From fc31d375a2451536166f0e559b5ebf8dcf0a3bf4 Mon Sep 17 00:00:00 2001
From: "Arthur K." <me@wzray.com>
Date: Fri, 23 Jan 2026 12:19:16 +0300
Subject: [PATCH] fix: prevent firing registry events on heartbeat

---
 internal/registry/registry.go | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/internal/registry/registry.go b/internal/registry/registry.go
index 610e153..9e425d2 100644
--- a/internal/registry/registry.go
+++ b/internal/registry/registry.go
@@ -123,6 +123,15 @@ func (r *Registry) RemoveNode(node types.Node) error {
 
 func (r *Registry) Set(nodes map[string]types.Node) error {
 	r.lock.Lock()
+	equalFunc := func(a, b types.Node) bool {
+		return a.Hostname == b.Hostname
+	}
+
+	if maps.EqualFunc(r.nodes, nodes, equalFunc) {
+		r.lock.Unlock()
+		return nil
+	}
+
 	r.nodes = maps.Clone(nodes)
 	snapshot := r.snapshot()
 	r.lock.Unlock()