From 103c3422a5019a654e1a2d77ae7b7985390a0696 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=98=D0=B3=D0=BE=D1=80=D1=8C=20=D0=9D=D0=B0=D0=B4=D0=B5?=
 =?UTF-8?q?=D0=B8=D0=BD?= <nadein-igor-vladimirovich@05-04-1999.ru>
Date: Tue, 13 Jan 2026 09:42:57 +0300
Subject: [PATCH] =?UTF-8?q?debug:=20=D0=B4=D0=BE=D0=B1=D0=B0=D0=B2=D0=BB?=
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- Логируем сырое значение из data-last-read-message-id
- Логируем решение загрузки (around vs latest)
- Поможет понять почему скролит в низ вместо последнего прочитанного
---
 backend/static/js/loaders/messageLoaderV2.js | 7 +++++++
 backend/static/js/pages/chatDetail.js        | 6 ++++++
 2 files changed, 13 insertions(+)

diff --git a/backend/static/js/loaders/messageLoaderV2.js b/backend/static/js/loaders/messageLoaderV2.js
index 1ca7d6bf..14e7bee7 100644
--- a/backend/static/js/loaders/messageLoaderV2.js
+++ b/backend/static/js/loaders/messageLoaderV2.js
@@ -102,6 +102,13 @@ export class MessageLoaderV2 {
         try {
             const { aroundMessageId, limit = this.config.INITIAL_LIMIT } = options;
             
+            console.log('[MessageLoaderV2] 🔍 Load decision:', {
+                aroundMessageId,
+                type: typeof aroundMessageId,
+                isPositive: aroundMessageId > 0,
+                willLoadAround: !!(aroundMessageId && aroundMessageId > 0)
+            });
+            
             let result;
             if (aroundMessageId && aroundMessageId > 0) {
                 result = await this._loadAround(chatId, aroundMessageId, limit, requestKey);
diff --git a/backend/static/js/pages/chatDetail.js b/backend/static/js/pages/chatDetail.js
index 8ff0dfa8..30cbc62e 100644
--- a/backend/static/js/pages/chatDetail.js
+++ b/backend/static/js/pages/chatDetail.js
@@ -71,6 +71,12 @@ function initWhenReady() {
     lastReadMessageId: appContainer.dataset.lastReadMessageId ? Number(appContainer.dataset.lastReadMessageId) : null
   };
   
+  console.log('[ChatDetail] 🔍 lastReadMessageId from HTML:', {
+    rawValue: appContainer.dataset.lastReadMessageId,
+    parsedValue: config.lastReadMessageId,
+    type: typeof config.lastReadMessageId
+  });
+  
   // Читаем дополнительные URL из chatScroll (для рендеринга сообщений)
   const chatScroll = document.getElementById('chatScroll');
   if (chatScroll) {