fix: add --custom-ngx-build back, fix preflight URL

internal/native/native.go

@@ -62,6 +62,7 @@ func InstallNode(node state.Node, apiToken, apiHost, labels string) error {
 	fmt.Printf("[%s] Running setup...\n", node.Name)
 	cmd = exec.Command("bash", filepath.Join(instanceDir, "setup.sh"),
 		"--batch", "--token", apiToken, "--cloud", cloudFromHost(apiHost),
+		"--custom-ngx-build",
 	)
 
 	logFile, _ := os.Create(filepath.Join(instanceDir, "install.log"))

internal/preflight/preflight.go

@@ -88,7 +88,7 @@ func Run() Result {
 	}
 
 	// 6. Installer reachability
-	installerOk := shared.HTTPHead("https://storage.googleapis.com/meganode_storage/6.13/")
+	installerOk := shared.HTTPHead("https://storage.googleapis.com/meganode_storage/")
 	r.Checks = append(r.Checks, Check{
 		Name: "installer_reachable", Passed: installerOk,
 		Detail: "storage.googleapis.com",