diff --git a/tools/chatgui/CMakeLists.txt b/tools/chatgui/CMakeLists.txt
index 167fce8f..c4beeb9c 100644
--- a/tools/chatgui/CMakeLists.txt
+++ b/tools/chatgui/CMakeLists.txt
@@ -121,6 +121,7 @@ add_executable(vibechat
     src/qrcode_utils.cpp
     src/invite_link.cpp
     src/invitedialog.cpp
+    src/dminvitedialog.cpp
     src/inviteby.cpp
     src/joindialog.cpp
     src/settingsdialog.cpp
diff --git a/tools/chatgui/src/dminvitedialog.cpp b/tools/chatgui/src/dminvitedialog.cpp
new file mode 100644
index 00000000..2697eb6f
--- /dev/null
+++ b/tools/chatgui/src/dminvitedialog.cpp
@@ -0,0 +1,101 @@
+#include "dminvitedialog.h"
+#include "debug_ui.h"
+#include "../db/db_manager.h"
+#include "../transport/gui_bridge.h"
+#include <QApplication>
+#include <QComboBox>
+#include <QDialogButtonBox>
+#include <QLabel>
+#include <QPushButton>
+#include <QVBoxLayout>
+#include <cstring>
+
+extern "C" {
+#include "dm/dm_core.h"
+#include "chat/chat_join.h"
+#include "../../../lib/mem.h"
+}
+
+DmInviteDialog::DmInviteDialog(DbManager* db, quint64 peer, const QString& name, const QString& source, QWidget* parent)
+    : QDialog(parent), m_peer(peer), m_name(name), m_source(source) {
+    setWindowTitle(QStringLiteral("Пригласить в группу"));
+    setMinimumWidth(400);
+    auto* layout = new QVBoxLayout(this);
+    layout->addWidget(new QLabel(QStringLiteral("Получатель: %1").arg(name), this));
+    m_groups = new QComboBox(this);
+    for (const auto& group : db->getChannels()) m_groups->addItem(group.name, group.channelId);
+    m_groups->setCurrentIndex(-1);
+    m_groups->setPlaceholderText(QStringLiteral("Выберите группу"));
+    layout->addWidget(m_groups);
+    auto* expiry = new QLabel(QStringLiteral("Ссылка действует %1 минут с момента создания.\n"
+        "При поздней доставке PM потребуется новое приглашение.").arg(JOIN_KEY_TTL_SECONDS / 60), this);
+    expiry->setWordWrap(true);
+    layout->addWidget(expiry);
+    m_status = new QLabel(this);
+    m_status->setWordWrap(true);
+    if (m_groups->count() == 0) m_status->setText(QStringLiteral("Нет групп для приглашения."));
+    layout->addWidget(m_status);
+    auto* buttons = new QDialogButtonBox(QDialogButtonBox::Cancel, this);
+    buttons->button(QDialogButtonBox::Cancel)->setText(QStringLiteral("Отмена"));
+    m_send = buttons->addButton(QStringLiteral("Пригласить"), QDialogButtonBox::AcceptRole);
+    m_send->setEnabled(false);
+    layout->addWidget(buttons);
+    connect(buttons, &QDialogButtonBox::rejected, this, &QDialog::reject);
+    connect(m_send, &QPushButton::clicked, this, &DmInviteDialog::sendInvite);
+    connect(m_groups, QOverload<int>::of(&QComboBox::currentIndexChanged), this, [this](int index) {
+        m_send->setEnabled(index >= 0 && !m_pending);
+    });
+    gui_bridge_set_dm_invite_result_cb([](const uint8_t* data, int len) {
+        auto* dialog = qobject_cast<DmInviteDialog*>(QApplication::activeModalWidget());
+        if (dialog) dialog->onResult(data, len);
+    });
+    GUI_INFO("invite PM dialog: opened peer=%llu source=%s groups=%d", (unsigned long long)peer,
+             qPrintable(source), m_groups->count());
+}
+
+DmInviteDialog::~DmInviteDialog() {
+    gui_bridge_set_dm_invite_result_cb(nullptr);
+    if (m_pending && gui_bridge_is_uasync_ready() && gui_bridge_get_inst()) {
+        auto* req = (struct dm_invite_req*)u_calloc(1, sizeof(struct dm_invite_req));
+        if (!req) { GUI_ERROR("invite PM: cancel allocation failed"); return; }
+        req->inst = gui_bridge_get_inst(); req->request_id = m_requestId; req->cancel = 1;
