WIP count feature

src/ui/popup/context_menu.rs

@@ -722,6 +722,12 @@ fn idle_rows(
         t!("Quick Select...").into_owned(),
         MenuAction::QuickSelect,
     )));
+    // Count the selected objects, or start a count.
+    rows.push(MenuRow::Item(if has_selection {
+        cmd(t!("Count Selection").into_owned(), "COUNT _C")
+    } else {
+        cmd(t!("Count menu").into_owned(), "COUNT")
+    }));
     rows.push(MenuRow::Separator);
 
     // ── Panels ─────────────────────────────────────────────────────────