fix: Set IdempotencyKey before validation in CreateWithIdempotency

aggregator-server/internal/command/factory.go

@@ -57,11 +57,21 @@ func (f *Factory) CreateWithIdempotency(agentID uuid.UUID, commandType string, p
 	if err != nil {
 		// If no existing command found, proceed with creation
 		if err.Error() == "sql: no rows in result set" || err.Error() == "command not found" {
-			cmd, createErr := f.Create(agentID, commandType, params)
-			if createErr != nil {
-				return nil, createErr
+			cmd := &models.AgentCommand{
+				ID:             uuid.New(),
+				AgentID:        agentID,
+				CommandType:    commandType,
+				Status:         "pending",
+				Source:         determineSource(commandType),
+				IdempotencyKey: &idempotencyKey,
+				Params:         params,
+				CreatedAt:      time.Now(),
+				UpdatedAt:      time.Now(),
+			}
+
+			if err := f.validator.Validate(cmd); err != nil {
+				return nil, fmt.Errorf("command validation failed: %w", err)
 			}
-			cmd.IdempotencyKey = &idempotencyKey
 			return cmd, nil
 		}
 		return nil, fmt.Errorf("failed to check idempotency: %w", err)