fix: prevent file corruption in transform download

cmd/transform/download.go

@@ -3,9 +3,10 @@ package transform
 
 import (
 	"context"
-	"strings"
+	"fmt"
 
 	"github.com/charmbracelet/log"
+	"github.com/mrz1836/go-sanitize"
 	sailpoint "github.com/sailpoint-oss/golang-sdk/v2"
 	v3 "github.com/sailpoint-oss/golang-sdk/v2/api_v3"
 	"github.com/sailpoint-oss/sailpoint-cli/internal/config"
@@ -35,8 +36,14 @@ func newDownloadCommand() *cobra.Command {
 				return sdk.HandleSDKError(resp, err)
 			}
 
+			filenameCounts := make(map[string]int)
 			for _, v := range transforms {
-				filename := strings.ReplaceAll(v.Name, " ", "")
+				baseName := sanitize.PathName(v.Name)
+				filename := baseName
+				if count := filenameCounts[baseName]; count > 0 {
+					filename = fmt.Sprintf("%s-%d", baseName, count)
+				}
+				filenameCounts[baseName]++
 
 				err := output.SaveJSONFile(v, filename, destination)
 				if err != nil {

internal/output/output.go

@@ -43,7 +43,8 @@ func WriteFile(folderPath string, filePath string, data []byte) error {
 		}
 	}
 
-	file, err := os.OpenFile(path.Join(folderPath, filePath), os.O_CREATE|os.O_RDWR, 0777)
+	// O_TRUNC ensures existing file content is removed before writing
+	file, err := os.OpenFile(path.Join(folderPath, filePath), os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0777)
 	if err != nil {
 		return err
 	}