维护者确认: PR #1336 fix(desktop): keep ask answers retryable on delivery failure

## 触发原因

本 PR 命中产品类维护者确认门：修改了 UI 路径文件。

- `apps/desktop/src/renderer/__tests__/makerChatStoreTextDeltaBatching.test.ts`
- `apps/desktop/src/renderer/lib/makerChatStore.ts`

## PR 链接

https://github.com/makecindy/cindy/pull/1336

## 确认方式

维护者直接在 PR 上 **Approve** 即放行；需要修改请 **Request Changes**，作者改完后重新 Approve 即可。

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关联 PR:#1336(作者 @Tracy-yida);本 issue 由 review-pr 流程自动创建,用于先讨论该 PR 涉及的产品 / UI 变更,维护者确认后 PR 会恢复推进。

Review PR #1336, starting with apps/desktop/src/renderer/__tests__/makerChatStoreTextDeltaBatching.test.ts and apps/desktop/src/renderer/lib/makerChatStore.ts. Verify the retry behavior described in the PR title and the associated tests; the issue is complete when a maintainer approves the UI change, or requests are addressed and approval is given.

Written by the indexing model from the issue text.