+        gui_bridge_post_uasync_fn(dm_invite_trampoline, req);
+    }
+    GUI_INFO("invite PM dialog: closed peer=%llu pending=%d", (unsigned long long)m_peer, m_pending);
+}
+
+void DmInviteDialog::sendInvite() {
+    if (m_pending || m_groups->currentIndex() < 0) return;
+    if (!gui_bridge_is_uasync_ready() || !gui_bridge_get_inst()) {
+        GUI_ERROR("invite PM: core unavailable");
+        m_status->setText(QStringLiteral("Ядро не запущено.")); return;
+    }
+    auto* req = (struct dm_invite_req*)u_calloc(1, sizeof(struct dm_invite_req));
+    if (!req) { GUI_ERROR("invite PM: request allocation failed"); m_status->setText(QStringLiteral("Недостаточно памяти.")); return; }
+    static uint64_t nextRequestId = 0;
+    req->inst = gui_bridge_get_inst(); req->request_id = m_requestId = ++nextRequestId; req->peer_node_id = m_peer;
+    req->channel_id = m_groups->currentData().toString().toULongLong();
+    snprintf(req->source_ch_id, sizeof(req->source_ch_id), "%s", qPrintable(m_source));
+    snprintf(req->peer_name, sizeof(req->peer_name), "%s", m_name.toUtf8().constData());
+    m_pending = true;
+    m_groups->setEnabled(false); m_send->setEnabled(false);
+    m_status->setText(QStringLiteral("Создание и отправка приглашения…"));
+    gui_bridge_post_uasync_fn(dm_invite_trampoline, req);
+}
+
+void DmInviteDialog::onResult(const uint8_t* data, int len) {
+    if (!data || len != 28) { GUI_ERROR("invite PM: invalid result bytes=%d", len); return; }
+    uint64_t request, peer, conv; int32_t result;
+    memcpy(&request, data, 8); memcpy(&result, data + 8, 4);
+    memcpy(&peer, data + 12, 8); memcpy(&conv, data + 20, 8);
+    if (!m_pending || request != m_requestId || peer != m_peer) return;
+    m_pending = false;
+    if (result == DM_INVITE_OK) { m_convId = QString::number(conv); accept(); return; }
+    const QString error = result == DM_INVITE_START_ERROR ? QStringLiteral("Не удалось создать личную беседу.")
+        : result == DM_INVITE_SEND_ERROR ? QStringLiteral("Не удалось отправить приглашение.")
+        : result == DM_INVITE_BUSY ? QStringLiteral("Другое приглашение ещё создаётся. Повторите попытку.")
+        : result == DM_INVITE_CANCELLED ? QStringLiteral("Создание приглашения отменено.")
+        : QStringLiteral("Не удалось создать приглашение. Проверьте подключение и повторите попытку.");
+    GUI_ERROR("invite PM dialog: failed request=%llu result=%d", (unsigned long long)request, result);
+    m_status->setText(error); m_groups->setEnabled(true); m_send->setEnabled(m_groups->currentIndex() >= 0);
+}
diff --git a/tools/chatgui/src/dminvitedialog.h b/tools/chatgui/src/dminvitedialog.h
new file mode 100644
index 00000000..02023bc2
--- /dev/null
+++ b/tools/chatgui/src/dminvitedialog.h
@@ -0,0 +1,30 @@
+/* Выбор группы для приглашения фиксированного собеседника в PM.
+ * Закрытие отменяет ожидающую регистрацию; результат сопоставляется по request_id. */
+#pragma once
+
+#include <QDialog>
+#include <QString>
+#include <cstdint>
+
+class DbManager;
+class QComboBox;
+class QLabel;
+class QPushButton;
+
+class DmInviteDialog : public QDialog {
+    Q_OBJECT
+public:
+    DmInviteDialog(DbManager* db, quint64 peer, const QString& name, const QString& source, QWidget* parent = nullptr);
+    ~DmInviteDialog() override;
+    QString conversationId() const { return m_convId; }
+
+private:
+    void sendInvite();
+    void onResult(const uint8_t* data, int len);
+    quint64 m_peer, m_requestId = 0;
+    QString m_name, m_source, m_convId;
+    QComboBox* m_groups;
+    QLabel* m_status;
+    QPushButton* m_send;
+    bool m_pending = false;
+};