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>

server.mjs

@@ -1871,6 +1871,39 @@ api.get('/mindspace/v1/space', async (req, res) => {
   return sendData(res, req, space);
 });
 
+api.post('/mindspace/v1/schedule/reminders/:reminderId/ignore', async (req, res) => {
+  if (!ensureMindSpaceEnabled(res, req) || !scheduleService) {
+    return sendError(res, req, 503, 'feature_disabled', '日程服务未启用');
+  }
+  try {
+    const reminder = await scheduleService.cancelReminder({
+      userId: req.currentUser.id,
+      reminderId: req.params.reminderId,
+    });
+    return sendData(res, req, reminder);
+  } catch (err) {
+    const message = err instanceof Error ? err.message : '忽略提醒失败';
+    return sendError(res, req, 400, 'invalid_schedule_input', message);
+  }
+});
+
+api.post('/mindspace/v1/schedule/reminders/bulk-delete', async (req, res) => {
+  if (!ensureMindSpaceEnabled(res, req) || !scheduleService) {
+    return sendError(res, req, 503, 'feature_disabled', '日程服务未启用');
+  }
+  try {
+    const ids = Array.isArray(req.body?.ids) ? req.body.ids.map(String) : [];
+    const deleted = await scheduleService.deleteReminders({
+      userId: req.currentUser.id,
+      reminderIds: ids,
+    });
+    return sendData(res, req, { deleted });
+  } catch (err) {
+    const message = err instanceof Error ? err.message : '删除提醒失败';
+    return sendError(res, req, 400, 'invalid_schedule_input', message);
+  }
+});
+
 api.get('/mindspace/v1/space/quota', async (req, res) => {
   if (!mindSpace) return res.status(503).json({ message: 'MindSpace 未启用' });
   const quota = await mindSpace.getQuota(req.currentUser.id);