encrypt overhead fix (33→36, noencrypt_len), mtu default 1280, connmonitor window, total_decrypted for TCP, check.sh

tools/chatgui/src/channellist.cpp

@@ -155,6 +155,15 @@ ChannelList::ChannelList(DbManager* db, QWidget *parent)
 
     connect(gearBtn, &QPushButton::clicked, this, [this] { emit settingsRequested(); });
 
+    auto *monitorBtn = new QPushButton(QString::fromUtf8("\xF0\x9F\x94\x8D"), footer); /* 🔍 */
+    monitorBtn->setFixedSize(28, 28);
+    monitorBtn->setToolTip(QString::fromUtf8("Connection Monitor"));
+    monitorBtn->setStyleSheet(
+        "QPushButton { border: none; font-size: 16px; background: transparent; color: gray; }"
+        "QPushButton:hover { color: palette(text); }");
+    fl->addWidget(monitorBtn);
+    connect(monitorBtn, &QPushButton::clicked, this, [this] { emit connMonitorRequested(); });
+
     fl->addStretch();
 
     auto *createBtn = new QPushButton("GRP", footer);
@@ -222,7 +231,7 @@ void ChannelList::loadChannels() {
             item->setData(ch.lastMsgAt,   ChannelLastMsgAtRole);
             item->setData(makeChannelIcon(colors[ci % 6], letter), ChannelIconRole);
             m_model->appendRow(item);
-            DEBUG_INFO(DEBUG_CATEGORY_DEBUG, "ChannelList::loadChannels row=%d cid='%s' name='%s' unread=%d lastMsgAt=%lld",
+            DEBUG_DEBUG(DEBUG_CATEGORY_DEBUG, "ChannelList::loadChannels row=%d cid='%s' name='%s' unread=%d lastMsgAt=%lld",
                        m_model->rowCount()-1, qPrintable(ch.channelId), qPrintable(ch.name), ch.unreadCount,
                        (long long)ch.lastMsgAt);
             ci++;
@@ -266,7 +275,7 @@ void ChannelList::setChannelPeersOnline(const QString& channelId, int count) {
         }
     }
     if (!found)
-        DEBUG_INFO(DEBUG_CATEGORY_DEBUG, "  NOT FOUND in model");
+        DEBUG_DEBUG(DEBUG_CATEGORY_DEBUG, "  NOT FOUND in model");
 }
 
 void ChannelList::setAutoConnectActive(bool active) {