feat: add generate step special execution log path key function

internal/util/utils.go

@@ -21,10 +21,13 @@ import (
 	"os"
 	"path/filepath"
 	"regexp"
+	"strconv"
 	"strings"
 	"time"
 
 	"github.com/mattn/go-shellwords"
+
+	"github.com/daguflow/dagu/internal/constants"
 )
 
 var (
@@ -225,3 +228,21 @@ func AddYamlExtension(file string) string {
 	}
 	return file
 }
+
+func GenerateStepSpecialExecutionLogPathKey(stepID int) string {
+	var (
+		keyBuilder = strings.Builder{}
+	)
+
+	keyBuilder.WriteString(constants.StepDaguExecutionLogPathKeyPrefix)
+
+	keyBuilder.WriteString("_")
+
+	keyBuilder.WriteString(strconv.Itoa(stepID))
+
+	keyBuilder.WriteString("_")
+
+	keyBuilder.WriteString(constants.StepDaguExecutionLogPathKeySuffix)
+
+	return keyBuilder.String()
+}