feat(schedule): 待办提醒推送、行事历仅展示提醒与管理 API

单次提醒 worker 投递、local 时间写入校验、未来 7 天提醒列表与忽略/批量删除；行事历去掉事项重复展示。

Co-authored-by: Cursor <cursoragent@cursor.com>

mindspace.mjs

@@ -221,11 +221,17 @@ export function createMindSpaceService(pool, options = {}) {
     let schedule = null;
     if (scheduleService) {
       try {
-        const [todayTodoItems, digestSubscriptions] = await withOptionalTimeout(
+        const [todayTodoItems, upcomingItems, upcomingReminders, digestSubscriptions] = await withOptionalTimeout(
           Promise.all([
             typeof scheduleService.listTodayTodoItems === 'function'
               ? scheduleService.listTodayTodoItems({ userId })
               : Promise.resolve([]),
+            typeof scheduleService.listUpcomingItems === 'function'
+              ? scheduleService.listUpcomingItems({ userId })
+              : Promise.resolve([]),
+            typeof scheduleService.listUpcomingReminders === 'function'
+              ? scheduleService.listUpcomingReminders({ userId })
+              : Promise.resolve([]),
             typeof scheduleService.listDigestSubscriptions === 'function'
               ? scheduleService.listDigestSubscriptions({
                   userId,
@@ -236,9 +242,9 @@ export function createMindSpaceService(pool, options = {}) {
               : Promise.resolve([]),
           ]),
           1000,
-          [[], []],
+          [[], [], [], []],
         );
-        schedule = { todayTodoItems, digestSubscriptions };
+        schedule = { todayTodoItems, upcomingItems, upcomingReminders, digestSubscriptions };
       } catch {
         schedule = null;
       }