commit mostly nonworking code

include/quit_trace.h

@@ -0,0 +1,9 @@
+#pragma once
+
+// Detours UnityEngine.Application.Quit() / Quit(int) to log the managed caller and (optionally)
+// suppress the shutdown. See src/unity/quit_trace.c.
+void PatchQuitTrace(void);
+
+// Call-through hooks on kernel32!ExitProcess / !TerminateProcess that log who tore the process
+// down. Installed by PatchQuitTrace; separate entry point so it can be used standalone.
+void HookProcessExit(void);