diff --git a/control-prs/probe-o87-wts-token-20260819-12.txt b/control-prs/probe-o87-wts-token-20260819-12.txt
new file mode 100644
index 0000000000..bf9e862244
--- /dev/null
+++ b/control-prs/probe-o87-wts-token-20260819-12.txt
@@ -0,0 +1,4 @@
+requested_by=ChatGPT
+machine=DESKTOP-O87PJNR
+case_id=0004
+purpose=use WTSQueryUserToken on GoogleDriveFS session to prove bounded G drive access