diff --git a/tools/chatgui/src/audiodevicesettingspage.cpp b/tools/chatgui/src/audiodevicesettingspage.cpp
index 17d90b8c..d582e832 100644
--- a/tools/chatgui/src/audiodevicesettingspage.cpp
+++ b/tools/chatgui/src/audiodevicesettingspage.cpp
@@ -11,9 +11,7 @@ extern "C" {
 #include "../db/db_manager.h"
 #include "../transport/gui_bridge.h"
 #include "../transport/config_updater.h"
-#include "../../lib/mem.h"
 extern "C" {
-#include "chat/chat_core.h"
 #include "call/call_video_rate.h"
 }
 #include <QVBoxLayout>
@@ -279,95 +277,40 @@ void AudioDeviceSettingsPage::applyAndSave() {
             QCoreApplication::translate("ChatGui", "Could not save the call video bitrate range."));
         return;
     }
-    auto* rangeArg = static_cast<chat_setting_arg*>(u_calloc(1, sizeof(chat_setting_arg)));
-    if (!rangeArg) { DEBUG_ERROR(DEBUG_CATEGORY_CALL, "video bitrate range command allocation failed"); return; }
-    rangeArg->inst = gui_bridge_get_inst();
-    memcpy(rangeArg->data, rangeKey, strlen(rangeKey) + 1);
-    QByteArray rangeBytes = range.toUtf8();
-    memcpy(rangeArg->data + strlen(rangeKey) + 1, rangeBytes.constData(), rangeBytes.size() + 1);
-    gui_bridge_post_uasync_fn(chat_core_set_setting_trampoline, rangeArg);
+    gui_bridge_post_setting(GUI_SETTING_CHAT, rangeKey, range.toUtf8().constData());
     QString outputId = m_outputCombo->currentData().toString();
     QString inputId = m_inputCombo->currentData().toString();
     int codecPreset = m_codecPresetCombo->currentData().toInt();
 
-    auto saveKey = [](const char* key, int val) {
-        QByteArray v = QByteArray::number(val);
-        size_t klen = strlen(key), vlen = (size_t)v.size();
-        size_t total = klen + 1 + vlen + 1;
-        if (total > 256) return;
-        struct save_ui_state_arg* arg = (struct save_ui_state_arg*)u_malloc(sizeof(struct save_ui_state_arg));
-        if (!arg) return;
-        arg->inst = gui_bridge_get_inst();
-        memcpy(arg->data, key, klen + 1);
-        memcpy(arg->data + klen + 1, v.constData(), vlen + 1);
-        gui_bridge_post_uasync_fn(chat_core_save_ui_state_trampoline, arg);
-    };
-    auto saveText = [](const char* key, const QString& id) {
-        QByteArray value = id.toUtf8();
-        size_t keyLen = strlen(key), valueLen = value.size();
-        auto* arg = static_cast<save_ui_state_arg*>(u_calloc(1, sizeof(save_ui_state_arg)));
-        if (!arg) { DEBUG_ERROR(DEBUG_CATEGORY_CONFIG, "settings save allocation failed key=%s", key); return; }
-        if (keyLen + valueLen + 2 > sizeof(arg->data)) {
-            DEBUG_ERROR(DEBUG_CATEGORY_CONFIG, "settings value too long key=%s bytes=%zu", key, valueLen);
-            u_free(arg); return;
-        }
-        arg->inst = gui_bridge_get_inst();
-        memcpy(arg->data, key, keyLen + 1);
-        memcpy(arg->data + keyLen + 1, value.constData(), valueLen + 1);
-        gui_bridge_post_uasync_fn(chat_core_save_ui_state_trampoline, arg);
-    };
-    saveText("audio_output_id", outputId);
-    saveText("audio_input_id", inputId);
-    saveText(rangeKey, range);
+    const QPair<const char*, QString> textSettings[] = {{"audio_output_id", outputId}, {"audio_input_id", inputId}, {rangeKey, range}};
+    for (const auto& setting : textSettings)
+        gui_bridge_post_setting(GUI_SETTING_UI_STATE, setting.first, setting.second.toUtf8().constData());
     SoundManager::instance()->setDevices(outputId, inputId);
-    saveKey("opus_codec_preset", codecPreset);
-
     VoiceEncoder::setPreset(codecPreset);
 
     int radioOpusMode = m_radioOpusModeCombo->currentData().toInt();
     int radioOpusBitrate = m_radioOpusBitrateCombo->currentData().toInt();
     int radioCaptureStereo = m_radioCaptureStereoCb->isChecked() ? 1 : 0;
 
-    saveKey("radio_opus_mode", radioOpusMode);
-    saveKey("radio_opus_bitrate", radioOpusBitrate);
-    saveKey("radio_capture_stereo", radioCaptureStereo);
-
     int compEnabled = m_compressorEnabledCb->isChecked() ? 1 : 0;
     int compMaxGain = m_compressorMaxGainSlider->value();
     int compRiseRate = m_compressorRiseRateSlider->value();
 
