_or_none()
 
     if not user:
-        # Respuesta idéntica — no revelar existencia
+        # Respuesta idéntica — no revelar existencia
         logger.info("Forgot password: email not found", email=data.email)
-        return {"message": "Si el correo está registrado recibirás un enlace en breve."}
+        return {"message": "Si el correo está registrado recibirás un enlace en breve."}
 
     # Generar token seguro
     token = secrets.token_urlsafe(32)
@@ -757,7 +760,7 @@ async def forgot_password(
 
     await send_email(
         to_email=user.email,
-        subject="Restablece tu contraseña — ServiceManager",
+        subject="Restablece tu contraseña — ServiceManager",
         html_content=html,
         text_content=text,
     )
@@ -774,7 +777,7 @@ async def forgot_password(
     await db.commit()
 
     logger.info("Password reset email sent", user_id=str(user.id))
-    return {"message": "Si el correo está registrado recibirás un enlace en breve."}
+    return {"message": "Si el correo está registrado recibirás un enlace en breve."}
 
 
 @router.post("/reset-password", status_code=status.HTTP_200_OK)
@@ -785,7 +788,7 @@ async def reset_password(
     db: AsyncSession = Depends(get_db),
 ):
     """
-    Aplicar nueva contraseña usando el token recibido por email.
+    Aplicar nueva contraseña usando el token recibido por email.
 
     El token es de un solo uso: se elimina de Redis al usarse.
     """
@@ -796,7 +799,7 @@ async def reset_password(
     if len(data.new_password) < 8:
         raise HTTPException(
             status_code=status.HTTP_400_BAD_REQUEST,
-            detail="La contraseña debe tener al menos 8 caracteres"
+            detail="La contraseña debe tener al menos 8 caracteres"
         )
 
     redis_key = f"{_RESET_KEY_PREFIX}{data.token}"
@@ -807,7 +810,7 @@ async def reset_password(
         if not user_id_str:
             raise HTTPException(
                 status_code=status.HTTP_400_BAD_REQUEST,
-                detail="El enlace de reseteo es inválido o ya expiró. Solicita uno nuevo."
+                detail="El enlace de reseteo es inválido o ya expiró. Solicita uno nuevo."
             )
 
         # Eliminar token inmediatamente (un solo uso)
@@ -838,4 +841,4 @@ async def reset_password(
     await db.commit()
 
     logger.info("Password reset completed", user_id=str(user.id))
-    return {"message": "Contraseña actualizada correctamente. Ya puedes iniciar sesión."}
+    return {"message": "Contraseña actualizada correctamente. Ya puedes iniciar sesión."}

backend/app/api/v1/endpoints/categories.py

@@ -79,11 +79,16 @@ async def create_category(
     
     ✅ Implementa multi-tenancy: asigna automáticamente tenant_id del usuario.
     """
-    # ✅ CORREGIDO: Asignar tenant_id del usuario actual
-    db_category = Category(
-        **category.model_dump(),
-        tenant_id=current_user.tenant_id  # ✅ Multi-tenancy automático
-    )
+    # ADMIN global puede especificar tenant_id; otros usan el suyo
+    from app.models.user import UserRole as _R
+    data = category.model_dump()
+    if current_user.role == _R.ADMIN and data.get("tenant_id"):
+        target_tenant_id = data["tenant_id"]
+    else:
+        target_tenant_id = current_user.tenant_id
+        data["tenant_id"] = target_tenant_id
+
+    db_category = Category(**data)
     
     db.add(db_category)
     await db.commit()

backend/app/api/v1/endpoints/participants.py

@@ -0,0 +1,130 @@
+from fastapi import APIRouter, Depends, HTTPException, status
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select
+from sqlalchemy.orm import selectinload
+import uuid
+
+from app.api import deps
+from app.core.database import get_db
+from app.models.ticket import Ticket, TicketParticipant
+from app.models.user import User
+from pydantic import BaseModel
+
+router = APIRouter()
+
+class ParticipantAdd(BaseModel):
+    user_id: uuid.UUID
+
+class ParticipantResponse(BaseModel):
+    id: uuid.UUID
+    user_id: uuid.UUID
+    ticket_id: uuid.UUID
+    role: str
+    user_email: str
+    user_name: str
+
+    class Config:
+        from_attributes = True
+
+@router.get("/{ticket_id}/participants", response_model=list[ParticipantResponse])
+async def list_participants(
+    ticket_id: uuid.UUID,
+    db: AsyncSession = Depends(get_db),
+    current_user: User = Depends(deps.get_current_user)
+):
+    result = await db.execute(
+        select(TicketParticipant)
+        .where(TicketParticipant.ticket_id == ticket_id)
+        .options(selectinload(TicketParticipant.user))
+    )
+    participants = result.scalars().all()
+    return [
+        ParticipantResponse(
+            id=p.id,
+            user_id=p.user_id,
+            ticket_id=p.ticket_id,
+            role=p.role,
+            user_email=p.user.email,
+            user_name=f"{p.user.first_name or ''} {p.user.last_name or ''}".strip()
+        )
+        for p in participants
+    ]
+
+@router.post("/{ticket_id}/participants", response_model=ParticipantResponse)
+async def add_participant(
+    ticket_id: uuid.UUID,
+    data: ParticipantAdd,
+    db: AsyncSession = Depends(get_db),
+    current_user: User = Depends(deps.get_current_user)
+):
+    # Verificar que el ticket existe
+    ticket_result = await db.execute(select(Ticket).where(Ticket.id == ticket_id))
+    ticket = ticket_result.scalar_one_or_none()
+    if not ticket:
+        raise HTTPException(status_code=404, detail="Ticket not found")
+
+    # Solo el creador puede agregar participantes
+    if ticket.created_by != current_user.id and not current_user.role.is_global:
+        raise HTTPException(status_code=403, detail="Only the ticket creator can add participants")
+
+    # Verificar que el usuario existe
+    user_result = await db.execute(select(User).where(User.id == data.user_id))
+    user = user_result.scalar_one_or_none()
+    if not user:
+        raise HTTPException(status_code=404, detail="User not found")
+
+    # Verificar que no sea duplicado
+    existing = await db.execute(
+        select(TicketParticipant).where(
+            TicketParticipant.ticket_id == ticket_id,
+            TicketParticipant.user_id == data.user_id
+        )
+    )
+    if existing.scalar_one_or_none():
+        raise HTTPException(status_code=400, detail="User is already a participant")
+
+    participant = TicketParticipant(
+        ticket_id=ticket_id,
+        user_id=data.user_id,
+        role="participant"
+    )
+    db.add(participant)
+    await db.commit()
+    await db.refresh(participant)
+
+    return ParticipantResponse(
+        id=participant.id,
+        user_id=participant.user_id,
+        ticket_id=participant.ticket_id,
+        role=participant.role,
+        user_email=user.email,
+        user_name=f"{user.first_name or ''} {user.last_name or ''}".strip()
+    )
+
+@router.delete("/{ticket_id}/participants/{user_id}", status_code=204)
+async def remove_participant(
+    ticket_id: uuid.UUID,
+    user_id: uuid.UUID,
+    db: AsyncSession = Depends(get_db),
+    current_user: User = Depends(deps.get_current_user)
+):
+    ticket_result = await db.execute(select(Ticket).where(Ticket.id == ticket_id))
+    ticket = ticket_result.scalar_one_or_none()
+    if not ticket:
+        raise HTTPException(status_code=404, detail="Ticket not found")
+
+    if ticket.created_by != current_user.id and not current_user.role.is_global:
+        raise HTTPException(status_code=403, detail="Only the ticket creator can remove participants")
+
+    result = await db.execute(
+        select(TicketParticipant).where(
+            TicketParticipant.ticket_id == ticket_id,
+            TicketParticipant.user_id == user_id
+        )
+    )
+    participant = result.scalar_one_or_none()
+    if not participant:
+        raise HTTPException(status_code=404, detail="Participant not found")
+
+    await db.delete(participant)
+    await db.commit()

backend/app/api/v1/endpoints/tenants.py

@@ -28,14 +28,36 @@ async def create_tenant(
     db: AsyncSession = Depends(get_db),
     current_user = Depends(deps.get_current_active_superuser)
 ):
+    from app.models.permission import TenantPermission, DEFAULT_PERMISSIONS
+    from datetime import datetime
+
     # Check existing slug
     query = select(Tenant).where(Tenant.slug == tenant.slug)
     result = await db.execute(query)
     if result.scalar_one_or_none():
         raise HTTPException(status_code=400, detail="Tenant slug already exists")
         
-    db_tenant = Tenant(**tenant.model_dump())
+    data = tenant.model_dump()
+    data['slug'] = data['slug'].lower().strip()
+    db_tenant = Tenant(**data)
     db.add(db_tenant)
+    await db.flush()  # genera el id sin hacer commit
+
+    # Inicializar permisos por defecto para el nuevo tenant
+    now = datetime.utcnow()
+    for role, perms in DEFAULT_PERMISSIONS.items():
+        for permission, granted in perms.items():
+            db.add(TenantPermission(
+                id=uuid.uuid4(),
+                tenant_id=db_tenant.id,
+                user_id=None,
+                role=role,
+                permission=permission,
+                granted=granted,
+                created_at=now,
+                updated_at=now,
+            ))
+
     await db.commit()
     await db.refresh(db_tenant)
     return db_tenant

backend/app/api/v1/endpoints/tickets.py

@@ -7,11 +7,13 @@ from sqlalchemy.orm import selectinload
 from typing import List, Optional
 from datetime import datetime, timedelta
 import uuid
+from app.models.issue import TicketIssue, ticket_issue_tagged_users
+from app.api.schemas.issue import IssueCreate, IssueResponse
 
 from app.core.database import get_db
 from app.api.deps import get_current_user, get_current_tenant
 from app.models.ticket import Ticket, TicketStatus, TicketPriority
-from app.models.user import User
+from app.models.user import User, UserRole
 from app.models.tenant import Tenant
 from app.models.category import Category
 from app.models.system import System
@@ -19,7 +21,7 @@ from app.models.comment import TicketComment
 from app.models.attachment import TicketAttachment
 from app.api.schemas.attachment import AttachmentResponse
 from app.api.schemas.ticket import (
-    TicketCreate, TicketUpdate, TicketResponse, 
+    TicketCreate, TicketUpdate, TicketResponse,
     TicketCloseRequest, CommentCreate, CommentResponse
 )
 from app.core.file_handler import file_handler
@@ -28,100 +30,33 @@ from app.api.v1.helpers import (
     safe_audit_log, generate_next_ticket_number, calculate_sla_deadlines, ticket_to_dict
 )
 from app.services.audit_service import AuditService
+from app.services.ticket_service import TicketService, get_ticket_service
 
 router = APIRouter()
 
+
 @router.post("/", response_model=TicketResponse, status_code=status.HTTP_201_CREATED)
-async def create_ticket(ticket: TicketCreate, db: AsyncSession = Depends(get_db), current_user: User = Depends(get_current_user)):
+async def create_ticket(
+    ticket: TicketCreate,
+    current_user: User = Depends(get_current_user),
+    ticket_service: TicketService = Depends(get_ticket_service),
+):
     """Crear un nuevo ticket"""
-    max_retries = 3
-    last_error = None
-    
-    for attempt in range(max_retries):
-        try:
-            ticket_number = await generate_next_ticket_number(db, current_user.tenant_id)
-            category_uuid = uuid.UUID(ticket.category_id) if ticket.category_id else None
-            system_uuid = uuid.UUID(ticket.affected_system_id) if ticket.affected_system_id else None
-            
-            category = None
-            if category_uuid:
-                category = await db.get(Category, category_uuid)
-                if not category:
-                    raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail=f"La categoría con ID {ticket.category_id} no existe.")
-                # ✅ SECURITY: Validate category belongs to current tenant (prevents cross-tenant category injection)
-                if category.tenant_id != current_user.tenant_id:
-                    raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail=f"La categoría con ID {ticket.category_id} no existe.")
-            
-            if system_uuid:
-                system = await db.get(System, system_uuid)
-                if not system:
-                    raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail=f"El sistema con ID {ticket.affected_system_id} no existe.")
-                # ✅ SECURITY: Validate system belongs to current tenant (prevents cross-tenant system injection)
-                if system.tenant_id != current_user.tenant_id:
-                    raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail=f"El sistema con ID {ticket.affected_system_id} no existe.")
-            
-            sla_response_due, sla_resolution_due = calculate_sla_deadlines(category)
-            assigned_to_user = category.auto_assign_to if category and category.auto_assign_to else None
-            
-            db_ticket = Ticket(
-                id=uuid.uuid4(), tenant_id=current_user.tenant_id, ticket_number=ticket_number,
-                subject=ticket.subject, description=ticket.description, category_id=category_uuid,
-                affected_system_id=system_uuid, priority=TicketPriority[ticket.priority.upper()],
-                created_by=current_user.id, assigned_to=assigned_to_user, status=TicketStatus.NEW,
-                sla_response_due=sla_response_due, sla_resolution_due=sla_resolution_due,
-                created_at=datetime.utcnow(), updated_at=datetime.utcnow()
-            )
-            
-            db.add(db_ticket)
-            await db.commit()
-            await db.refresh(db_ticket)
-            
-            await safe_audit_log(db=db, tenant_id=current_user.tenant_id, user_id=current_user.id,
-                action="ticket.create", resource_type="ticket", resource_id=db_ticket.id,
-                new_values={"ticket_number": db_ticket.ticket_number, "subject": db_ticket.subject,
-                           "priority": db_ticket.priority.value, "status": db_ticket.status.value})
-            
-            return {
-                "id": str(db_ticket.id), "ticket_number": db_ticket.ticket_number, "subject": db_ticket.subject,
-                "title": db_ticket.subject, "description": db_ticket.description, "status": db_ticket.status.value,
-                "priority": db_ticket.priority.value, "category_id": str(db_ticket.category_id) if db_ticket.category_id else None,
-                "affected_system_id": str(db_ticket.affected_system_id) if db_ticket.affected_system_id else None,
-                "system_id": str(db_ticket.affected_system_id) if db_ticket.affected_system_id else None,
-                "contact_email": ticket.contact_email,
-                "contact_phone": ticket.contact_phone,
-                "created_by": str(db_ticket.created_by), "assigned_to": str(db_ticket.assigned_to) if db_ticket.assigned_to else None,
-                "created_at": db_ticket.created_at, "updated_at": db_ticket.updated_at,
-                "sla_response_due": db_ticket.sla_response_due,
-                "sla_resolution_due": db_ticket.sla_resolution_due,
-                "first_response_at": db_ticket.first_response_at,
-                "resolved_at": db_ticket.resolved_at,
-            }
-            
-        except ValueError as e:
-            await db.rollback()
-            raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail=f"Invalid UUID format: {str(e)}")
-        except HTTPException:
-            await db.rollback()
-            raise
-        except Exception as e:
-            await db.rollback()
-            last_error = e
-            if "duplicate key" in str(e).lower() and "ticket_number" in str(e).lower():
-                if attempt < max_retries - 1:
-                    continue
-            raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail=f"Error creating ticket: {str(e)}")
-    
-    raise HTTPException(status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
-        detail=f"No se pudo crear el ticket después de {max_retries} intentos: {str(last_error)}")
+    return await ticket_service.create_ticket(ticket, current_user.tenant_id, current_user.id)
+
 
 @router.get("/", response_model=List[TicketResponse])
-async def get_tickets(skip: int = 0, limit: int = 100, status: Optional[str] = None, priority: Optional[str] = None,
-    db: AsyncSession = Depends(get_db), current_user: User = Depends(get_current_user)):
+async def get_tickets(
+    skip: int = 0, limit: int = 100,
+    status: Optional[str] = None, priority: Optional[str] = None,
+    db: AsyncSession = Depends(get_db),
+    current_user: User = Depends(get_current_user)
+):
     """Obtener tickets con filtros opcionales"""
     query = select(Ticket).where(Ticket.tenant_id == current_user.tenant_id)
-    if current_user.role in ["CLIENT_USER", "CLIENT_ADMIN"]:
+    if current_user.role == UserRole.CLIENT_USER:
         query = query.where(Ticket.created_by == current_user.id)
-    
+
     query = apply_enum_filter(query, Ticket.status, status, TicketStatus, "status")
     query = apply_enum_filter(query, Ticket.priority, priority, TicketPriority, "priority")
     query = query.options(
@@ -130,26 +65,29 @@ async def get_tickets(skip: int = 0, limit: int = 100, status: Optional[str] = N
         selectinload(Ticket.assigned_to_user)
     )
     query = query.order_by(Ticket.created_at.desc()).offset(skip).limit(limit)
-    
+
     result = await db.execute(query)
     tickets = result.scalars().all()
-    
     return [ticket_to_dict(t) for t in tickets]
 
+
 @router.get("/admin/all", response_model=List[dict])
-async def get_all_tickets_admin(skip: int = 0, limit: int = 100, status_filter: Optional[str] = None,
-    priority_filter: Optional[str] = None, tenant_id_filter: Optional[str] = None, category_filter: Optional[str] = None,
-    assigned_to_filter: Optional[str] = None, search: Optional[str] = None, date_from: Optional[str] = None,
-    date_to: Optional[str] = None, db: AsyncSession = Depends(get_db), current_user: User = Depends(get_current_user)):
+async def get_all_tickets_admin(
+    skip: int = 0, limit: int = 100,
+    status_filter: Optional[str] = None, priority_filter: Optional[str] = None,
+    tenant_id_filter: Optional[str] = None, category_filter: Optional[str] = None,
+    assigned_to_filter: Optional[str] = None, search: Optional[str] = None,
+    date_from: Optional[str] = None, date_to: Optional[str] = None,
+    db: AsyncSession = Depends(get_db),
+    current_user: User = Depends(get_current_user)
+):
     """Obtener todos los tickets del tenant del administrador (ADMIN/SUPPORT_MANAGER)."""
-    if current_user.role not in ["ADMIN", "SUPPORT_MANAGER"]:
+    if current_user.role not in (UserRole.ADMIN, UserRole.SUPPORT_MANAGER):
         raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail="No tienes permisos para acceder a esta función")
 
     query = select(Ticket, Tenant, User).join(Tenant, Ticket.tenant_id == Tenant.id).join(User, Ticket.created_by == User.id)
 
-    # SUPPORT_MANAGER solo ve su propio tenant.
-    # ADMIN ve todos los tenants (es el administrador de la plataforma).
-    if current_user.role == "SUPPORT_MANAGER":
+    if current_user.role == UserRole.SUPPORT_MANAGER:
         query = query.where(Ticket.tenant_id == current_user.tenant_id)
 
     query = apply_enum_filter(query, Ticket.status, status_filter, TicketStatus, "status")
@@ -175,12 +113,11 @@ async def get_all_tickets_admin(skip: int = 0, limit: int = 100, status_filter:
             query = query.where(Ticket.created_at < date_to_parsed)
         except ValueError:
             raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="Invalid date_to format. Use YYYY-MM-DD")
-    
+
     query = query.order_by(Ticket.created_at.desc()).offset(skip).limit(limit)
     result = await db.execute(query)
     rows = result.all()
-    
-    # Cargar categorías en un solo query para evitar N+1
+
     category_ids = list({ticket.category_id for ticket, _, _ in rows if ticket.category_id})
     categories_map = {}
     if category_ids:
@@ -196,44 +133,66 @@ async def get_all_tickets_admin(skip: int = 0, limit: int = 100, status_filter:
          "category_name": categories_map.get(ticket.category_id) if ticket.category_id else None,
          "created_by": str(ticket.created_by), "creator_name": f"{creator.first_name} {creator.last_name}",
          "creator_email": creator.email, "assigned_to": str(ticket.assigned_to) if ticket.assigned_to else None,
-         "created_at": ticket.created_at, "updated_at": ticket.updated_at, "sla_response_due": ticket.sla_response_due,
-         "sla_resolution_due": ticket.sla_resolution_due, "first_response_at": ticket.first_response_at,
-         "resolved_at": ticket.resolved_at}
+         "created_at": ticket.created_at, "updated_at": ticket.updated_at,
+         "sla_response_due": ticket.sla_response_due, "sla_resolution_due": ticket.sla_resolution_due,
+         "first_response_at": ticket.first_response_at, "resolved_at": ticket.resolved_at}
         for ticket, tenant, creator in rows
     ]
 
+
 @router.get("/{ticket_id}", response_model=TicketResponse)
-async def get_ticket(ticket_id: str, db: AsyncSession = Depends(get_db), current_user: User = Depends(get_current_user)):
+async def get_ticket(
+    ticket_id: str,
+    db: AsyncSession = Depends(get_db),
+    current_user: User = Depends(get_current_user)
+):
     """Obtener un ticket por ID"""
     ticket_uuid = validate_uuid_param(ticket_id, "ticket ID")
-    query = select(Ticket).where(Ticket.id == ticket_uuid, Ticket.tenant_id == current_user.tenant_id)
-    if current_user.role in ["CLIENT_USER", "CLIENT_ADMIN"]:
+    query = select(Ticket).where(Ticket.id == ticket_uuid)
+    if current_user.role != UserRole.ADMIN:
+        query = query.where(Ticket.tenant_id == current_user.tenant_id)
+    if current_user.role.is_client:
         query = query.where(Ticket.created_by == current_user.id)
-    
-    query = query.options(selectinload(Ticket.category), selectinload(Ticket.affected_system), selectinload(Ticket.assigned_to_user))
+
+    query = query.options(
+        selectinload(Ticket.category),
+        selectinload(Ticket.affected_system),
+        selectinload(Ticket.assigned_to_user)
+    )
     result = await db.execute(query)
     db_ticket = result.scalars().first()
-    
+
     if not db_ticket:
         raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail=f"Ticket {ticket_id} not found")
-    
+
     return ticket_to_dict(db_ticket)
 
+
 @router.patch("/{ticket_id}", response_model=TicketResponse)
-async def update_ticket(ticket_id: str, ticket: TicketUpdate, db: AsyncSession = Depends(get_db), current_user: User = Depends(get_current_user)):
+async def update_ticket(
+    ticket_id: str, ticket: TicketUpdate,
+    db: AsyncSession = Depends(get_db),
+    current_user: User = Depends(get_current_user)
+):
     """Actualizar un ticket"""
     ticket_uuid = validate_uuid_param(ticket_id, "ticket ID")
-    query = select(Ticket).where(Ticket.id == ticket_uuid, Ticket.tenant_id == current_user.tenant_id)
-    if current_user.role in ["CLIENT_USER", "CLIENT_ADMIN"]:
+    query = select(Ticket).where(Ticket.id == ticket_uuid)
+    if current_user.role != UserRole.ADMIN:
+        query = query.where(Ticket.tenant_id == current_user.tenant_id)
+    if current_user.role.is_client:
         query = query.where(Ticket.created_by == current_user.id)
-    
+
     result = await db.execute(query)
     db_ticket = result.scalars().first()
     if not db_ticket:
         raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail=f"Ticket {ticket_id} not found")
-    
-    old_values = {"status": db_ticket.status.value, "priority": db_ticket.priority.value, "assigned_to": str(db_ticket.assigned_to) if db_ticket.assigned_to else None}
-    
+
+    old_values = {
+        "status": db_ticket.status.value,
+        "priority": db_ticket.priority.value,
+        "assigned_to": str(db_ticket.assigned_to) if db_ticket.assigned_to else None
+    }
+
     update_data = ticket.dict(exclude_unset=True)
     for field, value in update_data.items():
         if field == "status" and value:
@@ -244,37 +203,48 @@ async def update_ticket(ticket_id: str, ticket: TicketUpdate, db: AsyncSession =
             setattr(db_ticket, field, uuid.UUID(value))
         elif value is not None:
             setattr(db_ticket, field, value)
-    
+
     db_ticket.updated_at = datetime.utcnow()
     await db.commit()
     await db.refresh(db_ticket, ["category", "affected_system", "assigned_to_user"])
-    
-    new_values = {"status": db_ticket.status.value, "priority": db_ticket.priority.value, "assigned_to": str(db_ticket.assigned_to) if db_ticket.assigned_to else None}
-    await safe_audit_log(db=db, tenant_id=current_user.tenant_id, user_id=current_user.id,
+
+    new_values = {
+        "status": db_ticket.status.value,
+        "priority": db_ticket.priority.value,
+        "assigned_to": str(db_ticket.assigned_to) if db_ticket.assigned_to else None
+    }
+    await safe_audit_log(
+        db=db, tenant_id=current_user.tenant_id, user_id=current_user.id,
         action="ticket.update", resource_type="ticket", resource_id=db_ticket.id,
-        old_values=old_values, new_values=new_values)
-    
+        old_values=old_values, new_values=new_values
+    )
+
     return ticket_to_dict(db_ticket)
 
+
 @router.patch("/{ticket_id}/close", response_model=TicketResponse)
-async def close_ticket(ticket_id: str, close_request: TicketCloseRequest, db: AsyncSession = Depends(get_db), current_user: User = Depends(get_current_user)):
+async def close_ticket(
+    ticket_id: str, close_request: TicketCloseRequest,
+    db: AsyncSession = Depends(get_db),
+    current_user: User = Depends(get_current_user)
+):
     """Cerrar un ticket"""
     ticket_uuid = validate_uuid_param(ticket_id, "ticket ID")
     query = select(Ticket).where(Ticket.id == ticket_uuid, Ticket.tenant_id == current_user.tenant_id)
     result = await db.execute(query)
     db_ticket = result.scalars().first()
-    
+
     if not db_ticket:
         raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail=f"Ticket {ticket_id} not found")
-    
+
     if db_ticket.status in [TicketStatus.CLOSED, TicketStatus.RESOLVED]:
         raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="Ticket ya está cerrado o resuelto")
-    
+
     old_status = db_ticket.status.value
     db_ticket.status = TicketStatus.CLOSED
     db_ticket.resolved_at = datetime.utcnow()
     db_ticket.updated_at = datetime.utcnow()
-    
+
     if close_request.resolution_notes:
         comment = TicketComment(
             id=uuid.uuid4(), ticket_id=ticket_uuid, author_id=current_user.id,
@@ -282,203 +252,430 @@ async def close_ticket(ticket_id: str, close_request: TicketCloseRequest, db: As
             is_internal=False, created_at=datetime.utcnow(), updated_at=datetime.utcnow()
         )
         db.add(comment)
-    
+
     await db.commit()
     await db.refresh(db_ticket, ["category", "affected_system", "assigned_to_user"])
-    
-    await safe_audit_log(db=db, tenant_id=current_user.tenant_id, user_id=current_user.id,
+
+    await safe_audit_log(
+        db=db, tenant_id=current_user.tenant_id, user_id=current_user.id,
         action="ticket.close", resource_type="ticket", resource_id=db_ticket.id,
-        old_values={"status": old_status}, new_values={"status": db_ticket.status.value, "resolution_notes": close_request.resolution_notes})
-    
+        old_values={"status": old_status},
+        new_values={"status": db_ticket.status.value, "resolution_notes": close_request.resolution_notes}
+    )
+
     return ticket_to_dict(db_ticket)
 
+
 @router.get("/{ticket_id}/comments", response_model=List[CommentResponse])
-async def get_ticket_comments(ticket_id: str, db: AsyncSession = Depends(get_db), current_user: User = Depends(get_current_user)):
+async def get_ticket_comments(
+    ticket_id: str,
+    db: AsyncSession = Depends(get_db),
+    current_user: User = Depends(get_current_user)
+):
     """Obtener comentarios de un ticket"""
     ticket_uuid = validate_uuid_param(ticket_id, "ticket ID")
-    query = select(Ticket).where(Ticket.id == ticket_uuid, Ticket.tenant_id == current_user.tenant_id)
-    if current_user.role in ["CLIENT_USER", "CLIENT_ADMIN"]:
+    query = select(Ticket).where(Ticket.id == ticket_uuid)
+    if current_user.role != UserRole.ADMIN:
+        query = query.where(Ticket.tenant_id == current_user.tenant_id)
+    if current_user.role.is_client:
         query = query.where(Ticket.created_by == current_user.id)
-    
+
     result = await db.execute(query)
     ticket_obj = result.scalars().first()
     if not ticket_obj:
         raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail=f"Ticket {ticket_id} not found")
-    
-    comments_query = select(TicketComment).where(TicketComment.ticket_id == ticket_uuid).options(selectinload(TicketComment.author)).order_by(TicketComment.created_at.desc())
+
+    comments_query = (
+        select(TicketComment)
+        .where(TicketComment.ticket_id == ticket_uuid)
+        .options(selectinload(TicketComment.author))
+        .order_by(TicketComment.created_at.desc())
+    )
     result = await db.execute(comments_query)
     comments = result.scalars().all()
-    
+
     return [
         {"id": str(c.id), "ticket_id": str(c.ticket_id), "author_id": str(c.author_id),
          "author_name": f"{c.author.first_name} {c.author.last_name}" if c.author else "Unknown",
-         "content": c.content, "is_internal": c.is_internal, "created_at": c.created_at, "updated_at": c.updated_at}
+         "content": c.content, "is_internal": c.is_internal,
+         "created_at": c.created_at, "updated_at": c.updated_at}
         for c in comments
     ]
 
+
 @router.post("/{ticket_id}/comments", response_model=CommentResponse, status_code=status.HTTP_201_CREATED)
-async def create_comment(ticket_id: str, comment: CommentCreate, db: AsyncSession = Depends(get_db), current_user: User = Depends(get_current_user)):
+async def create_comment(
+    ticket_id: str, comment: CommentCreate,
+    db: AsyncSession = Depends(get_db),
+    current_user: User = Depends(get_current_user)
+):
     """Crear un comentario en un ticket"""
     ticket_uuid = validate_uuid_param(ticket_id, "ticket ID")
     query = select(Ticket).where(Ticket.id == ticket_uuid, Ticket.tenant_id == current_user.tenant_id)
-    if current_user.role in ["CLIENT_USER", "CLIENT_ADMIN"]:
+    if current_user.role.is_client:
         query = query.where(Ticket.created_by == current_user.id)
-    
+
     result = await db.execute(query)
     ticket_obj = result.scalars().first()
     if not ticket_obj:
         raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail=f"Ticket {ticket_id} not found")
-    
+
+    # Fix is_internal — clientes no pueden crear comentarios internos
+    if comment.is_internal and current_user.role.is_client:
+        raise HTTPException(
+            status_code=status.HTTP_403_FORBIDDEN,
+            detail="Clientes no pueden crear comentarios internos"
+        )
+
     new_comment = TicketComment(
         id=uuid.uuid4(), ticket_id=ticket_uuid, author_id=current_user.id,
         content=comment.content, is_internal=comment.is_internal,
         created_at=datetime.utcnow(), updated_at=datetime.utcnow()
     )
     db.add(new_comment)
-    
+
     staff_roles = ["ADMIN", "SUPPORT_MANAGER", "AGENT"]
     if current_user.role in staff_roles and not comment.is_internal and ticket_obj.first_response_at is None:
         ticket_obj.first_response_at = datetime.utcnow()
-    
+
     ticket_obj.updated_at = datetime.utcnow()
     await db.commit()
     await db.refresh(new_comment)
-    
+
     return {
-        "id": str(new_comment.id), "ticket_id": str(new_comment.ticket_id), "author_id": str(new_comment.author_id),
+        "id": str(new_comment.id), "ticket_id": str(new_comment.ticket_id),
+        "author_id": str(new_comment.author_id),
         "author_name": f"{current_user.first_name} {current_user.last_name}",
         "content": new_comment.content, "is_internal": new_comment.is_internal,
         "created_at": new_comment.created_at, "updated_at": new_comment.updated_at
     }
 
+
 @router.delete("/{ticket_id}", status_code=status.HTTP_204_NO_CONTENT)
-async def delete_ticket(ticket_id: str, db: AsyncSession = Depends(get_db), current_user: User = Depends(get_current_user)):
+async def delete_ticket(
+    ticket_id: str,
+    db: AsyncSession = Depends(get_db),
+    current_user: User = Depends(get_current_user)
+):
     """Eliminar un ticket (solo admin/manager)"""
+    if current_user.role not in (UserRole.ADMIN, UserRole.SUPPORT_MANAGER):
+        raise HTTPException(
+            status_code=status.HTTP_403_FORBIDDEN,
+            detail="No tienes permisos para eliminar tickets"
+        )
     ticket_uuid = validate_uuid_param(ticket_id, "ticket ID")
     query = select(Ticket).where(Ticket.id == ticket_uuid, Ticket.tenant_id == current_user.tenant_id)
     result = await db.execute(query)
     db_ticket = result.scalars().first()
-    
+
     if not db_ticket:
         raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail=f"Ticket {ticket_id} not found")
-    
-    old_values = {"ticket_number": db_ticket.ticket_number, "subject": db_ticket.subject,
-                  "status": db_ticket.status.value, "priority": db_ticket.priority.value}
-    
+
+    old_values = {
+        "ticket_number": db_ticket.ticket_number, "subject": db_ticket.subject,
+        "status": db_ticket.status.value, "priority": db_ticket.priority.value
+    }
+
     await db.delete(db_ticket)
     await db.commit()
-    
-    await safe_audit_log(db=db, tenant_id=current_user.tenant_id, user_id=current_user.id,
-        action="ticket.delete", resource_type="ticket", resource_id=ticket_uuid, old_values=old_values)
-    
+
+    await safe_audit_log(
+        db=db, tenant_id=current_user.tenant_id, user_id=current_user.id,
+        action="ticket.delete", resource_type="ticket", resource_id=ticket_uuid,
+        old_values=old_values
+    )
+
     return {"message": "Ticket deleted successfully"}
 
+
 @router.get("/{ticket_id}/attachments", response_model=List[AttachmentResponse])
-async def get_ticket_attachments(ticket_id: str, db: AsyncSession = Depends(get_db), current_user: User = Depends(get_current_user), current_tenant: Tenant = Depends(get_current_tenant)):
+async def get_ticket_attachments(
+    ticket_id: str,
+    db: AsyncSession = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+    current_tenant: Tenant = Depends(get_current_tenant)
+):
     """Obtener adjuntos de un ticket"""
     ticket_uuid = validate_uuid_param(ticket_id, "ticket ID")
-    result = await db.execute(select(Ticket).where(Ticket.id == ticket_uuid, Ticket.tenant_id == current_tenant.id))
+
+    query = select(Ticket).where(Ticket.id == ticket_uuid)
+    if current_user.role != UserRole.ADMIN:
+        query = query.where(Ticket.tenant_id == current_tenant.id)
+    result = await db.execute(query)
     ticket = result.scalar_one_or_none()
-    
+
     if not ticket:
         raise HTTPException(status_code=404, detail="Ticket no encontrado")
 
-    if current_user.role in ["CLIENT_USER", "CLIENT_ADMIN"] and ticket.created_by != current_user.id:
+    if current_user.role.is_client and ticket.created_by != current_user.id:
         raise HTTPException(status_code=404, detail="Ticket no encontrado")
-    
-    result = await db.execute(select(TicketAttachment).where(TicketAttachment.ticket_id == ticket_uuid).options(selectinload(TicketAttachment.uploaded_by_user)).order_by(TicketAttachment.created_at.desc()))
+
+    result = await db.execute(
+        select(TicketAttachment)
+        .where(TicketAttachment.ticket_id == ticket_uuid)
+        .options(selectinload(TicketAttachment.uploaded_by_user))
+        .order_by(TicketAttachment.created_at.desc())
+    )
     attachments = result.scalars().all()
-    
+
     return [
         AttachmentResponse(
-            id=att.id, ticket_id=att.ticket_id, comment_id=att.comment_id, uploaded_by=att.uploaded_by,
-            filename=att.filename, original_filename=att.original_filename, mime_type=att.mime_type,
+            id=att.id, ticket_id=att.ticket_id, comment_id=att.comment_id,
+            uploaded_by=att.uploaded_by, filename=att.filename,
+            original_filename=att.original_filename, mime_type=att.mime_type,
             file_size=att.file_size, file_path=att.file_path,
             uploaded_by_name=f"{att.uploaded_by_user.first_name} {att.uploaded_by_user.last_name}" if att.uploaded_by_user else "Unknown",
-            created_at=att.created_at, download_url=f"/api/v1/tickets/{ticket_id}/attachments/{att.id}/download"
+            created_at=att.created_at,
+            download_url=f"/api/v1/tickets/{ticket_id}/attachments/{att.id}/download"
         ) for att in attachments
     ]
 
