Snapshot phone entry list during redraw

main_test.go

@@ -821,6 +821,31 @@ func TestUIPhoneListPanelWithExpandedGroupControlsAndEntriesDoesNotPanic(t *test
 	_ = u.listPanel(gtx)
 }
 
+func TestUIVisibleEntrySnapshotIsStableAfterVisibleMutation(t *testing.T) {
+	t.Parallel()
+
+	u := newUIWithModel("phone", vault.Model{
+		Entries: []vault.Entry{
+			{ID: "1", Title: "Alpha", Path: []string{"Crew", "Internet"}},
+			{ID: "2", Title: "Beta", Path: []string{"Crew", "Internet"}},
+		},
+	})
+	u.state.NavigateToPath([]string{"Crew", "Internet"})
+	u.filter()
+
+	visible, clicks := u.visibleEntrySnapshot()
+	if len(visible) != 2 || len(clicks) != 2 {
+		t.Fatalf("snapshot lengths = (%d, %d), want (2, 2)", len(visible), len(clicks))
+	}
+
+	u.visible = u.visible[:1]
+	u.entryClicks = u.entryClicks[:1]
+
+	if got := visible[1].Title; got != "Beta" {
+		t.Fatalf("visible snapshot second title = %q, want Beta", got)
+	}
+}
+
 func TestUIPhoneBackReturnsFromSubscreenToEntries(t *testing.T) {
 	t.Parallel()