First commit

frontend/app/composables/useProfileMenu.ts

@@ -0,0 +1,20 @@
+/* Shared open state for the profile popup (ProfileModal.vue), shaped like
+   useSettings and useSignInPopup. The account row in the sidebar flips this
+   flag; the popup itself owns the account form. */
+export function useProfileMenu() {
+  const open = useState<boolean>('profile:open', () => false)
+
+  function show() {
+    open.value = true
+  }
+
+  function hide() {
+    open.value = false
+  }
+
+  function toggle() {
+    open.value = !open.value
+  }
+
+  return { open, show, hide, toggle }
+}