+
 @router.post("/{ticket_id}/attachments", status_code=status.HTTP_201_CREATED)
-async def upload_attachment(ticket_id: str, file: UploadFile = File(...), db: AsyncSession = Depends(get_db),
-    current_user: User = Depends(get_current_user), current_tenant: Tenant = Depends(get_current_tenant)):
+async def upload_attachment(
+    ticket_id: str, file: UploadFile = File(...),
+    db: AsyncSession = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+    current_tenant: Tenant = Depends(get_current_tenant)
+):
     """Subir un archivo adjunto a un ticket"""
     ticket_uuid = validate_uuid_param(ticket_id, "ticket ID")
-    result = await db.execute(select(Ticket).where(Ticket.id == ticket_uuid, Ticket.tenant_id == current_tenant.id))
+
+    query = select(Ticket).where(Ticket.id == ticket_uuid)
+    if current_user.role != UserRole.ADMIN:
+        query = query.where(Ticket.tenant_id == current_tenant.id)
+    result = await db.execute(query)
     ticket = result.scalar_one_or_none()
-    
+
     if not ticket:
         raise HTTPException(status_code=404, detail="Ticket no encontrado")
 
-    if current_user.role in ["CLIENT_USER", "CLIENT_ADMIN"] and ticket.created_by != current_user.id:
+    if current_user.role.is_client and ticket.created_by != current_user.id:
         raise HTTPException(status_code=404, detail="Ticket no encontrado")
-    
-    file_metadata = await file_handler.save_upload(file, current_tenant.id, ticket_uuid)
-    
+
+    # Para el file_handler usamos el tenant real del ticket
+    upload_tenant_id = ticket.tenant_id
+    file_metadata = await file_handler.save_upload(file, upload_tenant_id, ticket_uuid)
+
     attachment = TicketAttachment(
-        id=uuid.uuid4(), ticket_id=ticket_uuid, uploaded_by=current_user.id, filename=file_metadata["filename"],
-        original_filename=file_metadata["original_filename"], mime_type=file_metadata["mime_type"],
-        file_size=file_metadata["file_size"], file_path=file_metadata["file_path"],
-        md5_hash=file_metadata["md5_hash"], sha256_hash=file_metadata["sha256_hash"], created_at=datetime.utcnow()
+        id=uuid.uuid4(), ticket_id=ticket_uuid, uploaded_by=current_user.id,
+        filename=file_metadata["filename"], original_filename=file_metadata["original_filename"],
+        mime_type=file_metadata["mime_type"], file_size=file_metadata["file_size"],
+        file_path=file_metadata["file_path"], md5_hash=file_metadata["md5_hash"],
+        sha256_hash=file_metadata["sha256_hash"], created_at=datetime.utcnow()
     )
-    
+
     db.add(attachment)
     await db.commit()
     await db.refresh(attachment, ["uploaded_by_user"])
-    
+
     return {
         "success": True, "message": "Archivo subido exitosamente",
         "data": AttachmentResponse(
             id=attachment.id, ticket_id=attachment.ticket_id, comment_id=attachment.comment_id,
-            uploaded_by=attachment.uploaded_by, filename=attachment.filename, original_filename=attachment.original_filename,
-            mime_type=attachment.mime_type, file_size=attachment.file_size, file_path=attachment.file_path,
+            uploaded_by=attachment.uploaded_by, filename=attachment.filename,
+            original_filename=attachment.original_filename, mime_type=attachment.mime_type,
+            file_size=attachment.file_size, file_path=attachment.file_path,
             uploaded_by_name=f"{attachment.uploaded_by_user.first_name} {attachment.uploaded_by_user.last_name}",
-            created_at=attachment.created_at, download_url=f"/api/v1/tickets/{ticket_id}/attachments/{attachment.id}/download"
+            created_at=attachment.created_at,
+            download_url=f"/api/v1/tickets/{ticket_id}/attachments/{attachment.id}/download"
         )
     }
 
+
 @router.get("/{ticket_id}/attachments/{attachment_id}/download")
-async def download_attachment(ticket_id: str, attachment_id: str, db: AsyncSession = Depends(get_db),
-    current_user: User = Depends(get_current_user), current_tenant: Tenant = Depends(get_current_tenant)):
+async def download_attachment(
+    ticket_id: str, attachment_id: str,
+    db: AsyncSession = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+    current_tenant: Tenant = Depends(get_current_tenant)
+):
     """Descargar un archivo adjunto"""
     import logging
     logger = logging.getLogger(__name__)
-    
-    logger.info(f"Download request - ticket_id: {ticket_id}, attachment_id: {attachment_id}")
-    
+
     ticket_uuid = validate_uuid_param(ticket_id, "ticket ID")
     attachment_uuid = validate_uuid_param(attachment_id, "attachment ID")
-    
-    result = await db.execute(select(Ticket).where(Ticket.id == ticket_uuid, Ticket.tenant_id == current_tenant.id))
+
+    query = select(Ticket).where(Ticket.id == ticket_uuid)
+    if current_user.role != UserRole.ADMIN:
+        query = query.where(Ticket.tenant_id == current_tenant.id)
+    result = await db.execute(query)
     ticket = result.scalar_one_or_none()
-    
+
     if not ticket:
-        logger.error(f"Ticket not found - ticket_id: {ticket_id}")
         raise HTTPException(status_code=404, detail="Ticket no encontrado")
 
-    if current_user.role in ["CLIENT_USER", "CLIENT_ADMIN"] and ticket.created_by != current_user.id:
+    if current_user.role.is_client and ticket.created_by != current_user.id:
         raise HTTPException(status_code=404, detail="Ticket no encontrado")
-    
-    result = await db.execute(select(TicketAttachment).where(TicketAttachment.id == attachment_uuid, TicketAttachment.ticket_id == ticket_uuid))
+
+    result = await db.execute(
+        select(TicketAttachment).where(
+            TicketAttachment.id == attachment_uuid,
+            TicketAttachment.ticket_id == ticket_uuid
+        )
+    )
     attachment = result.scalar_one_or_none()
-    
+
     if not attachment:
-        logger.error(f"Attachment not found - attachment_id: {attachment_id}")
         raise HTTPException(status_code=404, detail="Adjunto no encontrado")
-    
-    logger.info(f"Attachment found - file_path: {attachment.file_path}, original_filename: {attachment.original_filename}")
-    
+
     try:
         file_path = file_handler.get_file_path(attachment.file_path)
-        logger.info(f"Absolute file path: {file_path}")
-        
         if not file_path.exists():
-            logger.error(f"File does not exist at path: {file_path}")
             raise HTTPException(status_code=404, detail="Archivo no encontrado en el sistema")
-            
     except Exception as e:
         logger.error(f"Error getting file path: {str(e)}")
         raise
-    
-    logger.info(f"Returning file: {attachment.original_filename}")
-    return FileResponse(path=file_path, filename=attachment.original_filename, media_type=attachment.mime_type)
+
+    return FileResponse(
+        path=file_path,
+        filename=attachment.original_filename,
+        media_type=attachment.mime_type
+    )
+
+@router.get("/{ticket_id}/issues", response_model=List[IssueResponse])
+async def get_ticket_issues(
+    ticket_id: str,
+    db: AsyncSession = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+):
+    """Obtener asuntos de un ticket."""
+    ticket_uuid = validate_uuid_param(ticket_id, "ticket ID")
+
+    query = select(Ticket).where(Ticket.id == ticket_uuid)
+    if current_user.role != UserRole.ADMIN:
+        query = query.where(Ticket.tenant_id == current_user.tenant_id)
+    if current_user.role.is_client:
+        query = query.where(Ticket.created_by == current_user.id)
+
+    result = await db.execute(query)
+    ticket_obj = result.scalars().first()
+    if not ticket_obj:
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Ticket no encontrado")
+
+    issues_query = (
+        select(TicketIssue)
+        .where(TicketIssue.ticket_id == ticket_uuid)
+        .options(
+            selectinload(TicketIssue.created_by_user),
+            selectinload(TicketIssue.tagged_users),
+        )
+        .order_by(TicketIssue.created_at.desc())
+    )
+    result = await db.execute(issues_query)
+    issues = result.scalars().all()
+
+    return [
+        IssueResponse(
+            id=issue.id, ticket_id=issue.ticket_id, tenant_id=issue.tenant_id,
+            content=issue.content, priority=issue.priority.value,
+            created_by=issue.created_by,
+            created_by_name=f"{issue.created_by_user.first_name} {issue.created_by_user.last_name}",
+            tagged_users=[
+                {"id": u.id, "full_name": f"{u.first_name} {u.last_name}", "email": u.email}
+                for u in issue.tagged_users
+             ],
+            attachment_filename=issue.attachment_filename,
+            attachment_mime_type=issue.attachment_mime_type,
+            created_at=issue.created_at, updated_at=issue.updated_at,
+        )
+        for issue in issues
+    ]
+
+
+@router.post("/{ticket_id}/issues", response_model=IssueResponse, status_code=status.HTTP_201_CREATED)
+async def create_ticket_issue(
+    ticket_id: str,
+    issue: IssueCreate,
+    file: Optional[UploadFile] = File(None),
+    db: AsyncSession = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+    current_tenant: Tenant = Depends(get_current_tenant),
+):
+    """Crear un asunto de escalación en un ticket."""
+    ticket_uuid = validate_uuid_param(ticket_id, "ticket ID")
+
+    result = await db.execute(
+        select(Ticket).where(
+            Ticket.id == ticket_uuid,
+            Ticket.tenant_id == current_user.tenant_id,
+        )
+    )
+    ticket_obj = result.scalars().first()
+    if not ticket_obj:
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Ticket no encontrado")
+
+    is_ticket_owner = ticket_obj.created_by == current_user.id
+    is_client_admin = current_user.role == UserRole.CLIENT_ADMIN
+    is_staff = current_user.role.is_global
+
+    if not is_ticket_owner and not is_client_admin and not is_staff:
+        raise HTTPException(
+            status_code=status.HTTP_403_FORBIDDEN,
+            detail="Solo el creador del ticket o el administrador pueden crear asuntos",
+        )
+
+    tagged_users = []
+    if issue.tagged_user_ids:
+        result = await db.execute(
+            select(User).where(
+                User.id.in_(issue.tagged_user_ids),
+                User.is_active == True,
+            )
+        )
+        tagged_users = result.scalars().all()
+
+        found_ids = {u.id for u in tagged_users}
+        missing = [str(uid) for uid in issue.tagged_user_ids if uid not in found_ids]
+        if missing:
+            raise HTTPException(
+                status_code=status.HTTP_400_BAD_REQUEST,
+                detail=f"Usuarios no encontrados: {missing}",
+            )
+
+    attachment_path = None
+    attachment_filename = None
+    attachment_mime_type = None
+    if file and file.filename:
+        file_metadata = await file_handler.save_upload(file, current_tenant.id, ticket_uuid)
+        attachment_path = file_metadata["file_path"]
+        attachment_filename = file_metadata["original_filename"]
+        attachment_mime_type = file_metadata["mime_type"]
+
+    new_issue = TicketIssue(
+        id=uuid.uuid4(), ticket_id=ticket_uuid,
+        tenant_id=current_user.tenant_id, created_by=current_user.id,
+        content=issue.content, priority=TicketPriority[issue.priority],
+        attachment_path=attachment_path, attachment_filename=attachment_filename,
+        attachment_mime_type=attachment_mime_type,
+        created_at=datetime.utcnow(), updated_at=datetime.utcnow(),
+    )
+    new_issue.tagged_users = tagged_users
+    db.add(new_issue)
+
+    await db.commit()
+    await db.refresh(new_issue, ["created_by_user", "tagged_users"])
+
+    await safe_audit_log(
+        db=db, tenant_id=current_user.tenant_id, user_id=current_user.id,
+        action="ticket.issue.create", resource_type="ticket_issue", resource_id=new_issue.id,
+        new_values={
+            "ticket_id": str(ticket_uuid), "priority": issue.priority,
+            "tagged_users": [str(uid) for uid in issue.tagged_user_ids],
+        },
+    )
+
+    return IssueResponse(
+        id=new_issue.id, ticket_id=new_issue.ticket_id, tenant_id=new_issue.tenant_id,
+        content=new_issue.content, priority=new_issue.priority.value,
+        created_by=new_issue.created_by,
+        created_by_name=f"{new_issue.created_by_user.first_name} {new_issue.created_by_user.last_name}",
+        tagged_users=[
+            {"id": u.id, "full_name": f"{u.first_name} {u.last_name}", "email": u.email}
+            for u in new_issue.tagged_users
+        ],
+        attachment_filename=new_issue.attachment_filename,
+        attachment_mime_type=new_issue.attachment_mime_type,
+        created_at=new_issue.created_at, updated_at=new_issue.updated_at,
+    )

backend/app/api/v1/endpoints/users.py

@@ -45,8 +45,12 @@ async def read_users(
     - role: filtrar por rol
     - is_active: filtrar por estado activo
     """
-    # ✅ CORREGIDO: Filtrar por tenant_id
-    query = select(User).where(User.tenant_id == current_user.tenant_id)
+    # ADMIN global ve todos los tenants; el resto solo ve su propio tenant
+    from app.models.user import UserRole as _UserRole
+    if current_user.role != _UserRole.ADMIN:
+        query = select(User).where(User.tenant_id == current_user.tenant_id)
+    else:
+        query = select(User)
     
     # Aplicar filtros opcionales
     if role:
@@ -144,10 +148,13 @@ async def read_user(
     
     ✅ Implementa multi-tenancy: solo permite acceso a usuarios del propio tenant.
     """
-    query = select(User).where(
-        User.id == user_id,
-        User.tenant_id == current_user.tenant_id  # ✅ Seguridad multi-tenant
-    )
+    if current_user.role.value == 'ADMIN':
+        query = select(User).where(User.id == user_id)
+    else:
+        query = select(User).where(
+            User.id == user_id,
+            User.tenant_id == current_user.tenant_id
+        )
     result = await db.execute(query)
     user = result.scalar_one_or_none()
     
@@ -183,11 +190,14 @@ async def update_user(
             detail="You don't have permission to update users"
         )
     
-    # Buscar usuario
-    query = select(User).where(
-        User.id == user_id,
-        User.tenant_id == current_user.tenant_id
-    )
+    # Buscar usuario - ADMIN global puede editar cualquier tenant
+    if current_user.role.value == "ADMIN":
+        query = select(User).where(User.id == user_id)
+    else:
+        query = select(User).where(
+            User.id == user_id,
+            User.tenant_id == current_user.tenant_id
+        )
     result = await db.execute(query)
     db_user = result.scalar_one_or_none()
     
@@ -276,8 +286,9 @@ async def delete_user(
     - No se puede eliminar a sí mismo
     - No se puede eliminar el último ADMIN del tenant
     """
-    # Verificar permisos - solo ADMIN puede eliminar
-    if current_user.role != UserRole.ADMIN:
+    # Verificar permisos - ADMIN global o CLIENT_ADMIN pueden eliminar
+    allowed = [UserRole.ADMIN, UserRole.CLIENT_ADMIN]
+    if current_user.role not in allowed:
         raise HTTPException(
             status_code=status.HTTP_403_FORBIDDEN,
             detail="Only admins can delete users"
@@ -290,11 +301,14 @@ async def delete_user(
             detail="You cannot delete yourself"
         )
     
-    # Buscar usuario
-    query = select(User).where(
-        User.id == user_id,
-        User.tenant_id == current_user.tenant_id
-    )
+    # Buscar usuario - ADMIN global puede editar cualquier tenant
+    if current_user.role.value == "ADMIN":
+        query = select(User).where(User.id == user_id)
+    else:
+        query = select(User).where(
+            User.id == user_id,
+            User.tenant_id == current_user.tenant_id
+        )
     result = await db.execute(query)
     db_user = result.scalar_one_or_none()
     
@@ -321,8 +335,8 @@ async def delete_user(
                 detail="Cannot delete the last active admin of the tenant"
             )
     
-    # Soft delete
-    db_user.is_active = False
+    # Hard delete
+    await db.delete(db_user)
     await db.commit()
     
     # Registrar eliminación en auditoría
@@ -367,11 +381,14 @@ async def activate_user(
             detail="You don't have permission to activate users"
         )
     
-    # Buscar usuario
-    query = select(User).where(
-        User.id == user_id,
-        User.tenant_id == current_user.tenant_id
-    )
+    # Buscar usuario - ADMIN global puede editar cualquier tenant
+    if current_user.role.value == "ADMIN":
+        query = select(User).where(User.id == user_id)
+    else:
+        query = select(User).where(
+            User.id == user_id,
+            User.tenant_id == current_user.tenant_id
+        )
     result = await db.execute(query)
     db_user = result.scalar_one_or_none()
     

backend/app/api/v1/helpers.py

@@ -68,11 +68,11 @@ async def generate_next_ticket_number(db: AsyncSession, tenant_id: uuid.UUID) ->
     last_ticket_number = result.scalar_one_or_none()
     
     if last_ticket_number:
-        last_number = int(last_ticket_number.split('-')[1])
+        last_number = int(last_ticket_number.split('-')[-1])
         next_number = last_number + 1
     else:
         next_number = 1
-    
+
     return f"TK-{next_number:06d}"
 
 

backend/app/api/v1/router.py

@@ -6,7 +6,7 @@ Router principal para la API v1
 
 from fastapi import APIRouter
 
-from app.api.v1.endpoints import auth, health, tenants, users, systems, categories, tickets, client_profile, audit, sla, reports
+from app.api.v1.endpoints import auth, health, tenants, users, systems, categories, tickets, client_profile, audit, sla, reports, participants
 
 api_router = APIRouter()
 
@@ -53,6 +53,12 @@ api_router.include_router(
     prefix="/tickets",
     tags=["tickets"]
 )
+# Participants routes (nested under tickets)
+api_router.include_router(
+    participants.router,
+    prefix="/tickets",
+    tags=["participants"]
+)
 
 # Client Profile routes
 api_router.include_router(

backend/app/main.py

@@ -35,6 +35,7 @@ from app.middleware.tenant import TenantMiddleware
 from app.middleware.correlation_id import CorrelationIDMiddleware
 from app.core.cache import cache
 from app.core.limiter import limiter
+from app.models.issue import TicketIssue, ticket_issue_tagged_users
 
 settings = get_settings()
 setup_logging()

backend/app/models/__init__.py

@@ -3,6 +3,7 @@
 from .user import User
 from .tenant import Tenant
 from .ticket import Ticket
+from .issue import TicketIssue, ticket_issue_tagged_users
 from .comment import TicketComment
 from .system import System
 from .category import Category
@@ -10,12 +11,15 @@ from .client_profile import ClientProfile
 from .attachment import TicketAttachment
 from .audit import AuditLog
 from .refresh_token import RefreshToken
+from .permission import TenantPermission
 
 __all__ = [
     "User",
-    "Tenant", 
+    "Tenant",
     "Ticket",
+    "TicketIssue",
     "TicketComment",
+    "TenantPermission",
     "System",
     "Category",
     "ClientProfile",

backend/app/models/issue.py

@@ -0,0 +1,102 @@
+"""
+TicketIssue Model - ServiceManagerWeb
+
+Asuntos de escalación asociados a tickets.
+Creados por el dueño del ticket o el CLIENT_ADMIN del tenant.
+"""
+from sqlalchemy import String, ForeignKey, Text, Table, Column
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+from typing import Optional, List
+from datetime import datetime
+import uuid
+
+from app.core.database import Base, GUID
+from app.models.ticket import TicketPriority
+from sqlalchemy import Enum as SAEnum
+from sqlalchemy.dialects.postgresql import ENUM as PG_ENUM
+
+
+# Tabla de relación N:M entre TicketIssue y User (usuarios etiquetados)
+ticket_issue_tagged_users = Table(
+    "ticket_issue_tagged_users",
+    Base.metadata,
+    Column(
+        "issue_id",
+        GUID(),
+        ForeignKey("ticket_issues.id", ondelete="CASCADE"),
+        primary_key=True,
+        nullable=False,
+    ),
+    Column(
+        "user_id",
+        GUID(),
+        ForeignKey("users.id", ondelete="CASCADE"),
+        primary_key=True,
+        nullable=False,
+    ),
+)
+
+
+class TicketIssue(Base):
+    """
+    Asunto de escalación de un ticket.
+
+    Solo puede crearlo:
+      - El usuario que creó el ticket (created_by del Ticket)
+      - El CLIENT_ADMIN del mismo tenant
+    """
+    __tablename__ = "ticket_issues"
+
+    # Multi-tenancy — siempre filtrar por esto
+    tenant_id: Mapped[uuid.UUID] = mapped_column(
+        GUID(),
+        ForeignKey("tenants.id", ondelete="CASCADE"),
+        nullable=False,
+    )
+
+    # Relación con el ticket padre
+    ticket_id: Mapped[uuid.UUID] = mapped_column(
+        GUID(),
+        ForeignKey("tickets.id", ondelete="CASCADE"),
+        nullable=False,
+    )
+
+    # Quién lo creó
+    created_by: Mapped[uuid.UUID] = mapped_column(
+        GUID(),
+        ForeignKey("users.id"),
+        nullable=False,
+    )
+
+    # Contenido
+    content: Mapped[str] = mapped_column(Text, nullable=False)
+
+    priority: Mapped[TicketPriority] = mapped_column(
+        SAEnum(TicketPriority, name="ticket_priority_enum", native_enum=False).with_variant(
+            PG_ENUM(TicketPriority, name="ticket_priority_enum", create_type=True),
+            "postgresql",
+        ),
+        default=TicketPriority.MEDIUM,
+        nullable=False,
+    )
+
+    # Adjunto opcional (reutiliza file_handler igual que TicketAttachment)
+    attachment_path: Mapped[Optional[str]] = mapped_column(String(500), nullable=True)
+    attachment_filename: Mapped[Optional[str]] = mapped_column(String(255), nullable=True)
+    attachment_mime_type: Mapped[Optional[str]] = mapped_column(String(100), nullable=True)
+
+    # Relationships
+    ticket: Mapped["Ticket"] = relationship("Ticket", back_populates="issues")
+
+    created_by_user: Mapped["User"] = relationship(
+        "User",
+        foreign_keys=[created_by],
+    )
+
+    tagged_users: Mapped[List["User"]] = relationship(
+        "User",
+        secondary=ticket_issue_tagged_users,
+    )
+
+    def __repr__(self) -> str:
+        return f"<TicketIssue(id={self.id}, ticket={self.ticket_id}, priority={self.priority})>"

backend/app/models/permission.py

@@ -0,0 +1,67 @@
+"""
+TenantPermission Model - ServiceManagerWeb
+
+Permisos dinámicos por tenant.
+- Si user_id es None → aplica al rol completo (default del tenant)
+- Si user_id tiene valor → override individual para ese usuario
+"""
+from sqlalchemy import String, Boolean, ForeignKey, UniqueConstraint
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+from typing import Optional
+import uuid
+
+from app.core.database import Base, GUID
+
+
+CLIENT_PERMISSIONS = [
+    "view_tickets",
+    "create_tickets",
+    "close_tickets",
+    "view_reports",
+    "manage_tenant_users",
+    "create_issues",
+]
+
+DEFAULT_PERMISSIONS = {
+    "CLIENT_ADMIN": {p: True for p in CLIENT_PERMISSIONS},
+    "CLIENT_USER": {
+        "view_tickets": True,
+        "create_tickets": True,
+        "close_tickets": False,
+        "view_reports": False,
+        "manage_tenant_users": False,
+        "create_issues": False,
+    }
+}
+
+
+class TenantPermission(Base):
+    __tablename__ = "tenant_permissions"
+
+    tenant_id: Mapped[uuid.UUID] = mapped_column(
+        GUID(),
+        ForeignKey("tenants.id", ondelete="CASCADE"),
+        nullable=False,
+    )
+    user_id: Mapped[Optional[uuid.UUID]] = mapped_column(
+        GUID(),
+        ForeignKey("users.id", ondelete="CASCADE"),
+        nullable=True,
+    )
+    role: Mapped[str] = mapped_column(String(50), nullable=False)
+    permission: Mapped[str] = mapped_column(String(100), nullable=False)
+    granted: Mapped[bool] = mapped_column(Boolean, nullable=False, default=True)
+
+    tenant: Mapped["Tenant"] = relationship("Tenant")
+    user: Mapped[Optional["User"]] = relationship("User")
+
+    __table_args__ = (
+        UniqueConstraint(
+            "tenant_id", "role", "user_id", "permission",
+            name="uq_tenant_permission"
+        ),
+    )
+
+    def __repr__(self) -> str:
+        scope = f"user:{self.user_id}" if self.user_id else f"role:{self.role}"
+        return f"<TenantPermission({scope} {self.permission}={'✓' if self.granted else '✗'})>"

backend/app/models/roles.py

@@ -0,0 +1,63 @@
+"""
+Definición y helpers de roles para el sistema multi-tenant.
+
+Fuente única: UserRole en app.models.user.
+Este módulo expone conjuntos de roles y helpers de verificación
+para usarse en deps.py y en los endpoints.
+
+Roles globales (staff interno — alcance multi-tenant):
+    ADMIN           → control total sobre todos los tenants
+    SUPPORT_MANAGER → gestiona equipos y SLAs de todos los tenants
+    AGENT           → atiende tickets de cualquier tenant
+    AUDITOR         → auditoría de solo lectura en todos los tenants
+
+Roles de cliente (alcance limitado al propio tenant):
+    CLIENT_ADMIN    → administra organización: usuarios, configuración, tickets
+    CLIENT_USER     → crea y sigue sus propios tickets
+"""
+
+from app.models.user import UserRole
+
+# ── Conjuntos de roles ──────────────────────────────────────────────────────
+
+GLOBAL_ROLES: frozenset[UserRole] = frozenset({
+    UserRole.ADMIN,
+    UserRole.SUPPORT_MANAGER,
+    UserRole.AGENT,
+    UserRole.AUDITOR,
+})
+
+CLIENT_ROLES: frozenset[UserRole] = frozenset({
+    UserRole.CLIENT_ADMIN,
+    UserRole.CLIENT_USER,
+})
+
+# ── Permisos por rol ────────────────────────────────────────────────────────
+
+ROLE_PERMISSIONS: dict[UserRole, list[str]] = {
+    # Staff global
+    UserRole.ADMIN:           ["manage_all", "view_all", "audit_all"],
+    UserRole.SUPPORT_MANAGER: ["manage_teams", "view_all_tickets", "manage_sla"],
+    UserRole.AGENT:           ["view_all_tickets", "update_any_ticket"],
+    UserRole.AUDITOR:         ["view_all", "audit_all"],
+    # Clientes (acotados al tenant)
+    UserRole.CLIENT_ADMIN:    ["manage_tenant", "manage_tenant_users", "view_tenant_tickets"],
+    UserRole.CLIENT_USER:     ["create_ticket", "view_own_tickets"],
+}
+
+# ── Helpers ─────────────────────────────────────────────────────────────────
+
+def is_global_staff(role: UserRole) -> bool:
+    """Retorna True si el rol tiene alcance global (staff interno)."""
+    return role.is_global
+
+
+def is_client_role(role: UserRole) -> bool:
+    """Retorna True si el rol está acotado al tenant del usuario."""
+    return role.is_client
+
+
+def has_permission(role: UserRole, permission: str) -> bool:
+    """Verifica si un rol tiene un permiso específico."""
+    return permission in ROLE_PERMISSIONS.get(role, [])
+

backend/app/models/ticket.py

@@ -157,5 +157,43 @@ class Ticket(Base):
         CheckConstraint('rating >= 1 AND rating <= 5', name='check_rating_range'),
     )
 
+    participants: Mapped[list["TicketParticipant"]] = relationship(
+        "TicketParticipant",
+        back_populates="ticket",
+        cascade="all, delete-orphan"
+    )
+
+    issues: Mapped[list["TicketIssue"]] = relationship(
+    "TicketIssue",
+    back_populates="ticket",
+    cascade="all, delete-orphan"
+)
+
     def __repr__(self) -> str:
-        return f"<Ticket(id={self.id}, number='{self.ticket_number}', status={self.status})>"
+        return f"<Ticket(id={self.id}, number='{self.ticket_number}', status={self.status})>"
+
+class TicketParticipant(Base):
+    """Participantes asignados a un ticket"""
+    __tablename__ = "ticket_participants"
+
+    ticket_id: Mapped[uuid.UUID] = mapped_column(
+        GUID(),
+        ForeignKey("tickets.id", ondelete="CASCADE"),
+        nullable=False
+    )
+    user_id: Mapped[uuid.UUID] = mapped_column(
+        GUID(),
+        ForeignKey("users.id", ondelete="CASCADE"),
+        nullable=False
+    )
+    role: Mapped[str] = mapped_column(String(50), nullable=False, default="participant")
+
+    ticket: Mapped["Ticket"] = relationship("Ticket", back_populates="participants")
+    user: Mapped["User"] = relationship("User")
+
+    __table_args__ = (
+        UniqueConstraint("ticket_id", "user_id", name="uq_ticket_participant"),
+    )
+
+    def __repr__(self):
+        return f"<TicketParticipant(ticket={self.ticket_id}, user={self.user_id})>"

backend/app/models/user.py

@@ -27,6 +27,24 @@ class UserRole(str, enum.Enum):
     CLIENT_ADMIN = "CLIENT_ADMIN"      # Admin de organización cliente
     CLIENT_USER = "CLIENT_USER"        # Usuario final cliente
 
+    @property
+    def is_global(self) -> bool:
+        """True si el rol tiene alcance global (staff interno cross-tenant)."""
+        return self in (
+            UserRole.ADMIN,
+            UserRole.SUPPORT_MANAGER,
+            UserRole.AGENT,
+            UserRole.AUDITOR,
+        )
+
+    @property
+    def is_client(self) -> bool:
+        """True si el rol está acotado al tenant del usuario."""
+        return self in (
+            UserRole.CLIENT_ADMIN,
+            UserRole.CLIENT_USER,
+        )
+
 
 class User(Base):
     """Modelo de Usuario."""
@@ -113,11 +131,8 @@ class User(Base):
     
     @property
     def is_client(self) -> bool:
-        """Check if user is a client."""
-        return self.role in [
-            UserRole.CLIENT_ADMIN,
-            UserRole.CLIENT_USER
-        ]
+        """Check if user is a client (rol acotado al propio tenant)."""
+        return self.role.is_client
     
     @property
     def can_manage_users(self) -> bool:
@@ -125,7 +140,7 @@ class User(Base):
         return self.role in [
             UserRole.ADMIN,
             UserRole.SUPPORT_MANAGER,
-            UserRole.CLIENT_ADMIN
+            UserRole.CLIENT_ADMIN,
         ]
     
     @property
@@ -134,7 +149,7 @@ class User(Base):
         return self.role in [
             UserRole.ADMIN,
             UserRole.SUPPORT_MANAGER,
-            UserRole.AGENT
+            UserRole.AGENT,
         ]
     
