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/tests/testdata/testconfig.providers

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<knewstuffproviders>
+<!--
+SPDX-FileCopyrightText: none
+SPDX-License-Identifier: CC0-1.0
+-->
+<provider downloadurl="file:///home/leinir/projects/knewstuff/tests/testdata/entry.xml"
+          downloadurl-latest="file:///home/leinir/projects/knewstuff/tests/testdata/entry.xml"
+          downloadurl-score="file:///home/leinir/projects/knewstuff/tests/testdata/entry.xml"
+          downloadurl-downloads="file:///home/leinir/projects/knewstuff/tests/testdata/entry.xml"
+          uploadurl="ftp://somewhere.ftp.server"
+          webservice="http://some.http.server/service.wsdl"
+          icon="start-here-kde"
+          webaccess="http://some.webfrontend.server/">
+  <title lang="en">Some cool stuff</title>
+  <title lang="de">Viele neue Dinge</title>
+</provider>
+<provider downloadurl="file:///home/leinir/projects/knewstuff/tests/testdata/entry2.xml"
+          downloadurl-latest="file:///home/leinir/projects/knewstuff/tests/testdata/entry2.xml"
+          downloadurl-score="file:///home/leinir/projects/knewstuff/tests/testdata/entry2.xml"
+          downloadurl-downloads="file:///home/leinir/projects/knewstuff/tests/testdata/entry2.xml"
+          uploadurl="http://www.ourwebsite.com/"
+          webservice="http://some.http.server/service.wsdl"
+          icon="kde"
+          webaccess="http://some.webfrontend.server/">
+  <title lang="en">Another Place With Coolness</title>
+  <title lang="de">Ein Andere Stelle Mit Coolness</title>
+</provider>
+</knewstuffproviders>