fix monitor desktop unknown recovery

server/internal/tenant/app/desktop_task_service.go

@@ -27,6 +27,8 @@ import (
 
 const desktopPublishMaxAttempts = 3
 
+var errDesktopTaskLeaseDeferred = errors.New("desktop task lease deferred")
+
 type DesktopTaskService struct {
 	pool           *pgxpool.Pool
 	monitoringPool *pgxpool.Pool
@@ -247,7 +249,11 @@ func (s *DesktopTaskService) Lease(ctx context.Context, client *repository.Deskt
 			if taskID == nil {
 				return &LeaseDesktopTaskResponse{}, nil
 			}
-			return nil, s.classifyLeaseError(ctx, client, taskID)
+			classifiedErr := s.classifyLeaseError(ctx, client, taskID)
+			if errors.Is(classifiedErr, errDesktopTaskLeaseDeferred) {
+				return &LeaseDesktopTaskResponse{}, nil
+			}
+			return nil, classifiedErr
 		}
 		fields := []zap.Field{
 			zap.String("client_id", client.ID.String()),
@@ -966,6 +972,9 @@ func (s *DesktopTaskService) Complete(ctx context.Context, client *repository.De
 	taskRepo := repository.NewDesktopTaskRepository(tx)
 	previousTask, _ := taskRepo.GetByDesktopID(ctx, desktopID, client.WorkspaceID)
 	previousAttemptID := activeAttemptID(previousTask)
+	if previousTask != nil {
+		finalStatus = normalizeDesktopTaskCompletionStatusForKind(previousTask.Kind, finalStatus)
+	}
 
 	task, err := taskRepo.Complete(ctx, desktopID, HashDesktopClientToken(strings.TrimSpace(req.LeaseToken)), finalStatus, resultJSON, errorJSON)
 	if err != nil {
@@ -1558,10 +1567,19 @@ func (s *DesktopTaskService) classifyLeaseError(ctx context.Context, client *rep
 		return response.ErrForbidden(40381, "desktop_task_not_target_client", "desktop task is assigned to another desktop client")
 	}
 
+	return classifyDesktopTaskLeaseState(task)
+}
+
+func classifyDesktopTaskLeaseState(task *repository.DesktopTask) error {
+	if task == nil {
+		return response.ErrNotFound(40482, "desktop_task_not_found", "desktop task not found")
+	}
+	if task.Kind == "monitor" && task.Status == "queued" {
+		return errDesktopTaskLeaseDeferred
+	}
 	if task.Status == "in_progress" {
 		return response.ErrConflict(40989, "desktop_task_already_in_progress", "desktop task is already in progress")
 	}
-
 	return response.ErrConflict(40991, "desktop_task_not_queued", "desktop task is not queued")
 }
 
@@ -1646,13 +1664,22 @@ func normalizeDesktopTaskCompletionStatus(status string) string {
 	}
 }
 
-func normalizeDesktopTaskViewStatus(kind string, status string) string {
-	if strings.TrimSpace(kind) == "publish" {
-		return normalizeDesktopTaskTerminalStatus(status)
+func normalizeDesktopTaskCompletionStatusForKind(kind string, status string) string {
+	if strings.TrimSpace(kind) == "monitor" && strings.TrimSpace(status) == "unknown" {
+		return "failed"
 	}
 	return strings.TrimSpace(status)
 }
 
+func normalizeDesktopTaskViewStatus(kind string, status string) string {
+	switch strings.TrimSpace(kind) {
+	case "monitor", "publish":
+		return normalizeDesktopTaskTerminalStatus(status)
+	default:
+		return strings.TrimSpace(status)
+	}
+}
+
 type desktopTaskRecoveryMode string
 
 const (