     @property

backend/app/services/ticket_service.py

@@ -0,0 +1,170 @@
+"""
+Ticket Service - ServiceManagerWeb
+
+Lógica de negocio para creación y gestión de tickets.
+Inyectable vía Depends() en los endpoints de FastAPI.
+"""
+
+import uuid
+from datetime import datetime
+
+from fastapi import Depends, HTTPException, status
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.core.database import get_db
+from app.models.ticket import Ticket, TicketStatus, TicketPriority
+from app.models.category import Category
+from app.models.system import System
+from app.api.schemas.ticket import TicketCreate
+from app.api.v1.helpers import (
+    generate_next_ticket_number,
+    calculate_sla_deadlines,
+    safe_audit_log,
+)
+
+
+class TicketService:
+    """Servicio de tickets: encapsula lógica de negocio fuera del router."""
+
+    def __init__(self, db: AsyncSession = Depends(get_db)):
+        self.db = db
+
+    async def create_ticket(
+        self,
+        ticket: TicketCreate,
+        tenant_id: uuid.UUID,
+        user_id: uuid.UUID,
+    ) -> dict:
+        """
+        Crea un ticket con validación multi-tenant, cálculo de SLA y auto-asignación.
+
+        Args:
+            ticket:    Datos del ticket a crear.
+            tenant_id: Tenant del usuario autenticado.
+            user_id:   ID del usuario que crea el ticket.
+
+        Returns:
+            dict compatible con TicketResponse.
+
+        Raises:
+            HTTPException 400: UUID inválido, categoría/sistema no encontrado o de otro tenant.
+            HTTPException 500: Fallo persistente tras max_retries.
+        """
+        max_retries = 3
+        last_error = None
+
+        for attempt in range(max_retries):
+            try:
+                ticket_number = await generate_next_ticket_number(self.db, tenant_id)
+                category_uuid = uuid.UUID(ticket.category_id) if ticket.category_id else None
+                system_uuid = uuid.UUID(ticket.affected_system_id) if ticket.affected_system_id else None
+
+                category = None
+                if category_uuid:
+                    category = await self.db.get(Category, category_uuid)
+                    if not category or category.tenant_id != tenant_id:
+                        raise HTTPException(
+                            status_code=status.HTTP_400_BAD_REQUEST,
+                            detail=f"La categoría con ID {ticket.category_id} no existe.",
+                        )
+
+                if system_uuid:
+                    system = await self.db.get(System, system_uuid)
+                    if not system or system.tenant_id != tenant_id:
+                        raise HTTPException(
+                            status_code=status.HTTP_400_BAD_REQUEST,
+                            detail=f"El sistema con ID {ticket.affected_system_id} no existe.",
+                        )
+
+                sla_response_due, sla_resolution_due = calculate_sla_deadlines(category)
+                assigned_to_user = category.auto_assign_to if category and category.auto_assign_to else None
+
+                db_ticket = Ticket(
+                    id=uuid.uuid4(),
+                    tenant_id=tenant_id,
+                    ticket_number=ticket_number,
+                    subject=ticket.subject,
+                    description=ticket.description,
+                    category_id=category_uuid,
+                    affected_system_id=system_uuid,
+                    priority=TicketPriority[ticket.priority.upper()],
+                    created_by=user_id,
+                    assigned_to=assigned_to_user,
+                    status=TicketStatus.NEW,
+                    sla_response_due=sla_response_due,
+                    sla_resolution_due=sla_resolution_due,
+                    created_at=datetime.utcnow(),
+                    updated_at=datetime.utcnow(),
+                )
+
+                self.db.add(db_ticket)
+                await self.db.commit()
+                await self.db.refresh(db_ticket)
+
+                await safe_audit_log(
+                    db=self.db,
+                    tenant_id=tenant_id,
+                    user_id=user_id,
+                    action="ticket.create",
+                    resource_type="ticket",
+                    resource_id=db_ticket.id,
+                    new_values={
+                        "ticket_number": db_ticket.ticket_number,
+                        "subject": db_ticket.subject,
+                        "priority": db_ticket.priority.value,
+                        "status": db_ticket.status.value,
+                    },
+                )
+
+                return {
+                    "id": str(db_ticket.id),
+                    "ticket_number": db_ticket.ticket_number,
+                    "subject": db_ticket.subject,
+                    "title": db_ticket.subject,
+                    "description": db_ticket.description,
+                    "status": db_ticket.status.value,
+                    "priority": db_ticket.priority.value,
+                    "category_id": str(db_ticket.category_id) if db_ticket.category_id else None,
+                    "affected_system_id": str(db_ticket.affected_system_id) if db_ticket.affected_system_id else None,
+                    "system_id": str(db_ticket.affected_system_id) if db_ticket.affected_system_id else None,
+                    "contact_email": ticket.contact_email,
+                    "contact_phone": ticket.contact_phone,
+                    "created_by": str(db_ticket.created_by),
+                    "assigned_to": str(db_ticket.assigned_to) if db_ticket.assigned_to else None,
+                    "created_at": db_ticket.created_at,
+                    "updated_at": db_ticket.updated_at,
+                    "sla_response_due": db_ticket.sla_response_due,
+                    "sla_resolution_due": db_ticket.sla_resolution_due,
+                    "first_response_at": db_ticket.first_response_at,
+                    "resolved_at": db_ticket.resolved_at,
+                }
+
+            except ValueError as e:
+                await self.db.rollback()
+                raise HTTPException(
+                    status_code=status.HTTP_400_BAD_REQUEST,
+                    detail=f"Invalid UUID format: {str(e)}",
+                )
+            except HTTPException:
+                await self.db.rollback()
+                raise
+            except Exception as e:
+                await self.db.rollback()
+                last_error = e
+                if "duplicate key" in str(e).lower() and "ticket_number" in str(e).lower():
+                    if attempt < max_retries - 1:
+                        continue
+                raise HTTPException(
+                    status_code=status.HTTP_400_BAD_REQUEST,
+                    detail=f"Error creating ticket: {str(e)}",
+                )
+
+        raise HTTPException(
+            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
+            detail=f"No se pudo crear el ticket después de {max_retries} intentos: {str(last_error)}",
+        )
+
+
+def get_ticket_service(db: AsyncSession = Depends(get_db)) -> TicketService:
+    """Factory function para inyectar TicketService vía Depends()."""
+    return TicketService(db)

backend/app/tests/conftest.py

@@ -0,0 +1,373 @@
+"""
+Integration Test Fixtures - ServiceManagerWeb (Docker / PostgreSQL)
+
+backend/app/tests/conftest.py
+
+Usa la BD Docker existente (servicemanager).
+Los fixtures leen datos reales ya seedeados — no crean ni eliminan nada.
+Los tests que inserten datos propios quedan aislados por rollback.
+
+Tenant de referencia : aduanasoft
+Usuarios de referencia:
+    admin@aduanasoft.com       → ADMIN
+    manager@aduanasoft.com     → SUPPORT_MANAGER
+    agente@aduanasoft.com      → AGENT
+    auditor1@test.com          → AUDITOR  (tenant aduanasoft)
+    admin-cliente@empresa-demo → CLIENT_ADMIN
+    test_user@aduanasoft.com   → CLIENT_USER
+"""
+
+import os
+import asyncio
+import pytest
+from typing import AsyncGenerator, Generator
+
+# ============================================================
+# ENV VARS — antes de importar la app
+# ============================================================
+os.environ.setdefault("ENVIRONMENT", "testing")
+os.environ.setdefault("TESTING", "true")
+os.environ.setdefault("DEBUG", "false")
+os.environ.setdefault("SECRET_KEY", "integration-secret-key-32chars!!!!")
+os.environ.setdefault("JWT_SECRET_KEY", "integration-jwt-secret-32chars!!!!")
+os.environ.setdefault(
+    "DATABASE_URL",
+    "postgresql+asyncpg://servicemanager:servicemanager123@localhost:5432/servicemanager",
+)
+os.environ.setdefault("REDIS_URL", "redis://localhost:6379/14")
+os.environ.setdefault("CELERY_BROKER_URL", "redis://localhost:6379/14")
+os.environ.setdefault("CELERY_RESULT_BACKEND", "redis://localhost:6379/14")
+os.environ.setdefault("CORS_ORIGINS", "http://localhost:3000")
+os.environ.setdefault("ALLOWED_FILE_EXTENSIONS", "pdf,jpg,jpeg,png,doc,docx,txt")
+
+
+# ============================================================
+# EVENT LOOP  (session-scoped)
+# ============================================================
+
+@pytest.fixture(scope="session")
+def event_loop() -> Generator:
+    """Event loop compartido para toda la sesión de tests."""
+    policy = asyncio.get_event_loop_policy()
+    loop = policy.new_event_loop()
+    yield loop
+    loop.close()
+
+
+# ============================================================
+# ENGINE  (session-scoped — reutiliza el pool toda la sesión)
+# ============================================================
+
+@pytest.fixture(scope="session")
+async def engine():
+    """
+    Conecta al PostgreSQL Docker existente (servicemanager).
+    NO crea ni destruye el schema — la BD ya está lista.
+    """
+    from sqlalchemy.ext.asyncio import create_async_engine
+    import app.models  # noqa: F401 — registra todos los modelos
+
+    _engine = create_async_engine(os.environ["DATABASE_URL"], echo=False)
+    yield _engine
+    await _engine.dispose()
+
+
+# ============================================================
+# DB  (function-scoped — rollback para datos creados en el test)
+# ============================================================
+
+@pytest.fixture
+async def db(engine) -> AsyncGenerator:
+    """
+    Sesión con transacción por test.
+    Los datos seedeados son visibles (ya están committed).
+    Cualquier INSERT hecho en el test se revierte al finalizar.
+    """
+    from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker
+
+    factory = async_sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)
+
+    async with factory() as session:
+        await session.begin()
+        yield session
+        await session.rollback()
+
+
+# ============================================================
+# TENANT  (function-scoped — lee el registro existente)
+# ============================================================
+
+@pytest.fixture
+async def tenant_a(db):
+    """Tenant 'aduanasoft' ya existente en la BD."""
+    from sqlalchemy import select
+    from app.models.tenant import Tenant
+
+    result = await db.execute(select(Tenant).where(Tenant.slug == "aduanasoft"))
+    return result.scalar_one()
+
+
+# ============================================================
+# USUARIOS  (function-scoped — leen registros existentes)
+# ============================================================
+
+@pytest.fixture
+async def admin_user(db, tenant_a):
+    """ADMIN: admin@aduanasoft.com (tenant aduanasoft)."""
+    from sqlalchemy import select
+    from app.models.user import User
+
+    result = await db.execute(
+        select(User)
+        .where(User.email == "admin@aduanasoft.com")
+        .where(User.tenant_id == tenant_a.id)
+    )
+    return result.scalar_one()
+
+
+@pytest.fixture
+async def manager_user(db, tenant_a):
+    """SUPPORT_MANAGER: manager@aduanasoft.com (tenant aduanasoft)."""
+    from sqlalchemy import select
+    from app.models.user import User
+
+    result = await db.execute(
+        select(User)
+        .where(User.email == "manager@aduanasoft.com")
+        .where(User.tenant_id == tenant_a.id)
+    )
+    return result.scalar_one()
+
+
+@pytest.fixture
+async def agent_user(db, tenant_a):
+    """AGENT: agente@aduanasoft.com (tenant aduanasoft)."""
+    from sqlalchemy import select
+    from app.models.user import User
+
+    result = await db.execute(
+        select(User)
+        .where(User.email == "agente@aduanasoft.com")
+        .where(User.tenant_id == tenant_a.id)
+    )
+    return result.scalar_one()
+
+
+@pytest.fixture
+async def user_tenant_a(db, tenant_a):
+    """CLIENT_USER: test_user@aduanasoft.com (tenant aduanasoft)."""
+    from sqlalchemy import select
+    from app.models.user import User
+
+    result = await db.execute(
+        select(User)
+        .where(User.email == "test_user@aduanasoft.com")
+        .where(User.tenant_id == tenant_a.id)
+    )
+    return result.scalar_one()
+
+
+# ============================================================
+# HTTP CLIENT  (function-scoped)
+# ============================================================
+
+@pytest.fixture
+async def client(db) -> AsyncGenerator:
+    """
+    httpx.AsyncClient contra la app FastAPI en memoria (sin red).
+    get_db queda sobreescrito para inyectar la sesión de test.
+    Los cambios del test se revierten al terminar (rollback en db).
+    """
+    import httpx
+    from httpx import ASGITransport
+    from app.main import app
+    from app.core.database import get_db
+
+    async def _override_get_db():
+        yield db
+
+    app.dependency_overrides[get_db] = _override_get_db
+
+    async with httpx.AsyncClient(
+        transport=ASGITransport(app=app),
+        base_url="http://test",
+    ) as ac:
+        yield ac
+
+    app.dependency_overrides.pop(get_db, None)
+
+
+# ============================================================
+# FIXTURES DE AISLAMIENTO MULTI-TENANT
+# ============================================================
+
+@pytest.fixture
+def make_token():
+    """Factory de JWT tokens para autenticar clientes HTTP en tests."""
+    from app.core.security import security
+
+    def _make(user):
+        return security.create_access_token(data={"sub": str(user.id)})
+
+    return _make
+
+
+@pytest.fixture
+async def app_with_db(db):
+    """
+    Override de get_db compartido para todos los HTTP clients de un mismo test.
+    Garantiza que todos los clients usen la misma sesión (y el mismo rollback).
+    """
+    from app.main import app as _app
+    from app.core.database import get_db
+
+    async def _override():
+        yield db
+
+    _app.dependency_overrides[get_db] = _override
+    yield _app
+    _app.dependency_overrides.pop(get_db, None)
+
+
+@pytest.fixture
+async def tenant_b(db):
+    """Tenant 'empresa-test' creado en la transacción del test (se revierte al final)."""
+    from app.models.tenant import Tenant
+
+    t = Tenant(name="Empresa Test", slug="empresa-test")
+    db.add(t)
+    await db.flush()
+    return t
+
+
+@pytest.fixture
+async def user_b(db, tenant_b):
+    """CLIENT_ADMIN en tenant_b — puede gestionar recursos de su tenant."""
+    from app.models.user import User, UserRole
+    from app.core.security import security
+
+    u = User(
+        tenant_id=tenant_b.id,
+        email="admin@empresa-test.com",
+        first_name="Admin",
+        last_name="Test",
+        password_hash=security.hash_password("Test1234!"),
+        role=UserRole.CLIENT_ADMIN,
+        is_active=True,
+        email_verified=True,
+    )
+    db.add(u)
+    await db.flush()
+    return u
+
+
+@pytest.fixture
+async def client_tenant_a(app_with_db, manager_user, make_token):
+    """HTTP client autenticado como SUPPORT_MANAGER de tenant_a (aduanasoft).
+    Usa manager_user en lugar de admin_user para mantener el aislamiento de
+    tenant en GET /users/ (el ADMIN global bypasa el filtro de tenant).
+    """
+    import httpx
+    from httpx import ASGITransport
+
+    token = make_token(manager_user)
+    async with httpx.AsyncClient(
+        transport=ASGITransport(app=app_with_db),
+        base_url="http://test",
+        headers={"Authorization": f"Bearer {token}"},
+    ) as ac:
+        yield ac
+
+
+@pytest.fixture
+async def client_tenant_b(app_with_db, user_b, make_token):
+    """HTTP client autenticado como CLIENT_ADMIN de tenant_b (empresa-test)."""
+    import httpx
+    from httpx import ASGITransport
+
+    token = make_token(user_b)
+    async with httpx.AsyncClient(
+        transport=ASGITransport(app=app_with_db),
+        base_url="http://test",
+        headers={"Authorization": f"Bearer {token}"},
+    ) as ac:
+        yield ac
+
+
+@pytest.fixture
+async def client_admin(app_with_db, admin_user, make_token):
+    """HTTP client autenticado como ADMIN global."""
+    import httpx
+    from httpx import ASGITransport
+
+    token = make_token(admin_user)
+    async with httpx.AsyncClient(
+        transport=ASGITransport(app=app_with_db),
+        base_url="http://test",
+        headers={"Authorization": f"Bearer {token}"},
+    ) as ac:
+        yield ac
+
+
+@pytest.fixture
+def create_ticket_tenant_a(client_tenant_a):
+    """Factory: crea un ticket en tenant_a vía HTTP y retorna el JSON de respuesta."""
+    async def _create(subject="Ticket Tenant A", priority="MEDIUM"):
+        resp = await client_tenant_a.post("/v1/tickets/", json={
+            "subject": subject,
+            "description": "Test de aislamiento tenant A",
+            "priority": priority,
+        })
+        assert resp.status_code in (200, 201), f"Error creando ticket A: {resp.text}"
+        return resp.json()
+
+    return _create
+
+
+@pytest.fixture
+def create_ticket_tenant_b(client_tenant_b):
+    """Factory: crea un ticket en tenant_b vía HTTP y retorna el JSON de respuesta."""
+    async def _create(subject="Ticket Tenant B", priority="MEDIUM"):
+        resp = await client_tenant_b.post("/v1/tickets/", json={
+            "subject": subject,
+            "description": "Test de aislamiento tenant B",
+            "priority": priority,
+        })
+        assert resp.status_code in (200, 201), f"Error creando ticket B: {resp.text}"
+        return resp.json()
+
+    return _create
+
+
+@pytest.fixture
+def create_user_tenant_a(client_tenant_a):
+    """Factory: crea un usuario en tenant_a vía HTTP y retorna el JSON de respuesta."""
+    async def _create(email="nuevo_user_a@test.com"):
+        resp = await client_tenant_a.post("/v1/users/", json={
+            "email": email,
+            "first_name": "Usuario",
+            "last_name": "TenantA",
+            "password": "Test1234!",
+            "role": "CLIENT_USER",
+        })
+        assert resp.status_code in (200, 201), f"Error creando user A: {resp.text}"
+        return resp.json()
+
+    return _create
+
+
+@pytest.fixture
+def create_user_tenant_b(client_tenant_b):
+    """Factory: crea un usuario en tenant_b vía HTTP y retorna el JSON de respuesta."""
+    async def _create(email="nuevo_user_b@test.com"):
+        resp = await client_tenant_b.post("/v1/users/", json={
+            "email": email,
+            "first_name": "Usuario",
+            "last_name": "TenantB",
+            "password": "Test1234!",
+            "role": "CLIENT_USER",
+        })
+        assert resp.status_code in (200, 201), f"Error creando user B: {resp.text}"
+        return resp.json()
+
+    return _create

backend/app/tests/test_smoke.py

@@ -0,0 +1,137 @@
+"""
+Smoke Tests - ServiceManagerWeb
+
+Verifican que el stack completo funciona:
+  - Conexión a BD Docker
+  - Fixtures de tenant y usuarios
+  - Login vía HTTP (httpx + FastAPI en memoria)
+  - Endpoint protegido con token
+"""
+
+import pytest
+
+
+# ============================================================
+# BD + FIXTURES
+# ============================================================
+
+@pytest.mark.asyncio
+async def test_db_connected(db):
+    """La sesión de BD está activa y responde."""
+    from sqlalchemy import text
+    result = await db.execute(text("SELECT 1"))
+    assert result.scalar() == 1
+
+
+@pytest.mark.asyncio
+async def test_tenant_a_existe(tenant_a):
+    """El tenant 'aduanasoft' existe y tiene datos válidos."""
+    assert tenant_a.slug == "aduanasoft"
+    assert tenant_a.name is not None
+
+
+@pytest.mark.asyncio
+async def test_admin_user_existe(admin_user):
+    """El usuario ADMIN existe y pertenece al tenant correcto."""
+    from app.models.user import UserRole
+    assert admin_user.email == "admin@aduanasoft.com"
+    assert admin_user.role == UserRole.ADMIN
+    assert admin_user.is_active is True
+
+
+@pytest.mark.asyncio
+async def test_manager_user_existe(manager_user):
+    """El usuario SUPPORT_MANAGER existe."""
+    from app.models.user import UserRole
+    assert manager_user.email == "manager@aduanasoft.com"
+    assert manager_user.role == UserRole.SUPPORT_MANAGER
+
+
+@pytest.mark.asyncio
+async def test_agent_user_existe(agent_user):
+    """El usuario AGENT existe."""
+    from app.models.user import UserRole
+    assert agent_user.email == "agente@aduanasoft.com"
+    assert agent_user.role == UserRole.AGENT
+
+
+@pytest.mark.asyncio
+async def test_client_user_existe(user_tenant_a):
+    """El CLIENT_USER existe."""
+    from app.models.user import UserRole
+    assert user_tenant_a.email == "test_user@aduanasoft.com"
+    assert user_tenant_a.role == UserRole.CLIENT_USER
+
+
+# ============================================================
+# HTTP — LOGIN
+# ============================================================
+
+@pytest.mark.asyncio
+async def test_login_admin_ok(client):
+    """Login con credenciales de admin devuelve access_token."""
+    response = await client.post(
+        "/v1/auth/login",
+        json={
+            "email": "admin@aduanasoft.com",
+            "password": "admin123",
+            "tenant_slug": "aduanasoft",
+        },
+    )
+    assert response.status_code == 200
+    data = response.json()
+    assert "access_token" in data
+    assert data["token_type"] == "bearer"
+
+
+@pytest.mark.asyncio
+async def test_login_credenciales_invalidas(client):
+    """Login con contraseña incorrecta devuelve 401."""
+    response = await client.post(
+        "/v1/auth/login",
+        json={
+            "email": "admin@aduanasoft.com",
+            "password": "wrongpassword",
+            "tenant_slug": "aduanasoft",
+        },
+    )
+    assert response.status_code == 401
+
+
+@pytest.mark.asyncio
+async def test_endpoint_sin_token_devuelve_401(client):
+    """Acceder a un endpoint protegido sin token devuelve 401."""
+    response = await client.get(
+        "/v1/users/me",
+        headers={"X-Tenant-Slug": "aduanasoft"},
+    )
+    assert response.status_code == 401
+
+
+@pytest.mark.asyncio
+async def test_login_y_me(client):
+    """Login exitoso → /users/me devuelve el usuario correcto."""
+    # Login
+    login = await client.post(
+        "/v1/auth/login",
+        json={
+            "email": "admin@aduanasoft.com",
+            "password": "admin123",
+            "tenant_slug": "aduanasoft",
+        },
+    )
+    assert login.status_code == 200
+    token = login.json()["access_token"]
+
+    # Endpoint protegido
+    me = await client.get(
+        "/v1/users/me",
+        headers={
+            "Authorization": f"Bearer {token}",
+            "X-Tenant-Slug": "aduanasoft",
+        },
+    )
+    assert me.status_code == 200
+    data = me.json()
+    assert data["email"] == "admin@aduanasoft.com"
+    assert data["role"] == "ADMIN"

backend/app/tests/test_tenant_isolation.py

@@ -0,0 +1,123 @@
+"""
+Pruebas de aislamiento multi-tenant para tickets y usuarios.
+Usa solo los fixtures definidos en conftest.py.
+
+Roles en juego:
+  client_tenant_a  → SUPPORT_MANAGER (aduanasoft) — restringido a su tenant
+  client_tenant_b  → CLIENT_ADMIN   (empresa-test) — restringido a su tenant
+  client_admin     → ADMIN global   (aduanasoft)   — acceso a todos los tenants
+"""
+import pytest
+
+
+@pytest.mark.asyncio
+async def test_tenant_a_cannot_see_tenant_b_tickets(
+    client_tenant_a, create_ticket_tenant_b
+):
+    """
+    El usuario del tenant B crea un ticket.
+    El usuario del tenant A (SUPPORT_MANAGER) lista sus tickets.
+    El ticket de tenant B NO debe aparecer en la respuesta.
+    """
+    # El usuario del tenant B crea un ticket
+    ticket_b = await create_ticket_tenant_b()
+    ticket_b_id = ticket_b["id"]
+
+    # El usuario del tenant A lista sus tickets
+    response = await client_tenant_a.get("/v1/tickets/")
+    assert response.status_code == 200
+
+    ids_visibles = {t["id"] for t in response.json()}
+
+    # El ticket de tenant B no debe ser visible para tenant A
+    assert ticket_b_id not in ids_visibles, (
+        f"Fallo de aislamiento: ticket de tenant B ({ticket_b_id}) "
+        f"visible para usuario de tenant A"
+    )
+
+
+@pytest.mark.asyncio
+async def test_tenant_b_cannot_edit_tenant_a_ticket(
+    create_ticket_tenant_a, client_tenant_b
+):
+    """
+    El usuario del tenant A crea un ticket.
+    El usuario del tenant B intenta editar ese ticket vía PATCH.
+    Debe recibir 403 (prohibido) o 404 (no encontrado).
+    """
+    # El usuario del tenant A crea un ticket
+    ticket_a = await create_ticket_tenant_a()
+    ticket_a_id = ticket_a["id"]
+
+    # El usuario del tenant B intenta editar el ticket de tenant A
+    response = await client_tenant_b.patch(
+        f"/v1/tickets/{ticket_a_id}",
+        json={"status": "CLOSED"},
+    )
+
+    # Debe recibir 403 o 404 — nunca 200
+    assert response.status_code in (403, 404), (
+        f"Fallo de aislamiento: tenant B pudo editar ticket de tenant A "
+        f"(HTTP {response.status_code})"
+    )
+
+
+@pytest.mark.asyncio
+async def test_tenant_a_cannot_see_tenant_b_users(
+    client_tenant_a, create_user_tenant_b
+):
+    """
+    El usuario del tenant B crea un usuario nuevo.
+    El usuario del tenant A (SUPPORT_MANAGER) lista los usuarios.
+    El usuario de tenant B NO debe aparecer en la respuesta.
+    """
+    # El usuario del tenant B crea un usuario
+    user_b = await create_user_tenant_b()
+    user_b_id = user_b["id"]
+
+    # El usuario del tenant A lista los usuarios de su tenant
+    response = await client_tenant_a.get("/v1/users/")
+    assert response.status_code == 200
+
+    ids_visibles = {u["id"] for u in response.json()}
+
+    # El usuario de tenant B no debe ser visible para tenant A
+    assert user_b_id not in ids_visibles, (
+        f"Fallo de aislamiento: usuario de tenant B ({user_b_id}) "
+        f"visible para usuario de tenant A"
+    )
+
+
+@pytest.mark.asyncio
+async def test_admin_sees_all_tenant_data(
+    client_admin,
+    create_ticket_tenant_a,
+    create_ticket_tenant_b,
+    create_user_tenant_a,
+    create_user_tenant_b,
+):
+    """
+    El ADMIN global debe poder ver tickets y usuarios de TODOS los tenants.
+    - Tickets: vía /v1/tickets/admin/all (endpoint multi-tenant).
+    - Usuarios: vía /v1/users/ (ADMIN bypasa el filtro de tenant).
+    """
+    # Crear datos en ambos tenants
+    ticket_a = await create_ticket_tenant_a()
+    ticket_b = await create_ticket_tenant_b()
+    user_a = await create_user_tenant_a()
+    user_b = await create_user_tenant_b()
+
+    # El admin lista todos los tickets (endpoint multi-tenant)
+    resp_tickets = await client_admin.get("/v1/tickets/admin/all")
+    assert resp_tickets.status_code == 200
+    ids_tickets = {t["id"] for t in resp_tickets.json()}
+    assert ticket_a["id"] in ids_tickets, "El ADMIN no ve el ticket de tenant A"
+    assert ticket_b["id"] in ids_tickets, "El ADMIN no ve el ticket de tenant B"
+
+    # El admin lista todos los usuarios (ADMIN bypasa filtro de tenant)
+    resp_users = await client_admin.get("/v1/users/")
+    assert resp_users.status_code == 200
+    ids_users = {u["id"] for u in resp_users.json()}
+    assert user_a["id"] in ids_users, "El ADMIN no ve el usuario de tenant A"
+    assert user_b["id"] in ids_users, "El ADMIN no ve el usuario de tenant B"
+

backend/check_schema.py

@@ -0,0 +1,3 @@
+with open("/app/app/api/schemas/category.py", "r") as f:
+    content = f.read()
+print(content)

backend/debug_tenant.py

@@ -0,0 +1,19 @@
+import asyncio
+from app.core.database import AsyncSessionLocal
+from app.models.user import User
+from app.models.tenant import Tenant
+from sqlalchemy import select
+
+async def check():
+    async with AsyncSessionLocal() as db:
+        result = await db.execute(
+            select(User, Tenant).join(Tenant).where(User.email == 'javier@ventas.com')
+        )
+        user, tenant = result.one()
+        print(f"user.tenant_id: {user.tenant_id}")
+        print(f"tenant.id:      {tenant.id}")
+        print(f"tenant.slug:    {tenant.slug}")
+        print(f"user.role:      {user.role}")
+        print(f"role.is_client: {user.role.is_client}")
+
+asyncio.run(check())

backend/fix_categories.py

@@ -0,0 +1,28 @@
+with open("/app/app/api/v1/endpoints/categories.py", "r") as f:
+    content = f.read()
+
+old = '''    # ✅ CORREGIDO: Asignar tenant_id del usuario actual
+    db_category = Category(
+        **category.model_dump(),
+        tenant_id=current_user.tenant_id  # ✅ Multi-tenancy automático
+    )'''
+
+new = '''    # ADMIN global puede especificar tenant_id; otros usan el suyo
+    from app.models.user import UserRole as _R
+    data = category.model_dump()
+    if current_user.role == _R.ADMIN and data.get("tenant_id"):
+        target_tenant_id = data["tenant_id"]
+    else:
+        target_tenant_id = current_user.tenant_id
+        data["tenant_id"] = target_tenant_id
+
+    db_category = Category(**data)'''
+
+if old in content:
+    content = content.replace(old, new)
+    print("OK: fix aplicado")
+else:
+    print("ERROR: bloque no encontrado")
+
+with open("/app/app/api/v1/endpoints/categories.py", "w") as f:
+    f.write(content)

backend/fix_delete.py

@@ -0,0 +1,15 @@
+with open("/app/app/api/v1/endpoints/users.py", "r") as f:
+    content = f.read()
+
+old = '    # Verificar permisos - solo ADMIN puede eliminar\n    if current_user.role != UserRole.ADMIN:\n        raise HTTPException(\n            status_code=status.HTTP_403_FORBIDDEN,\n            detail="Only admins can delete users"\n        )'
+
+new = '    # Verificar permisos - ADMIN global o CLIENT_ADMIN pueden eliminar\n    allowed = [UserRole.ADMIN, UserRole.CLIENT_ADMIN]\n    if current_user.role not in allowed:\n        raise HTTPException(\n            status_code=status.HTTP_403_FORBIDDEN,\n            detail="Only admins can delete users"\n        )'
+
+if old in content:
+    content = content.replace(old, new)
+    print("OK: permisos delete actualizados")
+else:
+    print("ERROR: bloque no encontrado")
+
+with open("/app/app/api/v1/endpoints/users.py", "w") as f:
+    f.write(content)

backend/fix_delete2.py

@@ -0,0 +1,14 @@
+with open("/app/app/api/v1/endpoints/users.py", "r") as f:
+    content = f.read()
+
+old = "    # Soft delete\n    db_user.is_active = False\n    await db.commit()"
+new = "    # Hard delete\n    await db.delete(db_user)\n    await db.commit()"
+
+if old in content:
+    content = content.replace(old, new)
+    print("OK: hard delete aplicado")
+else:
+    print("ERROR: bloque no encontrado")
+
+with open("/app/app/api/v1/endpoints/users.py", "w") as f:
+    f.write(content)

backend/fix_router.py

@@ -0,0 +1,34 @@
+with open("/app/app/api/v1/router.py", "r") as f:
+    content = f.read()
+
+old = "from app.api.v1.endpoints import auth, health, tenants, users, systems, categories, tickets, client_profile, audit, sla, reports"
+new = "from app.api.v1.endpoints import auth, health, tenants, users, systems, categories, tickets, client_profile, audit, sla, reports, participants"
+
+old2 = "# Tickets routes\napi_router.include_router(\n    tickets.router,\n    prefix=\"/tickets\",\n    tags=[\"tickets\"]\n)"
+new2 = """# Tickets routes
+api_router.include_router(
+    tickets.router,
+    prefix="/tickets",
+    tags=["tickets"]
+)
+# Participants routes (nested under tickets)
+api_router.include_router(
+    participants.router,
+    prefix="/tickets",
+    tags=["participants"]
+)"""
+
+if old in content:
+    content = content.replace(old, new)
+    print("OK: import agregado")
+else:
+    print("ERROR: import no encontrado")
+
+if old2 in content:
+    content = content.replace(old2, new2)
+    print("OK: router agregado")
+else:
+    print("ERROR: router no encontrado")
+
+with open("/app/app/api/v1/router.py", "w") as f:
+    f.write(content)

backend/fix_schema.py

@@ -0,0 +1,30 @@
+with open("/app/app/api/schemas/category.py", "r") as f:
+    content = f.read()
+
+old = '''class CategoryCreate(BaseModel):
+    """Schema para crear categoría. No incluye tenant_id (se asigna automáticamente)."""
+    name: str
+    description: Optional[str] = None
+    color: Optional[str] = None
+    sla_response_hours: int = 24
+    sla_resolution_hours: int = 72
+    auto_assign_to: Optional[uuid.UUID] = None'''
+
+new = '''class CategoryCreate(BaseModel):
+    """Schema para crear categoría. tenant_id opcional para ADMIN global."""
+    name: str
+    description: Optional[str] = None
+    color: Optional[str] = None
+    sla_response_hours: int = 24
+    sla_resolution_hours: int = 72
+    auto_assign_to: Optional[uuid.UUID] = None
+    tenant_id: Optional[uuid.UUID] = None'''
+
+if old in content:
+    content = content.replace(old, new)
+    print("OK")
+else:
+    print("ERROR: bloque no encontrado")
+
+with open("/app/app/api/schemas/category.py", "w") as f:
+    f.write(content)

