First commit

frontend/app/composables/useArticleActionsMenu.ts

@@ -0,0 +1,15 @@
+/* The open state of the article's ⋮ actions menu, shared like the other
+   popups: the book's Esc handler defers to whatever popup is on top, and the
+   menu steps aside when search or settings opens — popups don't stack. */
+export function useArticleActionsMenu() {
+  const open = useState<boolean>('article-actions-menu:open', () => false)
+
+  function show() {
+    open.value = true
+  }
+  function hide() {
+    open.value = false
+  }
+
+  return { open, show, hide }
+}