fix new worker

Author: siherrmann

model/worker.go

@@ -42,6 +42,14 @@ func NewWorker(name string, maxConcurrency int) (*Worker, error) {
 }
 
 func NewWorkerWithOptions(name string, maxConcurrency int, options *OnError) (*Worker, error) {
+	if len(name) == 0 || len(name) > 100 {
+		return nil, fmt.Errorf("name must have a length between 1 and 100")
+	}
+
+	if maxConcurrency < 1 || maxConcurrency > 1000 {
+		return nil, fmt.Errorf("maxConcurrency must be between 1 and 100")
+	}
+
 	err := options.IsValid()
 	if err != nil {
 		return nil, fmt.Errorf("invalid options: %w", err)