From a4c4d64a989a458dc66ca17ea7ccc782475ffdf0 Mon Sep 17 00:00:00 2001
From: Claude <developers@lethean.io>
Date: Thu, 2 Apr 2026 07:42:21 +0100
Subject: [PATCH] ax(node): replace prose comment with usage example on
 safeKeyPrefix

AX Principle 2: comments show HOW with real values, not WHAT the signature says.

Co-Authored-By: Charon <charon@lethean.io>
---
 pkg/node/peer.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pkg/node/peer.go b/pkg/node/peer.go
index 85335aa..a8801a1 100644
--- a/pkg/node/peer.go
+++ b/pkg/node/peer.go
@@ -56,7 +56,8 @@ const (
 // peerNameRegex validates peer names: alphanumeric, hyphens, underscores, and spaces
 var peerNameRegex = regexp.MustCompile(`^[a-zA-Z0-9][a-zA-Z0-9\-_ ]{0,62}[a-zA-Z0-9]$|^[a-zA-Z0-9]$`)
 
-// safeKeyPrefix returns a truncated key for logging, handling short keys safely
+// safeKeyPrefix("abc123def456xyz789") // "abc123def456xyz7..."
+// safeKeyPrefix("")                   // "(empty)"
 func safeKeyPrefix(key string) string {
 	if len(key) >= 16 {
 		return key[:16] + "..."