优化: AI Chat全栈多批审查修复与架构清理(risk_level清理/路由解耦/工具渲染/测试补测/死代码)

src/composables/ai/useAiPanel.ts

@@ -38,6 +38,9 @@ function applyUiState(s: any) {
   if (typeof s.maximized === 'boolean') state.maximized = s.maximized
   if (typeof s.sidebarOpen === 'boolean') state.sidebarOpen = s.sidebarOpen
   if (typeof s.archivedCollapsed === 'boolean') state.archivedCollapsed = s.archivedCollapsed
+  if (s.foldedGroups && typeof s.foldedGroups === 'object') {
+    state.foldedGroups = { ...state.foldedGroups, ...s.foldedGroups }
+  }
   // 侧栏宽度(UX-2025-16):数值字段,clamp 后写入(与上方 boolean 同级兜底)
   state.sidebarWidth = clampSidebarWidth(s.sidebarWidth)
 }
@@ -63,6 +66,7 @@ export function persistUiState() {
     maximized: state.maximized,
     sidebarOpen: state.sidebarOpen,
     archivedCollapsed: state.archivedCollapsed,
+    foldedGroups: state.foldedGroups,
     // 侧栏宽度(UX-2025-16):拖拽 mouseup 时由 AiChat 调 persistUiState 落盘
     sidebarWidth: state.sidebarWidth,
   })