feat(audit): security events en Auth + authorization handlers (UDT-010 B9)

Instruments auth pipeline with ISecurityEventLogger per #REQ-AUTH-SEC:

LoginCommandHandler:
- login success → action=login result=success actorUserId=user.Id
- login failure disaggregated internally (client still sees 401 unified):
  user_not_found / user_inactive / invalid_password
  — attempts captured with attemptedUsername + FailureReason

LogoutCommandHandler:
- action=logout result=success actorUserId=cmd.UsuarioId

RefreshCommandHandler:
- refresh.issue success on successful rotation
- refresh.reuse_detected failure when revoked token is presented (chain
  revoke already happens; we add the security event with metadata.familyId)
- refresh.issue failure for: token_expired / sub_mismatch / user_not_found /
  user_inactive

PermissionAuthorizationHandler:
- permission.denied failure on require-permission rejection, with metadata
  { permissionRequired, endpoint, method }. ActorUserId from JWT sub.

DI: ISecurityEventLogger was already registered by B6 (AddInfrastructure).

Test updates: 4 test classes now inject ISecurityEventLogger mock:
- LoginCommandHandlerTests, LogoutCommandHandlerTests, RefreshCommandHandlerTests
- PermissionAuthorizationHandlerTests (Api.Tests)

Suite: 378/378 Application.Tests + 141/141 Api.Tests = 519/519 passing.

Refs: sdd/udt-010-auditoria-trazabilidad/{spec#REQ-SEC-2/3/4/5 #REQ-AUTH-SEC,
design, tasks#B9}

tests/SIGCM2.Application.Tests/Auth/Login/LoginCommandHandlerTests.cs

@@ -3,6 +3,7 @@ using NSubstitute;
 using SIGCM2.Application.Abstractions;
 using SIGCM2.Application.Abstractions.Persistence;
 using SIGCM2.Application.Abstractions.Security;
+using SIGCM2.Application.Audit;
 using SIGCM2.Application.Auth;
 using SIGCM2.Application.Auth.Login;
 using SIGCM2.Domain.Entities;
@@ -20,6 +21,7 @@ public class LoginCommandHandlerTests
     private readonly IRefreshTokenGenerator _refreshGenerator = Substitute.For<IRefreshTokenGenerator>();
     private readonly IClientContext _clientCtx = Substitute.For<IClientContext>();
     private readonly IRolPermisoRepository _rolPermisoRepo = Substitute.For<IRolPermisoRepository>();
+    private readonly ISecurityEventLogger _security = Substitute.For<ISecurityEventLogger>();
     private readonly ILogger<LoginCommandHandler> _logger = Substitute.For<ILogger<LoginCommandHandler>>();
     private readonly AuthOptions _authOptions = new() { AccessTokenMinutes = 60, RefreshTokenDays = 7 };
     private readonly LoginCommandHandler _handler;
@@ -42,7 +44,7 @@ public class LoginCommandHandlerTests
         _handler = new LoginCommandHandler(
             _repository, _hasher, _jwtService,
             _refreshRepo, _refreshGenerator, _clientCtx, _authOptions,
-            _rolPermisoRepo, _logger);
+            _rolPermisoRepo, _security, _logger);
     }
 
     // Scenario: valid credentials → returns token response with usuario populated