Bug: 在测试结束后调用`app.stop()`时会从`@satorijs`抛出未定义异常

[CloudeaSoft]

Describe the bug

在after中注册app.stop()后，运行测试时会从@satorijs抛出异常，原因为Bot.dispose()尝试访问ctx.bots.findIndex()，而bots为undefined.

TypeError: Cannot read properties of undefined (reading 'findIndex')
    at MockBot.dispose (D:\CodeDocs\cloudea-koishi\node_modules\@satorijs\core\lib\index.cjs:399:33)
    at event <dispose> (D:\CodeDocs\cloudea-koishi\node_modules\@satorijs\core\lib\index.cjs:357:34)
    at Object.apply (D:\CodeDocs\cloudea-koishi\node_modules\@cordisjs\core\src\reflect.ts:221:23)
    at <anonymous> (D:\CodeDocs\cloudea-koishi\node_modules\@cordisjs\core\src\scope.ts:179:21)
    at <anonymous> (D:\CodeDocs\cloudea-koishi\node_modules\@cordisjs\core\src\scope.ts:179:29)
    at Array.filter (<anonymous>)
    at ForkScope.reset (D:\CodeDocs\cloudea-koishi\node_modules\@cordisjs\core\src\scope.ts:177:51)
    at <anonymous> (D:\CodeDocs\cloudea-koishi\node_modules\@cordisjs\core\src\scope.ts:264:12)
    at fork <root> (D:\CodeDocs\cloudea-koishi\node_modules\@cordisjs\core\src\scope.ts:118:14)
    at <anonymous> (D:\CodeDocs\cloudea-koishi\node_modules\@cordisjs\core\src\scope.ts:179:21)
    at <anonymous> (D:\CodeDocs\cloudea-koishi\node_modules\@cordisjs\core\src\scope.ts:179:29)
    at Array.filter (<anonymous>)
    at MainScope.reset (D:\CodeDocs\cloudea-koishi\node_modules\@cordisjs\core\src\scope.ts:177:51)
    at MainScope.reset (D:\CodeDocs\cloudea-koishi\node_modules\@cordisjs\core\src\scope.ts:380:11)
    at Proxy.stop (D:\CodeDocs\cloudea-koishi\node_modules\@cordisjs\core\src\events.ts:216:20)
    at Context.<anonymous> (D:\CodeDocs\cloudea-koishi\external\warframe\tests\index.spec.ts:23:29)
    at callFn (D:\CodeDocs\cloudea-koishi\node_modules\mocha\lib\runnable.js:366:21)
    at Runnable.run (D:\CodeDocs\cloudea-koishi\node_modules\mocha\lib\runnable.js:354:5)
    at next (D:\CodeDocs\cloudea-koishi\node_modules\mocha\lib\runner.js:551:10)
    at Immediate.<anonymous> (D:\CodeDocs\cloudea-koishi\node_modules\mocha\lib\runner.js:612:5)
    at process.processImmediate (node:internal/timers:504:21)

Steps to reproduce

import { App } from "koishi";
import mock from "@koishijs/plugin-mock";

const app = new App();
app.plugin(mock);

const client = app.mock.client("123");

app.middleware(({ content }, next) => {
  if (content === "天王盖地虎") {
    return "宝塔镇河妖";
  } else {
    return next();
  }
});

before(() => app.start());

after(() => app.stop());

it("example", async () => {
  await client.shouldReply("天王盖地虎", "宝塔镇河妖");
  await client.shouldReply("天王盖地虎");
  await client.shouldNotReply("宫廷玉液酒");
});

Expected behavior

不抛出异常

Screenshots

No response

Versions

• OS: Windows 10
• Node version: 24.11.1
• Koishi version: 4.18.9

Additional context

No response