Improve call buffering, CM handle lifecycle and radio PTT controls

tools/chatgui/src/settingsdialog.cpp

@@ -8,6 +8,7 @@
 #include "audiodevicesettingspage.h"
 #include "storagesettingspage.h"
 #include "radiosettingspage.h"
+#include "ptt_hotkey_manager.h"
 #include "connmonitorwindow.h"
 #include "../transport/gui_bridge.h"
 #include "../../lib/mem.h"
@@ -56,6 +57,7 @@ SettingsDialog::SettingsDialog(const QString& configPath, DbManager* db, UtunNod
     m_categoryList->addItem("Nodes");
     m_categoryList->addItem("Sound");
     m_categoryList->addItem("Audio");
+    m_categoryList->addItem("Рация");
     mainLayout->addWidget(m_categoryList);
 
     // --- Right panel: stacked pages ---
@@ -295,8 +297,8 @@ void SettingsDialog::onSave() {
     m_storagePage->applyAndSave();
     m_radioPage->apply();
 
-    /* save radio PTT hotkeys to ui_state */
-    {
+    /* Физические сочетания сохраняем в БД; Wayland-хоткеями владеет системный портал. */
+    if (!PttHotkeyManager::usesPortal()) {
         const char* key = "radio_ptt_hotkeys";
         QByteArray val = m_radioPage->hotkeys().join('|').toUtf8();
         size_t klen = strlen(key), vlen = (size_t)val.size();