diff --git a/app/qml/Main.qml b/app/qml/Main.qml
index 2f8dc9a..c5c8f09 100644
--- a/app/qml/Main.qml
+++ b/app/qml/Main.qml
@@ -374,6 +374,7 @@ ApplicationWindow {
 
             ChatView {
                 id: chat
+                objectName: "chatView"
                 Layout.fillWidth: true
                 Layout.fillHeight: true
                 model: transcript
diff --git a/app/src/ui/UiTest.cpp b/app/src/ui/UiTest.cpp
index 48bbec0..d7c5f7d 100644
--- a/app/src/ui/UiTest.cpp
+++ b/app/src/ui/UiTest.cpp
@@ -146,6 +146,27 @@ QPoint centre(QQuickItem *it) {
   return p.toPoint();
 }
 
+/* Is this item's centre really reachable? isVisible() answers whether hiding
+ * was asked for, not whether a clipping ancestor (a scrolling view) has moved
+ * it out of sight -- and an event goes to whatever is at that point instead. */
+bool onScreen(QQuickItem *it) {
+  if (!it || !it->isVisible() || it->width() <= 0 || it->height() <= 0)
+    return false;
+  QQuickWindow *win = it->window();
+  if (!win)
+    return false;
+  const QPointF p = it->mapToScene(QPointF(it->width() / 2, it->height() / 2));
+  if (!QRectF(0, 0, win->width(), win->height()).contains(p))
+    return false;
+  for (QQuickItem *a = it->parentItem(); a; a = a->parentItem()) {
+    if (!a->clip())
+      continue;
+    if (!a->mapRectToScene(QRectF(0, 0, a->width(), a->height())).contains(p))
+      return false;
+  }
+  return true;
+}
+
 void clickMouse(QQuickWindow *win, const QString &name) {
   QQuickItem *it = item(win, name);
   if (!it || !it->isVisible()) {
@@ -437,19 +458,59 @@ int runUiTest(AgentCore &core, const QString &size) {
               item(win, QStringLiteral("fileShare0")) != nullptr,
           QStringLiteral("the card carries open and share"));
     win->setProperty("statusText", QString());
+    /* A click goes to whatever is at that point, and the transcript replays
+     * from its bottom: on a phone-sized window the card can be above the
+     * visible part, where isVisible() still says yes (it does not know about
+     * the view's clipping) and the click lands on the row that happens to be
+     * there. Scroll it in first, which is what a person does -- and stop the
+     * view following its tail (ChatView.stickBottom), or the scroll is undone
+     * by the next content change. */
+    if (list && !onScreen(item(win, QStringLiteral("fileOpen0")))) {
+      QQuickItem *button = item(win, QStringLiteral("fileOpen0"));
+      QQuickItem *chat = item(win, QStringLiteral("chatView"));
+      if (chat)
+        chat->setProperty("stickBottom", false);
+      const double contentY = list->property("contentY").toDouble();
+      const double y = button->mapToItem(list, QPointF(0, 0)).y() + contentY;
+      const double lowest =
+          list->property("contentHeight").toDouble() - list->height();
+      note(QStringLiteral("the card is out of the viewport (contentY %1, card "
+                          "at %2 of %3): scrolling to it")
+               .arg(contentY)
+               .arg(y)
+               .arg(list->property("contentHeight").toDouble()));
+      list->setProperty("contentY", qBound(0.0, y - list->height() / 2, lowest));
+      QTest::qWait(150);
+    }
     clickMouse(win, QStringLiteral("fileOpen0"));
-    /* This button lives in the scrolling transcript, and on the NX789J the
-     * synthesized mouse click does not reach a button there -- the same click
-     * lands in the header and in the sidebar. What a phone has is a finger, so
-     * try that too, and say in the message which one it took: neither is a
-     * failure to hide. */
+    /* What the card itself hands the engine ("rel" is the name the store keeps
+     * the file under), and whether it is really on screen: a card outside the
+     * viewport takes the events meant for it, and the card's own line is where
+     * the engine puts its refusal. */
+    QStringList rels;
+    QString cardSays;
+    QList<QQuickItem *> strips;
+    collectNamed(win->contentItem(), QStringLiteral("imageStrip"), &strips);
+    for (QQuickItem *s : strips) {
+      const QVariantList files = s->property("files").toList();
+      for (const QVariant &f : files)
+        rels << f.toMap().value(QStringLiteral("rel")).toString();
+      if (cardSays.isEmpty())
+        cardSays = s->property("errorText").toString();
+    }
     const bool byMouse = !win->property("statusText").toString().isEmpty();
     if (!byMouse)
       tapTouch(win, touch, QStringLiteral("fileOpen0"));
     const QString opened = win->property("statusText").toString();
     check(opened.startsWith(QLatin1String("opened ")),
-          QStringLiteral("Open hands the file to the system (%1%2)")
-              .arg(opened, byMouse ? QString() : QStringLiteral(" after a tap")));
+          QStringLiteral("Open hands the file to the system (%1%2; cards hold '%3', "
+                         "%4, card says '%5')")
+              .arg(opened, byMouse ? QString() : QStringLiteral(" after a tap"),
+                   rels.join(QLatin1String(", ")),
+                   onScreen(item(win, QStringLiteral("fileOpen0")))
+                       ? QStringLiteral("on screen")
+                       : QStringLiteral("out of the viewport"),
+                   cardSays));
     win->setProperty("statusText", QString());
     clickMouse(win, QStringLiteral("fileShare0"));
     const bool shareByMouse = !win->property("statusText").toString().isEmpty();
@@ -457,8 +518,9 @@ int runUiTest(AgentCore &core, const QString &size) {
       tapTouch(win, touch, QStringLiteral("fileShare0"));
     const QString shared = win->property("statusText").toString();
     check(shared.contains(QLatin1String("report.md")),
-          QStringLiteral("Share names the file (%1%2)")
-              .arg(shared, shareByMouse ? QString() : QStringLiteral(" after a tap")));
+          QStringLiteral("Share names the file (%1%2; card says '%3')")
+              .arg(shared, shareByMouse ? QString() : QStringLiteral(" after a tap"),
+                   cardSays));
     const QString refused =
         core.openArtifact(QStringLiteral("art-not-one-of-ours.md"));
     check(refused.contains(QLatin1String("no such file")),