refactor(auth): delegate access control to be-system

Remove Agent Desk users, roles, login sessions, tokens, and local permission persistence. Expose the backend as an embeddable ai-agent module with host-provided subject lookup and operation authorization callbacks, and complete the frontend/backend repository split.

internal/services/ticket_service_test.go

@@ -9,16 +9,16 @@ import (
 	"testing"
 	"time"
 
-	"agent-desk/internal/bootstrap"
-	"agent-desk/internal/events"
-	"agent-desk/internal/models"
-	"agent-desk/internal/pkg/config"
-	"agent-desk/internal/pkg/dto"
-	"agent-desk/internal/pkg/dto/request"
-	"agent-desk/internal/pkg/enums"
-	"agent-desk/internal/pkg/eventbus"
-	"agent-desk/internal/repositories"
-	"agent-desk/internal/services"
+	"code.tczkiot.com/wlw/ai-agent/internal/bootstrap"
+	"code.tczkiot.com/wlw/ai-agent/internal/events"
+	"code.tczkiot.com/wlw/ai-agent/internal/models"
+	"code.tczkiot.com/wlw/ai-agent/internal/pkg/config"
+	"code.tczkiot.com/wlw/ai-agent/internal/pkg/dto"
+	"code.tczkiot.com/wlw/ai-agent/internal/pkg/dto/request"
+	"code.tczkiot.com/wlw/ai-agent/internal/pkg/enums"
+	"code.tczkiot.com/wlw/ai-agent/internal/pkg/eventbus"
+	"code.tczkiot.com/wlw/ai-agent/internal/repositories"
+	"code.tczkiot.com/wlw/ai-agent/internal/services"
 
 	"github.com/mlogclub/simple/sqls"
 )
@@ -632,25 +632,10 @@ func createTestUser(t *testing.T, prefix string) int64 {
 
 func createTestUserWithStatus(t *testing.T, prefix string, status enums.Status) int64 {
 	t.Helper()
-	now := time.Now()
-	username := fmt.Sprintf("%s_%d", prefix, now.UnixNano())
-	user := &models.User{
-		Username: username,
-		Nickname: prefix,
-		Status:   status,
-		AuditFields: models.AuditFields{
-			CreatedAt:      now,
-			CreateUserID:   1,
-			CreateUserName: "admin",
-			UpdatedAt:      now,
-			UpdateUserID:   1,
-			UpdateUserName: "admin",
-		},
-	}
-	if err := repositories.UserRepository.Create(sqls.DB(), user); err != nil {
-		t.Fatalf("create user error = %v", err)
-	}
-	return user.ID
+	id := time.Now().UnixNano()
+	username := fmt.Sprintf("%s_%d", prefix, id)
+	registerTestExternalSubject(id, username, prefix, status)
+	return id
 }
 
 func createTestConversation(t *testing.T, customerID int64, prefix string) int64 {