The task and thread families are plain ksys::

They link in the same block as the plain-ksys:: Message family.
getItemValue and applyScreenFade sit in engine UI TUs, hence ksys::ui.

(AI assisted using Claude Fable 5.1 and Claude Opus 5.5)

src/KingSystem/Utils/Thread/GameTaskThread.cpp

@@ -1,6 +1,6 @@
 #include "KingSystem/Utils/Thread/GameTaskThread.h"
 
-namespace ksys::util {
+namespace ksys {
 
 GameTaskThread::GameTaskThread(const sead::SafeString& name, sead::Heap* heap, s32 priority,
                                sead::MessageQueue::BlockType block_type, long quit_msg,
@@ -12,4 +12,4 @@ void GameTaskThread::quit(bool) {
     Thread::quit(false);
 }
 
-}  // namespace ksys::util
+}  // namespace ksys