phase 7a: desktop notifications on turn completion

- Daemon tracks per-session state transitions
- Fires freedesktop notification when any session goes non-idle→idle
- 5 second auto-dismiss timeout

daemon/session_manager.cpp

@@ -1,6 +1,7 @@
 #include "session_manager.h"
 #include "libollie.h"
 
+#include <QDBusInterface>
 #include <QDebug>
 #include <QMetaObject>
 
@@ -14,10 +15,9 @@ static void onStateChange(const char *session_id, const char *state)
     if (!g_instance) return;
     QString sid = QString::fromUtf8(session_id);
     QString st = QString::fromUtf8(state);
-    // Marshal to the Qt event loop thread
+    QMetaObject::invokeMethod(g_instance, "handleStateChange",
-    QMetaObject::invokeMethod(g_instance, [sid, st]() {
+        Qt::QueuedConnection,
-        emit g_instance->StateChanged(sid, st);
+        Q_ARG(QString, sid), Q_ARG(QString, st));
-    }, Qt::QueuedConnection);
 }
 
 static void onChatUpdate(const char *session_id, int64_t offset, const char *text, int len)
@@ -103,6 +103,7 @@ bool SessionManager::KillSession(const QString &session_id)
     QByteArray idUtf8 = session_id.toUtf8();
     int rc = ollie_kill_session(const_cast<char*>(idUtf8.constData()));
     if (rc == 0) {
+        m_sessionStates.remove(session_id);
         emit SessionKilled(session_id);
         return true;
     }
@@ -306,3 +307,35 @@ bool SessionManager::PeerSubmit(const QString &session_id, const QString &peer_i
         const_cast<char*>(promptUtf8.constData()));
     return rc == 0;
 }
+
+// --- Notifications ---
+
+void SessionManager::handleStateChange(const QString &session_id, const QString &new_state)
+{
+    QString prev = m_sessionStates.value(session_id, "idle");
+    m_sessionStates[session_id] = new_state;
+
+    if (new_state == "idle" && prev != "idle") {
+        sendNotification("Ollie", "Session " + session_id.left(12) + " finished");
+    }
+
+    emit StateChanged(session_id, new_state);
+}
+
+void SessionManager::sendNotification(const QString &title, const QString &body)
+{
+    QDBusInterface notifyIface(
+        "org.freedesktop.Notifications",
+        "/org/freedesktop/Notifications",
+        "org.freedesktop.Notifications",
+        QDBusConnection::sessionBus());
+    notifyIface.call("Notify",
+        "ollie-kde",                      // app_name
+        (uint)0,                          // replaces_id
+        "system-run",                     // app_icon
+        title,                            // summary
+        body,                             // body
+        QStringList(),                    // actions
+        QVariantMap(),                    // hints
+        (int)5000);                       // timeout ms
+}

daemon/session_manager.h

@@ -5,6 +5,8 @@
 #include <QString>
 #include <QStringList>
 #include <QDBusConnection>
+#include <QDBusInterface>
+#include <QHash>
 
 // SessionManager is the D-Bus adaptee. The generated SessionManagerAdaptor
 // (from qt6_add_dbus_adaptor) forwards D-Bus method calls to slots here.
@@ -62,6 +64,12 @@ signals:
 
 private:
     void installCallbacks();
+    void sendNotification(const QString &title, const QString &body);
+
+    QHash<QString, QString> m_sessionStates;
+
+private slots:
+    void handleStateChange(const QString &session_id, const QString &new_state);
 };
 
 #endif // SESSION_MANAGER_H