milestone: 22 KF6 enabled, blake3 placeholders removed, text-login fixed

- kf6-knewstuff/kwallet: removed all-zero blake3 placeholders
- CONSOLE-TO-KDE-DESKTOP-PLAN.md: 20→22 KF6 enabled count
- BOOT-PROCESS-IMPROVEMENT-PLAN.md: text-login→graphical greeter path
- D-Bus session/kwin compositor/sessiond enhancements from Wave tasks
- Only kirigami remains suppressed (QML-dependent, environmental gate)

Zero warnings. 24 commits total.

local/recipes/kde/kf6-knewstuff/source/src/qtquick/qmlplugin.h

@@ -0,0 +1,22 @@
+/*
+    SPDX-FileCopyrightText: 2016 Dan Leinir Turthra Jensen <admin@leinir.dk>
+
+    SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
+*/
+
+#ifndef _QML_PLUGIN_H
+#define _QML_PLUGIN_H
+
+#include <QQmlExtensionPlugin>
+
+// TODO KF6 just make this a c++ file only plugin
+class QmlPlugins : public QQmlExtensionPlugin
+{
+    Q_OBJECT
+    Q_PLUGIN_METADATA(IID "org.qt-project.Qt.QQmlExtensionInterface")
+public:
+    void initializeEngine(QQmlEngine *engine, const char *uri) override;
+    void registerTypes(const char *uri) override;
+};
+
+#endif