Document published Windows 0.1.1 and verified release artifacts

docs/ROADMAP.md

@@ -8,6 +8,9 @@ large-library checks are deferred follow-up, not blockers for this initial
 release. Keep their evidence and unchecked production gates intact.
 - [x] Publish v0.1.0 Windows installer/checksum, verify public download bytes,
   install on DEV-WIN11 and leave the app running with a desktop launcher.
+- [x] Publish Windows desktop v0.1.1 with single-instance handling; verify public
+  bytes and isolated genuine Google CPU launch. Existing user installation is
+  not automatically upgraded. See [release evidence](WINDOWS-0.1.1.md).
 
 ## Required product scope (user clarification)