fix(wechat): route scheduled task cancel and spec updates through Goose MCP

Pass cancel requests to Goose like create instead of inbound title matching,
and add scheduled_task_update_spec so format or execution constraints update
taskSpec without triggering page delivery guards.

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

wechat/handlers/scheduled-task.mjs

@@ -4,8 +4,6 @@ import {
   parseScheduledTaskIntent,
 } from '../../scheduled-task-intent.mjs';
 
-const WEEKDAY_NAMES = ['周日', '周一', '周二', '周三', '周四', '周五', '周六'];
-
 export async function handleWechatScheduledTaskIntent({
   intent,
   user,
@@ -31,21 +29,10 @@ export async function handleWechatScheduledTaskIntent({
       return formatScheduledTaskListReply(tasks);
     }
 
-    if (taskIntent.action === 'cancel_scheduled_task') {
-      const titleMatch = String(intent.agentText ?? '')
-        .replace(/(?:取消|停止|关闭|删除|我的|定时|自动|任务)/gu, ' ')
-        .trim();
-      if (!titleMatch) {
-        return '请告诉我要取消哪一条定时任务，或提供任务名称关键词。';
-      }
-      const task = await scheduledTaskService.cancelTask({
-        userId: user.userId,
-        titleMatch,
-      });
-      return `已取消定时任务：${task.title}`;
-    }
-
-    if (taskIntent.action === 'create_scheduled_task') {
+    if (
+      taskIntent.action === 'create_scheduled_task'
+      || taskIntent.action === 'cancel_scheduled_task'
+    ) {
       return null;
     }
   } catch (err) {

wechat/handlers/scheduled-task.test.mjs

@@ -36,6 +36,23 @@ test('handleWechatScheduledTaskIntent passes incomplete create requests to goose
   assert.equal(reply, null);
 });
 
+test('handleWechatScheduledTaskIntent passes cancel requests to goose', async () => {
+  const reply = await handleWechatScheduledTaskIntent({
+    intent: {
+      msgType: 'text',
+      agentText: '取消定时推送苏州天气任务',
+      msgId: 'msg-123-1',
+    },
+    user: { userId: 'user-123' },
+    scheduledTaskService: {
+      async cancelTask() {
+        throw new Error('should not cancel from inbound regex');
+      },
+    },
+  });
+  assert.equal(reply, null);
+});
+
 test('handleWechatScheduledTaskIntent ignores non automation text', async () => {
   const reply = await handleWechatScheduledTaskIntent({
     intent: {

wechat/prompts/chat-general.mjs

@@ -4,7 +4,11 @@ import {
   isPageDataIntent,
 } from '../../chat-skills.mjs';
 import { shouldUseScheduleAssistant } from '../../schedule-intent.mjs';
-import { shouldUseScheduledTaskAutomation } from '../../scheduled-task-intent.mjs';
+import {
+  isScheduledTaskIntent,
+  parseScheduledTaskIntent,
+  shouldUseScheduledTaskAutomation,
+} from '../../scheduled-task-intent.mjs';
 import { buildCurrentTimeAgentPrefix } from '../../user-memory-profile.mjs';
 import { isPageGenerateText, wantsDocxDownload } from '../intent/patterns.mjs';
 import { buildWechatStandaloneImageInstruction } from '../image-generation-policy.mjs';
@@ -82,12 +86,18 @@ export function buildWechatAgentPrompt(intent, {
         '',
       ].filter(Boolean).join('\n')
     : '';
-  const scheduledTaskAutomationHint = shouldUseScheduledTaskAutomation(agentText)
+  const scheduledTaskIntent = parseScheduledTaskIntent(agentText);
+  const scheduledTaskAutomationHint = (
+    shouldUseScheduledTaskAutomation(agentText)
+    || isScheduledTaskIntent(scheduledTaskIntent)
+  )
     ? [
-        '【定时自动任务要求】这条消息是 Scheduled Automation（到点自动执行并推送结果），不是待办提醒。',
+        '【定时自动任务要求】这条消息涉及 Scheduled Automation（到点自动执行并推送结果），不是待办提醒。',
         '开始前先加载 `scheduled-task-automation` skill，并严格按 skill 边界执行。',
-        '先澄清缺失的执行时间或 taskSpec，再调用 scheduled_task_create / scheduled_task_list / scheduled_task_cancel。',
-        '禁止在当前对话立即执行长任务；工具成功返回后才能确认已设置。',
+        '创建：澄清缺失的执行时间或 taskSpec，再调用 scheduled_task_create（需用户确认卡片）。',
+        '取消/更新规范：必须先 scheduled_task_list 拿 taskId；取消用 scheduled_task_cancel，补充格式/长期约束用 scheduled_task_update_spec（可 mergeTaskSpec）。',
+        '若用户只是在补充已有定时任务的执行规范（不是要做新页面），禁止走 static-page-publish 页面交付链路。',
+        '禁止在当前对话立即执行长任务；工具成功返回后才能确认已设置/已取消。',
         '一次性任务用 runAtLocal；循环任务用 hour/minute/weekday，禁止自行估算 Unix 毫秒。',
         intent?.msgId ? `调用 scheduled_task_create 时必须传入 sourceMessageId: ${intent.msgId}` : '',
         '',

wechat/prompts/page-generate.mjs

@@ -66,6 +66,7 @@ export function buildPageGenerateAgentPrompt(
   return [
     '【微信服务号 · 页面生成任务】',
     '这是服务号专用页面生成，不是普通聊天。必须按步骤完成，未完成前禁止告诉用户“已生成/已发布”。',
+    '【定时任务规范】若用户是在为已有定时自动任务补充长期格式/参考页/执行约束（不是要你此刻写 HTML），改加载 scheduled-task-automation，用 scheduled_task_list + scheduled_task_update_spec；禁止走本页面交付链路。',
     '',
     docxBlock,
     imageBlock,