backend/migrations/versions/0aec0a6e294a_add_tenant_permissions.py

@@ -0,0 +1,282 @@
+"""add_tenant_permissions
+
+Revision ID: 0aec0a6e294a
+Revises: b2dcb926e091
+Create Date: 2026-03-17 19:33:30.229993
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+
+# revision identifiers, used by Alembic.
+revision = '0aec0a6e294a'
+down_revision = 'b2dcb926e091'
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_index('idx_email_templates_tenant_id', table_name='email_templates')
+    op.drop_table('email_templates')
+    op.drop_index('idx_ticket_status_history_changed_by', table_name='ticket_status_history')
+    op.drop_index('idx_ticket_status_history_created_at', table_name='ticket_status_history')
+    op.drop_index('idx_ticket_status_history_ticket_id', table_name='ticket_status_history')
+    op.drop_table('ticket_status_history')
+    op.drop_index('idx_notification_logs_created_at', table_name='notification_logs')
+    op.drop_index('idx_notification_logs_recipient', table_name='notification_logs')
+    op.drop_index('idx_notification_logs_status', table_name='notification_logs')
+    op.drop_index('idx_notification_logs_tenant_id', table_name='notification_logs')
+    op.drop_index('idx_notification_logs_ticket_id', table_name='notification_logs')
+    op.drop_table('notification_logs')
+    op.add_column('audit_logs', sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False))
+    op.alter_column('audit_logs', 'created_at',
+               existing_type=postgresql.TIMESTAMP(timezone=True),
+               nullable=False,
+               existing_server_default=sa.text('now()'))
+    op.drop_index('idx_audit_logs_action', table_name='audit_logs')
+    op.drop_index('idx_audit_logs_correlation_id', table_name='audit_logs')
+    op.drop_index('idx_audit_logs_created_at', table_name='audit_logs')
+    op.drop_index('idx_audit_logs_tenant_id', table_name='audit_logs')
+    op.drop_index('idx_audit_logs_user_id', table_name='audit_logs')
+    op.create_index('idx_audit_logs_tenant_action', 'audit_logs', ['tenant_id', 'action'], unique=False)
+    op.create_index('idx_audit_logs_user_created', 'audit_logs', ['user_id', 'created_at'], unique=False)
+    op.create_index(op.f('ix_audit_logs_action'), 'audit_logs', ['action'], unique=False)
+    op.create_index(op.f('ix_audit_logs_correlation_id'), 'audit_logs', ['correlation_id'], unique=False)
+    op.create_index(op.f('ix_audit_logs_created_at'), 'audit_logs', ['created_at'], unique=False)
+    op.create_index(op.f('ix_audit_logs_resource_type'), 'audit_logs', ['resource_type'], unique=False)
+    op.create_index(op.f('ix_audit_logs_tenant_id'), 'audit_logs', ['tenant_id'], unique=False)
+    op.create_index(op.f('ix_audit_logs_user_id'), 'audit_logs', ['user_id'], unique=False)
+    op.drop_constraint('audit_logs_user_id_fkey', 'audit_logs', type_='foreignkey')
+    op.drop_constraint('audit_logs_tenant_id_fkey', 'audit_logs', type_='foreignkey')
+    op.create_foreign_key(None, 'audit_logs', 'users', ['user_id'], ['id'], ondelete='SET NULL')
+    op.create_foreign_key(None, 'audit_logs', 'tenants', ['tenant_id'], ['id'], ondelete='CASCADE')
+    op.drop_table_comment(
+        'audit_logs',
+        existing_comment='Bit??cora de acciones para auditor??a y compliance',
+        schema=None
+    )
+    op.drop_index('idx_refresh_tokens_expires', table_name='refresh_tokens')
+    op.drop_index('idx_refresh_tokens_user_id', table_name='refresh_tokens')
+    op.create_index('idx_refresh_tokens_user_expires', 'refresh_tokens', ['user_id', 'expires_at'], unique=False)
+    op.create_index(op.f('ix_refresh_tokens_expires_at'), 'refresh_tokens', ['expires_at'], unique=False)
+    op.create_index(op.f('ix_refresh_tokens_user_id'), 'refresh_tokens', ['user_id'], unique=False)
+    op.drop_index('idx_tenants_domain', table_name='tenants')
+    op.drop_index('idx_tenants_slug', table_name='tenants')
+    op.drop_index('idx_tenants_status', table_name='tenants')
+    op.drop_table_comment(
+        'tenants',
+        existing_comment='Organizaciones cliente en el sistema multi-tenant',
+        schema=None
+    )
+    op.drop_index('idx_ticket_attachments_comment_id', table_name='ticket_attachments')
+    op.drop_index('idx_ticket_attachments_ticket_id', table_name='ticket_attachments')
+    op.drop_index('idx_ticket_attachments_uploaded_by', table_name='ticket_attachments')
+    op.drop_table_comment(
+        'ticket_attachments',
+        existing_comment='Archivos adjuntos en tickets',
+        schema=None
+    )
+    op.drop_index('idx_ticket_comments_author_id', table_name='ticket_comments')
+    op.drop_index('idx_ticket_comments_created_at', table_name='ticket_comments')
+    op.drop_index('idx_ticket_comments_ticket_id', table_name='ticket_comments')
+    op.drop_table_comment(
+        'ticket_comments',
+        existing_comment='Comentarios en tickets',
+        schema=None
+    )
+    op.drop_index('idx_tickets_assigned_to', table_name='tickets', postgresql_where='(assigned_to IS NOT NULL)')
+    op.drop_index('idx_tickets_category', table_name='tickets')
+    op.drop_index('idx_tickets_created_at', table_name='tickets')
+    op.drop_index('idx_tickets_created_by', table_name='tickets')
+    op.drop_index('idx_tickets_number', table_name='tickets')
+    op.drop_index('idx_tickets_priority', table_name='tickets')
+    op.drop_index('idx_tickets_sla_resolution', table_name='tickets')
+    op.drop_index('idx_tickets_sla_response', table_name='tickets')
+    op.drop_index('idx_tickets_status', table_name='tickets')
+    op.drop_index('idx_tickets_tenant_id', table_name='tickets')
+    op.drop_index('idx_tickets_tenant_status', table_name='tickets')
+    op.drop_table_comment(
+        'tickets',
+        existing_comment='Tickets de soporte - core del negocio',
+        schema=None
+    )
+    op.drop_index('idx_users_active', table_name='users')
+    op.drop_index('idx_users_email', table_name='users')
+    op.drop_index('idx_users_role', table_name='users')
+    op.drop_index('idx_users_tenant_email', table_name='users')
+    op.drop_index('idx_users_tenant_id', table_name='users')
+    op.drop_table_comment(
+        'users',
+        existing_comment='Usuarios del sistema (internos y clientes)',
+        schema=None
+    )
+    op.drop_column('users', 'backup_codes_temp')
+    op.drop_column('users', 'password_changed_at')
+    op.drop_column('users', 'totp_secret_temp')
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('users', sa.Column('totp_secret_temp', sa.VARCHAR(length=32), autoincrement=False, nullable=True))
+    op.add_column('users', sa.Column('password_changed_at', postgresql.TIMESTAMP(timezone=True), autoincrement=False, nullable=True))
+    op.add_column('users', sa.Column('backup_codes_temp', postgresql.ARRAY(sa.VARCHAR()), autoincrement=False, nullable=True))
+    op.create_table_comment(
+        'users',
+        'Usuarios del sistema (internos y clientes)',
+        existing_comment=None,
+        schema=None
+    )
+    op.create_index('idx_users_tenant_id', 'users', ['tenant_id'], unique=False)
+    op.create_index('idx_users_tenant_email', 'users', ['tenant_id', 'email'], unique=False)
+    op.create_index('idx_users_role', 'users', ['role'], unique=False)
+    op.create_index('idx_users_email', 'users', ['email'], unique=False)
+    op.create_index('idx_users_active', 'users', ['is_active'], unique=False)
+    op.create_table_comment(
+        'tickets',
+        'Tickets de soporte - core del negocio',
+        existing_comment=None,
+        schema=None
+    )
+    op.create_index('idx_tickets_tenant_status', 'tickets', ['tenant_id', 'status'], unique=False)
+    op.create_index('idx_tickets_tenant_id', 'tickets', ['tenant_id'], unique=False)
+    op.create_index('idx_tickets_status', 'tickets', ['status'], unique=False)
+    op.create_index('idx_tickets_sla_response', 'tickets', ['sla_response_due'], unique=False)
+    op.create_index('idx_tickets_sla_resolution', 'tickets', ['sla_resolution_due'], unique=False)
+    op.create_index('idx_tickets_priority', 'tickets', ['priority'], unique=False)
+    op.create_index('idx_tickets_number', 'tickets', ['ticket_number'], unique=False)
+    op.create_index('idx_tickets_created_by', 'tickets', ['created_by'], unique=False)
+    op.create_index('idx_tickets_created_at', 'tickets', ['created_at'], unique=False)
+    op.create_index('idx_tickets_category', 'tickets', ['category_id'], unique=False)
+    op.create_index('idx_tickets_assigned_to', 'tickets', ['assigned_to'], unique=False, postgresql_where='(assigned_to IS NOT NULL)')
+    op.create_table_comment(
+        'ticket_comments',
+        'Comentarios en tickets',
+        existing_comment=None,
+        schema=None
+    )
+    op.create_index('idx_ticket_comments_ticket_id', 'ticket_comments', ['ticket_id'], unique=False)
+    op.create_index('idx_ticket_comments_created_at', 'ticket_comments', ['created_at'], unique=False)
+    op.create_index('idx_ticket_comments_author_id', 'ticket_comments', ['author_id'], unique=False)
+    op.create_table_comment(
+        'ticket_attachments',
+        'Archivos adjuntos en tickets',
+        existing_comment=None,
+        schema=None
+    )
+    op.create_index('idx_ticket_attachments_uploaded_by', 'ticket_attachments', ['uploaded_by'], unique=False)
+    op.create_index('idx_ticket_attachments_ticket_id', 'ticket_attachments', ['ticket_id'], unique=False)
+    op.create_index('idx_ticket_attachments_comment_id', 'ticket_attachments', ['comment_id'], unique=False)
+    op.create_table_comment(
+        'tenants',
+        'Organizaciones cliente en el sistema multi-tenant',
+        existing_comment=None,
+        schema=None
+    )
+    op.create_index('idx_tenants_status', 'tenants', ['status'], unique=False)
+    op.create_index('idx_tenants_slug', 'tenants', ['slug'], unique=False)
+    op.create_index('idx_tenants_domain', 'tenants', ['domain'], unique=False)
+    op.drop_index(op.f('ix_refresh_tokens_user_id'), table_name='refresh_tokens')
+    op.drop_index(op.f('ix_refresh_tokens_expires_at'), table_name='refresh_tokens')
+    op.drop_index('idx_refresh_tokens_user_expires', table_name='refresh_tokens')
+    op.create_index('idx_refresh_tokens_user_id', 'refresh_tokens', ['user_id'], unique=False)
+    op.create_index('idx_refresh_tokens_expires', 'refresh_tokens', ['expires_at'], unique=False)
+    op.create_table_comment(
+        'audit_logs',
+        'Bit??cora de acciones para auditor??a y compliance',
+        existing_comment=None,
+        schema=None
+    )
+    op.drop_constraint(None, 'audit_logs', type_='foreignkey')
+    op.drop_constraint(None, 'audit_logs', type_='foreignkey')
+    op.create_foreign_key('audit_logs_tenant_id_fkey', 'audit_logs', 'tenants', ['tenant_id'], ['id'])
+    op.create_foreign_key('audit_logs_user_id_fkey', 'audit_logs', 'users', ['user_id'], ['id'])
+    op.drop_index(op.f('ix_audit_logs_user_id'), table_name='audit_logs')
+    op.drop_index(op.f('ix_audit_logs_tenant_id'), table_name='audit_logs')
+    op.drop_index(op.f('ix_audit_logs_resource_type'), table_name='audit_logs')
+    op.drop_index(op.f('ix_audit_logs_created_at'), table_name='audit_logs')
+    op.drop_index(op.f('ix_audit_logs_correlation_id'), table_name='audit_logs')
+    op.drop_index(op.f('ix_audit_logs_action'), table_name='audit_logs')
+    op.drop_index('idx_audit_logs_user_created', table_name='audit_logs')
+    op.drop_index('idx_audit_logs_tenant_action', table_name='audit_logs')
+    op.create_index('idx_audit_logs_user_id', 'audit_logs', ['user_id'], unique=False)
+    op.create_index('idx_audit_logs_tenant_id', 'audit_logs', ['tenant_id'], unique=False)
+    op.create_index('idx_audit_logs_created_at', 'audit_logs', ['created_at'], unique=False)
+    op.create_index('idx_audit_logs_correlation_id', 'audit_logs', ['correlation_id'], unique=False)
+    op.create_index('idx_audit_logs_action', 'audit_logs', ['action'], unique=False)
+    op.alter_column('audit_logs', 'created_at',
+               existing_type=postgresql.TIMESTAMP(timezone=True),
+               nullable=True,
+               existing_server_default=sa.text('now()'))
+    op.drop_column('audit_logs', 'updated_at')
+    op.create_table('notification_logs',
+    sa.Column('id', sa.UUID(), server_default=sa.text('gen_random_uuid()'), autoincrement=False, nullable=False),
+    sa.Column('tenant_id', sa.UUID(), autoincrement=False, nullable=False),
+    sa.Column('recipient_email', sa.VARCHAR(length=320), autoincrement=False, nullable=False),
+    sa.Column('subject', sa.VARCHAR(length=500), autoincrement=False, nullable=False),
+    sa.Column('template_type', sa.VARCHAR(length=50), autoincrement=False, nullable=True),
+    sa.Column('ticket_id', sa.UUID(), autoincrement=False, nullable=True),
+    sa.Column('user_id', sa.UUID(), autoincrement=False, nullable=True),
+    sa.Column('status', sa.VARCHAR(length=20), server_default=sa.text("'pending'::character varying"), autoincrement=False, nullable=True),
+    sa.Column('error_message', sa.TEXT(), autoincrement=False, nullable=True),
+    sa.Column('provider', sa.VARCHAR(length=50), autoincrement=False, nullable=True),
+    sa.Column('external_id', sa.VARCHAR(length=255), autoincrement=False, nullable=True),
+    sa.Column('sent_at', postgresql.TIMESTAMP(timezone=True), autoincrement=False, nullable=True),
+    sa.Column('created_at', postgresql.TIMESTAMP(timezone=True), server_default=sa.text('now()'), autoincrement=False, nullable=True),
+    sa.CheckConstraint("status::text = ANY (ARRAY['pending'::character varying, 'sent'::character varying, 'failed'::character varying, 'bounced'::character varying]::text[])", name='notification_logs_status_check'),
+    sa.ForeignKeyConstraint(['tenant_id'], ['tenants.id'], name='notification_logs_tenant_id_fkey'),
+    sa.ForeignKeyConstraint(['ticket_id'], ['tickets.id'], name='notification_logs_ticket_id_fkey'),
+    sa.ForeignKeyConstraint(['user_id'], ['users.id'], name='notification_logs_user_id_fkey'),
+    sa.PrimaryKeyConstraint('id', name='notification_logs_pkey')
+    )
+    op.create_index('idx_notification_logs_ticket_id', 'notification_logs', ['ticket_id'], unique=False)
+    op.create_index('idx_notification_logs_tenant_id', 'notification_logs', ['tenant_id'], unique=False)
+    op.create_index('idx_notification_logs_status', 'notification_logs', ['status'], unique=False)
+    op.create_index('idx_notification_logs_recipient', 'notification_logs', ['recipient_email'], unique=False)
+    op.create_index('idx_notification_logs_created_at', 'notification_logs', ['created_at'], unique=False)
+    op.create_table('ticket_status_history',
+    sa.Column('id', sa.UUID(), server_default=sa.text('gen_random_uuid()'), autoincrement=False, nullable=False),
+    sa.Column('ticket_id', sa.UUID(), autoincrement=False, nullable=False),
+    sa.Column('changed_by', sa.UUID(), autoincrement=False, nullable=False),
+    sa.Column('old_status', postgresql.ENUM('NEW', 'TRIAGE', 'IN_PROGRESS', 'WAITING_CUSTOMER', 'RESOLVED', 'CLOSED', 'REOPENED', name='ticket_status_enum'), autoincrement=False, nullable=True),
+    sa.Column('new_status', postgresql.ENUM('NEW', 'TRIAGE', 'IN_PROGRESS', 'WAITING_CUSTOMER', 'RESOLVED', 'CLOSED', 'REOPENED', name='ticket_status_enum'), autoincrement=False, nullable=False),
+    sa.Column('old_assigned_to', sa.UUID(), autoincrement=False, nullable=True),
+    sa.Column('new_assigned_to', sa.UUID(), autoincrement=False, nullable=True),
+    sa.Column('comment', sa.TEXT(), autoincrement=False, nullable=True),
+    sa.Column('created_at', postgresql.TIMESTAMP(timezone=True), server_default=sa.text('now()'), autoincrement=False, nullable=True),
+    sa.ForeignKeyConstraint(['changed_by'], ['users.id'], name='ticket_status_history_changed_by_fkey'),
+    sa.ForeignKeyConstraint(['new_assigned_to'], ['users.id'], name='ticket_status_history_new_assigned_to_fkey'),
+    sa.ForeignKeyConstraint(['old_assigned_to'], ['users.id'], name='ticket_status_history_old_assigned_to_fkey'),
+    sa.ForeignKeyConstraint(['ticket_id'], ['tickets.id'], name='ticket_status_history_ticket_id_fkey', ondelete='CASCADE'),
+    sa.PrimaryKeyConstraint('id', name='ticket_status_history_pkey')
+    )
+    op.create_index('idx_ticket_status_history_ticket_id', 'ticket_status_history', ['ticket_id'], unique=False)
+    op.create_index('idx_ticket_status_history_created_at', 'ticket_status_history', ['created_at'], unique=False)
+    op.create_index('idx_ticket_status_history_changed_by', 'ticket_status_history', ['changed_by'], unique=False)
+    op.create_table('email_templates',
+    sa.Column('tenant_id', sa.UUID(), autoincrement=False, nullable=False),
+    sa.Column('template_key', sa.VARCHAR(length=100), autoincrement=False, nullable=False),
+    sa.Column('name', sa.VARCHAR(length=255), autoincrement=False, nullable=False),
+    sa.Column('description', sa.TEXT(), autoincrement=False, nullable=True),
+    sa.Column('subject_template', sa.TEXT(), autoincrement=False, nullable=False),
+    sa.Column('html_template', sa.TEXT(), autoincrement=False, nullable=False),
+    sa.Column('text_template', sa.TEXT(), autoincrement=False, nullable=True),
+    sa.Column('is_active', sa.BOOLEAN(), autoincrement=False, nullable=False),
+    sa.Column('is_system', sa.BOOLEAN(), autoincrement=False, nullable=False),
+    sa.Column('required_variables', postgresql.JSON(astext_type=sa.Text()), autoincrement=False, nullable=True),
+    sa.Column('default_variables', postgresql.JSON(astext_type=sa.Text()), autoincrement=False, nullable=True),
+    sa.Column('from_name', sa.VARCHAR(length=255), autoincrement=False, nullable=True),
+    sa.Column('from_email', sa.VARCHAR(length=320), autoincrement=False, nullable=True),
+    sa.Column('version', sa.INTEGER(), autoincrement=False, nullable=False),
+    sa.Column('last_used_at', postgresql.TIMESTAMP(timezone=True), autoincrement=False, nullable=True),
+    sa.Column('usage_count', sa.INTEGER(), autoincrement=False, nullable=False),
+    sa.Column('id', sa.UUID(), autoincrement=False, nullable=False),
+    sa.Column('created_at', postgresql.TIMESTAMP(timezone=True), server_default=sa.text('now()'), autoincrement=False, nullable=False),
+    sa.Column('updated_at', postgresql.TIMESTAMP(timezone=True), server_default=sa.text('now()'), autoincrement=False, nullable=False),
+    sa.ForeignKeyConstraint(['tenant_id'], ['tenants.id'], name='email_templates_tenant_id_fkey', ondelete='CASCADE'),
+    sa.PrimaryKeyConstraint('id', name='email_templates_pkey')
+    )
+    op.create_index('idx_email_templates_tenant_id', 'email_templates', ['tenant_id'], unique=False)
+    # ### end Alembic commands ###

backend/migrations/versions/46bccd948688_add_ticket_participants.py

@@ -0,0 +1,28 @@
+"""add_ticket_participants
+
+Revision ID: 46bccd948688
+Revises: d2e3f4a5b6c7
+Create Date: 2026-03-11 17:59:55.409878
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '46bccd948688'
+down_revision = 'd2e3f4a5b6c7'
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    pass
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    pass
+    # ### end Alembic commands ###

backend/migrations/versions/b2dcb926e091_add_ticket_issues.py

@@ -0,0 +1,63 @@
+"""add_ticket_issues
+
+Revision ID: b2dcb926e091
+Revises: 46bccd948688
+Create Date: 2026-03-17 16:25:34.452826
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+
+revision = 'b2dcb926e091'
+down_revision = '46bccd948688'
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    conn = op.get_bind()
+    inspector = sa.inspect(conn)
+    existing_tables = inspector.get_table_names()
+
+    if 'ticket_issues' not in existing_tables:
+        op.create_table(
+            'ticket_issues',
+            sa.Column('id', sa.UUID(), nullable=False),
+            sa.Column('tenant_id', sa.UUID(), nullable=False),
+            sa.Column('ticket_id', sa.UUID(), nullable=False),
+            sa.Column('created_by', sa.UUID(), nullable=False),
+            sa.Column('content', sa.Text(), nullable=False),
+            sa.Column(
+                'priority',
+                postgresql.ENUM('LOW', 'MEDIUM', 'HIGH', 'URGENT',
+                                name='ticket_priority_enum', create_type=False),
+                nullable=False,
+            ),
+            sa.Column('attachment_path', sa.String(500), nullable=True),
+            sa.Column('attachment_filename', sa.String(255), nullable=True),
+            sa.Column('attachment_mime_type', sa.String(100), nullable=True),
+            sa.Column('created_at', postgresql.TIMESTAMP(timezone=True),
+                      server_default=sa.text('now()'), nullable=False),
+            sa.Column('updated_at', postgresql.TIMESTAMP(timezone=True),
+                      server_default=sa.text('now()'), nullable=False),
+            sa.ForeignKeyConstraint(['tenant_id'], ['tenants.id'], ondelete='CASCADE'),
+            sa.ForeignKeyConstraint(['ticket_id'], ['tickets.id'], ondelete='CASCADE'),
+            sa.ForeignKeyConstraint(['created_by'], ['users.id']),
+            sa.PrimaryKeyConstraint('id'),
+        )
+
+    if 'ticket_issue_tagged_users' not in existing_tables:
+        op.create_table(
+            'ticket_issue_tagged_users',
+            sa.Column('issue_id', sa.UUID(), nullable=False),
+            sa.Column('user_id', sa.UUID(), nullable=False),
+            sa.ForeignKeyConstraint(['issue_id'], ['ticket_issues.id'], ondelete='CASCADE'),
+            sa.ForeignKeyConstraint(['user_id'], ['users.id'], ondelete='CASCADE'),
+            sa.PrimaryKeyConstraint('issue_id', 'user_id'),
+        )
+
+
+def downgrade() -> None:
+    op.drop_table('ticket_issue_tagged_users')
+    op.drop_table('ticket_issues')

backend/migrations/versions/c1d2e3f4a5b6_add_client_roles_to_user_role_enum.py

@@ -0,0 +1,35 @@
+"""Add CLIENT_MANAGER, CLIENT_AGENT, CLIENT_AUDITOR to user_role_enum
+
+Revision ID: c1d2e3f4a5b6
+Revises: b7c8d9e0f1a2
+Create Date: 2026-03-03 10:00:00.000000
+
+Agrega tres nuevos roles de cliente al enum PostgreSQL:
+  - CLIENT_MANAGER  → gestiona tickets y usuarios del tenant
+  - CLIENT_AGENT    → atiende tickets del tenant
+  - CLIENT_AUDITOR  → auditoría de solo lectura del tenant
+"""
+from alembic import op
+
+
+# revision identifiers, used by Alembic.
+revision = 'c1d2e3f4a5b6'
+down_revision = 'b7c8d9e0f1a2'
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    # PostgreSQL permite agregar valores a un enum con ADD VALUE.
+    # IF NOT EXISTS evita error si la migración se aplica dos veces.
+    op.execute("ALTER TYPE user_role_enum ADD VALUE IF NOT EXISTS 'CLIENT_MANAGER'")
+    op.execute("ALTER TYPE user_role_enum ADD VALUE IF NOT EXISTS 'CLIENT_AGENT'")
+    op.execute("ALTER TYPE user_role_enum ADD VALUE IF NOT EXISTS 'CLIENT_AUDITOR'")
+
+
+def downgrade() -> None:
+    # PostgreSQL no permite eliminar valores de un enum con ALTER TYPE DROP VALUE.
+    # Para revertir habría que recrear el tipo completo desde cero, lo que requiere
+    # actualizar todas las columnas que lo usan. Se documenta como no reversible
+    # automáticamente — usar con precaución.
+    pass

backend/migrations/versions/d2e3f4a5b6c7_remove_intermediate_client_roles.py

@@ -0,0 +1,92 @@
+"""Remove CLIENT_MANAGER, CLIENT_AGENT, CLIENT_AUDITOR from user_role_enum
+
+Revision ID: d2e3f4a5b6c7
+Revises: c1d2e3f4a5b6
+Create Date: 2026-03-03 14:00:00.000000
+
+Consolida 9 roles → 6 roles migrando datos primero y luego recreando
+el tipo enum de PostgreSQL (única forma de eliminar valores en PG).
+
+Mapeo de datos:
+  CLIENT_MANAGER  → CLIENT_ADMIN   (conserva nivel de gestión)
+  CLIENT_AGENT    → CLIENT_USER    (acceso básico de cliente)
+  CLIENT_AUDITOR  → CLIENT_USER    (acceso básico de cliente)
+
+ADVERTENCIA DOWNGRADE: La migración inversa restaura los valores del
+enum pero NO puede recuperar la distinción original entre CLIENT_AGENT
+y CLIENT_AUDITOR (ambos quedaron como CLIENT_USER). El downgrade es
+seguro a nivel de integridad de datos, pero irreversible en semántica.
+"""
+from alembic import op
+
+
+# revision identifiers, used by Alembic.
+revision = 'd2e3f4a5b6c7'
+down_revision = 'c1d2e3f4a5b6'
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    # ── Paso 1: Migrar datos ANTES de modificar el tipo ────────────────────
+    # CLIENT_MANAGER → CLIENT_ADMIN (conserva acceso de gestión)
+    op.execute("UPDATE users SET role = 'CLIENT_ADMIN' WHERE role = 'CLIENT_MANAGER'")
+    # CLIENT_AGENT   → CLIENT_USER  (acceso básico de cliente)
+    op.execute("UPDATE users SET role = 'CLIENT_USER'  WHERE role = 'CLIENT_AGENT'")
+    # CLIENT_AUDITOR → CLIENT_USER  (acceso básico de cliente)
+    op.execute("UPDATE users SET role = 'CLIENT_USER'  WHERE role = 'CLIENT_AUDITOR'")
+
+    # ── Paso 2: Soltar la restricción de tipo para poder recrear el enum ───
+    # PostgreSQL no permite DROP VALUE en un enum; hay que recrear el tipo.
+    op.execute("ALTER TABLE users ALTER COLUMN role TYPE TEXT")
+
+    # ── Paso 3: Eliminar tipo actual y recrearlo solo con los 6 roles ──────
+    op.execute("DROP TYPE user_role_enum")
+    op.execute("""
+        CREATE TYPE user_role_enum AS ENUM (
+            'ADMIN',
+            'SUPPORT_MANAGER',
+            'AGENT',
+            'AUDITOR',
+            'CLIENT_ADMIN',
+            'CLIENT_USER'
+        )
+    """)
+
+    # ── Paso 4: Restaurar columna al tipo enum ──────────────────────────────
+    op.execute(
+        "ALTER TABLE users ALTER COLUMN role TYPE user_role_enum "
+        "USING role::user_role_enum"
+    )
+
+
+def downgrade() -> None:
+    # ── Paso 1: Soltar la restricción de tipo para recrear el enum ─────────
+    op.execute("ALTER TABLE users ALTER COLUMN role TYPE TEXT")
+
+    # ── Paso 2: Recrear enum con los 9 valores originales ──────────────────
+    op.execute("DROP TYPE user_role_enum")
+    op.execute("""
+        CREATE TYPE user_role_enum AS ENUM (
+            'ADMIN',
+            'SUPPORT_MANAGER',
+            'AGENT',
+            'AUDITOR',
+            'CLIENT_ADMIN',
+            'CLIENT_MANAGER',
+            'CLIENT_AGENT',
+            'CLIENT_AUDITOR',
+            'CLIENT_USER'
+        )
+    """)
+
+    # ── Paso 3: Restaurar columna al tipo enum ──────────────────────────────
+    op.execute(
+        "ALTER TABLE users ALTER COLUMN role TYPE user_role_enum "
+        "USING role::user_role_enum"
+    )
+
+    # ── Nota sobre pérdida de datos ─────────────────────────────────────────
+    # Los usuarios que eran CLIENT_MANAGER ahora son CLIENT_ADMIN.
+    # Los usuarios que eran CLIENT_AGENT o CLIENT_AUDITOR ahora son CLIENT_USER.
+    # No es posible restaurar la distinción original automáticamente.

docker-compose.yml

@@ -13,9 +13,9 @@ services:
       POSTGRES_INITDB_ARGS: "--encoding=UTF8 --locale=C"
     volumes:
       - postgres_data:/var/lib/postgresql/data
-      - ./db/schema.sql:/docker-entrypoint-initdb.d/01-schema.sql:ro
+      #- ./db/schema.sql:/docker-entrypoint-initdb.d/01-schema.sql:ro
     ports:
-      - "5432:5432"
+      - "5433:5432"
     healthcheck:
       test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-servicemanager}"]
       interval: 10s
@@ -215,7 +215,7 @@ services:
       - ./docker/nginx/default.conf:/etc/nginx/conf.d/default.conf:ro
       - uploads_data:/var/www/uploads:ro
     ports:
-      - "80:80"
+      - "8088:80"
     depends_on:
       - backend
       - frontend-client

frontend-client/fix_usuarios.py

@@ -0,0 +1,11 @@
+with open("/app/src/routes/usuarios/+page.svelte", "r") as f:
+    content = f.read()
+
+content = content.replace(
+    "{#if (user as any).can_manage_users && user.role !== 'CLIENT_ADMIN'}",
+    "{#if user.can_manage_users && user.role !== 'CLIENT_ADMIN'}"
+)
+
+with open("/app/src/routes/usuarios/+page.svelte", "w") as f:
+    f.write(content)
+print("Listo")

frontend-client/src/hooks.server.ts

@@ -1,19 +1,37 @@
 import type { Handle } from '@sveltejs/kit';
-
 export const handle: Handle = async ({ event, resolve }) => {
-	const cookie = event.request.headers.get('cookie') ?? '';
-	if (cookie) {
-		try {
-			const apiUrl = process.env.PUBLIC_API_URL ?? 'http://backend:8000';
-			const response = await fetch(`${apiUrl}/v1/auth/me`, {
-				headers: { cookie, 'X-App': 'client' }
-			});
-			event.locals.user = response.ok ? await response.json() : null;
-		} catch {
-			event.locals.user = null;
-		}
-	} else {
-		event.locals.user = null;
-	}
-	return resolve(event);
-};
+        // No restaurar sesión en la página de login
+        if (event.url.pathname === '/login') {
+                event.locals.user = null;
+                return resolve(event);
+        }
+
+        const cookieHeader = event.request.headers.get('cookie') ?? '';
+        const cookieMatch = cookieHeader.match(/(?:client_access_token|internal_access_token)=([^;]+)/);
+        const token = cookieMatch?.[1];
+
+        if (token) {
+                try {
+                        const apiUrl = process.env.PUBLIC_API_URL ?? 'http://backend:8000';
+                        const response = await fetch(`${apiUrl}/v1/auth/me`, {
+                                headers: { 
+                                        'Authorization': `Bearer ${token}`,
+                                        'X-App': 'client',
+                                        'X-Tenant-Slug': ''
+                                }
+                        });
+                        if (response.ok) {
+                                event.locals.user = await response.json();
+                        } else {
+                                event.locals.user = null;
+                                event.cookies.delete('client_access_token', { path: '/' });
+                                event.cookies.delete('internal_access_token', { path: '/' });
+                        }
+                } catch {
+                        event.locals.user = null;
+                }
+        } else {
+                event.locals.user = null;
+        }
+        return resolve(event);
+};

frontend-client/src/lib/components/Header.svelte

@@ -18,7 +18,7 @@
 
   function handleLogout() {
     isMenuOpen = false;
-    auth.logout(); // El store maneja la redirección automática
+    auth.logout(); // El store maneja la redirección automática
   }
 </script>
 
@@ -49,6 +49,13 @@
           >
             Mis Tickets
           </a>
+          
+          <a
+            href="/usuarios"
+            class="text-gray-700 hover:text-primary-600 px-3 py-2 text-sm font-medium"
+          >
+            Usuarios
+          </a>
           <a
             href="/tickets/new"
             class="text-gray-700 hover:text-primary-600 px-3 py-2 text-sm font-medium"
@@ -133,6 +140,13 @@
           >
             Mis Tickets
           </a>
+          
+          <a
+            href="/usuarios"
+            class="text-gray-700 hover:text-primary-600 px-3 py-2 text-sm font-medium"
+          >
+            Usuarios
+          </a>
           <a
             href="/tickets/new"
             class="text-gray-700 hover:text-primary-600 px-3 py-2 text-sm font-medium"

frontend-client/src/lib/components/IssueModal.svelte

@@ -0,0 +1,146 @@
+<script lang="ts">
+  import { createEventDispatcher } from 'svelte';
+  import { tickets } from '$lib/stores/tickets';
+  import { toast } from '$lib/stores/toast';
+
+  export let ticketId: string;
+
+  const dispatch = createEventDispatcher();
+
+  const PRIORITIES = [
+    { value: 'LOW', label: 'Baja' },
+    { value: 'MEDIUM', label: 'Media' },
+    { value: 'HIGH', label: 'Alta' },
+    { value: 'URGENT', label: 'Urgente' }
+  ];
+
+  let content = '';
+  let priority = 'MEDIUM';
+  let file: File | null = null;
+  let isSubmitting = false;
+
+  function handleFileChange(e: Event) {
+    const input = e.target as HTMLInputElement;
+    file = input.files?.[0] ?? null;
+  }
+
+  async function handleSubmit() {
+    if (!content.trim()) {
+      toast.error('El contenido del asunto es obligatorio');
+      return;
+    }
+    isSubmitting = true;
+    try {
+      await tickets.createIssue(ticketId, {
+        content: content.trim(),
+        priority,
+        tagged_user_ids: [],
+        file
+      });
+      toast.success('Asunto creado correctamente');
+      dispatch('created');
+      dispatch('close');
+    } catch (e: any) {
+      toast.error(e.message || 'Error al crear el asunto');
+    } finally {
+      isSubmitting = false;
+    }
+  }
+
+  function handleClose() {
+    dispatch('close');
+  }
+</script>
+
+<div class="fixed inset-0 z-50 overflow-y-auto">
+  <div class="flex min-h-full items-center justify-center p-4">
+    <div
+      class="fixed inset-0 bg-gray-500 bg-opacity-75"
+      on:click={handleClose}
+      role="button"
+      tabindex="-1"
+      on:keydown={(e) => e.key === 'Escape' && handleClose()}
+    />
+
+    <div class="relative bg-white rounded-lg shadow-xl w-full max-w-lg z-10">
+      <div class="flex items-center justify-between px-6 py-4 border-b border-gray-200">
+        <h3 class="text-lg font-semibold text-gray-900">Crear Asunto</h3>
+        <button type="button" on:click={handleClose} class="text-gray-400 hover:text-gray-500">
+          <svg class="h-5 w-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
+              d="M6 18L18 6M6 6l12 12" />
+          </svg>
+        </button>
+      </div>
+
+      <div class="px-6 py-5 space-y-5">
+        <div>
+          <label class="block text-sm font-medium text-gray-700 mb-1">
+            Descripción <span class="text-red-500">*</span>
+          </label>
+          <textarea
+            rows="4"
+            bind:value={content}
+            disabled={isSubmitting}
+            placeholder="Describe el asunto de escalación..."
+            class="form-input w-full"
+          />
+        </div>
+
+        <div>
+          <label class="block text-sm font-medium text-gray-700 mb-1">Prioridad</label>
+          <select bind:value={priority} disabled={isSubmitting} class="form-input w-full">
+            {#each PRIORITIES as p}
+              <option value={p.value}>{p.label}</option>
+            {/each}
+          </select>
+        </div>
+
+        <div>
+          <label class="block text-sm font-medium text-gray-700 mb-1">
+            Adjunto (opcional)
+          </label>
+          <input
+            type="file"
+            on:change={handleFileChange}
+            disabled={isSubmitting}
+            class="block w-full text-sm text-gray-500
+                   file:mr-4 file:py-2 file:px-4 file:rounded-md
+                   file:border-0 file:text-sm file:font-medium
+                   file:bg-blue-50 file:text-blue-700
+                   hover:file:bg-blue-100 disabled:opacity-50"
+          />
+          {#if file}
+            <p class="text-xs text-gray-500 mt-1">{file.name}</p>
+          {/if}
+        </div>
+      </div>
+
+      <div class="flex justify-end gap-3 px-6 py-4 border-t border-gray-200">
+        <button
+          type="button"
+          on:click={handleClose}
+          disabled={isSubmitting}
+          class="btn-secondary px-4 py-2"
+        >
+          Cancelar
+        </button>
+        <button
+          type="button"
+          on:click={handleSubmit}
+          disabled={isSubmitting || !content.trim()}
+          class="btn-primary px-4 py-2 disabled:opacity-50"
+        >
+          {#if isSubmitting}
+            <div class="flex items-center gap-2">
+              <div class="spinner w-4 h-4" />
+              <span>Creando...</span>
+            </div>
+          {:else}
+            Crear Asunto
+          {/if}
+        </button>
+      </div>
+    </div>
+  </div>
+</div>

frontend-client/src/lib/components/ParticipantsModal.svelte

@@ -0,0 +1,242 @@
+<script lang="ts">
+  import { createEventDispatcher, onMount } from 'svelte';
+  import { api } from '$lib/utils/api';
+  import { toast } from '$lib/stores/toast';
+  import { auth } from '$lib/stores/auth';
+
+  export let ticketId: string;
+  export let createdBy: string;
+
+  const dispatch = createEventDispatcher();
+
+  interface Participant {
+    id: string;
+    user_id: string;
+    ticket_id: string;
+    role: string;
+    user_email: string;
+    user_name: string;
+  }
+
+  interface User {
+    id: string;
+    email: string;
+    first_name: string;
+    last_name: string;
+    role: string;
+  }
+
+  let participants: Participant[] = [];
+  let allUsers: User[] = [];
+  let isLoading = true;
+  let isAdding = false;
+  let searchQuery = '';
+  let selectedUserId = '';
+
+  $: isCreator = $auth.user?.id === createdBy;
+  $: isGlobalAdmin = $auth.user?.role === 'ADMIN';
+  $: canManage = isCreator || isGlobalAdmin;
+
+  $: participantIds = new Set(participants.map(p => p.user_id));
+
+  $: filteredUsers = allUsers.filter(u => {
+    if (participantIds.has(u.id)) return false;
+    if (u.id === createdBy) return false;
+    const q = searchQuery.toLowerCase();
+    return !q ||
+      u.email.toLowerCase().includes(q) ||
+      `${u.first_name} ${u.last_name}`.toLowerCase().includes(q);
+  });
+
+  onMount(async () => {
+    await Promise.all([loadParticipants(), loadUsers()]);
+    isLoading = false;
+  });
+
+  async function loadParticipants() {
+    try {
+      participants = await api.get(`/tickets/${ticketId}/participants`);
+    } catch (e: any) {
+      toast.error('Error cargando participantes');
+    }
+  }
+
+  async function loadUsers() {
+    try {
+      allUsers = await api.get('/users/');
+    } catch (e: any) {
+      toast.error('Error cargando usuarios');
+    }
+  }
+
+  async function addParticipant(userId: string) {
+    if (!userId) return;
+    isAdding = true;
+    try {
+      const p = await api.post(`/tickets/${ticketId}/participants`, { user_id: userId });
+      participants = [...participants, p];
+      searchQuery = '';
+      toast.success('Participante agregado');
+    } catch (e: any) {
+      toast.error(e.message || 'Error al agregar participante');
+    } finally {
+      isAdding = false;
+    }
+  }
+
+  async function removeParticipant(userId: string) {
+    try {
+      await api.delete(`/tickets/${ticketId}/participants/${userId}`);
+      participants = participants.filter(p => p.user_id !== userId);
+      toast.success('Participante eliminado');
+    } catch (e: any) {
+      toast.error(e.message || 'Error al eliminar participante');
+    }
+  }
+
+  function avatarInitials(name: string, email: string): string {
+    if (name.trim()) {
+      const parts = name.trim().split(' ');
+      return (parts[0][0] + (parts[1]?.[0] || '')).toUpperCase();
+    }
+    return email[0].toUpperCase();
+  }
+
+  function avatarColor(email: string): string {
+    const colors = ['bg-blue-400', 'bg-violet-400', 'bg-emerald-400', 'bg-rose-400', 'bg-amber-400', 'bg-cyan-400'];
+    let hash = 0;
+    for (const c of email) hash = (hash << 5) - hash + c.charCodeAt(0);
+    return colors[Math.abs(hash) % colors.length];
+  }
+</script>
+
+<!-- Overlay -->
+<div class="fixed inset-0 z-50 flex items-center justify-center p-4">
+  <div class="absolute inset-0 bg-black/40 backdrop-blur-sm" on:click={() => dispatch('close')}></div>
+
+  <div class="relative bg-white rounded-2xl shadow-2xl w-full max-w-lg z-10 overflow-hidden">
+
+    <!-- Header -->
+    <div class="flex items-center justify-between px-6 py-4 border-b border-gray-100">
+      <div>
+        <h2 class="text-lg font-semibold text-gray-900">Participantes del asunto</h2>
+        <p class="text-xs text-gray-400 mt-0.5">{participants.length} persona{participants.length !== 1 ? 's' : ''} involucrada{participants.length !== 1 ? 's' : ''}</p>
+      </div>
+      <button type="button" on:click={() => dispatch('close')}
+        class="p-1.5 rounded-lg hover:bg-gray-100 text-gray-400 transition-colors">
+        <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+          <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"/>
+        </svg>
+      </button>
+    </div>
+
+    <div class="p-6 space-y-5 max-h-[70vh] overflow-y-auto">
+
+      <!-- Buscador para agregar -->
+      {#if canManage}
+        <div>
+          <label class="block text-sm font-medium text-gray-700 mb-2">Agregar persona</label>
+          <div class="relative">
+            <svg class="absolute left-3 top-1/2 -translate-y-1/2 w-4 h-4 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+              <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z"/>
+            </svg>
+            <input
+              type="text"
+              placeholder="Buscar por nombre o email..."
+              bind:value={searchQuery}
+              class="w-full pl-9 pr-4 py-2 text-sm border border-gray-200 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500"
+            />
+          </div>
+
+          <!-- Resultados de búsqueda -->
+          {#if searchQuery && filteredUsers.length > 0}
+            <div class="mt-2 border border-gray-200 rounded-lg overflow-hidden shadow-sm">
+              {#each filteredUsers.slice(0, 6) as user (user.id)}
+                <button
+                  type="button"
+                  on:click={() => addParticipant(user.id)}
+                  disabled={isAdding}
+                  class="w-full flex items-center gap-3 px-4 py-3 hover:bg-blue-50 transition-colors text-left border-b border-gray-100 last:border-0"
+                >
+                  <div class="w-8 h-8 rounded-full {avatarColor(user.email)} flex items-center justify-center text-white text-xs font-bold flex-shrink-0">
+                    {avatarInitials(`${user.first_name} ${user.last_name}`, user.email)}
+                  </div>
+                  <div class="min-w-0">
+                    <p class="text-sm font-medium text-gray-900 truncate">{user.first_name} {user.last_name}</p>
+                    <p class="text-xs text-gray-400 truncate">{user.email}</p>
+                  </div>
+                  <span class="ml-auto text-xs text-blue-600 font-medium flex-shrink-0">+ Agregar</span>
+                </button>
+              {/each}
+            </div>
+          {:else if searchQuery && filteredUsers.length === 0}
+            <p class="mt-2 text-sm text-gray-400 text-center py-2">No se encontraron usuarios disponibles</p>
+          {/if}
+        </div>
+      {/if}
+
+      <!-- Lista de participantes -->
+      <div>
+        <h3 class="text-sm font-medium text-gray-700 mb-3">
+          {canManage ? 'Participantes actuales' : 'Personas involucradas'}
+        </h3>
+
+        {#if isLoading}
+          <div class="flex justify-center py-6">
+            <div class="animate-spin rounded-full h-6 w-6 border-b-2 border-blue-600"></div>
+          </div>
+
+        {:else if participants.length === 0}
+          <div class="text-center py-8 bg-gray-50 rounded-lg border border-dashed border-gray-200">
+            <svg class="w-10 h-10 mx-auto text-gray-300 mb-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+              <path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M17 20h5v-2a3 3 0 00-5.356-1.857M17 20H7m10 0v-2c0-.656-.126-1.283-.356-1.857M7 20H2v-2a3 3 0 015.356-1.857M7 20v-2c0-.656.126-1.283.356-1.857m0 0a5.002 5.002 0 019.288 0M15 7a3 3 0 11-6 0 3 3 0 016 0z"/>
+            </svg>
+            <p class="text-sm text-gray-400">Aún no hay participantes</p>
+            {#if canManage}
+              <p class="text-xs text-gray-300 mt-1">Usa el buscador para agregar personas</p>
+            {/if}
+          </div>
+
+        {:else}
+          <div class="space-y-2">
+            {#each participants as p (p.id)}
+              <div class="flex items-center gap-3 p-3 bg-gray-50 rounded-lg group">
+                <div class="w-9 h-9 rounded-full {avatarColor(p.user_email)} flex items-center justify-center text-white text-xs font-bold flex-shrink-0">
+                  {avatarInitials(p.user_name, p.user_email)}
+                </div>
+                <div class="min-w-0 flex-1">
+                  <p class="text-sm font-medium text-gray-900 truncate">{p.user_name || p.user_email}</p>
+                  <p class="text-xs text-gray-400 truncate">{p.user_email}</p>
+                </div>
+                <span class="text-xs text-gray-400 bg-white px-2 py-0.5 rounded-full border border-gray-200">
+                  Participante
+                </span>
+                {#if canManage}
+                  <button
+                    type="button"
+                    on:click={() => removeParticipant(p.user_id)}
+                    class="p-1 rounded text-gray-300 hover:text-rose-500 hover:bg-rose-50 transition-colors opacity-0 group-hover:opacity-100"
+                    title="Quitar participante"
+                  >
+                    <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                      <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"/>
+                    </svg>
+                  </button>
+                {/if}
+              </div>
+            {/each}
+          </div>
+        {/if}
+      </div>
+    </div>
+
+    <!-- Footer -->
+    <div class="px-6 py-4 bg-gray-50 border-t border-gray-100 flex justify-end">
+      <button type="button" on:click={() => dispatch('close')}
+        class="px-4 py-2 text-sm font-medium text-gray-700 bg-white border border-gray-200 rounded-lg hover:bg-gray-50 transition-colors">
+        Cerrar
+      </button>
+    </div>
+
+  </div>
+</div>

frontend-client/src/lib/stores/auth.ts

@@ -1,7 +1,6 @@
 import type { Writable } from 'svelte/store';
 import { writable } from 'svelte/store';
 
