feat(users): govern profiles and access

Normalize fixed profile fields, profile actions, and the five-column capability matrix for comments, uploads, and downloads.

assets/js/author.js

@@ -258,8 +258,50 @@
     });
   }
 
+  function initCoverMenus() {
+    document.querySelectorAll('[data-aksrt-menu]').forEach(function (menu) {
+      if (menu.dataset.aksrtMenuBound === '1') return;
+      menu.dataset.aksrtMenuBound = '1';
+      var trigger = menu.querySelector('.aksrt-cover-menu__trigger');
+      var panel = menu.querySelector('.aksrt-cover-menu__panel');
+      if (!trigger || !panel) return;
+      function close() { panel.hidden = true; trigger.setAttribute('aria-expanded', 'false'); }
+      function open() {
+        document.querySelectorAll('[data-aksrt-menu]').forEach(function (otherMenu) {
+          if (otherMenu === menu) return;
+          var otherPanel = otherMenu.querySelector('.aksrt-cover-menu__panel');
+          var otherTrigger = otherMenu.querySelector('.aksrt-cover-menu__trigger');
+          if (otherPanel) otherPanel.hidden = true;
+          if (otherTrigger) otherTrigger.setAttribute('aria-expanded', 'false');
+        });
+        panel.hidden = false;
+        trigger.setAttribute('aria-expanded', 'true');
+        var first = panel.querySelector('[role="menuitem"]');
+        if (first) first.focus();
+      }
+      trigger.addEventListener('click', function () { panel.hidden ? open() : close(); });
+      menu.addEventListener('keydown', function (event) { if (event.key === 'Escape') { close(); trigger.focus(); } });
+      document.addEventListener('pointerdown', function (event) { if (!menu.contains(event.target)) close(); });
+    });
+  }
+
+  function initProfileDetailsModal() {
+    var modal = document.getElementById('aksrt-profile-details-modal');
+    if (!modal) return;
+    var dialog = modal.querySelector('.aksrt-profile-details-modal__dialog');
+    var returnFocus = null;
+    function close() { modal.hidden = true; if (returnFocus) returnFocus.focus(); }
+    document.querySelectorAll('[data-aksrt-profile-details]').forEach(function (button) {
+      button.addEventListener('click', function () { returnFocus = button; modal.hidden = false; if (dialog) dialog.focus(); });
+    });
+    modal.querySelectorAll('[data-aksrt-modal-close]').forEach(function (button) { button.addEventListener('click', close); });
+    document.addEventListener('keydown', function (event) { if (event.key === 'Escape' && !modal.hidden) close(); });
+  }
+
   function init() {
     initPublicDashboards();
+    initCoverMenus();
+    initProfileDetailsModal();
     initCoverUpload();
     initAvatarUpload();
   }