Preserve evidence when local tag inspection fails

publish.go

@@ -48,7 +48,7 @@ type PublicationResult struct {
 	CandidateCommit string           // captured main commit
 	Endpoint        string           // captured effective push URL, which may contain credentials
 	Phase           PublicationPhase // last operation phase reached
-	TagObject       string           // local annotated tag object ID, when created
+	TagObject       string           // local annotated tag object ID, when established; a local ref may remain even when empty
 	State           PublicationState // publication outcome for this invocation
 }