added auto update check and update as user wish

Author: mahbd

Apps/node_runner/main.go

@@ -52,8 +52,27 @@ func downloadFile(url, destPath string) error {
 		}
 	}
 
-	// Move the temp file to the destination
+	// Move the temp file to the destination (on Windows, rename can't cross drives)
 	if err := os.Rename(out.Name(), destPath); err != nil {
+		if runtime.GOOS == "windows" {
+			// Cross-device rename failed, use copy instead
+			src, err := os.Open(out.Name())
+			if err != nil {
+				return fmt.Errorf("failed to open temp file: %v", err)
+			}
+			defer src.Close()
+
+			dst, err := os.Create(destPath)
+			if err != nil {
+				return fmt.Errorf("failed to create destination: %v", err)
+			}
+			defer dst.Close()
+
+			if _, err := io.Copy(dst, src); err != nil {
+				return fmt.Errorf("failed to copy file: %v", err)
+			}
+			return nil
+		}
 		return fmt.Errorf("failed to move file to destination: %v", err)
 	}
 
@@ -274,6 +293,11 @@ func main() {
 
 	fmt.Printf("✅ ZeuZ Node %s\n", version)
 
+	// Check for updates (non-blocking, uses cached info from last run)
+	if !HandleUpdateFlow() {
+		return
+	}
+
 	zeuzDir := getZeuZNodeDir()
 
 	if *cleanFlag {