-    saveKey("compressor_enabled", compEnabled);
-    saveKey("compressor_max_gain_db", compMaxGain);
-    saveKey("compressor_rise_rate", compRiseRate);
-
     int jitterReserveMs = (int)std::lround(m_jitterReserveSpin->value() * 1000);
-    saveKey("call_jitter_max_reserve_ms", jitterReserveMs);
     int aecEnabled = m_aecEnabledCb->isChecked() ? 1 : 0;
-    saveKey("aec_enabled", aecEnabled);
-
-    /* also update [chat] config section + live apply for headless-compat settings */
-    if (!m_configPath.isEmpty()) {
-        auto postChat = [](const QString& path, const char* name, int val) {
-            config_update_option(path, "chatserver", name, QString::number(val), CONFIG_UPDATE_REPLACE);
-            QByteArray v = QByteArray::number(val);
-            size_t nlen = strlen(name), vlen = (size_t)v.size(), total = nlen + 1 + vlen + 1;
-            if (total > 256) return;
-            struct chat_setting_arg* arg = (struct chat_setting_arg*)u_malloc(sizeof(struct chat_setting_arg));
-            if (!arg) return;
-            arg->inst = gui_bridge_get_inst();
-            memcpy(arg->data, name, nlen + 1);
-            memcpy(arg->data + nlen + 1, v.constData(), vlen + 1);
-            gui_bridge_post_uasync_fn(chat_core_set_setting_trampoline, arg);
-        };
-        postChat(m_configPath, "opus_codec_preset", codecPreset);
-        postChat(m_configPath, "radio_opus_mode", radioOpusMode);
-        postChat(m_configPath, "radio_opus_bitrate", radioOpusBitrate);
-        postChat(m_configPath, "radio_capture_stereo", radioCaptureStereo);
-        postChat(m_configPath, "compressor_enabled", compEnabled);
-        postChat(m_configPath, "compressor_max_gain_db", compMaxGain);
-        postChat(m_configPath, "compressor_rise_rate", compRiseRate);
-        postChat(m_configPath, "aec_enabled", aecEnabled);
-        postChat(m_configPath, "call_jitter_max_reserve_ms", jitterReserveMs);
+    const QPair<const char*, int> numericSettings[] = {
+        {"opus_codec_preset", codecPreset}, {"radio_opus_mode", radioOpusMode}, {"radio_opus_bitrate", radioOpusBitrate},
+        {"radio_capture_stereo", radioCaptureStereo}, {"compressor_enabled", compEnabled}, {"compressor_max_gain_db", compMaxGain},
+        {"compressor_rise_rate", compRiseRate}, {"call_jitter_max_reserve_ms", jitterReserveMs}, {"aec_enabled", aecEnabled}
+    };
+    for (const auto& setting : numericSettings) {
+        const QByteArray value = QByteArray::number(setting.second);
+        gui_bridge_post_setting(GUI_SETTING_UI_STATE, setting.first, value.constData());
+        if (m_configPath.isEmpty()) continue;
+        if (!config_update_option(m_configPath, "chatserver", setting.first, QString::fromLatin1(value))) {
+            DEBUG_ERROR(DEBUG_CATEGORY_CONFIG, "Audio settings: config save failed key=%s", setting.first); continue;
+        }
+        gui_bridge_post_setting(GUI_SETTING_CHAT, setting.first, value.constData());
     }
 
     m_savedOutputId = outputId;
@@ -381,7 +324,7 @@ void AudioDeviceSettingsPage::applyAndSave() {
     m_savedCompressorRiseRate = compRiseRate;
     m_savedAecEnabled = aecEnabled;
     DEBUG_DEBUG(DEBUG_CATEGORY_CONFIG,
-        "saved output_default=%d input_default=%d codec=%d radioOpus=%d/%dkbps stereo=%d compressor=%d gain=%ddB rise=%.1fx aec=%d",
+        "requested output_default=%d input_default=%d codec=%d radioOpus=%d/%dkbps stereo=%d compressor=%d gain=%ddB rise=%.1fx aec=%d",
                outputId.isEmpty(), inputId.isEmpty(), codecPreset, radioOpusMode, radioOpusBitrate, radioCaptureStereo,
                compEnabled, compMaxGain, (float)compRiseRate, aecEnabled);
 
diff --git a/tools/chatgui/src/audiodevicesettingspage.h b/tools/chatgui/src/audiodevicesettingspage.h
index 7d6b35a1..f7a7b64b 100644
--- a/tools/chatgui/src/audiodevicesettingspage.h
+++ b/tools/chatgui/src/audiodevicesettingspage.h
@@ -1,5 +1,6 @@
 /* Настройки capture/playback, Opus, компрессора, AEC и рации; тест микрофона и динамика.
- * loadFromDb заполняет форму, applyAndSave применяет выбранные значения. */
+ * GUI: loadFromDb заполняет форму, applyAndSave применяет локальные настройки и передаёт собственные снимки мосту.
+ * INI сохраняется синхронно, ui_state/live chat_setting — асинхронно; ошибки логируются, возврат не подтверждает запись в БД. */
 #pragma once
 #include <QWidget>
 #include <QComboBox>