v0.1.1: 多Agent代码质量审查+优化

- fix: useCodeMirror onChange闭包过期导致编辑器内容丢失同步(P0)
- feat: 全部组件添加displayName(React DevTools调试支持)
- feat: 全部组件添加ARIA属性(WCAG无障碍支持)
- fix: App异步操作添加try-catch错误边界
- fix: tabStore空catch块添加错误日志
- fix: sidebarStore Set→string[](Zustand可序列化)
- fix: useDragDrop readFile错误处理+空文件修复
- fix: useSettings/useTheme load()添加错误处理
- fix: useTheme toggleDarkMode引用优化
- chore: 版本号升级至0.1.1

src/renderer/stores/sidebarStore.ts

@@ -6,7 +6,7 @@ interface SidebarState {
   isVisible: boolean
   rootPath: string | null
   tree: FileNode[]
-  expandedDirs: Set<string>
+  expandedDirs: string[]
   sidebarWidth: number
   _loaded: boolean
 
@@ -23,7 +23,7 @@ export const useSidebarStore = create<SidebarState>((set, get) => ({
   isVisible: true,
   rootPath: null,
   tree: [],
-  expandedDirs: new Set<string>(),
+  expandedDirs: [],
   sidebarWidth: 240,
   _loaded: false,
 
@@ -50,26 +50,17 @@ export const useSidebarStore = create<SidebarState>((set, get) => ({
   setRootPath: (path) => set({ rootPath: path }),
   setTree: (tree) => set({ tree }),
   toggleDir: (path) =>
-    set(state => {
-      const newSet = new Set(state.expandedDirs)
-      if (newSet.has(path)) {
-        newSet.delete(path)
-      } else {
-        newSet.add(path)
-      }
-      return { expandedDirs: newSet }
-    }),
+    set(state => ({
+      expandedDirs: state.expandedDirs.includes(path)
+        ? state.expandedDirs.filter(p => p !== path)
+        : [...state.expandedDirs, path]
+    })),
   expandDirs: (paths) =>
     set(state => {
-      const newSet = new Set(state.expandedDirs)
-      let changed = false
-      for (const p of paths) {
-        if (!newSet.has(p)) {
-          newSet.add(p)
-          changed = true
-        }
-      }
-      return changed ? { expandedDirs: newSet } : state
+      const newDirs = paths.filter(p => !state.expandedDirs.includes(p))
+      return newDirs.length > 0
+        ? { expandedDirs: [...state.expandedDirs, ...newDirs] }
+        : state
     }),
   setSidebarWidth: (width) => {
     set({ sidebarWidth: width })