feat(cua): release 0.38.0+artemis.1 with verified shell observation

Upgrade the pinned driver, validate menu and taskbar focus ownership, patch untitled Shell resolution, and remove duplicate scroll scaling. Publish package provenance, verification boundaries and matching marketplace checksum. Go tests, vet, build and byte-level package verification passed.

plugins/cua-driver/windows.go

@@ -45,8 +45,16 @@ func verifyWindow(pid, hwnd int64, b obj) (obj, bool) {
 	}
 	var r struct{ L, T, R, B int32 }
 	code, _, _ := syscall.NewLazyDLL("dwmapi.dll").NewProc("DwmGetWindowAttribute").Call(uintptr(hwnd), 9, uintptr(unsafe.Pointer(&r)), unsafe.Sizeof(r))
-	if code != 0 {
-		return nil, false
+	if code != 0 || r.R <= r.L || r.B <= r.T {
+		// Shell menus/taskbars can lack a DWM extended frame. Match their
+		// actual HWND rectangle; never substitute desktop or another window.
+		if shellKind(windowClass(hwnd)) == "" {
+			return nil, false
+		}
+		ok, _, _ := user32.NewProc("GetWindowRect").Call(uintptr(hwnd), uintptr(unsafe.Pointer(&r)))
+		if ok == 0 {
+			return nil, false
+		}
 	}
 	// Cua uses DWM physical bounds; refuse evidence after a window move/resize.
 	if int64(r.L) != num(b["left"]) || int64(r.T) != num(b["top"]) || int64(r.R-r.L) != num(b["width"]) || int64(r.B-r.T) != num(b["height"]) {