From 03ec13364c65fed9edd20ed186a186bcda2fabbb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=90=D0=BD=D1=82=D0=BE=D0=BD=20=D0=A2=D1=80=D0=BE=D1=88?=
 =?UTF-8?q?=D0=B8=D0=BD?= <i@atroshin.ru>
Date: Thu, 20 Aug 2026 21:29:07 +0300
Subject: [PATCH] Fix onErrorActionTypeChange: sel.nextElementSibling ->
 sel.parentElement.nextElementSibling

The Error Action HTML structure wraps the select in a flex div sibling to
the .error-action-body div, so sel.nextElementSibling was null.
---
 frontend/index.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/frontend/index.html b/frontend/index.html
index 96af86e..6f8d9b6 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -2094,7 +2094,7 @@ function buildErrorActionRow() {
 }
 
 function onErrorActionTypeChange(sel) {
-	const body = sel.nextElementSibling;
+	const body = sel.parentElement.nextElementSibling;
 	if (sel.value === 'proactive') {
 		body.innerHTML = buildBerPcHtml(['display','tone']);
 		const pc = body.querySelector('.ber-pc');