-// Types
 export interface User {
   id: string;
   email: string;
@@ -35,7 +34,6 @@ export interface LoginResponse {
   user: User;
 }
 
-// Initial state
 const initialState: AuthState = {
   user: null,
   token: null,
@@ -43,100 +41,86 @@ const initialState: AuthState = {
   isLoading: false
 };
 
-// Create auth store
 function createAuthStore() {
   const { subscribe, set, update }: Writable<AuthState> = writable(initialState);
+  let _state = initialState;
+  subscribe(s => { _state = s; });
 
   return {
     subscribe,
 
-    // Rehidrata sesión desde cookie HttpOnly (no toca localStorage)
+    // Verifica sesión activa al cargar la app (cookie HttpOnly)
     init: async () => {
-      if (typeof window !== 'undefined') {
-        try {
-          const response = await fetch('/api/v1/auth/me', {
-            credentials: 'include',
-            headers: { 'X-App': 'client' }
-          });
-          if (response.ok) {
-            const user = await response.json();
-            set({
-              user,
-              token: null,
-              isAuthenticated: true,
-              isLoading: false
-            });
+      if (typeof window === 'undefined') return;
+      try {
+        const response = await fetch('/api/v1/auth/me', {
+          credentials: 'include',
+          headers: {
+            'X-App': 'client',
+            // Sin X-Tenant-ID aquí — /auth/me lee el tenant del JWT directamente
           }
-          // 401/400 es esperado cuando no hay sesión activa — no es un error
-        } catch (error) {
-          // Ignorar errores de red en init
+        });
+        if (response.ok) {
+          const user = await response.json();
+          // Token es null — la autenticación viaja por cookie HttpOnly
+          // El store solo necesita el user para la UI
+          set({ user, token: null, isAuthenticated: true, isLoading: false });
+        } else {
+          // Cookie expirada o inválida — limpiar estado
+          set(initialState);
         }
+      } catch {
+        set(initialState);
       }
     },
 
-    // Login
     login: async (credentials: LoginRequest): Promise<void> => {
       update(state => ({ ...state, isLoading: true }));
-
       try {
         const response = await fetch('/api/v1/auth/login', {
           method: 'POST',
           credentials: 'include',
           headers: {
             'Content-Type': 'application/json',
+            'X-Tenant-Slug': credentials.tenant_slug,
           },
           body: JSON.stringify(credentials)
         });
-
         if (!response.ok) {
           const error = await response.json();
           throw new Error(error.detail || 'Login failed');
         }
-
         const data: LoginResponse = await response.json();
-
-        set({
-          user: data.user,
-          token: data.access_token,
-          isAuthenticated: true,
-          isLoading: false
-        });
+        // Guardamos el token en memoria para requests inmediatos
+        // Si la página se recarga, init() recupera la sesión desde la cookie
+        set({ user: data.user, token: data.access_token, isAuthenticated: true, isLoading: false });
       } catch (error) {
         update(state => ({ ...state, isLoading: false }));
         throw error;
       }
     },
 
-    // Logout
     logout: async () => {
-      // Llamar al backend para que borre la cookie HttpOnly
       try {
+        const token = _state.token;
         await fetch('/api/v1/auth/logout', {
           method: 'POST',
           credentials: 'include',
-          headers: { 'X-App': 'client' }
+          headers: {
+            'X-App': 'client',
+            ...(token ? { 'Authorization': `Bearer ${token}` } : {})
+          }
         });
-      } catch { /* ignorar errores de red */ }
+      } catch {}
       set(initialState);
       if (typeof window !== 'undefined') {
         window.location.href = '/login';
       }
     },
 
-    // Update user data
-    updateUser: (user: User) => {
-      update(state => ({ ...state, user }));
-    },
-
-    // Set user from SSR pre-load (no fetch required)
-    setUser: (user: User) => {
-      set({ user, token: null, isAuthenticated: true, isLoading: false });
-    },
-
-    // Set loading state
-    setLoading: (isLoading: boolean) => {
-      update(state => ({ ...state, isLoading }));
-    }
+    updateUser: (user: User) => { update(state => ({ ...state, user })); },
+    setUser: (user: User) => { set({ user, token: null, isAuthenticated: true, isLoading: false }); },
+    setLoading: (isLoading: boolean) => { update(state => ({ ...state, isLoading })); }
   };
 }
 

frontend-client/src/lib/stores/auth.ts.bak

@@ -0,0 +1,104 @@
+import type { Writable } from 'svelte/store';
+import { writable } from 'svelte/store';
+export interface User {
+  id: string;
+  email: string;
+  first_name: string;
+  last_name: string;
+  tenant_id: string;
+  role: 'CLIENT_ADMIN' | 'CLIENT_USER';
+  is_active: boolean;
+  is_two_factor_enabled: boolean;
+  created_at: string;
+}
+export interface AuthState {
+  user: User | null;
+  token: string | null;
+  isAuthenticated: boolean;
+  isLoading: boolean;
+}
+export interface LoginRequest {
+  email: string;
+  password: string;
+  tenant_slug: string;
+  totp_code?: string;
+}
+export interface LoginResponse {
+  access_token: string;
+  token_type: string;
+  expires_in: number;
+  user: User;
+}
+const initialState: AuthState = {
+  user: null,
+  token: null,
+  isAuthenticated: false,
+  isLoading: false
+};
+function createAuthStore() {
+  const { subscribe, set, update }: Writable<AuthState> = writable(initialState);
+  let _state = initialState;
+  subscribe(s => { _state = s; });
+  return {
+    subscribe,
+    init: async () => {
+      if (typeof window !== 'undefined') {
+        try {
+          const response = await fetch('/api/v1/auth/me', {
+            credentials: 'include',
+            headers: { 'X-App': 'client', 'X-Tenant-Slug': 'aduanasoft' }
+          });
+          if (response.ok) {
+            const user = await response.json();
+            set({ user, token: null, isAuthenticated: true, isLoading: false });
+          }
+        } catch (error) {}
+      }
+    },
+    login: async (credentials: LoginRequest): Promise<void> => {
+      update(state => ({ ...state, isLoading: true }));
+      try {
+        const response = await fetch('/api/v1/auth/login', {
+          method: 'POST',
+          credentials: 'include',
+          headers: {
+            'Content-Type': 'application/json',
+            'X-Tenant-Slug': credentials.tenant_slug,
+          },
+          body: JSON.stringify(credentials)
+        });
+        if (!response.ok) {
+          const error = await response.json();
+          throw new Error(error.detail || 'Login failed');
+        }
+        const data: LoginResponse = await response.json();
+        set({ user: data.user, token: data.access_token, isAuthenticated: true, isLoading: false });
+      } catch (error) {
+        update(state => ({ ...state, isLoading: false }));
+        throw error;
+      }
+    },
+    logout: async () => {
+      try {
+        const token = _state.token;
+        await fetch('/api/v1/auth/logout', {
+          method: 'POST',
+          credentials: 'include',
+          headers: {
+            'X-App': 'client',
+            'X-Tenant-Slug': 'aduanasoft',
+            ...(token ? { 'Authorization': `Bearer ${token}` } : {})
+          }
+        });
+      } catch {}
+      set(initialState);
+      if (typeof window !== 'undefined') {
+        window.location.href = '/login';
+      }
+    },
+    updateUser: (user: User) => { update(state => ({ ...state, user })); },
+    setUser: (user: User) => { set({ user, token: null, isAuthenticated: true, isLoading: false }); },
+    setLoading: (isLoading: boolean) => { update(state => ({ ...state, isLoading })); }
+  };
+}
+export const auth = createAuthStore();

frontend-client/src/lib/stores/tickets.ts

@@ -2,7 +2,6 @@ import type { Writable } from 'svelte/store';
 import { get, writable } from 'svelte/store';
 import { auth } from './auth';
 
-// Types
 interface FastAPIValidationError {
   loc: (string | number)[];
   msg: string;
@@ -24,6 +23,11 @@ export interface Ticket {
   updated_at: string;
   due_date: string | null;
   resolution: string | null;
+  first_response_at?: string | null;
+  resolved_at?: string | null;
+  sla_response_due?: string | null;
+  sla_resolution_due?: string | null;
+  created_by?: string;
 }
 
 export interface TicketComment {
@@ -50,6 +54,19 @@ export interface TicketAttachment {
   uploaded_at: string;
 }
 
+export interface TicketIssue {
+  id: string;
+  ticket_id: string;
+  content: string;
+  priority: 'LOW' | 'MEDIUM' | 'HIGH' | 'URGENT';
+  created_by: string;
+  created_by_name: string;
+  tagged_users: { id: string; full_name: string; email: string }[];
+  attachment_filename: string | null;
+  created_at: string;
+  updated_at: string;
+}
+
 export interface CreateTicketRequest {
   title: string;
   description: string;
@@ -62,33 +79,35 @@ export interface TicketsState {
   currentTicket: Ticket | null;
   comments: TicketComment[];
   attachments: TicketAttachment[];
+  issues: TicketIssue[];
   isLoading: boolean;
   error: string | null;
 }
 
-// Initial state
 const initialState: TicketsState = {
   tickets: [],
   currentTicket: null,
   comments: [],
   attachments: [],
+  issues: [],
   isLoading: false,
   error: null
 };
 
-// API helper function
 async function apiCall(endpoint: string, options: RequestInit = {}) {
   const authState = get(auth);
+  if (!authState.user) throw new Error('Not authenticated');
 
-  if (!authState.user) {
-    throw new Error('Not authenticated');
-  }
+  // Verificar que el usuario sigue autenticado
+  if (!authState.isAuthenticated) throw new Error('Session expired');
 
   const headers: Record<string, string> = {
     'Content-Type': 'application/json',
     'X-App': 'client',
     ...(options.headers as Record<string, string>)
   };
+  // Solo agregar Authorization si el token existe en memoria
+  // Si no está (recarga de página), la cookie HttpOnly lo maneja
   if (authState.token) headers['Authorization'] = `Bearer ${authState.token}`;
   if (authState.user.tenant_id) headers['X-Tenant-ID'] = authState.user.tenant_id;
 
@@ -102,13 +121,11 @@ async function apiCall(endpoint: string, options: RequestInit = {}) {
     let errorMessage = 'Request failed';
     try {
       const error = await response.json();
-      console.error('❌ API Error Response:', error);
-
-      // Manejar diferentes formatos de error de FastAPI
       if (error.detail) {
         if (Array.isArray(error.detail)) {
-          // Errores de validación de FastAPI
-          errorMessage = error.detail.map((e: FastAPIValidationError) => `${e.loc.join('.')}: ${e.msg}`).join(', ');
+          errorMessage = error.detail
+            .map((e: FastAPIValidationError) => `${e.loc.join('.')}: ${e.msg}`)
+            .join(', ');
         } else if (typeof error.detail === 'string') {
           errorMessage = error.detail;
         } else {
@@ -117,34 +134,29 @@ async function apiCall(endpoint: string, options: RequestInit = {}) {
       } else {
         errorMessage = JSON.stringify(error);
       }
-    } catch (e) {
+    } catch {
       errorMessage = `HTTP ${response.status}: ${response.statusText}`;
     }
-
     throw new Error(errorMessage);
   }
 
   return response.json();
 }
 
-// Create tickets store
 function createTicketsStore() {
-  const { subscribe, set, update }: Writable<TicketsState> = writable(initialState);
+  const { subscribe, update }: Writable<TicketsState> = writable(initialState);
 
   return {
     subscribe,
 
-    // Load user's tickets
     loadTickets: async () => {
-      update((state: TicketsState) => ({ ...state, isLoading: true, error: null }));
-
+      update(state => ({ ...state, isLoading: true, error: null }));
       try {
         const raw = await apiCall('/tickets/');
-        // El backend devuelve 'subject', el tipo Ticket usa 'title'
         const tickets = raw.map((t: any) => ({ ...t, title: t.subject ?? t.title }));
-        update((state: TicketsState) => ({ ...state, tickets, isLoading: false }));
+        update(state => ({ ...state, tickets, isLoading: false }));
       } catch (error) {
-        update((state: TicketsState) => ({
+        update(state => ({
           ...state,
           isLoading: false,
           error: error instanceof Error ? error.message : 'Failed to load tickets'
@@ -152,78 +164,117 @@ function createTicketsStore() {
       }
     },
 
-    // Load specific ticket with details
     loadTicket: async (ticketId: string) => {
-      update((state: TicketsState) => ({ ...state, isLoading: true, error: null }));
-
+      update(state => ({ ...state, isLoading: true, error: null }));
       try {
-        const [ticketRaw, comments, attachments] = await Promise.all([
+        const [ticketRaw, comments, attachments, issues] = await Promise.all([
           apiCall(`/tickets/${ticketId}`),
           apiCall(`/tickets/${ticketId}/comments`),
-          apiCall(`/tickets/${ticketId}/attachments`)
+          apiCall(`/tickets/${ticketId}/attachments`),
+          apiCall(`/tickets/${ticketId}/issues`)
         ]);
-        // El backend devuelve 'subject', el tipo Ticket usa 'title'
         const ticket = { ...ticketRaw, title: ticketRaw.subject ?? ticketRaw.title };
-
-        update((state: TicketsState) => ({
+        update(state => ({
           ...state,
           currentTicket: ticket,
           comments,
           attachments,
+          issues,
           isLoading: false
         }));
       } catch (error) {
-        update((state: TicketsState) => ({
+        update(state => ({
           ...state,
           isLoading: false,
           error: error instanceof Error ? error.message : 'Failed to load ticket'
         }));
       }
     },
-    // Reload only comments silently (for polling)
+
     reloadComments: async (ticketId: string) => {
       try {
         const comments = await apiCall(`/tickets/${ticketId}/comments`);
-        update((state: TicketsState) => ({ ...state, comments }));
-      } catch (error) {
-        // Silent fail - no mostrar error en polling
-        console.error('Error reloading comments:', error);
+        update(state => ({ ...state, comments }));
+      } catch {
+        // Silent fail en polling
       }
     },
 
+    createIssue: async (ticketId: string, data: {
+      content: string;
+      priority: string;
+      tagged_user_ids: string[];
+      file?: File | null;
+    }) => {
+      const authState = get(auth);
+      if (!authState.user) throw new Error('Not authenticated');
+      if (!authState.isAuthenticated) throw new Error('Session expired');
+
+      const headers: Record<string, string> = { 'X-App': 'client' };
+      // Solo agregar token si existe — sino la cookie HttpOnly lo maneja
+      if (authState.token) headers['Authorization'] = `Bearer ${authState.token}`;
+      if (authState.user.tenant_id) headers['X-Tenant-ID'] = authState.user.tenant_id;
+
+      let body: FormData | string;
+
+      if (data.file) {
+        const formData = new FormData();
+        formData.append('content', data.content);
+        formData.append('priority', data.priority);
+        data.tagged_user_ids.forEach(id => formData.append('tagged_user_ids', id));
+        formData.append('file', data.file);
+        body = formData;
+        // NO poner Content-Type — el browser lo agrega con boundary automáticamente
+      } else {
+        headers['Content-Type'] = 'application/json';
+        body = JSON.stringify({
+          content: data.content,
+          priority: data.priority,
+          tagged_user_ids: data.tagged_user_ids
+        });
+      }
+
+      const response = await fetch(`/api/v1/tickets/${ticketId}/issues`, {
+        method: 'POST',
+        credentials: 'include',
+        headers,
+        body
+      });
+
+      if (!response.ok) {
+        const error = await response.json().catch(() => ({ detail: 'Error creating issue' }));
+        throw new Error(
+          typeof error.detail === 'string' ? error.detail : JSON.stringify(error.detail)
+        );
+      }
+
+      const newIssue = await response.json();
+      update(state => ({ ...state, issues: [newIssue, ...state.issues] }));
+      return newIssue;
+    },
 
-    // Create new ticket
     createTicket: async (ticket: CreateTicketRequest) => {
-      update((state: TicketsState) => ({ ...state, isLoading: true, error: null }));
-
+      update(state => ({ ...state, isLoading: true, error: null }));
       try {
-        // Mapear campos del frontend al formato del backend
         const ticketData = {
-          subject: ticket.title,           // ← Backend espera "subject" no "title"
+          subject: ticket.title,
           description: ticket.description,
           category_id: ticket.category_id,
           priority: ticket.priority,
-          system_id: null                  // ← Opcional
+          system_id: null
         };
-
-
-        console.log('Sending ticket data:', ticketData);
-
         const newTicket = await apiCall('/tickets/', {
           method: 'POST',
           body: JSON.stringify(ticketData)
         });
-
-        update((state: TicketsState) => ({
+        update(state => ({
           ...state,
           tickets: [newTicket, ...state.tickets],
           isLoading: false
         }));
-
         return newTicket;
       } catch (error) {
-        console.error('Create ticket error:', error);
-        update((state: TicketsState) => ({
+        update(state => ({
           ...state,
           isLoading: false,
           error: error instanceof Error ? error.message : 'Failed to create ticket'
@@ -232,22 +283,18 @@ function createTicketsStore() {
       }
     },
 
-    // Add comment to ticket
     addComment: async (ticketId: string, content: string) => {
       try {
         const comment = await apiCall(`/tickets/${ticketId}/comments`, {
           method: 'POST',
-          body: JSON.stringify({ content })
+          // is_internal siempre false desde el frontend cliente
+          // el backend además lo bloquearía si fuera true (fix de seguridad pendiente)
+          body: JSON.stringify({ content, is_internal: false })
         });
-
-        update((state: TicketsState) => ({
-          ...state,
-          comments: [...state.comments, comment]
-        }));
-
+        update(state => ({ ...state, comments: [...state.comments, comment] }));
         return comment;
       } catch (error) {
-        update((state: TicketsState) => ({
+        update(state => ({
           ...state,
           error: error instanceof Error ? error.message : 'Failed to add comment'
         }));
@@ -255,17 +302,12 @@ function createTicketsStore() {
       }
     },
 
-    // Upload attachment
     uploadAttachment: async (ticketId: string, file: File) => {
       try {
         const formData = new FormData();
         formData.append('file', file);
-
         const authState = get(auth);
-
-        if (!authState.user) {
-          throw new Error('Not authenticated');
-        }
+        if (!authState.user) throw new Error('Not authenticated');
 
         const uploadHeaders: Record<string, string> = { 'X-App': 'client' };
         if (authState.token) uploadHeaders['Authorization'] = `Bearer ${authState.token}`;
@@ -285,15 +327,10 @@ function createTicketsStore() {
 
         const result = await response.json();
         const attachment = result.data || result;
-
-        update((state: TicketsState) => ({
-          ...state,
-          attachments: [...state.attachments, attachment]
-        }));
-
+        update(state => ({ ...state, attachments: [...state.attachments, attachment] }));
         return attachment;
       } catch (error) {
-        update((state: TicketsState) => ({
+        update(state => ({
           ...state,
           error: error instanceof Error ? error.message : 'Failed to upload attachment'
         }));
@@ -301,23 +338,20 @@ function createTicketsStore() {
       }
     },
 
-    // Close ticket (client can close their own tickets)
     closeTicket: async (ticketId: string, resolution?: string) => {
       try {
         const updatedTicket = await apiCall(`/tickets/${ticketId}/close`, {
           method: 'PATCH',
-          body: JSON.stringify({ resolution })
+          body: JSON.stringify({ resolution_notes: resolution })
         });
-
-        update((state: TicketsState) => ({
+        update(state => ({
           ...state,
           currentTicket: state.currentTicket?.id === ticketId ? updatedTicket : state.currentTicket,
-          tickets: state.tickets.map((t: Ticket) => t.id === ticketId ? updatedTicket : t)
+          tickets: state.tickets.map(t => t.id === ticketId ? updatedTicket : t)
         }));
-
         return updatedTicket;
       } catch (error) {
-        update((state: TicketsState) => ({
+        update(state => ({
           ...state,
           error: error instanceof Error ? error.message : 'Failed to close ticket'
         }));
@@ -325,45 +359,36 @@ function createTicketsStore() {
       }
     },
 
-    // Clear error
-    clearError: () => {
-      update((state: TicketsState) => ({ ...state, error: null }));
-    },
+    clearError: () => { update(state => ({ ...state, error: null })); },
 
-    // Clear current ticket
     clearCurrentTicket: () => {
-      update((state: TicketsState) => ({
+      update(state => ({
         ...state,
         currentTicket: null,
         comments: [],
-        attachments: []
+        attachments: [],
+        issues: []
       }));
     },
 
-    // Download attachment
     downloadAttachment: async (ticketId: string, attachmentId: string, filename: string) => {
       const authState = get(auth);
-
-      if (!authState.user) {
-        throw new Error('Not authenticated');
-      }
+      if (!authState.user) throw new Error('Not authenticated');
 
       const dlHeaders: Record<string, string> = { 'X-App': 'client' };
       if (authState.token) dlHeaders['Authorization'] = `Bearer ${authState.token}`;
       if (authState.user.tenant_id) dlHeaders['X-Tenant-ID'] = authState.user.tenant_id;
 
-      const response = await fetch(`/api/v1/tickets/${ticketId}/attachments/${attachmentId}/download`, {
-        method: 'GET',
-        credentials: 'include',
-        headers: dlHeaders
-      });
+      const response = await fetch(
+        `/api/v1/tickets/${ticketId}/attachments/${attachmentId}/download`,
+        { method: 'GET', credentials: 'include', headers: dlHeaders }
+      );
 
       if (!response.ok) {
         const error = await response.json().catch(() => ({ detail: 'Download failed' }));
         throw new Error(error.detail || 'Download failed');
       }
 
-      // Crear blob y descargar
       const blob = await response.blob();
       const url = window.URL.createObjectURL(blob);
       const a = document.createElement('a');

frontend-client/src/lib/utils/api.ts

@@ -1,13 +1,7 @@
-/**
- * Cliente HTTP centralizado para frontend-client.
- * Usa cookies HttpOnly (client_access_token) como fuente primaria de auth,
- * con Bearer token como complemento cuando está disponible en memoria.
- */
 import { auth } from '$lib/stores/auth';
 import { get } from 'svelte/store';
 
 const API_BASE = '/api/v1';
-
 interface RequestOptions extends RequestInit {
   params?: Record<string, string>;
 }
@@ -20,7 +14,6 @@ async function request<T>(endpoint: string, options: RequestOptions = {}): Promi
     const filteredParams = Object.entries(params)
       .filter(([, value]) => value !== undefined && value !== null && value !== '')
       .reduce((acc, [key, value]) => ({ ...acc, [key]: value }), {});
-
     if (Object.keys(filteredParams).length > 0) {
       url += `?${new URLSearchParams(filteredParams).toString()}`;
     }
@@ -29,18 +22,16 @@ async function request<T>(endpoint: string, options: RequestOptions = {}): Promi
   const authState = get(auth);
   const headers = new Headers(init.headers);
 
-  // Bearer header cuando el token está en memoria (sesión activa sin reload)
   if (authState.token) {
     headers.set('Authorization', `Bearer ${authState.token}`);
   }
-  if (authState.user?.tenant_id && !headers.has('X-Tenant-ID')) {
-    headers.set('X-Tenant-ID', authState.user.tenant_id);
-  }
+
   if (!headers.has('Content-Type')) {
     headers.set('Content-Type', 'application/json');
   }
-  // Identifica este frontend para que el backend use client_access_token
   headers.set('X-App', 'client');
+  const slug = get(auth)?.user?.tenant_slug || get(auth)?.user?.tenant_id || '';
+  headers.set('X-Tenant-Slug', slug);
 
   const response = await fetch(url, {
     ...init,
@@ -74,10 +65,10 @@ async function downloadFile(endpoint: string, filename: string): Promise<void> {
   if (authState.token) {
     headers.set('Authorization', `Bearer ${authState.token}`);
   }
-  if (authState.user?.tenant_id) {
-    headers.set('X-Tenant-ID', authState.user.tenant_id);
   }
   headers.set('X-App', 'client');
+  const slug = get(auth)?.user?.tenant_slug || get(auth)?.user?.tenant_id || '';
+  headers.set('X-Tenant-Slug', slug);
 
   const response = await fetch(`${API_BASE}${endpoint}`, {
     method: 'GET',
@@ -108,19 +99,14 @@ async function downloadFile(endpoint: string, filename: string): Promise<void> {
 export const api = {
   get: <T>(endpoint: string, params?: Record<string, string>) =>
     request<T>(endpoint, { method: 'GET', params }),
-
   post: <T>(endpoint: string, body?: any) =>
     request<T>(endpoint, { method: 'POST', body: body !== undefined ? JSON.stringify(body) : undefined }),
-
   put: <T>(endpoint: string, body?: any) =>
     request<T>(endpoint, { method: 'PUT', body: body !== undefined ? JSON.stringify(body) : undefined }),
-
   patch: <T>(endpoint: string, body?: any) =>
     request<T>(endpoint, { method: 'PATCH', body: body !== undefined ? JSON.stringify(body) : undefined }),
-
   delete: <T>(endpoint: string) =>
     request<T>(endpoint, { method: 'DELETE' }),
-
   downloadFile: (endpoint: string, filename: string) =>
     downloadFile(endpoint, filename)
-};
+};

frontend-client/src/routes/login/+page.svelte

@@ -7,7 +7,7 @@
 
   let email = '';
   let password = '';
-  let tenantSlug = 'aduanasoft-demo';
+  let tenantSlug = 'ventas';
   let totpCode = '';
   let isLoading = false;
   let showTwoFactor = false;
@@ -34,7 +34,7 @@
       await auth.login({
         email,
         password,
-        tenant_slug: tenantSlug.trim() || 'aduanasoft-demo',
+        tenant_slug: tenantSlug.trim() || 'ventas',
         totp_code: totpCode || undefined
       });
 
@@ -125,7 +125,7 @@
           <div
             class="p-3 rounded-md bg-red-50 border border-red-100 flex items-center gap-3 animate-fade-in text-sm text-red-600"
           >
-            <Icon name="alert-circle" class="w-4 h-4 flex-shrink-0" />
+            <Icon name="alert-circle" className="w-4 h-4 flex-shrink-0" />
             {errorMessage}
           </div>
         {/if}
@@ -141,7 +141,7 @@
                 <div class="absolute inset-y-0 left-0 pl-3 flex items-center pointer-events-none">
                   <Icon
                     name="mail"
-                    class="w-5 h-5 text-gray-400 group-focus-within:text-blue-600 transition-colors"
+                    className="w-5 h-5 text-gray-400 group-focus-within:text-blue-600 transition-colors"
                   />
                 </div>
                 <input
@@ -166,7 +166,7 @@
                 <div class="absolute inset-y-0 left-0 pl-3 flex items-center pointer-events-none">
                   <Icon
                     name="lock"
-                    class="w-5 h-5 text-gray-400 group-focus-within:text-blue-600 transition-colors"
+                    className="w-5 h-5 text-gray-400 group-focus-within:text-blue-600 transition-colors"
                   />
                 </div>
                 {#if showPassword}
@@ -197,7 +197,7 @@
                   class="absolute inset-y-0 right-0 pr-3 flex items-center cursor-pointer text-gray-400 hover:text-gray-600 focus:outline-none"
                   on:click={() => (showPassword = !showPassword)}
                 >
-                  <Icon name={showPassword ? 'eye-off' : 'eye'} class="w-5 h-5" />
+                  <Icon name={showPassword ? 'eye-off' : 'eye'} className="w-5 h-5" />
                 </button>
               </div>
             </div>
@@ -221,7 +221,7 @@
                 class="text-sm font-medium text-blue-600 hover:text-blue-500 bg-transparent border-none p-0 cursor-pointer"
                 on:click={() => goto('/forgot-password')}
               >
-                Olvide mi clave
+                Olvidé mi clave
               </button>
             </div>
           </div>
@@ -235,7 +235,7 @@
 
             <div class="relative">
               <div class="absolute inset-y-0 left-0 pl-3 flex items-center pointer-events-none">
-                <Icon name="shield-check" class="w-5 h-5 text-blue-500" />
+                <Icon name="shield-check" className="w-5 h-5 text-blue-500" />
               </div>
               <input
                 id="code"
@@ -259,7 +259,7 @@
             disabled={isLoading}
           >
             {#if isLoading}
-              <Icon name="loader-2" class="w-5 h-5 animate-spin mr-2" />
+              <Icon name="loader-2" className="w-5 h-5 animate-spin mr-2" />
               Procesando...
             {:else}
               {showTwoFactor ? 'Verificar Acceso' : 'Acceder al Portal'}

frontend-client/src/routes/tickets/[id]/+page.svelte

@@ -5,6 +5,7 @@
   import { tickets } from '$lib/stores/tickets.js';
   import { toast } from '$lib/stores/toast.js';
   import { goto } from '$app/navigation';
+  import IssueModal from '$lib/components/IssueModal.svelte';
 
   let ticketId: string;
   let newComment = '';
@@ -14,55 +15,38 @@
   let closeResolution = '';
   let fileInput: HTMLInputElement;
   let isUploading = false;
+  let showAttachments = true;
+  let showIssueModal = false;
   let pollingInterval: any = null;
-  let showAttachments = true; // Variable para controlar la visibilidad de attachments
 
   async function loadComments() {
     try {
       await tickets.reloadComments(ticketId);
     } catch (error) {
-      // No mostrar error en polling silencioso
       console.error('Error recargando comentarios:', error);
     }
   }
 
   onMount(() => {
-    // Redirect if not authenticated
     if (!$auth.isAuthenticated) {
       goto('/login');
       return;
     }
-
     ticketId = $page.params.id;
     if (ticketId) {
       tickets.loadTicket(ticketId);
-
-      // Polling cada 3 segundos
-      pollingInterval = setInterval(() => {
-        loadComments();
-      }, 3000);
+      pollingInterval = setInterval(() => { loadComments(); }, 3000);
     }
-
-    // Cleanup cuando se desmonte el componente
-    return () => {
-      if (pollingInterval) {
-        clearInterval(pollingInterval);
-      }
-    };
+    return () => { if (pollingInterval) clearInterval(pollingInterval); };
   });
 
-  // Format date
   function formatDate(dateString: string): string {
     return new Date(dateString).toLocaleString('es-ES', {
-      day: '2-digit',
-      month: '2-digit',
-      year: 'numeric',
-      hour: '2-digit',
-      minute: '2-digit'
+      day: '2-digit', month: '2-digit', year: 'numeric',
+      hour: '2-digit', minute: '2-digit'
     });
   }
 
-  // Status mapping
   const statusConfig: Record<string, { label: string; class: string }> = {
     NEW: { label: 'Nuevo', class: 'badge-new' },
     IN_PROGRESS: { label: 'En Progreso', class: 'badge-in-progress' },
@@ -74,7 +58,6 @@
   };
   const fallbackStatus = { label: 'Desconocido', class: 'badge-new' };
 
-  // Priority mapping
   const priorityConfig: Record<string, { label: string; class: string }> = {
     LOW: { label: 'Baja', class: 'badge-priority-low' },
     MEDIUM: { label: 'Media', class: 'badge-priority-medium' },
@@ -85,7 +68,6 @@
 
   async function handleAddComment() {
     if (!newComment.trim()) return;
-
     isSubmittingComment = true;
     try {
       await tickets.addComment(ticketId, newComment.trim());
@@ -102,34 +84,23 @@
     const target = event.target as HTMLInputElement;
     const file = target.files?.[0];
     if (!file) return;
-
-    // Validate file size (max 10MB)
     if (file.size > 10 * 1024 * 1024) {
       toast.error('El archivo es demasiado grande. Máximo 10MB');
       target.value = '';
       return;
     }
-
-    // Validate file type
     const allowedTypes = [
-      'image/jpeg',
-      'image/png',
-      'image/gif',
-      'image/webp',
-      'application/pdf',
-      'text/plain',
-      'application/msword',
+      'image/jpeg','image/png','image/gif','image/webp','application/pdf',
+      'text/plain','application/msword',
       'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
       'application/vnd.ms-excel',
       'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'
     ];
-
     if (!allowedTypes.includes(file.type)) {
       toast.error('Tipo de archivo no permitido');
       target.value = '';
       return;
     }
-
     isUploading = true;
     try {
       await tickets.uploadAttachment(ticketId, file);
@@ -147,14 +118,11 @@
       await tickets.downloadAttachment(ticketId, attachment.id, attachment.original_filename);
       toast.success('Descarga iniciada');
     } catch (error: any) {
-      console.error('Download error:', error);
       toast.error(error.message || 'Error al descargar el archivo');
     }
   }
 
