fix(wechat): cancel sole active scheduled task in inbound without Goose

When a user has exactly one active automation task, cancel it by taskId
after listTasks instead of relying on Goose when the LLM provider fails.

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

wechat/handlers/scheduled-task.mjs

@@ -1,4 +1,5 @@
 import {
+  formatScheduledTaskCancelReply,
   formatScheduledTaskListReply,
   isScheduledTaskIntent,
   parseScheduledTaskIntent,
@@ -29,10 +30,26 @@ export async function handleWechatScheduledTaskIntent({
       return formatScheduledTaskListReply(tasks);
     }
 
-    if (
-      taskIntent.action === 'create_scheduled_task'
-      || taskIntent.action === 'cancel_scheduled_task'
-    ) {
+    if (taskIntent.action === 'create_scheduled_task') {
+      return null;
+    }
+
+    if (taskIntent.action === 'cancel_scheduled_task') {
+      const tasks = await scheduledTaskService.listTasks({
+        userId: user.userId,
+        status: 'active',
+        limit: 20,
+      });
+      if (!tasks.length) {
+        return '你当前没有进行中的定时自动任务。';
+      }
+      if (tasks.length === 1) {
+        const cancelled = await scheduledTaskService.cancelTask({
+          userId: user.userId,
+          taskId: tasks[0].id,
+        });
+        return formatScheduledTaskCancelReply(cancelled);
+      }
       return null;
     }
   } catch (err) {

wechat/handlers/scheduled-task.test.mjs

@@ -36,7 +36,8 @@ test('handleWechatScheduledTaskIntent passes incomplete create requests to goose
   assert.equal(reply, null);
 });
 
-test('handleWechatScheduledTaskIntent passes cancel requests to goose', async () => {
+test('handleWechatScheduledTaskIntent cancels the only active task in inbound', async () => {
+  const calls = [];
   const reply = await handleWechatScheduledTaskIntent({
     intent: {
       msgType: 'text',
@@ -45,8 +46,47 @@ test('handleWechatScheduledTaskIntent passes cancel requests to goose', async ()
     },
     user: { userId: 'user-123' },
     scheduledTaskService: {
+      async listTasks() {
+        return [{
+          id: 'task-1',
+          title: '每天早上6:30推送苏州市天气预报',
+          recurrence: 'daily',
+          hour: 6,
+          minute: 30,
+          timezone: 'Asia/Shanghai',
+        }];
+      },
+      async cancelTask(payload) {
+        calls.push(payload);
+        return {
+          id: 'task-1',
+          title: '每天早上6:30推送苏州市天气预报',
+          status: 'cancelled',
+        };
+      },
+    },
+  });
+  assert.match(reply, /已取消定时任务/u);
+  assert.deepEqual(calls, [{ userId: 'user-123', taskId: 'task-1' }]);
+});
+
+test('handleWechatScheduledTaskIntent passes cancel to goose when multiple active tasks', async () => {
+  const reply = await handleWechatScheduledTaskIntent({
+    intent: {
+      msgType: 'text',
+      agentText: '取消定时推送苏州天气任务',
+      msgId: 'msg-123-2',
+    },
+    user: { userId: 'user-123' },
+    scheduledTaskService: {
+      async listTasks() {
+        return [
+          { id: 'task-1', title: '苏州天气', recurrence: 'daily', hour: 6, minute: 30, timezone: 'Asia/Shanghai' },
+          { id: 'task-2', title: '新闻早报', recurrence: 'daily', hour: 5, minute: 30, timezone: 'Asia/Shanghai' },
+        ];
+      },
       async cancelTask() {
-        throw new Error('should not cancel from inbound regex');
+        throw new Error('should not cancel from inbound when ambiguous');
       },
     },
   });