Record isolated startup of Windows 0.1.3 installer contents

docs/WINDOWS-0.1.3.md

@@ -11,3 +11,9 @@ Installer: 100462955 bytes, SHA-256
 Public unauthenticated full installer and checksum downloads matched local bytes.
 Existing user installation was not modified. Clean-machine installation, upgrade,
 native UI media playback and physical GPU tests remain open.
+
+Post-publication extracted-app smoke check: owned PID 18184 started with an
+isolated profile and responded. Its bundled genuine Google query worker
+started with `--device cpu --role query --threads 1`. Only the owned test tree
+was terminated. Existing user app PID 7716 remained responsive. This checks
+process startup, not native UI interaction or first-query latency.