diff --git a/cmd/picoclaw/internal/onboard/helpers.go b/cmd/picoclaw/internal/onboard/helpers.go
index 6acc64eef..e1e443e96 100644
--- a/cmd/picoclaw/internal/onboard/helpers.go
+++ b/cmd/picoclaw/internal/onboard/helpers.go
@@ -10,6 +10,9 @@ import (
 	"github.com/sipeed/picoclaw/pkg/config"
 )
 
+// legacyAgentFile is the old workspace template filename superseded by AGENTS.md.
+const legacyAgentFile = "AGENT.md"
+
 func onboard() {
 	configPath := internal.GetConfigPath()
 
@@ -71,7 +74,7 @@ func copyEmbeddedToTarget(targetDir string) error {
 		}
 
 		// Skip legacy file superseded by AGENTS.md
-		if filepath.Base(path) == "AGENT.md" {
+		if filepath.Base(path) == legacyAgentFile {
 			return nil
 		}