-  function handleCloseTicket() {
-    showCloseDialog = true;
-  }
+  function handleCloseTicket() { showCloseDialog = true; }
 
   async function confirmCloseTicket() {
     isClosingTicket = true;
@@ -175,7 +143,6 @@
     closeResolution = '';
   }
 
-  // Check if user can close ticket
   $: canClose =
     $tickets.currentTicket &&
     ['RESOLVED', 'WAITING_CUSTOMER'].includes($tickets.currentTicket.status);
@@ -195,16 +162,6 @@
     </div>
   {:else if $tickets.error}
     <div class="text-center py-12">
-      <div class="w-12 h-12 bg-red-100 rounded-lg flex items-center justify-center mx-auto mb-4">
-        <svg class="w-6 h-6 text-red-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-          <path
-            stroke-linecap="round"
-            stroke-linejoin="round"
-            stroke-width="2"
-            d="M12 8v4m0 4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"
-          />
-        </svg>
-      </div>
       <h3 class="text-lg font-medium text-gray-900 mb-2">Error al cargar ticket</h3>
       <p class="text-gray-600 mb-4">{$tickets.error}</p>
       <button on:click={() => tickets.loadTicket(ticketId)} class="btn-primary px-4 py-2">
@@ -244,32 +201,19 @@
                   </span>
                 </div>
               </div>
-
               {#if canClose}
-                <button
-                  on:click={handleCloseTicket}
-                  class="btn-success px-4 py-2"
-                  disabled={isClosingTicket}
-                >
+                <button on:click={handleCloseTicket} class="btn-success px-4 py-2" disabled={isClosingTicket}>
                   Cerrar Ticket
                 </button>
               {/if}
             </div>
           </div>
-
           <div class="card-content">
-            <div class="prose max-w-none">
-              <p class="whitespace-pre-wrap text-gray-700">
-                {$tickets.currentTicket.description}
-              </p>
-            </div>
-
+            <p class="whitespace-pre-wrap text-gray-700">{$tickets.currentTicket.description}</p>
             {#if $tickets.currentTicket.resolution}
               <div class="mt-6 p-4 bg-green-50 border border-green-200 rounded-lg">
                 <h4 class="font-medium text-green-900 mb-2">Resolución:</h4>
-                <p class="text-green-800 whitespace-pre-wrap">
-                  {$tickets.currentTicket.resolution}
-                </p>
+                <p class="text-green-800 whitespace-pre-wrap">{$tickets.currentTicket.resolution}</p>
               </div>
             {/if}
           </div>
@@ -282,74 +226,34 @@
               <div class="flex items-center justify-between">
                 <h3 class="text-lg font-semibold text-gray-900 flex items-center space-x-2">
                   <span>Archivos Adjuntos</span>
-                  <span
-                    class="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-blue-100 text-blue-800"
-                  >
-                    {$tickets.attachments.length} archivo{$tickets.attachments.length !== 1
-                      ? 's'
-                      : ''}
+                  <span class="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-blue-100 text-blue-800">
+                    {$tickets.attachments.length}
                   </span>
                 </h3>
-                <button
-                  class="text-sm text-gray-500 hover:text-gray-700"
-                  title="Ver/Ocultar archivos adjuntos"
-                  on:click={() => (showAttachments = !showAttachments)}
-                >
+                <button class="text-sm text-gray-500 hover:text-gray-700"
+                  on:click={() => (showAttachments = !showAttachments)}>
                   {showAttachments ? 'Ocultar' : 'Ver'} archivos
                 </button>
               </div>
             </div>
             {#if showAttachments}
-              <div class="card-content">
-                <div class="space-y-3">
-                  {#each $tickets.attachments as attachment}
-                    <div
-                      class="flex items-center justify-between p-3 bg-gray-50 rounded-lg hover:bg-gray-100 transition-colors"
-                    >
-                      <div class="flex items-center space-x-3">
-                        <div class="w-8 h-8 bg-gray-200 rounded flex items-center justify-center">
-                          <svg
-                            class="w-4 h-4 text-gray-600"
-                            fill="none"
-                            stroke="currentColor"
-                            viewBox="0 0 24 24"
-                          >
-                            <path
-                              stroke-linecap="round"
-                              stroke-linejoin="round"
-                              stroke-width="2"
-                              d="M15.172 7l-6.586 6.586a2 2 0 102.828 2.828l6.414-6.586a4 4 0 00-5.656-5.656l-6.415 6.585a6 6 0 108.486 8.486L20.5 13"
-                            />
-                          </svg>
-                        </div>
-                        <div>
-                          <p class="text-sm font-medium text-gray-900">
-                            {attachment.original_filename}
-                          </p>
-                          <p class="text-xs text-gray-500">
-                            {Math.round(attachment.size_bytes / 1024)} KB • Subido por {attachment.uploaded_by_name}
-                            •
-                            {formatDate(attachment.uploaded_at)}
-                          </p>
-                        </div>
-                      </div>
-                      <button
-                        on:click={() => handleDownloadAttachment(attachment)}
-                        class="btn-ghost p-2 hover:bg-blue-100 rounded-md transition-colors"
-                        title="Descargar archivo"
-                      >
-                        <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                          <path
-                            stroke-linecap="round"
-                            stroke-linejoin="round"
-                            stroke-width="2"
-                            d="M12 10v6m0 0l-3-3m3 3l3-3m2 8H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z"
-                          />
-                        </svg>
-                      </button>
+              <div class="card-content space-y-3">
+                {#each $tickets.attachments as attachment}
+                  <div class="flex items-center justify-between p-3 bg-gray-50 rounded-lg hover:bg-gray-100">
+                    <div>
+                      <p class="text-sm font-medium text-gray-900">{attachment.original_filename}</p>
+                      <p class="text-xs text-gray-500">
+                        {Math.round(attachment.size_bytes / 1024)} KB • {attachment.uploaded_by_name}
+                      </p>
                     </div>
-                  {/each}
-                </div>
+                    <button on:click={() => handleDownloadAttachment(attachment)} class="btn-ghost p-2">
+                      <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
+                          d="M12 10v6m0 0l-3-3m3 3l3-3m2 8H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z" />
+                      </svg>
+                    </button>
+                  </div>
+                {/each}
               </div>
             {/if}
           </div>
@@ -362,107 +266,69 @@
           </div>
           <div class="card-content">
             {#if $tickets.comments.length === 0}
-              <p class="text-gray-500 text-center py-4">
-                No hay comentarios aún. ¡Sé el primero en comentar!
-              </p>
+              <p class="text-gray-500 text-center py-4">No hay comentarios aún.</p>
             {:else}
               <div class="space-y-4">
                 {#each $tickets.comments as comment}
-                  {console.log('Comment:', comment)}
                   <div class="flex space-x-3">
-                    <div
-                      class="w-8 h-8 bg-primary-100 rounded-full flex items-center justify-center flex-shrink-0"
-                    >
+                    <div class="w-8 h-8 bg-primary-100 rounded-full flex items-center justify-center flex-shrink-0">
                       <span class="text-primary-600 text-xs font-medium">
-                        {comment.author_name
-                          ? comment.author_name
-                              .split(' ')
-                              .map(n => n[0])
-                              .join('')
-                          : '??'}
+                        {comment.author_name?.split(' ').map(n => n[0]).join('') ?? '??'}
                       </span>
                     </div>
                     <div class="flex-1 min-w-0">
                       <div class="flex items-center space-x-2 mb-1">
-                        <span class="text-sm font-medium text-gray-900">
-                          {comment.author_name}
-                        </span>
-                        <span class="text-xs text-gray-500">
-                          {formatDate(comment.created_at)}
-                        </span>
+                        <span class="text-sm font-medium text-gray-900">{comment.author_name}</span>
+                        <span class="text-xs text-gray-500">{formatDate(comment.created_at)}</span>
                         {#if comment.is_internal}
-                          <span class="bg-red-100 text-red-700 text-xs px-2 py-0.5 rounded">
-                            Interno
-                          </span>
+                          <span class="bg-red-100 text-red-700 text-xs px-2 py-0.5 rounded">Interno</span>
                         {/if}
                       </div>
-                      <p class="text-gray-700 whitespace-pre-wrap">
-                        {comment.content}
-                      </p>
+                      <p class="text-gray-700 whitespace-pre-wrap">{comment.content}</p>
                     </div>
                   </div>
                 {/each}
               </div>
             {/if}
 
-            <!-- Add Comment Form -->
-            <div class="mt-6 pt-6 border-t border-gray-200">
-              <div class="space-y-4">
-                <textarea
-                  rows="4"
-                  class="form-input"
-                  placeholder="Escribe tu comentario o respuesta..."
-                  bind:value={newComment}
-                  disabled={isSubmittingComment}
-                />
-
-                <div class="flex justify-between items-center">
-                  <div class="flex items-center space-x-4">
-                    <input
-                      type="file"
-                      bind:this={fileInput}
-                      on:change={handleFileUpload}
-                      class="hidden"
-                      accept=".jpg,.jpeg,.png,.gif,.webp,.pdf,.txt,.doc,.docx,.xls,.xlsx"
-                      disabled={isUploading}
-                    />
-                    <button
-                      type="button"
-                      on:click={() => fileInput.click()}
-                      class="btn-ghost p-2 flex items-center space-x-2"
-                      disabled={isUploading}
-                    >
-                      {#if isUploading}
-                        <div class="spinner w-4 h-4" />
-                      {:else}
-                        <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                          <path
-                            stroke-linecap="round"
-                            stroke-linejoin="round"
-                            stroke-width="2"
-                            d="M15.172 7l-6.586 6.586a2 2 0 102.828 2.828l6.414-6.586a4 4 0 00-5.656-5.656l-6.415 6.585a6 6 0 108.486 8.486L20.5 13"
-                          />
-                        </svg>
-                      {/if}
-                      <span class="text-sm">Adjuntar archivo</span>
-                    </button>
-                  </div>
-
-                  <button
-                    on:click={handleAddComment}
-                    class="btn-primary px-4 py-2"
-                    disabled={isSubmittingComment || !newComment.trim()}
-                  >
-                    {#if isSubmittingComment}
-                      <div class="flex items-center space-x-2">
-                        <div class="spinner w-4 h-4" />
-                        <span>Enviando...</span>
-                      </div>
+            <div class="mt-6 pt-6 border-t border-gray-200 space-y-4">
+              <textarea
+                rows="4"
+                class="form-input"
+                placeholder="Escribe tu comentario..."
+                bind:value={newComment}
+                disabled={isSubmittingComment}
+              />
+              <div class="flex justify-between items-center">
+                <div>
+                  <input type="file" bind:this={fileInput} on:change={handleFileUpload}
+                    class="hidden"
+                    accept=".jpg,.jpeg,.png,.gif,.webp,.pdf,.txt,.doc,.docx,.xls,.xlsx"
+                    disabled={isUploading} />
+                  <button type="button" on:click={() => fileInput.click()}
+                    class="btn-ghost p-2 flex items-center space-x-2" disabled={isUploading}>
+                    {#if isUploading}
+                      <div class="spinner w-4 h-4" />
                     {:else}
-                      Enviar Comentario
+                      <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
+                          d="M15.172 7l-6.586 6.586a2 2 0 102.828 2.828l6.414-6.586a4 4 0 00-5.656-5.656l-6.415 6.585a6 6 0 108.486 8.486L20.5 13" />
+                      </svg>
                     {/if}
+                    <span class="text-sm">Adjuntar</span>
                   </button>
                 </div>
+                <button on:click={handleAddComment} class="btn-primary px-4 py-2"
+                  disabled={isSubmittingComment || !newComment.trim()}>
+                  {#if isSubmittingComment}
+                    <div class="flex items-center space-x-2">
+                      <div class="spinner w-4 h-4" />
+                      <span>Enviando...</span>
+                    </div>
+                  {:else}
+                    Enviar
+                  {/if}
+                </button>
               </div>
             </div>
           </div>
@@ -479,40 +345,30 @@
           <div class="card-content space-y-4">
             <div>
               <dt class="text-sm font-medium text-gray-500">ID del Ticket</dt>
-              <dd class="text-sm text-gray-900 font-mono">
-                #{$tickets.currentTicket.id.substring(0, 8)}
-              </dd>
+              <dd class="text-sm text-gray-900 font-mono">#{$tickets.currentTicket.id.substring(0, 8)}</dd>
             </div>
-
             <div>
               <dt class="text-sm font-medium text-gray-500">Categoría</dt>
-              <dd class="text-sm text-gray-900">
-                {$tickets.currentTicket.category_name || 'Sin categoría'}
-              </dd>
+              <dd class="text-sm text-gray-900">{$tickets.currentTicket.category_name || 'Sin categoría'}</dd>
             </div>
-
             {#if $tickets.currentTicket.assigned_to_name}
               <div>
                 <dt class="text-sm font-medium text-gray-500">Asignado a</dt>
                 <dd class="text-sm text-gray-900">{$tickets.currentTicket.assigned_to_name}</dd>
               </div>
             {/if}
-
             <div>
               <dt class="text-sm font-medium text-gray-500">Creado</dt>
               <dd class="text-sm text-gray-900">{formatDate($tickets.currentTicket.created_at)}</dd>
             </div>
-
             <div>
               <dt class="text-sm font-medium text-gray-500">Última actualización</dt>
               <dd class="text-sm text-gray-900">{formatDate($tickets.currentTicket.updated_at)}</dd>
             </div>
 
-            <!-- SLA -->
             {#if $tickets.currentTicket.sla_response_due || $tickets.currentTicket.sla_resolution_due}
               <div class="pt-3 border-t border-gray-100">
                 <dt class="text-sm font-medium text-gray-500 mb-2">Tiempos de SLA</dt>
-
                 {#if $tickets.currentTicket.sla_response_due}
                   {@const respDue = new Date($tickets.currentTicket.sla_response_due)}
                   {@const respVencido = respDue < new Date() && !$tickets.currentTicket.first_response_at}
@@ -528,7 +384,6 @@
                     </dd>
                   </div>
                 {/if}
-
                 {#if $tickets.currentTicket.sla_resolution_due}
                   {@const resDue = new Date($tickets.currentTicket.sla_resolution_due)}
                   {@const resVencido = resDue < new Date() && !$tickets.currentTicket.resolved_at}
@@ -546,119 +401,81 @@
                 {/if}
               </div>
             {/if}
-
-            {#if $tickets.currentTicket.due_date}
-              <div>
-                <dt class="text-sm font-medium text-gray-500">Fecha límite</dt>
-                <dd
-                  class="text-sm text-gray-900 {new Date($tickets.currentTicket.due_date) <
-                  new Date()
-                    ? 'text-red-600'
-                    : ''}"
-                >
-                  {formatDate($tickets.currentTicket.due_date)}
-                  {#if new Date($tickets.currentTicket.due_date) < new Date()}
-                    <span class="block text-xs text-red-500">¡Vencido!</span>
-                  {/if}
-                </dd>
-              </div>
-            {/if}
           </div>
         </div>
+
+        <!-- Asuntos -->
+        <div class="card">
+          <div class="card-header flex justify-between items-center">
+            <h3 class="text-lg font-semibold text-gray-900">
+              Asuntos
+              {#if $tickets.issues.length > 0}
+                <span class="text-gray-400 font-normal text-sm ml-1">({$tickets.issues.length})</span>
+              {/if}
+            </h3>
+            <button type="button" on:click={() => showIssueModal = true}
+              class="text-sm text-blue-600 hover:text-blue-700 font-medium">
+              + Crear
+            </button>
+          </div>
+          {#if $tickets.issues.length > 0}
+            <div class="divide-y divide-gray-100">
+              {#each $tickets.issues as issue}
+                <div class="card-content py-3">
+                  <p class="text-sm text-gray-700">{issue.content}</p>
+                  <span class="text-xs text-gray-400 mt-1 block">{issue.priority} · {issue.created_by_name}</span>
+                </div>
+              {/each}
+            </div>
+          {:else}
+            <div class="card-content">
+              <p class="text-sm text-gray-500">No hay asuntos creados.</p>
+            </div>
+          {/if}
+        </div>
       </div>
     </div>
   {/if}
 </div>
 
+<!-- Issue Modal -->
+{#if showIssueModal && $tickets.currentTicket}
+  <IssueModal
+    ticketId={$tickets.currentTicket.id}
+    on:close={() => showIssueModal = false}
+    on:created={() => showIssueModal = false}
+  />
+{/if}
+
 <!-- Close Ticket Dialog -->
 {#if showCloseDialog}
   <div class="fixed inset-0 z-50 overflow-y-auto">
-    <div
-      class="flex items-center justify-center min-h-screen pt-4 px-4 pb-20 text-center sm:block sm:p-0"
-    >
-      <div
-        class="fixed inset-0 transition-opacity"
-        role="dialog"
-        tabindex="0"
+    <div class="flex items-center justify-center min-h-screen pt-4 px-4 pb-20">
+      <div class="fixed inset-0 bg-gray-500 opacity-75"
+        role="dialog" tabindex="0"
         on:click={cancelCloseTicket}
-        on:keydown={e => e.key === 'Escape' && cancelCloseTicket()}
-      >
-        <div class="absolute inset-0 bg-gray-500 opacity-75" />
-      </div>
-
-      <div
-        class="inline-block align-bottom bg-white rounded-lg text-left overflow-hidden shadow-xl transform transition-all sm:my-8 sm:align-middle sm:max-w-lg sm:w-full"
-      >
-        <div class="bg-white px-4 pt-5 pb-4 sm:p-6 sm:pb-4">
-          <div class="sm:flex sm:items-start">
-            <div
-              class="mx-auto flex-shrink-0 flex items-center justify-center h-12 w-12 rounded-full bg-green-100 sm:mx-0 sm:h-10 sm:w-10"
-            >
-              <svg
-                class="h-6 w-6 text-green-600"
-                fill="none"
-                stroke="currentColor"
-                viewBox="0 0 24 24"
-              >
-                <path
-                  stroke-linecap="round"
-                  stroke-linejoin="round"
-                  stroke-width="2"
-                  d="M5 13l4 4L19 7"
-                />
-              </svg>
-            </div>
-            <div class="mt-3 text-center sm:mt-0 sm:ml-4 sm:text-left">
-              <h3 class="text-lg leading-6 font-medium text-gray-900">Cerrar Ticket</h3>
-              <div class="mt-2">
-                <p class="text-sm text-gray-500">
-                  ¿Estás seguro de que quieres cerrar este ticket? Esta acción indica que el
-                  problema ha sido resuelto satisfactoriamente.
-                </p>
-              </div>
-
-              <div class="mt-4">
-                <label for="close-resolution" class="form-label">
-                  Comentario de cierre (opcional)
-                </label>
-                <textarea
-                  id="close-resolution"
-                  rows="3"
-                  class="form-input"
-                  placeholder="Describe cómo se resolvió el problema o agrega comentarios finales..."
-                  bind:value={closeResolution}
-                  disabled={isClosingTicket}
-                />
-              </div>
-            </div>
-          </div>
-        </div>
-        <div class="bg-gray-50 px-4 py-3 sm:px-6 sm:flex sm:flex-row-reverse">
-          <button
-            type="button"
-            class="w-full inline-flex justify-center btn-success px-4 py-2 sm:ml-3 sm:w-auto disabled:opacity-50"
-            disabled={isClosingTicket}
-            on:click={confirmCloseTicket}
-          >
+        on:keydown={e => e.key === 'Escape' && cancelCloseTicket()} />
+      <div class="relative bg-white rounded-lg shadow-xl sm:max-w-lg w-full z-10 p-6">
+        <h3 class="text-lg font-medium text-gray-900 mb-2">Cerrar Ticket</h3>
+        <p class="text-sm text-gray-500 mb-4">
+          ¿Estás seguro de que quieres cerrar este ticket?
+        </p>
+        <textarea rows="3" class="form-input w-full mb-4"
+          placeholder="Comentario de cierre (opcional)..."
+          bind:value={closeResolution} disabled={isClosingTicket} />
+        <div class="flex justify-end gap-3">
+          <button class="btn-secondary px-4 py-2" disabled={isClosingTicket} on:click={cancelCloseTicket}>
+            Cancelar
+          </button>
+          <button class="btn-success px-4 py-2 disabled:opacity-50" disabled={isClosingTicket} on:click={confirmCloseTicket}>
             {#if isClosingTicket}
-              <div class="flex items-center space-x-2">
-                <div class="spinner w-4 h-4" />
-                <span>Cerrando...</span>
-              </div>
+              <div class="flex items-center gap-2"><div class="spinner w-4 h-4" /><span>Cerrando...</span></div>
             {:else}
               Cerrar Ticket
             {/if}
           </button>
-          <button
-            type="button"
-            class="mt-3 w-full inline-flex justify-center btn-secondary px-4 py-2 sm:mt-0 sm:w-auto"
-            disabled={isClosingTicket}
-            on:click={cancelCloseTicket}
-          >
-            Cancelar
-          </button>
         </div>
       </div>
     </div>
   </div>
-{/if}
+{/if}

frontend-client/src/routes/usuarios/+page.svelte

@@ -0,0 +1,548 @@
+<script lang="ts">
+  import { onMount } from 'svelte';
+  import { auth } from '$lib/stores/auth.js';
+  import { toast } from '$lib/stores/toast.js';
+  import { goto } from '$app/navigation';
+
+  // ---- Tipos ----
+  interface User {
+    id: string;
+    email: string;
+    first_name: string;
+    last_name: string;
+    role: string;
+    is_active: boolean;
+    created_at: string;
+    tenant_id: string;
+    can_manage_users?: boolean;
+  }
+
+  // ---- Estado ----
+  let users: User[] = [];
+  let isLoading = true;
+  let showModal = false;
+  let showDeleteConfirm = false;
+  let modalMode: 'create' | 'edit' = 'create';
+  let selectedUser: User | null = null;
+  let searchQuery = '';
+  let filterRole = '';
+  let filterStatus = '';
+
+  let form = {
+    first_name: '',
+    last_name: '',
+    email: '',
+    password: '',
+    role: 'CLIENT_USER',
+    is_active: true,
+    can_manage_users: false
+  };
+
+  let isSaving = false;
+  let isDeleting = false;
+
+  // ---- Permisos ----
+  $: currentRole = $auth.user?.role ?? '';
+  $: isClientAdmin = currentRole === 'CLIENT_ADMIN';
+  $: canManageUsers = isClientAdmin;
+
+  // ---- Utilidades ----
+  function apiHeaders(): Record<string, string> {
+    const h: Record<string, string> = {
+      'X-App': 'client',
+      'X-Tenant-Slug': $auth.user?.tenant_slug || $auth.user?.tenant_id || '',
+    };
+    if ($auth.token) h['Authorization'] = `Bearer ${$auth.token}`;
+    return h;
+  }
+
+  // ---- Carga de usuarios ----
+  async function loadUsers() {
+    isLoading = true;
+    try {
+      const res = await fetch('/api/v1/users/', {
+        credentials: 'include',
+        headers: apiHeaders()
+      });
+      if (!res.ok) throw new Error((await res.json()).detail || 'Error al cargar usuarios');
+      users = await res.json();
+    } catch (e: any) {
+      toast.error(e.message);
+    } finally {
+      isLoading = false;
+    }
+  }
+
+  onMount(async () => {
+    if (!$auth.isAuthenticated) { goto('/login'); return; }
+    await loadUsers();
+  });
+
+  // ---- Filtros reactivos ----
+  $: filteredUsers = users.filter(u => {
+    const q = searchQuery.toLowerCase();
+    const matchSearch = !q ||
+      u.first_name?.toLowerCase().includes(q) ||
+      u.last_name?.toLowerCase().includes(q) ||
+      u.email?.toLowerCase().includes(q);
+    const matchRole = !filterRole || u.role === filterRole;
+    const matchStatus = filterStatus === '' ? true :
+      filterStatus === 'active' ? u.is_active : !u.is_active;
+    return matchSearch && matchRole && matchStatus;
+  });
+
+  // ---- Modal ----
+  function openCreate() {
+    modalMode = 'create';
+    form = { first_name: '', last_name: '', email: '', password: '', role: 'CLIENT_USER', is_active: true, can_manage_users: false };
+    showModal = true;
+  }
+
+  function openEdit(user: User) {
+    modalMode = 'edit';
+    selectedUser = user;
+    form = {
+      first_name: user.first_name || '',
+      last_name: user.last_name || '',
+      email: user.email,
+      password: '',
+      role: user.role,
+      is_active: user.is_active,
+      can_manage_users: user.can_manage_users || false
+    };
+    showModal = true;
+  }
+
+  function closeModal() {
+    showModal = false;
+    selectedUser = null;
+  }
+
+  // ---- CRUD ----
+  async function saveUser() {
+    isSaving = true;
+    try {
+      const payload: any = { ...form };
+      if (modalMode === 'edit' && !payload.password) delete payload.password;
+
+      const url = modalMode === 'create'
+        ? '/api/v1/users/'
+        : `/api/v1/users/${selectedUser?.id}`;
+      const method = modalMode === 'create' ? 'POST' : 'PUT';
+
+      const res = await fetch(url, {
+        method,
+        credentials: 'include',
+        headers: { ...apiHeaders(), 'Content-Type': 'application/json' },
+        body: JSON.stringify(payload)
+      });
+
+      if (!res.ok) throw new Error((await res.json()).detail || 'Error al guardar');
+      toast.success(modalMode === 'create' ? 'Usuario creado correctamente' : 'Usuario actualizado');
+      closeModal();
+      await loadUsers();
+    } catch (e: any) {
+      toast.error(e.message);
+    } finally {
+      isSaving = false;
+    }
+  }
+
+  async function toggleActive(user: User) {
+    try {
+      const endpoint = user.is_active
+        ? `/api/v1/users/${user.id}`
+        : `/api/v1/users/${user.id}/activate`;
+      const method = user.is_active ? 'DELETE' : 'PATCH';
+      const res = await fetch(endpoint, {
+        method,
+        credentials: 'include',
+        headers: apiHeaders()
+      });
+      if (!res.ok) throw new Error((await res.json()).detail || 'Error');
+      toast.success(user.is_active ? 'Usuario desactivado' : 'Usuario activado');
+      await loadUsers();
+    } catch (e: any) {
+      toast.error(e.message);
+    }
+  }
+
+  async function deleteUser() {
+    if (!selectedUser) return;
+    isDeleting = true;
+    try {
+      const res = await fetch(`/api/v1/users/${selectedUser.id}`, {
+        method: 'DELETE',
+        credentials: 'include',
+        headers: apiHeaders()
+      });
+      if (!res.ok) throw new Error((await res.json()).detail || 'Error al eliminar');
+      toast.success('Usuario eliminado');
+      showDeleteConfirm = false;
+      selectedUser = null;
+      await loadUsers();
+    } catch (e: any) {
+      toast.error(e.message);
+    } finally {
+      isDeleting = false;
+    }
+  }
+
+  function confirmDelete(user: User) {
+    selectedUser = user;
+    showDeleteConfirm = true;
+  }
+
+  // ---- Helpers visuales ----
+  function roleLabel(role: string): string {
+    return role === 'CLIENT_ADMIN' ? 'Administrador' : 'Usuario';
+  }
+
+  function roleBadgeClass(role: string): string {
+    return role === 'CLIENT_ADMIN'
+      ? 'bg-violet-100 text-violet-700 ring-1 ring-violet-200'
+      : 'bg-sky-50 text-sky-700 ring-1 ring-sky-200';
+  }
+
+  function initials(u: User): string {
+    const f = u.first_name?.[0] || '';
+    const l = u.last_name?.[0] || '';
+    return (f + l).toUpperCase() || u.email[0].toUpperCase();
+  }
+
+  function avatarColor(email: string): string {
+    const colors = [
+      'bg-rose-400', 'bg-orange-400', 'bg-amber-400',
+      'bg-emerald-400', 'bg-teal-400', 'bg-cyan-400',
+      'bg-blue-400', 'bg-violet-400', 'bg-pink-400'
+    ];
+    let hash = 0;
+    for (const c of email) hash = (hash << 5) - hash + c.charCodeAt(0);
+    return colors[Math.abs(hash) % colors.length];
+  }
+</script>
+
+<svelte:head>
+  <title>Usuarios - ServiceManager</title>
+</svelte:head>
+
+<div class="max-w-6xl mx-auto px-4 sm:px-6 lg:px-8 py-8">
+
+  <!-- Encabezado -->
+  <div class="flex flex-col sm:flex-row sm:items-center justify-between gap-4 mb-8">
+    <div>
+      <h1 class="text-2xl font-bold text-gray-900">Usuarios</h1>
+      <p class="text-sm text-gray-500 mt-1">
+        Miembros de tu organización· {users.length} en total
+      </p>
+    </div>
+    {#if isClientAdmin}
+      <button
+        type="button"
+        on:click={openCreate}
+        class="inline-flex items-center gap-2 px-4 py-2 bg-blue-600 text-white text-sm font-medium rounded-lg hover:bg-blue-700 transition-colors shadow-sm"
+      >
+        <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+          <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 4v16m8-8H4"/>
+        </svg>
+        Nuevo usuario
+      </button>
+    {/if}
+  </div>
+
+  <!-- Filtros -->
+  <div class="flex flex-col sm:flex-row gap-3 mb-6">
+    <div class="relative flex-1">
+      <svg class="absolute left-3 top-1/2 -translate-y-1/2 w-4 h-4 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z"/>
+      </svg>
+      <input
+        type="text"
+        placeholder="Buscar por nombre o email..."
+        bind:value={searchQuery}
+        class="w-full pl-9 pr-4 py-2 text-sm border border-gray-200 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-transparent bg-white"
+      />
+    </div>
+    <select bind:value={filterRole} class="text-sm border border-gray-200 rounded-lg px-3 py-2 bg-white focus:outline-none focus:ring-2 focus:ring-blue-500">
+      <option value="">Roles </option>
+      <option value="CLIENT_ADMIN">Administrador</option>
+      <option value="CLIENT_USER">Usuario</option>
+    </select>
+    <select bind:value={filterStatus} class="text-sm border border-gray-200 rounded-lg px-3 py-2 bg-white focus:outline-none focus:ring-2 focus:ring-blue-500">
+      <option value="">Estado </option>
+      <option value="active">Activos</option>
+      <option value="inactive">Inactivos</option>
+    </select>
+  </div>
+
+  <!-- Tabla -->
+  {#if isLoading}
+    <div class="flex items-center justify-center py-24">
+      <div class="animate-spin rounded-full h-8 w-8 border-b-2 border-blue-600"></div>
+    </div>
+
+  {:else if filteredUsers.length === 0}
+    <div class="text-center py-20 bg-white rounded-xl border border-gray-100">
+      <svg class="w-12 h-12 mx-auto text-gray-300 mb-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M17 20h5v-2a3 3 0 00-5.356-1.857M17 20H7m10 0v-2c0-.656-.126-1.283-.356-1.857M7 20H2v-2a3 3 0 015.356-1.857M7 20v-2c0-.656.126-1.283.356-1.857m0 0a5.002 5.002 0 019.288 0M15 7a3 3 0 11-6 0 3 3 0 016 0z"/>
+      </svg>
+      <p class="text-gray-500 font-medium">No se encontraron usuarios</p>
+      <p class="text-sm text-gray-400 mt-1">Intenta ajustar los filtros de búsqueda</p>
+    </div>
+
+  {:else}
+    <div class="bg-white rounded-xl border border-gray-100 shadow-sm overflow-hidden">
+      <table class="w-full text-sm">
+        <thead>
+          <tr class="border-b border-gray-100 bg-gray-50">
+            <th class="text-left px-6 py-3 text-xs font-semibold text-gray-500 uppercase tracking-wider">Usuario</th>
+            <th class="text-left px-6 py-3 text-xs font-semibold text-gray-500 uppercase tracking-wider">Rol</th>
+            <th class="text-left px-6 py-3 text-xs font-semibold text-gray-500 uppercase tracking-wider hidden sm:table-cell">Miembro desde</th>
+            <th class="text-left px-6 py-3 text-xs font-semibold text-gray-500 uppercase tracking-wider">Estado</th>
+            {#if canManageUsers}
+              <th class="px-6 py-3 text-xs font-semibold text-gray-500 uppercase tracking-wider text-right">Acciones</th>
+            {/if}
+          </tr>
+        </thead>
+        <tbody class="divide-y divide-gray-50">
+          {#each filteredUsers as user (user.id)}
+            <tr class="hover:bg-gray-50/50 transition-colors group">
+              <!-- Avatar + info -->
+              <td class="px-6 py-4">
+                <div class="flex items-center gap-3">
+                  <div class="w-9 h-9 rounded-full {avatarColor(user.email)} flex items-center justify-center text-white text-xs font-bold flex-shrink-0">
+                    {initials(user)}
+                  </div>
+                  <div class="min-w-0">
+                    <p class="font-medium text-gray-900 truncate">
+                      {user.first_name || ''} {user.last_name || ''}
+                      {#if user.id === $auth.user?.id}
+                        <span class="ml-1 text-xs text-gray-400">(tú)</span>
+                      {/if}
+                    </p>
+                    <p class="text-xs text-gray-400 truncate">{user.email}</p>
+                  </div>
+                </div>
+              </td>
+
+              <!-- Rol -->
+              <td class="px-6 py-4">
+                <span class="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium {roleBadgeClass(user.role)}">
+                  {roleLabel(user.role)}
+                </span>
+                {#if user.can_manage_users && user.role !== 'CLIENT_ADMIN'}
+                  <span class="ml-1 inline-flex items-center px-2 py-0.5 rounded-full text-xs font-medium bg-amber-50 text-amber-700 ring-1 ring-amber-200">
+                    Gestión
+                  </span>
+                {/if}
+              </td>
+
+              <!-- Fecha -->
+              <td class="px-6 py-4 text-gray-500 hidden sm:table-cell">
+                {user.created_at ? new Date(user.created_at).toLocaleDateString('es-MX', { year: 'numeric', month: 'short', day: 'numeric' }) : '—'}
+              </td>
+
+              <!-- Estado -->
+              <td class="px-6 py-4">
+                {#if user.is_active}
+                  <span class="inline-flex items-center gap-1.5 text-xs font-medium text-emerald-700">
+                    <span class="w-1.5 h-1.5 rounded-full bg-emerald-500"></span>
+                    Activo
+                  </span>
+                {:else}
+                  <span class="inline-flex items-center gap-1.5 text-xs font-medium text-gray-400">
+                    <span class="w-1.5 h-1.5 rounded-full bg-gray-300"></span>
+                    Inactivo
+                  </span>
+                {/if}
+              </td>
+
+              <!-- Acciones -->
+              {#if canManageUsers}
+                <td class="px-6 py-4">
+                  <div class="flex items-center justify-end gap-1 opacity-0 group-hover:opacity-100 transition-opacity">
+
+                    <!-- Editar -->
+                    <button
+                      type="button"
+                      on:click={() => openEdit(user)}
+                      class="p-1.5 rounded-lg text-gray-400 hover:text-blue-600 hover:bg-blue-50 transition-colors"
+                      title="Editar usuario"
+                    >
+                      <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M11 5H6a2 2 0 00-2 2v11a2 2 0 002 2h11a2 2 0 002-2v-5m-1.414-9.414a2 2 0 112.828 2.828L11.828 15H9v-2.828l8.586-8.586z"/>
+                      </svg>
+                    </button>
+
+                    <!-- Activar/Desactivar -->
+                    <button
+                      type="button"
+                      on:click={() => toggleActive(user)}
+                      class="p-1.5 rounded-lg transition-colors {user.is_active
+                        ? 'text-gray-400 hover:text-amber-600 hover:bg-amber-50'
+                        : 'text-gray-400 hover:text-emerald-600 hover:bg-emerald-50'}"
+                      title={user.is_active ? 'Desactivar' : 'Activar'}
+                      disabled={user.id === $auth.user?.id}
+                    >
+                      {#if user.is_active}
+                        <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                          <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M18.364 18.364A9 9 0 005.636 5.636m12.728 12.728A9 9 0 015.636 5.636m12.728 12.728L5.636 5.636"/>
+                        </svg>
+                      {:else}
+                        <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                          <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 12l2 2 4-4m6 2a9 9 0 11-18 0 9 9 0 0118 0z"/>
+                        </svg>
+                      {/if}
+                    </button>
+
+                    <!-- Eliminar (solo CLIENT_ADMIN) -->
+                    {#if isClientAdmin && user.id !== $auth.user?.id}
+                      <button
+                        type="button"
+                        on:click={() => confirmDelete(user)}
+                        class="p-1.5 rounded-lg text-gray-400 hover:text-rose-600 hover:bg-rose-50 transition-colors"
+                        title="Eliminar usuario"
+                      >
+                        <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                          <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16"/>
+                        </svg>
+                      </button>
+                    {/if}
+
+                  </div>
+                </td>
+              {/if}
+            </tr>
+          {/each}
+        </tbody>
+      </table>
+    </div>
+  {/if}
+</div>
+
+<!-- Modal crear/editar -->
+{#if showModal}
+  <div class="fixed inset-0 z-50 flex items-center justify-center p-4">
+    <div class="absolute inset-0 bg-black/40 backdrop-blur-sm" on:click={closeModal}></div>
+    <div class="relative bg-white rounded-2xl shadow-2xl w-full max-w-md p-6 z-10">
+
+      <div class="flex items-center justify-between mb-6">
+        <h2 class="text-lg font-semibold text-gray-900">
+          {modalMode === 'create' ? 'Nuevo usuario' : 'Editar usuario'}
+        </h2>
+        <button type="button" on:click={closeModal} class="p-1.5 rounded-lg hover:bg-gray-100 text-gray-400 transition-colors">
+          <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"/>
+          </svg>
+        </button>
+      </div>
+
+      <form on:submit|preventDefault={saveUser} class="space-y-4">
+
+        <div class="grid grid-cols-2 gap-4">
+          <div>
+            <label class="block text-sm font-medium text-gray-700 mb-1">Nombre</label>
+            <input type="text" bind:value={form.first_name} required
+              class="w-full text-sm border border-gray-200 rounded-lg px-3 py-2 focus:outline-none focus:ring-2 focus:ring-blue-500" />
+          </div>
+          <div>
+            <label class="block text-sm font-medium text-gray-700 mb-1">Apellido</label>
+            <input type="text" bind:value={form.last_name}
+              class="w-full text-sm border border-gray-200 rounded-lg px-3 py-2 focus:outline-none focus:ring-2 focus:ring-blue-500" />
+          </div>
+        </div>
+
+        <div>
+          <label class="block text-sm font-medium text-gray-700 mb-1">Email</label>
+          <input type="email" bind:value={form.email} required
+            class="w-full text-sm border border-gray-200 rounded-lg px-3 py-2 focus:outline-none focus:ring-2 focus:ring-blue-500" />
+        </div>
+
+        <div>
+          <label class="block text-sm font-medium text-gray-700 mb-1">
+            {modalMode === 'create' ? 'Contraseña' : 'Nueva contraseña (dejar vacío para no cambiar)'}
+          </label>
+          <input type="password" bind:value={form.password} required={modalMode === 'create'}
+            class="w-full text-sm border border-gray-200 rounded-lg px-3 py-2 focus:outline-none focus:ring-2 focus:ring-blue-500" />
+        </div>
+
+        <div>
+          <label class="block text-sm font-medium text-gray-700 mb-1">Rol</label>
+          <select bind:value={form.role}
+            class="w-full text-sm border border-gray-200 rounded-lg px-3 py-2 focus:outline-none focus:ring-2 focus:ring-blue-500 bg-white">
+            <option value="CLIENT_USER">Usuario</option>
+            <option value="CLIENT_ADMIN">Administrador</option>
+          </select>
+        </div>
+
+        <!-- Permiso de gestión (solo si el rol es CLIENT_USER) -->
+        {#if form.role === 'CLIENT_USER'}
+          <div class="flex items-start gap-3 p-3 bg-amber-50 rounded-lg border border-amber-100">
+            <input
+              type="checkbox"
+              id="can_manage_users"
+              bind:checked={form.can_manage_users}
+              class="mt-0.5 rounded border-gray-300 text-blue-600 focus:ring-blue-500"
+            />
+            <label for="can_manage_users" class="text-sm text-gray-700 cursor-pointer">
+              <span class="font-medium">Permitir gestión de usuarios</span>
+              <p class="text-xs text-gray-500 mt-0.5">Podrá crear y editar usuarios, pero no eliminarlos</p>
+            </label>
+          </div>
+        {/if}
+
+        {#if modalMode === 'edit'}
+          <div class="flex items-center gap-3 p-3 bg-gray-50 rounded-lg border border-gray-100">
+            <input
+              type="checkbox"
+              id="is_active"
+              bind:checked={form.is_active}
+              class="rounded border-gray-300 text-blue-600 focus:ring-blue-500"
+            />
+            <label for="is_active" class="text-sm font-medium text-gray-700 cursor-pointer">Usuario activo</label>
+          </div>
+        {/if}
+
+        <div class="flex justify-end gap-3 pt-2">
+          <button type="button" on:click={closeModal}
+            class="px-4 py-2 text-sm font-medium text-gray-700 bg-white border border-gray-200 rounded-lg hover:bg-gray-50 transition-colors">
+            Cancelar
+          </button>
+          <button type="submit" disabled={isSaving}
+            class="px-4 py-2 text-sm font-medium text-white bg-blue-600 rounded-lg hover:bg-blue-700 disabled:opacity-60 transition-colors">
+            {isSaving ? 'Guardando...' : modalMode === 'create' ? 'Crear usuario' : 'Guardar cambios'}
+          </button>
+        </div>
+
+      </form>
+    </div>
+  </div>
+{/if}
+
+<!-- Confirmacióclsn eliminar -->
+{#if showDeleteConfirm && selectedUser}
+  <div class="fixed inset-0 z-50 flex items-center justify-center p-4">
+    <div class="absolute inset-0 bg-black/40 backdrop-blur-sm" on:click={() => showDeleteConfirm = false}></div>
+    <div class="relative bg-white rounded-2xl shadow-2xl w-full max-w-sm p-6 z-10">
+      <div class="w-12 h-12 rounded-full bg-rose-100 flex items-center justify-center mx-auto mb-4">
+        <svg class="w-6 h-6 text-rose-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+          <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 9v2m0 4h.01m-6.938 4h13.856c1.54 0 2.502-1.667 1.732-2.5L13.732 4c-.77-.833-2.694-.833-3.464 0L3.34 16.5c-.77.833.192 2.5 1.732 2.5z"/>
+        </svg>
+      </div>
+      <h3 class="text-center font-semibold text-gray-900 mb-1">Eliminar usuario</h3>
+      <p class="text-center text-sm text-gray-500 mb-6">
+        ¿Seguro que quieres eliminar a <strong>{selectedUser.first_name} {selectedUser.last_name}</strong>? Esta acción no se puede deshacer.
+      </p>
+      <div class="flex gap-3">
+        <button type="button" on:click={() => showDeleteConfirm = false}
+          class="flex-1 px-4 py-2 text-sm font-medium text-gray-700 bg-white border border-gray-200 rounded-lg hover:bg-gray-50 transition-colors">
+          Cancelar
+        </button>
+        <button type="button" on:click={deleteUser} disabled={isDeleting}
+          class="flex-1 px-4 py-2 text-sm font-medium text-white bg-rose-600 rounded-lg hover:bg-rose-700 disabled:opacity-60 transition-colors">
+          {isDeleting ? 'Eliminando...' : 'Eliminar'}
+        </button>
+      </div>
+    </div>
+  </div>
+{/if}

