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/utils.js

@@ -115,18 +115,81 @@ function renderTable(headers, rows, rowClicks) {
   `);
 }
 
+var _loadingSteps = [
+  { fn: 'renderHome', label: '正在加载首页仪表盘（指标卡片+图表）' },
+  { fn: 'renderProjects', label: '正在加载业务机会列表' },
+  { fn: 'renderProposals', label: '正在加载业务方案列表' },
+  { fn: 'renderProducts', label: '正在加载产品迭代列表' },
+  { fn: 'renderPerformance', label: '正在加载绩效管理' },
+  { fn: 'renderFinance', label: '正在加载财务模块（表格+总览+图表）' },
+  { fn: 'renderPlan', label: '正在加载计划预算' },
+];
+
+function showLoadingOverlay(steps) {
+  var existing = document.getElementById('_loadingOverlay');
+  if (existing) existing.remove();
+  var stepsHtml = steps.map(function(s, i) {
+    return '<div id="_loadingStep_' + i + '" class="flex items-center gap-3 py-1.5 text-sm ' + (i === 0 ? 'text-blue-600 font-medium' : 'text-slate-400') + '">' +
+      '<span class="w-4 h-4 flex items-center justify-center">' + (i === 0 ? '<svg class="animate-spin" width="14" height="14" viewBox="0 0 24 24" fill="none"><circle cx="12" cy="12" r="10" stroke="currentColor" stroke-width="3" opacity="0.25"/><path d="M12 2a10 10 0 0 1 10 10" stroke="currentColor" stroke-width="3" stroke-linecap="round"/></svg>' : '<span class="w-2 h-2 rounded-full bg-slate-300"></span>') + '</span>' +
+      '<span>' + s.label + '</span>' +
+      '</div>';
+  }).join('');
+  var overlay = document.createElement('div');
+  overlay.id = '_loadingOverlay';
+  overlay.className = 'fixed inset-0 z-[99999] flex items-center justify-center bg-black/50';
+  overlay.innerHTML = '<div class="bg-white rounded-2xl shadow-2xl px-8 py-6 w-full max-w-md">' +
+    '<h3 class="text-base font-bold text-slate-800 mb-1">正在加载工作台</h3>' +
+    '<p class="text-xs text-slate-400 mb-4">共 ' + steps.length + ' 个模块，请稍候…</p>' +
+    '<div id="_loadingSteps">' + stepsHtml + '</div>' +
+    '<div class="mt-4 h-1 bg-slate-100 rounded-full overflow-hidden"><div id="_loadingProgress" class="h-full bg-blue-600 transition-all duration-300" style="width:0%"></div></div>' +
+    '</div>';
+  document.body.appendChild(overlay);
+}
+
+function updateLoadingStep(idx, total) {
+  var stepEl = document.getElementById('_loadingStep_' + idx);
+  if (stepEl) {
+    stepEl.className = 'flex items-center gap-3 py-1.5 text-sm text-green-600 font-medium';
+    stepEl.querySelector('span:first-child').innerHTML = '<svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"></polyline></svg>';
+  }
+  var nextEl = document.getElementById('_loadingStep_' + (idx + 1));
+  if (nextEl) {
+    nextEl.className = 'flex items-center gap-3 py-1.5 text-sm text-blue-600 font-medium';
+    nextEl.querySelector('span:first-child').innerHTML = '<svg class="animate-spin" width="14" height="14" viewBox="0 0 24 24" fill="none"><circle cx="12" cy="12" r="10" stroke="currentColor" stroke-width="3" opacity="0.25"/><path d="M12 2a10 10 0 0 1 10 10" stroke="currentColor" stroke-width="3" stroke-linecap="round"/></svg>';
+  }
+  var progress = document.getElementById('_loadingProgress');
+  if (progress) progress.style.width = Math.round((idx + 1) / total * 100) + '%';
+}
+
+function hideLoadingOverlay() {
+  var overlay = document.getElementById('_loadingOverlay');
+  if (overlay) overlay.remove();
+}
+
 async function load() {
+  showLoadingOverlay(_loadingSteps);
   state.data = await api(`/api/bootstrap?tenant=${encodeURIComponent(state.tenant)}`);
   // 首次加载时确保标准资料库 7 项已初始化
   if (typeof ensureStandardProposals === "function") {
     const existing = (state.data.proposals || []).filter(p => p.proposal_type === "标准资料");
     const missingCount = 7 - existing.length;
     if (missingCount > 0) {
+      hideLoadingOverlay();
       await ensureStandardProposals();
       return;  // ensureStandardProposals 内部会再次 render
     }
   }
-  render();
+  // 逐步渲染
+  for (var i = 0; i < _loadingSteps.length; i++) {
+    var step = _loadingSteps[i];
+    if (typeof window[step.fn] === 'function') {
+      window[step.fn]();
+    }
+    updateLoadingStep(i, _loadingSteps.length);
+    await new Promise(function(r) { setTimeout(r, 50); });
+  }
+  if (window.lucide) window.lucide.createIcons();
+  setTimeout(hideLoadingOverlay, 300);
 }
 
 function switchTab(tab) {