fix(data): 增加全局保存失败保护

apps/web/stores/useTaskCategoryStore.ts

@@ -2,12 +2,9 @@
 import { create } from 'zustand';
 import type { TaskCategory, CategoryGroup } from '@/lib/task-category';
 import { PRESET_CATEGORIES, normalizeTaskCategories, resolveAiTaskCategoryByName } from '@/lib/task-category';
+import { scheduleSaveWithOptimisticRollback } from '@/lib/optimistic-persistence';
 import { loadServerData, saveServerData, SERVER_DATA_CACHE_MS } from '@/lib/server-data';
 
-function saveStored(items: TaskCategory[]) {
-  saveServerData('task-categories', items).catch(() => {});
-}
-
 let lastCategoriesFetchAt = 0;
 
 async function loadStored(): Promise<TaskCategory[] | null> {
@@ -52,30 +49,53 @@ export const useTaskCategoryStore = create<TaskCategoryState>((set, get) => ({
     };
     const updated = [...list, item];
     set({ categories: updated, loaded: true });
-    saveStored(updated);
+    scheduleSaveWithOptimisticRollback({
+      save: () => saveServerData('task-categories', updated),
+      expected: updated,
+      getCurrent: () => get().categories,
+      rollback: () => set({ categories: list, loaded: true }),
+    });
   },
 
   ensureCategory: (name, group, options) => {
+    const previous = get().categories;
     const result = resolveAiTaskCategoryByName(get().categories, name, group, options);
     if (result.created) {
       set({ categories: result.categories, loaded: true });
-      saveStored(result.categories);
+      scheduleSaveWithOptimisticRollback({
+        save: () => saveServerData('task-categories', result.categories),
+        expected: result.categories,
+        getCurrent: () => get().categories,
+        rollback: () => set({ categories: previous, loaded: true }),
+      });
     }
     return result.category;
   },
 
   updateCategory: (id, data) => {
-    const updated = get().categories.map((c) => (c.id === id ? { ...c, ...data } : c));
+    const previous = get().categories;
+    const updated = previous.map((c) => (c.id === id ? { ...c, ...data } : c));
     set({ categories: updated, loaded: true });
-    saveStored(updated);
+    scheduleSaveWithOptimisticRollback({
+      save: () => saveServerData('task-categories', updated),
+      expected: updated,
+      getCurrent: () => get().categories,
+      rollback: () => set({ categories: previous, loaded: true }),
+    });
   },
 
   deleteCategory: (id) => {
     const target = get().categories.find((c) => c.id === id);
     if (!target || target.isSystem) return false;
-    const updated = get().categories.filter((c) => c.id !== id);
+    const previous = get().categories;
+    const updated = previous.filter((c) => c.id !== id);
     set({ categories: updated, loaded: true });
-    saveStored(updated);
+    scheduleSaveWithOptimisticRollback({
+      save: () => saveServerData('task-categories', updated),
+      expected: updated,
+      getCurrent: () => get().categories,
+      rollback: () => set({ categories: previous, loaded: true }),
+    });
     return true;
   },
 }));