frontend-client/vite.config.js

@@ -1,38 +1,35 @@
 import { sveltekit } from '@sveltejs/kit/vite';
 import { defineConfig } from 'vite';
-
 export default defineConfig({
-	plugins: [sveltekit()],
-	server: {
-		port: 3000,
-		host: '0.0.0.0',
-		watch: {
-			usePolling: true,
-			interval: 500
-		},
-		// HMR: el browser llega al contenedor en el mismo puerto 3000
-		hmr: {
-			host: 'localhost',
-			clientPort: parseInt(process.env.HMR_CLIENT_PORT || '3000')
-		},
-		// Permitir que Vite sirva archivos del filesystem del contenedor
-		fs: {
-			allow: ['/app', '.'],
-			strict: false
-		},
-		proxy: {
-			'/api': {
-				target: process.env.PUBLIC_API_URL || 'http://localhost:8000',
-				changeOrigin: true,
-				rewrite: (path) => path.replace(/^\/api/, '')
-			}
-		}
-	},
-	preview: {
-		port: 3000,
-		host: '0.0.0.0'
-	},
-	build: {
-		target: 'esnext'
-	}
-});
+        plugins: [sveltekit()],
+        server: {
+                port: 3000,
+                host: '0.0.0.0',
+                watch: {
+                        usePolling: true,
+                        interval: 500
+                },
+                hmr: {
+                        host: 'localhost',
+                        clientPort: parseInt(process.env.HMR_CLIENT_PORT || '3000')
+                },
+                fs: {
+                        allow: ['/app', '.'],
+                        strict: false
+                },
+                proxy: {
+                        '/api': {
+                                target: process.env.PUBLIC_API_URL || 'http://backend:8000',
+                                changeOrigin: true,
+                                rewrite: (path) => path.replace(/^\/api/, '')
+                        }
+                }
+        },
+        preview: {
+                port: 3000,
+                host: '0.0.0.0'
+        },
+        build: {
+                target: 'esnext'
+        }
+});

frontend-internal/src/lib/components/IssueModal.svelte

@@ -0,0 +1,230 @@
+<script lang="ts">
+  import { createEventDispatcher } from 'svelte';
+  import { api } from '$lib/utils/api';
+  import { toast } from '$lib/stores/toast';
+
+  export let ticketId: string;
+  export let users: any[] = [];
+
+  const dispatch = createEventDispatcher();
+
+  const PRIORITIES = [
+    { value: 'LOW', label: 'Baja' },
+    { value: 'MEDIUM', label: 'Media' },
+    { value: 'HIGH', label: 'Alta' },
+    { value: 'URGENT', label: 'Urgente' }
+  ];
+
+  let content = '';
+  let priority = 'MEDIUM';
+  let taggedUserIds: string[] = [];
+  let file: File | null = null;
+  let isSubmitting = false;
+  let fileInput: HTMLInputElement;
+
+  function toggleUser(userId: string) {
+    if (taggedUserIds.includes(userId)) {
+      taggedUserIds = taggedUserIds.filter(id => id !== userId);
+    } else {
+      taggedUserIds = [...taggedUserIds, userId];
+    }
+  }
+
+  function handleFileChange(e: Event) {
+    const input = e.target as HTMLInputElement;
+    file = input.files?.[0] ?? null;
+  }
+
+  async function handleSubmit() {
+    if (!content.trim()) {
+      toast.error('El contenido del asunto es obligatorio');
+      return;
+    }
+
+    isSubmitting = true;
+    try {
+      // Si hay archivo usamos FormData, si no JSON normal
+      if (file) {
+        const formData = new FormData();
+        formData.append('content', content.trim());
+        formData.append('priority', priority);
+        taggedUserIds.forEach(id => formData.append('tagged_user_ids', id));
+        formData.append('file', file);
+        await api.postForm(`/tickets/${ticketId}/issues`, formData);
+      } else {
+        await api.post(`/tickets/${ticketId}/issues`, {
+          content: content.trim(),
+          priority,
+          tagged_user_ids: taggedUserIds
+        });
+      }
+
+      toast.success('Asunto creado correctamente');
+      dispatch('created');
+      dispatch('close');
+    } catch (e) {
+      toast.error(e.message || 'Error al crear el asunto');
+    } finally {
+      isSubmitting = false;
+    }
+  }
+
+  function handleClose() {
+    dispatch('close');
+  }
+</script>
+
+<!-- Overlay -->
+<div class="fixed inset-0 z-50 overflow-y-auto">
+  <div class="flex min-h-full items-center justify-center p-4">
+    <!-- Backdrop -->
+    <div
+      class="fixed inset-0 bg-gray-500 bg-opacity-75 transition-opacity"
+      on:click={handleClose}
+      role="button"
+      tabindex="-1"
+      on:keydown={(e) => e.key === 'Escape' && handleClose()}
+    />
+
+    <!-- Modal -->
+    <div class="relative bg-white rounded-lg shadow-xl w-full max-w-lg z-10">
+      <!-- Header -->
+      <div class="flex items-center justify-between px-6 py-4 border-b border-gray-200">
+        <h3 class="text-lg font-semibold text-gray-900">Crear Asunto</h3>
+        <button
+          type="button"
+          on:click={handleClose}
+          class="text-gray-400 hover:text-gray-500"
+        >
+          <span class="sr-only">Cerrar</span>
+          <svg class="h-5 w-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12" />
+          </svg>
+        </button>
+      </div>
+
+      <!-- Body -->
+      <div class="px-6 py-5 space-y-5">
+
+        <!-- Contenido -->
+        <div>
+          <label class="block text-sm font-medium text-gray-700 mb-1">
+            Descripción del asunto <span class="text-red-500">*</span>
+          </label>
+          <textarea
+            rows="4"
+            bind:value={content}
+            disabled={isSubmitting}
+            placeholder="Describe el asunto de escalación..."
+            class="block w-full rounded-md border border-gray-300 shadow-sm
+                   focus:border-blue-500 focus:ring-blue-500 sm:text-sm p-2
+                   disabled:opacity-50"
+          />
+        </div>
+
+        <!-- Prioridad -->
+        <div>
+          <label class="block text-sm font-medium text-gray-700 mb-1">Prioridad</label>
+          <select
+            bind:value={priority}
+            disabled={isSubmitting}
+            class="block w-full rounded-md border border-gray-300 shadow-sm
+                   focus:border-blue-500 focus:ring-blue-500 sm:text-sm p-2
+                   disabled:opacity-50"
+          >
+            {#each PRIORITIES as p}
+              <option value={p.value}>{p.label}</option>
+            {/each}
+          </select>
+        </div>
+
+        <!-- Usuarios a etiquetar -->
+        {#if users.length > 0}
+          <div>
+            <label class="block text-sm font-medium text-gray-700 mb-2">
+              Etiquetar usuarios
+            </label>
+            <div class="max-h-40 overflow-y-auto border border-gray-200 rounded-md divide-y divide-gray-100">
+              {#each users as user}
+                <label class="flex items-center gap-3 px-3 py-2 hover:bg-gray-50 cursor-pointer">
+                  <input
+                    type="checkbox"
+                    checked={taggedUserIds.includes(user.id)}
+                    on:change={() => toggleUser(user.id)}
+                    disabled={isSubmitting}
+                    class="h-4 w-4 rounded border-gray-300 text-blue-600
+                           focus:ring-blue-500 disabled:opacity-50"
+                  />
+                  <div class="flex flex-col">
+                    <span class="text-sm font-medium text-gray-900">
+                      {user.first_name} {user.last_name}
+                    </span>
+                    <span class="text-xs text-gray-500">{user.email}</span>
+                  </div>
+                </label>
+              {/each}
+            </div>
+            {#if taggedUserIds.length > 0}
+              <p class="text-xs text-blue-600 mt-1">
+                {taggedUserIds.length} usuario{taggedUserIds.length > 1 ? 's' : ''} seleccionado{taggedUserIds.length > 1 ? 's' : ''}
+              </p>
+            {/if}
+          </div>
+        {/if}
+
+        <!-- Adjunto -->
+        <div>
+          <label class="block text-sm font-medium text-gray-700 mb-1">
+            Adjunto (opcional)
+          </label>
+          <input
+            bind:this={fileInput}
+            type="file"
+            on:change={handleFileChange}
+            disabled={isSubmitting}
+            class="block w-full text-sm text-gray-500
+                   file:mr-4 file:py-2 file:px-4 file:rounded-md
+                   file:border-0 file:text-sm file:font-medium
+                   file:bg-blue-50 file:text-blue-700
+                   hover:file:bg-blue-100 disabled:opacity-50"
+          />
+          {#if file}
+            <p class="text-xs text-gray-500 mt-1">{file.name}</p>
+          {/if}
+        </div>
+      </div>
+
+      <!-- Footer -->
+      <div class="flex justify-end gap-3 px-6 py-4 border-t border-gray-200">
+        <button
+          type="button"
+          on:click={handleClose}
+          disabled={isSubmitting}
+          class="px-4 py-2 text-sm font-medium text-gray-700 bg-white border
+                 border-gray-300 rounded-md shadow-sm hover:bg-gray-50
+                 disabled:opacity-50"
+        >
+          Cancelar
+        </button>
+        <button
+          type="button"
+          on:click={handleSubmit}
+          disabled={isSubmitting || !content.trim()}
+          class="px-4 py-2 text-sm font-medium text-white bg-blue-700 border
+                 border-transparent rounded-md shadow-sm hover:bg-blue-800
+                 focus:outline-none focus:ring-2 focus:ring-offset-2
+                 focus:ring-blue-500 disabled:opacity-50"
+        >
+          {#if isSubmitting}
+            <div class="flex items-center gap-2">
+              <div class="animate-spin rounded-full h-4 w-4 border-b-2 border-white" />
+              <span>Creando...</span>
+            </div>
+          {:else}
+            Crear Asunto
+          {/if}
+        </button>
+      </div>
+    </div>
+  </div>
+</div>

frontend-internal/src/lib/components/ParticipantsModal.svelte

@@ -0,0 +1,242 @@
+<script lang="ts">
+  import { createEventDispatcher, onMount } from 'svelte';
+  import { api } from '$lib/utils/api';
+  import { toast } from '$lib/stores/toast';
+  import { auth } from '$lib/stores/auth';
+
+  export let ticketId: string;
+  export let createdBy: string;
+
+  const dispatch = createEventDispatcher();
+
+  interface Participant {
+    id: string;
+    user_id: string;
+    ticket_id: string;
+    role: string;
+    user_email: string;
+    user_name: string;
+  }
+
+  interface User {
+    id: string;
+    email: string;
+    first_name: string;
+    last_name: string;
+    role: string;
+  }
+
+  let participants: Participant[] = [];
+  let allUsers: User[] = [];
+  let isLoading = true;
+  let isAdding = false;
+  let searchQuery = '';
+  let selectedUserId = '';
+
+  $: isCreator = $auth.user?.id === createdBy;
+  $: isGlobalAdmin = $auth.user?.role === 'ADMIN';
+  $: canManage = isCreator || isGlobalAdmin;
+
+  $: participantIds = new Set(participants.map(p => p.user_id));
+
+  $: filteredUsers = allUsers.filter(u => {
+    if (participantIds.has(u.id)) return false;
+    if (u.id === createdBy) return false;
+    const q = searchQuery.toLowerCase();
+    return !q ||
+      u.email.toLowerCase().includes(q) ||
+      `${u.first_name} ${u.last_name}`.toLowerCase().includes(q);
+  });
+
+  onMount(async () => {
+    await Promise.all([loadParticipants(), loadUsers()]);
+    isLoading = false;
+  });
+
+  async function loadParticipants() {
+    try {
+      participants = await api.get(`/tickets/${ticketId}/participants`);
+    } catch (e: any) {
+      toast.error('Error cargando participantes');
+    }
+  }
+
+  async function loadUsers() {
+    try {
+      allUsers = await api.get('/users/');
+    } catch (e: any) {
+      toast.error('Error cargando usuarios');
+    }
+  }
+
+  async function addParticipant(userId: string) {
+    if (!userId) return;
+    isAdding = true;
+    try {
+      const p = await api.post(`/tickets/${ticketId}/participants`, { user_id: userId });
+      participants = [...participants, p];
+      searchQuery = '';
+      toast.success('Participante agregado');
+    } catch (e: any) {
+      toast.error(e.message || 'Error al agregar participante');
+    } finally {
+      isAdding = false;
+    }
+  }
+
+  async function removeParticipant(userId: string) {
+    try {
+      await api.delete(`/tickets/${ticketId}/participants/${userId}`);
+      participants = participants.filter(p => p.user_id !== userId);
+      toast.success('Participante eliminado');
+    } catch (e: any) {
+      toast.error(e.message || 'Error al eliminar participante');
+    }
+  }
+
+  function avatarInitials(name: string, email: string): string {
+    if (name.trim()) {
+      const parts = name.trim().split(' ');
+      return (parts[0][0] + (parts[1]?.[0] || '')).toUpperCase();
+    }
+    return email[0].toUpperCase();
+  }
+
+  function avatarColor(email: string): string {
+    const colors = ['bg-blue-400', 'bg-violet-400', 'bg-emerald-400', 'bg-rose-400', 'bg-amber-400', 'bg-cyan-400'];
+    let hash = 0;
+    for (const c of email) hash = (hash << 5) - hash + c.charCodeAt(0);
+    return colors[Math.abs(hash) % colors.length];
+  }
+</script>
+
+<!-- Overlay -->
+<div class="fixed inset-0 z-50 flex items-center justify-center p-4">
+  <div class="absolute inset-0 bg-black/40 backdrop-blur-sm" on:click={() => dispatch('close')}></div>
+
+  <div class="relative bg-white rounded-2xl shadow-2xl w-full max-w-lg z-10 overflow-hidden">
+
+    <!-- Header -->
+    <div class="flex items-center justify-between px-6 py-4 border-b border-gray-100">
+      <div>
+        <h2 class="text-lg font-semibold text-gray-900">Participantes del asunto</h2>
+        <p class="text-xs text-gray-400 mt-0.5">{participants.length} persona{participants.length !== 1 ? 's' : ''} involucrada{participants.length !== 1 ? 's' : ''}</p>
+      </div>
+      <button type="button" on:click={() => dispatch('close')}
+        class="p-1.5 rounded-lg hover:bg-gray-100 text-gray-400 transition-colors">
+        <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+          <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"/>
+        </svg>
+      </button>
+    </div>
+
+    <div class="p-6 space-y-5 max-h-[70vh] overflow-y-auto">
+
+      <!-- Buscador para agregar -->
+      {#if canManage}
+        <div>
+          <label class="block text-sm font-medium text-gray-700 mb-2">Agregar persona</label>
+          <div class="relative">
+            <svg class="absolute left-3 top-1/2 -translate-y-1/2 w-4 h-4 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+              <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z"/>
+            </svg>
+            <input
+              type="text"
+              placeholder="Buscar por nombre o email..."
+              bind:value={searchQuery}
+              class="w-full pl-9 pr-4 py-2 text-sm border border-gray-200 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500"
+            />
+          </div>
+
+          <!-- Resultados de búsqueda -->
+          {#if searchQuery && filteredUsers.length > 0}
+            <div class="mt-2 border border-gray-200 rounded-lg overflow-hidden shadow-sm">
+              {#each filteredUsers.slice(0, 6) as user (user.id)}
+                <button
+                  type="button"
+                  on:click={() => addParticipant(user.id)}
+                  disabled={isAdding}
+                  class="w-full flex items-center gap-3 px-4 py-3 hover:bg-blue-50 transition-colors text-left border-b border-gray-100 last:border-0"
+                >
+                  <div class="w-8 h-8 rounded-full {avatarColor(user.email)} flex items-center justify-center text-white text-xs font-bold flex-shrink-0">
+                    {avatarInitials(`${user.first_name} ${user.last_name}`, user.email)}
+                  </div>
+                  <div class="min-w-0">
+                    <p class="text-sm font-medium text-gray-900 truncate">{user.first_name} {user.last_name}</p>
+                    <p class="text-xs text-gray-400 truncate">{user.email}</p>
+                  </div>
+                  <span class="ml-auto text-xs text-blue-600 font-medium flex-shrink-0">+ Agregar</span>
+                </button>
+              {/each}
+            </div>
+          {:else if searchQuery && filteredUsers.length === 0}
+            <p class="mt-2 text-sm text-gray-400 text-center py-2">No se encontraron usuarios disponibles</p>
+          {/if}
+        </div>
+      {/if}
+
+      <!-- Lista de participantes -->
+      <div>
+        <h3 class="text-sm font-medium text-gray-700 mb-3">
+          {canManage ? 'Participantes actuales' : 'Personas involucradas'}
+        </h3>
+
+        {#if isLoading}
+          <div class="flex justify-center py-6">
+            <div class="animate-spin rounded-full h-6 w-6 border-b-2 border-blue-600"></div>
+          </div>
+
+        {:else if participants.length === 0}
+          <div class="text-center py-8 bg-gray-50 rounded-lg border border-dashed border-gray-200">
+            <svg class="w-10 h-10 mx-auto text-gray-300 mb-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+              <path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M17 20h5v-2a3 3 0 00-5.356-1.857M17 20H7m10 0v-2c0-.656-.126-1.283-.356-1.857M7 20H2v-2a3 3 0 015.356-1.857M7 20v-2c0-.656.126-1.283.356-1.857m0 0a5.002 5.002 0 019.288 0M15 7a3 3 0 11-6 0 3 3 0 016 0z"/>
+            </svg>
+            <p class="text-sm text-gray-400">Aún no hay participantes</p>
+            {#if canManage}
+              <p class="text-xs text-gray-300 mt-1">Usa el buscador para agregar personas</p>
+            {/if}
+          </div>
+
+        {:else}
+          <div class="space-y-2">
+            {#each participants as p (p.id)}
+              <div class="flex items-center gap-3 p-3 bg-gray-50 rounded-lg group">
+                <div class="w-9 h-9 rounded-full {avatarColor(p.user_email)} flex items-center justify-center text-white text-xs font-bold flex-shrink-0">
+                  {avatarInitials(p.user_name, p.user_email)}
+                </div>
+                <div class="min-w-0 flex-1">
+                  <p class="text-sm font-medium text-gray-900 truncate">{p.user_name || p.user_email}</p>
+                  <p class="text-xs text-gray-400 truncate">{p.user_email}</p>
+                </div>
+                <span class="text-xs text-gray-400 bg-white px-2 py-0.5 rounded-full border border-gray-200">
+                  Participante
+                </span>
+                {#if canManage}
+                  <button
+                    type="button"
+                    on:click={() => removeParticipant(p.user_id)}
+                    class="p-1 rounded text-gray-300 hover:text-rose-500 hover:bg-rose-50 transition-colors opacity-0 group-hover:opacity-100"
+                    title="Quitar participante"
+                  >
+                    <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                      <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"/>
+                    </svg>
+                  </button>
+                {/if}
+              </div>
+            {/each}
+          </div>
+        {/if}
+      </div>
+    </div>
+
+    <!-- Footer -->
+    <div class="px-6 py-4 bg-gray-50 border-t border-gray-100 flex justify-end">
+      <button type="button" on:click={() => dispatch('close')}
+        class="px-4 py-2 text-sm font-medium text-gray-700 bg-white border border-gray-200 rounded-lg hover:bg-gray-50 transition-colors">
+        Cerrar
+      </button>
+    </div>
+
+  </div>
+</div>

frontend-internal/src/lib/stores/auth.ts

@@ -1,23 +1,22 @@
-import { writable } from 'svelte/store';
 import type { Writable } from 'svelte/store';
+import { writable } from 'svelte/store';
 
-// Types
-export interface InternalUser {
+export interface User {
   id: string;
   email: string;
   first_name: string;
   last_name: string;
-  role: 'ADMIN' | 'SUPPORT_MANAGER' | 'AGENT' | 'AUDITOR';
+  tenant_id: string;
+  tenant_slug: string;
+  role: 'CLIENT_ADMIN' | 'CLIENT_USER';
   is_active: boolean;
   is_two_factor_enabled: boolean;
   created_at: string;
-  tenant_id: string;
 }
 
 export interface AuthState {
-  user: InternalUser | null;
+  user: User | null;
   token: string | null;
-  refreshToken: string | null;
   isAuthenticated: boolean;
   isLoading: boolean;
 }
@@ -25,49 +24,31 @@ export interface AuthState {
 export interface LoginRequest {
   email: string;
   password: string;
-  tenant_slug: string;
+  tenant_slug?: string;
   totp_code?: string;
 }
 
 export interface LoginResponse {
   access_token: string;
-  refresh_token: string;
   token_type: string;
   expires_in: number;
-  user: InternalUser;
+  user: User;
 }
 
-export interface RefreshTokenRequest {
-  refresh_token: string;
-}
-
-export interface TokenResponse {
-  access_token: string;
-  token_type: string;
-  expires_in: number;
-}
-
-// Initial state
 const initialState: AuthState = {
   user: null,
   token: null,
-  refreshToken: null,
   isAuthenticated: false,
   isLoading: false
 };
 
-// Create auth store
 function createAuthStore() {
-  const { subscribe, set, update } = writable<AuthState>(initialState);
-
-  // Track current state for uso interno (evita dependencias circulares)
+  const { subscribe, set, update }: Writable<AuthState> = writable(initialState);
   let _state = initialState;
   subscribe(s => { _state = s; });
 
   return {
     subscribe,
-    
-    // Rehidrata sesión desde cookie HttpOnly (no toca localStorage)
     init: async () => {
       if (typeof window !== 'undefined') {
         try {
@@ -77,128 +58,56 @@ function createAuthStore() {
           });
           if (response.ok) {
             const user = await response.json();
-            set({
-              user,
-              token: null,
-              refreshToken: null,
-              isAuthenticated: true,
-              isLoading: false
-            });
+            set({ user, token: null, isAuthenticated: true, isLoading: false });
           }
-          // 401/400 es esperado cuando no hay sesión activa — no es un error
-        } catch (error) {
-          // Ignorar errores de red en init
-        }
+        } catch (error) { }
       }
     },
-
-    // Login
     login: async (credentials: LoginRequest): Promise<void> => {
       update(state => ({ ...state, isLoading: true }));
-      
       try {
         const response = await fetch('/api/v1/auth/login', {
           method: 'POST',
           credentials: 'include',
           headers: {
             'Content-Type': 'application/json',
+            'X-App': 'client',
           },
           body: JSON.stringify(credentials)
         });
-
         if (!response.ok) {
           const error = await response.json();
           throw new Error(error.detail || 'Login failed');
         }
-
         const data: LoginResponse = await response.json();
-
-        set({
-          user: data.user,
-          token: data.access_token,
-          refreshToken: data.refresh_token,
-          isAuthenticated: true,
-          isLoading: false
-        });
+        set({ user: data.user, token: data.access_token, isAuthenticated: true, isLoading: false });
       } catch (error) {
         update(state => ({ ...state, isLoading: false }));
         throw error;
       }
     },
-
-    // Refresh Session
-    refreshSession: async (): Promise<void> => {
-        const currentRefreshToken = _state.refreshToken;
-
-        if (!currentRefreshToken) {
-            throw new Error("No refresh token available");
-        }
-
-        update(state => ({ ...state, isLoading: true }));
-
-        try {
-            const response = await fetch('/api/v1/auth/refresh', {
-                method: 'POST',
-                credentials: 'include',
-                headers: {
-                    'Content-Type': 'application/json',
-                },
-                body: JSON.stringify({ refresh_token: currentRefreshToken })
-            });
-
-            if (!response.ok) {
-                 // If refresh fails, logout
-                 if (response.status === 401 || response.status === 403) {
-                     auth.logout();
-                 }
-                 const error = await response.json();
-                 throw new Error(error.detail || 'Refresh failed');
-            }
-
-            const data: TokenResponse = await response.json();
-
-            update(state => ({
-                ...state,
-                token: data.access_token,
-                isLoading: false
-            }));
-
-        } catch (error) {
-             update(state => ({ ...state, isLoading: false }));
-             throw error;
-        }
-    },
-
-    // Logout
     logout: async () => {
-      // Llamar al backend para que borre la cookie HttpOnly
       try {
+        const token = _state.token;
+        const slug = _state.user?.tenant_slug || _state.user?.tenant_id || '';
         await fetch('/api/v1/auth/logout', {
           method: 'POST',
           credentials: 'include',
-          headers: { 'X-App': 'internal' }
+          headers: {
+            'X-App': 'internal',
+            'X-Tenant-Slug': slug,
+            ...(token ? { 'Authorization': `Bearer ${token}` } : {})
+          }
         });
-      } catch { /* ignorar errores de red */ }
+      } catch { }
       set(initialState);
       if (typeof window !== 'undefined') {
         window.location.href = '/login';
       }
     },
-
-    // Update user data
-    updateUser: (user: InternalUser) => {
-      update(state => ({ ...state, user }));
-    },
-
-    // Set user from SSR pre-load (no fetch required)
-    setUser: (user: InternalUser) => {
-      set({ user, token: null, refreshToken: null, isAuthenticated: true, isLoading: false });
-    },
-
-    // Set loading state
-    setLoading: (isLoading: boolean) => {
-      update(state => ({ ...state, isLoading }));
-    }
+    updateUser: (user: User) => { update(state => ({ ...state, user })); },
+    setUser: (user: User) => { set({ user, token: null, isAuthenticated: true, isLoading: false }); },
+    setLoading: (isLoading: boolean) => { update(state => ({ ...state, isLoading })); }
   };
 }
 

frontend-internal/src/routes/login/+page.svelte

@@ -1,46 +1,46 @@
 <script lang="ts">
+  import { goto } from '$app/navigation';
+  import Icon from '$lib/components/Icon.svelte';
   import { auth } from '$lib/stores/auth.js';
   import { toast } from '$lib/stores/toast.js';
-  import { goto } from '$app/navigation';
   import { onMount } from 'svelte';
-  import Icon from '$lib/components/Icon.svelte';
-  
+
   let email = '';
   let password = '';
   let totpCode = '';
   let isLoading = false;
   let showTwoFactor = false;
   let errorMessage = '';
-  
+
   onMount(() => {
     // Redirect if already authenticated
     if ($auth.isAuthenticated) {
       goto('/');
     }
   });
-  
+
   async function handleLogin() {
     if (!email || !password) {
       errorMessage = 'Por favor completa todos los campos';
       return;
     }
-    
+
     isLoading = true;
     errorMessage = '';
-    
+
     try {
       await auth.login({
         email,
         password,
-        tenant_slug: 'aduanasoft-demo',
+        tenant_slug: 'aduanasoft',
         totp_code: totpCode || undefined
       });
-      
+
       toast.success('¡Bienvenido! Has iniciado sesión correctamente');
       goto('/');
     } catch (error: any) {
       console.error('Login error:', error);
-      
+
       // Check if 2FA is required
       if (error.message.includes('two-factor') || error.message.includes('2FA')) {
         showTwoFactor = true;
@@ -53,7 +53,7 @@
       isLoading = false;
     }
   }
-  
+
   function handleKeyDown(event: KeyboardEvent) {
     if (event.key === 'Enter') {
       handleLogin();
@@ -61,44 +61,50 @@
   }
 </script>
 
-
 <svelte:head>
   <title>Acceso Admin - ServiceManager</title>
 </svelte:head>
 
-<div class="min-h-screen flex items-center justify-center bg-gray-100 dark:bg-gray-950 p-4 font-sans">
-  <div class="w-full max-w-5xl grid grid-cols-1 md:grid-cols-2 bg-white dark:bg-gray-900 rounded-lg shadow-xl overflow-hidden border border-gray-200 dark:border-gray-800">
-    
+<div
+  class="min-h-screen flex items-center justify-center bg-gray-100 dark:bg-gray-950 p-4 font-sans"
+>
+  <div
+    class="w-full max-w-5xl grid grid-cols-1 md:grid-cols-2 bg-white dark:bg-gray-900 rounded-lg shadow-xl overflow-hidden border border-gray-200 dark:border-gray-800"
+  >
     <!-- Left Side: Internal Branding -->
-    <div class="hidden md:flex flex-col justify-between p-12 bg-gray-900 text-white relative overflow-hidden">
+    <div
+      class="hidden md:flex flex-col justify-between p-12 bg-gray-900 text-white relative overflow-hidden"
+    >
       <!-- Grid pattern overlay -->
-      <div class="absolute inset-0 opacity-10" style="background-image: radial-gradient(white 1px, transparent 1px); background-size: 30px 30px;"></div>
-      
+      <div
+        class="absolute inset-0 opacity-10"
+        style="background-image: radial-gradient(white 1px, transparent 1px); background-size: 30px 30px;"
+      />
+
       <div class="relative z-10">
         <div class="flex items-center space-x-3 mb-6">
-           <div class="p-2 bg-blue-500/20 rounded border border-blue-500/30">
-             <Icon name="server" class="w-6 h-6 text-blue-400" />
-           </div>
-           <span class="text-sm font-mono tracking-wider text-blue-400">INTERNAL_ACCESS_V2</span>
+          <div class="p-2 bg-blue-500/20 rounded border border-blue-500/30">
+            <Icon name="server" className="w-6 h-6 text-blue-400" />
+          </div>
+          <span class="text-sm font-mono tracking-wider text-blue-400">INTERNAL_ACCESS_V2</span>
         </div>
-        
-        <h1 class="text-3xl font-bold tracking-tight mb-4">
-          Panel de Administración
-        </h1>
+
+        <h1 class="text-3xl font-bold tracking-tight mb-4">Panel de Administración</h1>
         <p class="text-gray-400 text-sm leading-relaxed max-w-sm">
-          Plataforma de gestión de servicios, monitoreo de tickets y administración de usuarios. Acceso restringido únicamente a personal autorizado.
+          Plataforma de gestión de servicios, monitoreo de tickets y administración de usuarios.
+          Acceso restringido únicamente a personal autorizado.
         </p>
       </div>
 
