维护者确认 · PR #2557 fix(desktop): 恢复延期重启后的排队输入

### 触发原因

**arch** — 核心路径改动 247 行 ≥ 150

改到 `apps/desktop/src/main/maker-ipc` 和 `packages/lizi-mcps`，涉及 agent 输入队列快照与重启恢复逻辑。

### PR
https://github.com/makecindy/cindy/pull/2557

### 确认方式

- **通过**：直接在 PR 上 Approve
- **需要修改**：Request Changes，作者改完后重新 Approve 即放行

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关联 PR:#2557(作者 @zyaoii);本 issue 由 review-pr 流程自动创建,用于先讨论该 PR 涉及的技术架构调整,维护者确认后 PR 会恢复推进。

Start by reading PR #2557 and its changes under apps/desktop/src/main/maker-ipc and packages/lizi-mcps. Review how the agent input queue snapshot and restart-recovery logic are adjusted, then compare the architecture against the stated delayed-restart behavior. Done means approving the PR or requesting specific changes for the author to address.

Written by the indexing model from the issue text.