Poprawki API i panelu admina

api/message_text_helper.php

@@ -0,0 +1,20 @@
+<?php
+
+/**
+ * Normalizuje komunikat kolejki do zwykłego tekstu (wiersze = \n w JSON).
+ * Starsze wpisy HTML (<br>, tagi) są konwertowane na plain text.
+ */
+function normalizeQueueMessageText(string $text): string
+{
+    $text = trim($text);
+    if ($text === '') {
+        return '';
+    }
+
+    $text = preg_replace('/<br\s*\/?>/i', "\n", $text) ?? $text;
+    $text = html_entity_decode(strip_tags($text), ENT_QUOTES | ENT_HTML5, 'UTF-8');
+    $text = str_replace(["\r\n", "\r"], "\n", $text);
+    $text = preg_replace("/\n{3,}/", "\n\n", $text) ?? $text;
+
+    return trim($text);
+}