       <div class="relative z-10 mt-12">
         <div class="space-y-3">
           <div class="flex items-center space-x-3 text-xs text-gray-400 font-mono">
-             <Icon name="check-circle" class="w-4 h-4 text-green-500" />
-             <span>System Status: Operational</span>
+            <Icon name="check-circle" className="w-4 h-4 text-green-500" />
+            <span>System Status: Operational</span>
           </div>
           <div class="flex items-center space-x-3 text-xs text-gray-400 font-mono">
-             <Icon name="shield" class="w-4 h-4 text-blue-500" />
-             <span>256-bit Encryption Enabled</span>
+            <Icon name="shield" className="w-4 h-4 text-blue-500" />
+            <span>256-bit Encryption Enabled</span>
           </div>
         </div>
       </div>
@@ -106,106 +112,129 @@
 
     <!-- Right Side: Login Form -->
     <div class="p-8 md:p-12 flex flex-col justify-center">
-       
-       <div class="max-w-sm mx-auto w-full">
-         <div class="mb-8">
-           <h2 class="text-2xl font-bold text-gray-900 dark:text-white mb-1">Iniciar Sesión</h2>
-           <p class="text-sm text-gray-500 dark:text-gray-400">Acceso al sistema central</p>
-         </div>
+      <div class="max-w-sm mx-auto w-full">
+        <div class="mb-8">
+          <h2 class="text-2xl font-bold text-gray-900 dark:text-white mb-1">Iniciar Sesión</h2>
+          <p class="text-sm text-gray-500 dark:text-gray-400">Acceso al sistema central</p>
+        </div>
 
-         <form on:submit|preventDefault={handleLogin} class="space-y-5">
-           {#if errorMessage}
-             <div class="p-3 rounded-md bg-red-50 dark:bg-red-900/10 border border-red-200 dark:border-red-900 flex items-start gap-3">
-               <Icon name="alert-triangle" class="w-5 h-5 text-red-600 dark:text-red-500 flex-shrink-0 mt-0.5" />
-               <p class="text-sm text-red-600 dark:text-red-500">{errorMessage}</p>
-             </div>
-           {/if}
+        <form on:submit|preventDefault={handleLogin} class="space-y-5">
+          {#if errorMessage}
+            <div
+              class="p-3 rounded-md bg-red-50 dark:bg-red-900/10 border border-red-200 dark:border-red-900 flex items-start gap-3"
+            >
+              <Icon
+                name="alert-triangle"
+                className="w-5 h-5 text-red-600 dark:text-red-500 flex-shrink-0 mt-0.5"
+              />
+              <p class="text-sm text-red-600 dark:text-red-500">{errorMessage}</p>
+            </div>
+          {/if}
 
-           {#if !showTwoFactor}
-             <div class="space-y-4">
-               <div>
-                 <label for="email" class="block text-xs font-semibold uppercase tracking-wider text-gray-500 dark:text-gray-400 mb-1">Usuario / Correo</label>
-                 <div class="relative group">
-                   <div class="absolute inset-y-0 left-0 pl-3 flex items-center pointer-events-none text-gray-400 group-focus-within:text-blue-500 transition-colors">
-                     <Icon name="user" class="w-5 h-5" />
-                   </div>
-                   <input
-                     id="email"
-                     type="email"
-                     bind:value={email}
-                     on:keydown={handleKeyDown}
-                     class="form-input w-full pl-10 py-2.5 bg-gray-50 dark:bg-gray-800 border-gray-300 dark:border-gray-700 rounded focus:ring-2 focus:ring-blue-500 focus:border-blue-500 transition-all font-mono text-sm"
-                     placeholder="admin@aduanasoft.com"
-                     required
-                     disabled={isLoading}
-                   />
-                 </div>
-               </div>
+          {#if !showTwoFactor}
+            <div class="space-y-4">
+              <div>
+                <label
+                  for="email"
+                  class="block text-xs font-semibold uppercase tracking-wider text-gray-500 dark:text-gray-400 mb-1"
+                  >Usuario / Correo</label
+                >
+                <div class="relative group">
+                  <div
+                    class="absolute inset-y-0 left-0 pl-3 flex items-center pointer-events-none text-gray-400 group-focus-within:text-blue-500 transition-colors"
+                  >
+                    <Icon name="user" className="w-5 h-5" />
+                  </div>
+                  <input
+                    id="email"
+                    type="email"
+                    bind:value={email}
+                    on:keydown={handleKeyDown}
+                    class="form-input w-full pl-10 py-2.5 bg-gray-50 dark:bg-gray-800 border-gray-300 dark:border-gray-700 rounded focus:ring-2 focus:ring-blue-500 focus:border-blue-500 transition-all font-mono text-sm"
+                    placeholder="admin@aduanasoft.com"
+                    required
+                    disabled={isLoading}
+                  />
+                </div>
+              </div>
 
-               <div>
-                 <label for="password" class="block text-xs font-semibold uppercase tracking-wider text-gray-500 dark:text-gray-400 mb-1">Clave de Acceso</label>
-                 <div class="relative group">
-                   <div class="absolute inset-y-0 left-0 pl-3 flex items-center pointer-events-none text-gray-400 group-focus-within:text-blue-500 transition-colors">
-                     <Icon name="lock" class="w-5 h-5" />
-                   </div>
-                   <input
-                     id="password"
-                     type="password"
-                     bind:value={password}
-                     on:keydown={handleKeyDown}
-                     class="form-input w-full pl-10 py-2.5 bg-gray-50 dark:bg-gray-800 border-gray-300 dark:border-gray-700 rounded focus:ring-2 focus:ring-blue-500 focus:border-blue-500 transition-all font-mono text-sm"
-                     placeholder="••••••••••••"
-                     required
-                     disabled={isLoading}
-                   />
-                 </div>
-               </div>
-             </div>
-           
-           {:else}
-             <!-- 2FA Input -->
-             <div class="bg-blue-50 dark:bg-blue-900/10 p-4 rounded-lg border border-blue-100 dark:border-blue-800/30">
-               <label for="code" class="block text-xs font-semibold uppercase tracking-wider text-blue-800 dark:text-blue-300 mb-2 text-center">Verificación de Seguridad</label>
-               <div class="relative">
-                 <input
-                   id="code"
-                   type="text"
-                   bind:value={totpCode}
-                   on:keydown={handleKeyDown}
-                   class="form-input w-full py-3 rounded border-blue-300 dark:border-blue-700 focus:ring-blue-500 focus:border-blue-500 text-center tracking-[0.5em] font-mono text-lg bg-white dark:bg-gray-800"
-                   placeholder="000000"
-                   maxlength="6"
-                   required
-                   disabled={isLoading}
-                   autofocus
-                 />
-               </div>
-               <p class="text-xs text-blue-600 dark:text-blue-400 mt-2 text-center">
-                 Consulte su dispositivo autenticador
-               </p>
-             </div>
-           {/if}
+              <div>
+                <label
+                  for="password"
+                  class="block text-xs font-semibold uppercase tracking-wider text-gray-500 dark:text-gray-400 mb-1"
+                  >Clave de Acceso</label
+                >
+                <div class="relative group">
+                  <div
+                    class="absolute inset-y-0 left-0 pl-3 flex items-center pointer-events-none text-gray-400 group-focus-within:text-blue-500 transition-colors"
+                  >
+                    <Icon name="lock" className="w-5 h-5" />
+                  </div>
+                  <input
+                    id="password"
+                    type="password"
+                    bind:value={password}
+                    on:keydown={handleKeyDown}
+                    class="form-input w-full pl-10 py-2.5 bg-gray-50 dark:bg-gray-800 border-gray-300 dark:border-gray-700 rounded focus:ring-2 focus:ring-blue-500 focus:border-blue-500 transition-all font-mono text-sm"
+                    placeholder="••••••••••••"
+                    required
+                    disabled={isLoading}
+                  />
+                </div>
+              </div>
+            </div>
+          {:else}
+            <!-- 2FA Input -->
+            <div
+              class="bg-blue-50 dark:bg-blue-900/10 p-4 rounded-lg border border-blue-100 dark:border-blue-800/30"
+            >
+              <label
+                for="code"
+                class="block text-xs font-semibold uppercase tracking-wider text-blue-800 dark:text-blue-300 mb-2 text-center"
+                >Verificación de Seguridad</label
+              >
+              <div class="relative">
+                <input
+                  id="code"
+                  type="text"
+                  bind:value={totpCode}
+                  on:keydown={handleKeyDown}
+                  class="form-input w-full py-3 rounded border-blue-300 dark:border-blue-700 focus:ring-blue-500 focus:border-blue-500 text-center tracking-[0.5em] font-mono text-lg bg-white dark:bg-gray-800"
+                  placeholder="000000"
+                  maxlength="6"
+                  required
+                  disabled={isLoading}
+                  autofocus
+                />
+              </div>
+              <p class="text-xs text-blue-600 dark:text-blue-400 mt-2 text-center">
+                Consulte su dispositivo autenticador
+              </p>
+            </div>
+          {/if}
 
-           <div class="pt-4">
-             <button
-               type="submit"
-               class="w-full flex justify-center py-2.5 px-4 rounded bg-gray-900 dark:bg-gray-700 text-white font-medium hover:bg-gray-800 dark:hover:bg-gray-600 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-gray-900 transition-colors disabled:opacity-50 disabled:cursor-not-allowed shadow-sm"
-               disabled={isLoading}
-             >
-               {#if isLoading}
-                 <Icon name="loader" class="w-4 h-4 animate-spin mr-2" />
-                 Autenticando...
-               {:else}
-                 {showTwoFactor ? 'Verificar Token' : 'Entrar al Panel'}
-               {/if}
-             </button>
-           </div>
-         </form>
-       </div>
-       
-       <div class="mt-8 pt-6 border-t border-gray-100 dark:border-gray-800">
-          <p class="text-[10px] text-gray-400 text-center uppercase tracking-widest">Aduanasoft Internal Systems © 2024</p>
-       </div>
+          <div class="pt-4">
+            <button
+              type="submit"
+              class="w-full flex justify-center py-2.5 px-4 rounded bg-gray-900 dark:bg-gray-700 text-white font-medium hover:bg-gray-800 dark:hover:bg-gray-600 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-gray-900 transition-colors disabled:opacity-50 disabled:cursor-not-allowed shadow-sm"
+              disabled={isLoading}
+            >
+              {#if isLoading}
+                <Icon name="loader" className="w-4 h-4 animate-spin mr-2" />
+                Autenticando...
+              {:else}
+                {showTwoFactor ? 'Verificar Token' : 'Entrar al Panel'}
+              {/if}
+            </button>
+          </div>
+        </form>
+      </div>
+
+      <div class="mt-8 pt-6 border-t border-gray-100 dark:border-gray-800">
+        <p class="text-[10px] text-gray-400 text-center uppercase tracking-widest">
+          Aduanasoft Internal Systems © 2024
+        </p>
+      </div>
     </div>
   </div>
 </div>

frontend-internal/src/routes/tickets/[id]/+page.svelte

@@ -1,10 +1,15 @@
 <script lang="ts">
   import { goto } from '$app/navigation';
   import { page } from '$app/stores';
+  import IssueModal from '$lib/components/IssueModal.svelte';
+  import ParticipantsModal from '$lib/components/ParticipantsModal.svelte';
   import { toast } from '$lib/stores/toast';
   import { api } from '$lib/utils/api';
   import { onMount } from 'svelte';
 
+  let showParticipants = false;
+  let showIssueModal = false;
+  let issues = [];
   let ticketId: string;
   let ticket = null;
   let comments = [];
@@ -42,24 +47,26 @@
   }
 
   async function loadData() {
-    isLoading = true;
-    try {
-      const [ticketData, commentsData, attachmentsData, usersData] = await Promise.all([
-        api.get(`/tickets/${ticketId}`),
-        api.get(`/tickets/${ticketId}/comments`),
-        api.get(`/tickets/${ticketId}/attachments`),
-        api.get('/users/')
-      ]);
-      ticket = ticketData;
-      comments = commentsData;
-      attachments = attachmentsData;
-      users = usersData;
-    } catch (e) {
-      toast.error('Error cargando ticket: ' + (e.message || 'Error desconocido'));
-    } finally {
-      isLoading = false;
-    }
+  isLoading = true;
+  try {
+    const [ticketData, commentsData, attachmentsData, usersData, issuesData] = await Promise.all([
+      api.get(`/tickets/${ticketId}`),
+      api.get(`/tickets/${ticketId}/comments`),
+      api.get(`/tickets/${ticketId}/attachments`),
+      api.get('/users/'),
+      api.get(`/tickets/${ticketId}/issues`)
+    ]);
+    ticket = ticketData;
+    comments = commentsData;
+    attachments = attachmentsData;
+    users = usersData;
+    issues = issuesData;
+  } catch (e) {
+    toast.error('Error cargando ticket: ' + (e.message || 'Error desconocido'));
+  } finally {
+    isLoading = false;
   }
+}
 
   async function handleAddComment() {
     if (!newComment.trim()) return;
@@ -288,7 +295,9 @@
                           {formatDate(comment.created_at)}
                         </span>
                         {#if comment.is_internal}
-                          <span class="bg-gray-50 text-red-700 text-xs px-2 py-0.5 rounded border border-red-200">
+                          <span
+                            class="bg-gray-50 text-red-700 text-xs px-2 py-0.5 rounded border border-red-200"
+                          >
                             Interno
                           </span>
                         {/if}
@@ -374,26 +383,80 @@
               <dd class="text-sm text-gray-900">{formatDate(ticket.updated_at)}</dd>
             </div>
 
+            <!-- Participantes -->
+            <div class="bg-white shadow rounded-lg">
+              <div class="px-6 py-5 border-b border-gray-200 flex justify-between items-center">
+                <h3 class="text-lg font-semibold text-gray-900">
+                  Asuntos {#if issues.length > 0}<span class="text-gray-400 font-normal"
+                      >({issues.length})</span
+                    >{/if}
+                </h3>
+                <button
+                  type="button"
+                  on:click={() => (showIssueModal = true)}
+                  class="text-sm text-blue-600 hover:text-blue-700 font-medium"
+                >
+                  Crear asunto
+                </button>
+              </div>
+              {#if issues.length > 0}
+                <div class="divide-y divide-gray-100">
+                  {#each issues as issue}
+                    <div class="px-6 py-4">
+                      <div class="flex items-start justify-between gap-2">
+                        <p class="text-sm text-gray-700 flex-1">{issue.content}</p>
+                        <span
+                          class="text-xs font-medium px-2 py-0.5 rounded-full bg-gray-100 text-gray-600 shrink-0"
+                        >
+                          {issue.priority}
+                        </span>
+                      </div>
+                      {#if issue.tagged_users?.length > 0}
+                        <div class="mt-2 flex flex-wrap gap-1">
+                          {#each issue.tagged_users as u}
+                            <span class="text-xs bg-blue-50 text-blue-700 px-2 py-0.5 rounded-full">
+                              {u.full_name}
+                            </span>
+                          {/each}
+                        </div>
+                      {/if}
+                      <p class="text-xs text-gray-400 mt-1">{issue.created_by_name}</p>
+                    </div>
+                  {/each}
+                </div>
+              {:else}
+                <p class="px-6 py-4 text-sm text-gray-500">No hay asuntos creados.</p>
+              {/if}
+            </div>
+
             <!-- SLA Information -->
             {#if ticket.sla_response_due || ticket.sla_resolution_due}
               <div class="pt-4 border-t border-gray-200">
-                <h4 class="text-sm font-semibold text-gray-900 mb-3">SLA (Acuerdos de Nivel de Servicio)</h4>
-                
+                <h4 class="text-sm font-semibold text-gray-900 mb-3">
+                  SLA (Acuerdos de Nivel de Servicio)
+                </h4>
+
                 {#if ticket.sla_response_due}
                   <div class="mb-3">
                     <dt class="text-xs font-medium text-gray-500">Tiempo de Respuesta</dt>
                     <dd class="text-sm text-gray-900 mt-1">
                       {formatDate(ticket.sla_response_due)}
                       {#if new Date(ticket.sla_response_due) < new Date() && !ticket.sla_response_met}
-                        <span class="ml-2 inline-flex items-center px-2 py-0.5 rounded text-xs font-medium bg-gray-50 text-red-700 border border-red-200">
+                        <span
+                          class="ml-2 inline-flex items-center px-2 py-0.5 rounded text-xs font-medium bg-gray-50 text-red-700 border border-red-200"
+                        >
                           Vencido
                         </span>
                       {:else if ticket.sla_response_met}
-                        <span class="ml-2 inline-flex items-center px-2 py-0.5 rounded text-xs font-medium bg-gray-50 text-green-700 border border-green-200">
+                        <span
+                          class="ml-2 inline-flex items-center px-2 py-0.5 rounded text-xs font-medium bg-gray-50 text-green-700 border border-green-200"
+                        >
                           Cumplido
                         </span>
                       {:else}
-                        <span class="ml-2 inline-flex items-center px-2 py-0.5 rounded text-xs font-medium bg-gray-50 text-blue-700 border border-blue-200">
+                        <span
+                          class="ml-2 inline-flex items-center px-2 py-0.5 rounded text-xs font-medium bg-gray-50 text-blue-700 border border-blue-200"
+                        >
                           En plazo
                         </span>
                       {/if}
@@ -407,15 +470,21 @@
                     <dd class="text-sm text-gray-900 mt-1">
                       {formatDate(ticket.sla_resolution_due)}
                       {#if new Date(ticket.sla_resolution_due) < new Date() && !ticket.sla_resolution_met}
-                        <span class="ml-2 inline-flex items-center px-2 py-0.5 rounded text-xs font-medium bg-gray-50 text-red-700 border border-red-200">
+                        <span
+                          class="ml-2 inline-flex items-center px-2 py-0.5 rounded text-xs font-medium bg-gray-50 text-red-700 border border-red-200"
+                        >
                           Vencido
                         </span>
                       {:else if ticket.sla_resolution_met}
-                        <span class="ml-2 inline-flex items-center px-2 py-0.5 rounded text-xs font-medium bg-gray-50 text-green-700 border border-green-200">
+                        <span
+                          class="ml-2 inline-flex items-center px-2 py-0.5 rounded text-xs font-medium bg-gray-50 text-green-700 border border-green-200"
+                        >
                           Cumplido
                         </span>
                       {:else}
-                        <span class="ml-2 inline-flex items-center px-2 py-0.5 rounded text-xs font-medium bg-gray-50 text-blue-700 border border-blue-200">
+                        <span
+                          class="ml-2 inline-flex items-center px-2 py-0.5 rounded text-xs font-medium bg-gray-50 text-blue-700 border border-blue-200"
+                        >
                           En plazo
                         </span>
                       {/if}
@@ -429,4 +498,22 @@
       </div>
     </div>
   {/if}
+  {#if showParticipants && ticket}
+    <ParticipantsModal
+      ticketId={ticket.id}
+      createdBy={ticket.created_by}
+      on:close={() => (showParticipants = false)}
+    />
+  {/if}
+  {#if showIssueModal && ticket}
+    <IssueModal
+      ticketId={ticket.id}
+      {users}
+      on:close={() => (showIssueModal = false)}
+      on:created={() => {
+        showIssueModal = false;
+        loadData();
+      }}
+    />
+  {/if}
 </div>

frontend-internal/vite.config.js

@@ -1,39 +1,36 @@
-import { sveltekit } from '@sveltejs/kit/vite';
+import { sveltekit } from '@sveltejs/kit/vite';
 import { defineConfig } from 'vite';
 
 export default defineConfig({
-	plugins: [sveltekit()],
-	server: {
-		// Puerto: dentro del contenedor siempre 3000; Docker mapea 3001:3000 al host
-		port: parseInt(process.env.PORT || '3001'),
-		host: '0.0.0.0',
-		watch: {
-			usePolling: true,
-			interval: 500
-		},
-		// HMR: el browser llega al contenedor a través del puerto 3001 del host
-		hmr: {
-			host: 'localhost',
-			clientPort: parseInt(process.env.HMR_CLIENT_PORT || '3001')
-		},
-		// Permitir que Vite sirva archivos del filesystem del contenedor
-		fs: {
-			allow: ['/app', '.'],
-			strict: false
-		},
-		proxy: {
-			'/api': {
-				target: process.env.PUBLIC_API_URL || 'http://localhost:8000',
-				changeOrigin: true,
-				rewrite: (path) => path.replace(/^\/api/, '')
-			}
-		}
-	},
-	preview: {
-		port: parseInt(process.env.PORT || '3001'),
-		host: '0.0.0.0'
-	},
-	build: {
-		target: 'esnext'
-	}
-});
+    plugins: [sveltekit()],
+    server: {
+        port: parseInt(process.env.PORT || '3001'),
+        host: '0.0.0.0',
+        watch: {
+            usePolling: true,
+            interval: 500
+        },
+        hmr: {
+            host: 'localhost',
+            clientPort: parseInt(process.env.HMR_CLIENT_PORT || '3001')
+        },
+        fs: {
+            allow: ['/app', '.'],
+            strict: false
+        },
+        proxy: {
+            '/api': {
+                target: process.env.PUBLIC_API_URL || 'http://backend:8000',
+                changeOrigin: true,
+                rewrite: (path) => path.replace(/^\/api/, '')
+            }
+        }
+    },
+    preview: {
+        port: parseInt(process.env.PORT || '3001'),
+        host: '0.0.0.0'
+    },
+    build: {
+        target: 'esnext'
+    }
+});

participants_router.py

@@ -0,0 +1,130 @@
+from fastapi import APIRouter, Depends, HTTPException, status
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select
+from sqlalchemy.orm import selectinload
+import uuid
+
+from app.api import deps
+from app.core.database import get_db
+from app.models.ticket import Ticket, TicketParticipant
+from app.models.user import User
+from pydantic import BaseModel
+
+router = APIRouter()
+
+class ParticipantAdd(BaseModel):
+    user_id: uuid.UUID
+
+class ParticipantResponse(BaseModel):
+    id: uuid.UUID
+    user_id: uuid.UUID
+    ticket_id: uuid.UUID
+    role: str
+    user_email: str
+    user_name: str
+
+    class Config:
+        from_attributes = True
+
+@router.get("/{ticket_id}/participants", response_model=list[ParticipantResponse])
+async def list_participants(
+    ticket_id: uuid.UUID,
+    db: AsyncSession = Depends(get_db),
+    current_user: User = Depends(deps.get_current_user)
+):
+    result = await db.execute(
+        select(TicketParticipant)
+        .where(TicketParticipant.ticket_id == ticket_id)
+        .options(selectinload(TicketParticipant.user))
+    )
+    participants = result.scalars().all()
+    return [
+        ParticipantResponse(
+            id=p.id,
+            user_id=p.user_id,
+            ticket_id=p.ticket_id,
+            role=p.role,
+            user_email=p.user.email,
+            user_name=f"{p.user.first_name or ''} {p.user.last_name or ''}".strip()
+        )
+        for p in participants
+    ]
+
+@router.post("/{ticket_id}/participants", response_model=ParticipantResponse)
+async def add_participant(
+    ticket_id: uuid.UUID,
+    data: ParticipantAdd,
+    db: AsyncSession = Depends(get_db),
+    current_user: User = Depends(deps.get_current_user)
+):
+    # Verificar que el ticket existe
+    ticket_result = await db.execute(select(Ticket).where(Ticket.id == ticket_id))
+    ticket = ticket_result.scalar_one_or_none()
+    if not ticket:
+        raise HTTPException(status_code=404, detail="Ticket not found")
+
+    # Solo el creador puede agregar participantes
+    if ticket.created_by != current_user.id and not current_user.role.is_global:
+        raise HTTPException(status_code=403, detail="Only the ticket creator can add participants")
+
+    # Verificar que el usuario existe
+    user_result = await db.execute(select(User).where(User.id == data.user_id))
+    user = user_result.scalar_one_or_none()
+    if not user:
+        raise HTTPException(status_code=404, detail="User not found")
+
+    # Verificar que no sea duplicado
+    existing = await db.execute(
+        select(TicketParticipant).where(
+            TicketParticipant.ticket_id == ticket_id,
+            TicketParticipant.user_id == data.user_id
+        )
+    )
+    if existing.scalar_one_or_none():
+        raise HTTPException(status_code=400, detail="User is already a participant")
+
+    participant = TicketParticipant(
+        ticket_id=ticket_id,
+        user_id=data.user_id,
+        role="participant"
+    )
+    db.add(participant)
+    await db.commit()
+    await db.refresh(participant)
+
+    return ParticipantResponse(
+        id=participant.id,
+        user_id=participant.user_id,
+        ticket_id=participant.ticket_id,
+        role=participant.role,
+        user_email=user.email,
+        user_name=f"{user.first_name or ''} {user.last_name or ''}".strip()
+    )
+
+@router.delete("/{ticket_id}/participants/{user_id}", status_code=204)
+async def remove_participant(
+    ticket_id: uuid.UUID,
+    user_id: uuid.UUID,
+    db: AsyncSession = Depends(get_db),
+    current_user: User = Depends(deps.get_current_user)
+):
+    ticket_result = await db.execute(select(Ticket).where(Ticket.id == ticket_id))
+    ticket = ticket_result.scalar_one_or_none()
+    if not ticket:
+        raise HTTPException(status_code=404, detail="Ticket not found")
+
+    if ticket.created_by != current_user.id and not current_user.role.is_global:
+        raise HTTPException(status_code=403, detail="Only the ticket creator can remove participants")
+
+    result = await db.execute(
+        select(TicketParticipant).where(
+            TicketParticipant.ticket_id == ticket_id,
+            TicketParticipant.user_id == user_id
+        )
+    )
+    participant = result.scalar_one_or_none()
+    if not participant:
+        raise HTTPException(status_code=404, detail="Participant not found")
+
+    await db.delete(participant)
+    await db.commit()

scripts/README-powershell.md

@@ -0,0 +1,43 @@
+# Scripts PowerShell en ServiceManagerWeb
+
+## security-test-data.ps1
+- **Propósito:** Genera o limpia datos de prueba para análisis de seguridad.
+- **Uso:**
+  - `.	ools\security-test-data.ps1 generar` → Genera datos de prueba.
+  - `.	ools\security-test-data.ps1 limpiar` → Limpia los datos de prueba.
+- **Funcionamiento:** Verifica que el contenedor backend esté corriendo y ejecuta el script Python correspondiente dentro del contenedor.
+
+## test_critical_sync.ps1
+- **Propósito:** Verifica la sincronización de incidentes críticos entre Auditoría y Seguridad.
+- **Pasos:**
+  1. Login como admin y obtiene token.
+  2. Consulta estadísticas del módulo Auditoría.
+  3. Consulta estadísticas del módulo Seguridad.
+- **Resultado:** Muestra si los incidentes críticos están sincronizados.
+
+## test_tenant_update.ps1
+- **Propósito:** Prueba el endpoint de actualización de tenants.
+- **Pasos:**
+  1. Login como admin.
+  2. Obtiene lista de tenants.
+  3. Actualiza el tenant (ejemplo: teléfono y status).
+- **Resultado:** Verifica que la actualización funcione correctamente.
+
+## test_manual.ps1
+- **Propósito:** Pruebas manuales de endpoints clave.
+- **Pasos:**
+  1. Login y obtención de token.
+  2. Listar categorías.
+  3. Crear ticket con SLA automático.
+- **Resultado:** Permite validar manualmente el flujo de API.
+
+## test_frontend_integration.ps1
+- **Propósito:** Verifica la integración entre frontend y backend.
+- **Pasos:**
+  1. Verifica servicios Docker.
+  2. Login y obtención de token.
+  3. Verifica tickets con SLA.
+- **Resultado:** Confirma que el frontend puede consumir correctamente el backend.
+
+---
+**Recomendación:** Conserva estos scripts para testing e integración. Documenta cualquier script nuevo siguiendo este formato.

scripts/README-uso-rapido.md

@@ -0,0 +1,29 @@
+# Guía rápida de scripts esenciales
+
+## 1. setup-dev.sh
+Configura el entorno de desarrollo completo (servicios, dependencias).
+
+## 2. seed_data.py
+Inicializa categorías, sistemas y usuarios demo.
+
+## 3. seed_tickets.py
+Genera tickets de prueba (requiere seed_data.py ejecutado).
+
+## 4. run_tests.sh
+Ejecuta la suite de tests de integración.
+
+## 5. reset_passwords.py
+Resetea contraseñas de usuarios demo para pruebas de login.
+
+## 6. generate_sla_test_data.py
+Crea tickets con diferentes estados de SLA.
+
+## 7. generate_security_test_data.py
+Genera logs de auditoría de prueba.
+
+## 8. check_tenants.py
+Lista y audita los tenants existentes.
+
+---
+
+**Recomendación:** Ejecuta los scripts en este orden para tener un entorno funcional y datos de prueba completos. Elimina los scripts de debugging/manuales si no los necesitas para troubleshooting avanzado.

scripts/check_relations.py

@@ -1,7 +0,0 @@
-from app.models.ticket import Ticket
-from app.models import relationships  # ensure relationships are loaded
-from sqlalchemy import inspect
-
-mapper = inspect(Ticket)
-print("Relationships:", [r.key for r in mapper.relationships])
-print("Columns:", [c.key for c in mapper.columns])

scripts/check_sla.py

@@ -1,40 +0,0 @@
-"""Check SLA state of tickets and categories"""
-import asyncio
-import os
-import sys
-
-sys.path.insert(0, '/app')
-os.chdir('/app')
-
-from sqlalchemy.ext.asyncio import create_async_engine
-from sqlalchemy import text
-
-
-async def run():
-    database_url = os.environ.get('DATABASE_URL', 'postgresql+asyncpg://postgres:postgres@db:5432/servicemanager')
-    engine = create_async_engine(database_url)
-
-    async with engine.connect() as c:
-        print("=== CATEGORIES SLA HOURS ===")
-        r = await c.execute(text(
-            "SELECT name, sla_response_hours, sla_resolution_hours "
-            "FROM ticket_categories "
-            "ORDER BY name"
-        ))
-        for row in r.fetchall():
-            print(f"  {row[0]}: response={row[1]}h, resolution={row[2]}h")
-
-        print("\n=== TICKETS SLA DATES ===")
-        r2 = await c.execute(text(
-            "SELECT ticket_number, category_id, sla_response_due, sla_resolution_due "
-            "FROM tickets "
-            "ORDER BY created_at "
-            "LIMIT 10"
-        ))
-        for row in r2.fetchall():
-            print(f"  {row[0]}: cat={str(row[1])[:8] if row[1] else 'None'}, sla_resp={row[2]}, sla_res={row[3]}")
-
-    await engine.dispose()
-
-
-asyncio.run(run())

scripts/debug_category.py

@@ -1,41 +0,0 @@
-"""Debug: check if ticket's category_id maps to a valid category and what tenant it belongs to"""
-import asyncio
-import os
-import sys
-
-sys.path.insert(0, '/app')
-os.chdir('/app')
-
-from sqlalchemy.ext.asyncio import create_async_engine
-from sqlalchemy import text
-
-
-async def run():
-    database_url = os.environ.get('DATABASE_URL', 'postgresql+asyncpg://postgres:postgres@db:5432/servicemanager')
-    engine = create_async_engine(database_url)
-
-    async with engine.connect() as c:
-        # Check tickets and their category names via direct JOIN
-        r = await c.execute(text("""
-            SELECT t.ticket_number, t.category_id,
-                   cat.name as category_name, cat.tenant_id as cat_tenant,
-                   t.tenant_id as ticket_tenant
-            FROM tickets t
-            LEFT JOIN ticket_categories cat ON cat.id = t.category_id
-            WHERE t.category_id IS NOT NULL
-            LIMIT 10
-        """))
-        print("=== TICKET -> CATEGORY JOIN ===")
-        for row in r.fetchall():
-            match = "✓ SAME TENANT" if row[3] == row[4] else "✗ DIFFERENT TENANT"
-            print(f"  {row[0]}: cat_id={str(row[1])[:8]}, cat_name={row[2]}, {match}")
-
-        # Check what tenant aduanasoft-demo is
-        r2 = await c.execute(text("SELECT id, slug FROM tenants WHERE slug='aduanasoft-demo'"))
-        tenant = r2.fetchone()
-        print(f"\nTenant aduanasoft-demo: {tenant[0] if tenant else 'NOT FOUND'}")
-
-    await engine.dispose()
-
-
-asyncio.run(run())

scripts/debug_orm.py

@@ -1,49 +0,0 @@
-"""Debug: check SQLAlchemy ORM category loading"""
-import asyncio
-import os
-import sys
-
-sys.path.insert(0, '/app')
-os.chdir('/app')
-
-from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession
-from sqlalchemy.orm import sessionmaker, selectinload
-from sqlalchemy import select
-from app.models.ticket import Ticket
-from app.models.category import Category
-
-
-async def run():
-    database_url = os.environ.get('DATABASE_URL', 'postgresql+asyncpg://postgres:postgres@db:5432/servicemanager')
-    engine = create_async_engine(database_url, echo=True)
-    async_session = sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)
-
-    async with async_session() as session:
-        # Test selectinload
-        result = await session.execute(
-            select(Ticket)
-            .options(selectinload(Ticket.category))
-            .where(Ticket.category_id != None)
-            .limit(3)
-        )
-        tickets = result.scalars().all()
-
-        print(f"\n=== ORM RESULTS ({len(tickets)} tickets) ===")
-        for t in tickets:
-            print(f"  {t.ticket_number}: category_id={t.category_id}, category={t.category}")
-            if t.category:
-                print(f"    -> category.name={t.category.name}")
-            else:
-                print(f"    -> category is None!")
-
-        # Check if Category model can be queried directly
-        r2 = await session.execute(select(Category).limit(3))
-        cats = r2.scalars().all()
-        print(f"\n=== DIRECT CATEGORY QUERY ({len(cats)} categories) ===")
-        for c in cats:
-            print(f"  id={c.id}, name={c.name}")
-
-    await engine.dispose()
-
-
-asyncio.run(run())

scripts/reset-fabrica.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+# Script para resetear datos a estado de fábrica (solo datos, no afecta estructura ni funcionalidad)
+
+set -e
+
+echo "🧹 Reseteando datos del sistema..."
+
+# 1. Eliminar datos de tickets, comentarios, logs, auditoría, uploads
+# (Ejemplo: usando comandos SQL directos desde el contenedor)
+docker-compose exec backend psql -U servicemanager -d servicemanager -c "TRUNCATE tickets, ticket_comments, audit_logs, uploads RESTART IDENTITY CASCADE;"
+
+echo "✅ Datos eliminados."
+
+# 2. Volver a poblar datos demo
+
+docker-compose exec backend python scripts/seed_data.py
+docker-compose exec backend python scripts/seed_tickets.py
+docker-compose exec backend python scripts/generate_sla_test_data.py
+docker-compose exec backend python scripts/generate_security_test_data.py
+docker-compose exec backend python scripts/reset_passwords.py
+
+echo "🎉 Sistema restaurado a estado de fábrica demo."