feat: 加载浮层+工作台改回下拉菜单

- load()增加模态加载浮层: 7步进度展示+进度条+逐步渲染
- 工作台切换从竖向平铺改回下拉菜单(带图标)
- 版本号 v1.0.0.39

static/modules/projects.js

@@ -67,19 +67,58 @@ function updateTenantLabel() {
   };
   const container = document.querySelector("#tenantList");
   if (container) {
-    container.innerHTML = tenants.map(t => {
-      const shortName = t.replace("·无界", "");
-      const isActive = t === state.tenant;
-      var icon = tenantIcons[t] || 'circle';
-      return '<div class="flex flex-col items-center cursor-pointer rounded-lg py-1.5 px-1 w-14 transition-colors ' + (isActive ? 'bg-blue-600' : 'hover:bg-slate-800') + '" onclick="switchTenantFromMenu(\'' + t.replace(/'/g, "\\'") + '\')" title="' + esc(t) + '">' +
-        '<i data-lucide="' + icon + '" style="width:20px;height:20px;color:' + (isActive ? '#fff' : '#94a3b8') + '"></i>' +
-        '<span class="text-[10px] mt-1 max-w-[56px] truncate text-center ' + (isActive ? 'text-white' : 'text-slate-400') + '">' + esc(shortName) + '</span>' +
-        '</div>';
-    }).join('');
+    var currentShort = (state.tenant || '').replace("·无界", "");
+    var currentIcon = tenantIcons[state.tenant] || 'circle';
+    container.innerHTML = '<div class="flex flex-col items-center cursor-pointer hover:bg-slate-800 rounded-lg py-2 px-1 w-14 transition-colors" onclick="toggleTenantMenu(event)" title="切换工作台">' +
+      '<i data-lucide="' + currentIcon + '" style="width:20px;height:20px;color:#60a5fa"></i>' +
+      '<span class="text-[10px] mt-1 max-w-[56px] truncate text-center text-slate-300">' + esc(currentShort) + '</span>' +
+      '<i data-lucide="chevron-down" style="width:12px;height:12px;color:#64748b;margin-top:2px"></i>' +
+      '</div>';
     if (window.lucide) window.lucide.createIcons();
   }
 }
 
+window.toggleTenantMenu = (event) => {
+  event.stopPropagation();
+  let menu = document.getElementById("tenantMenu");
+  if (menu) { menu.remove(); return; }
+  const btn = event.currentTarget;
+  const rect = btn.getBoundingClientRect();
+  const tenants = (state.allowedTenants || []).slice().sort(function(a, b) { var order = ['总览','学术·无界','MCN·无界','科普·无界','医患·无界','科研·无界']; var ai = order.indexOf(a); var bi = order.indexOf(b); if (ai < 0) ai = 99; if (bi < 0) bi = 99; return ai - bi; });
+  var tenantIcons = {
+    '学术·无界': 'graduation-cap',
+    'MCN·无界': 'video',
+    '科普·无界': 'flask-conical',
+    '医患·无界': 'stethoscope',
+    '科研·无界': 'microscope',
+    '总览': 'layout-dashboard'
+  };
+  menu = document.createElement("div");
+  menu.id = "tenantMenu";
+  menu.className = "fixed bg-white rounded-lg shadow-xl border border-slate-200 py-1 min-w-[180px] z-[9999]";
+  menu.style.left = Math.min(rect.left - 8, window.innerWidth - 200) + "px";
+  menu.style.top = rect.bottom + 6 + "px";
+  menu.innerHTML = '<div class="px-4 py-2 border-b border-slate-100"><p class="text-xs font-semibold text-slate-500 uppercase tracking-wider">切换工作台</p></div>' +
+    tenants.map(t => {
+      const shortName = t.replace("·无界", "");
+      const isActive = t === state.tenant;
+      var icon = tenantIcons[t] || 'circle';
+      return '<button class="w-full text-left px-4 py-2.5 text-sm hover:bg-slate-50 transition-colors flex items-center gap-3 ' + (isActive ? 'text-blue-600 font-medium bg-blue-50' : 'text-slate-700') + '" onclick="switchTenantFromMenu(\'' + t.replace(/'/g, "\\'") + '\')">' +
+        '<i data-lucide="' + icon + '" style="width:16px;height:16px;color:' + (isActive ? '#2563eb' : '#94a3b8') + '"></i>' +
+        '<span class="flex-1">' + esc(shortName) + '</span>' +
+        (isActive ? '<i data-lucide="check" style="width:14px;height:14px;color:#2563eb"></i>' : '') +
+        '</button>';
+    }).join('');
+  document.body.appendChild(menu);
+  if (window.lucide) window.lucide.createIcons();
+  setTimeout(() => {
+    document.addEventListener("click", function closeMenu() {
+      menu.remove();
+      document.removeEventListener("click", closeMenu);
+    }, { once: true });
+  }, 10);
+};
+
 window.toggleUserMenu = (user) => {
   let menu = document.getElementById("userMenu");
   if (menu) { menu.remove(); return; }