feat: new application scope for post mortem

Author: debidong

flashduty/en/1. On-call/8. Integrations/8.3 IM integration/8.3.1 Feishu(Lark) Integration Guide.md

@@ -81,7 +81,8 @@ Go to the **Permission Management** page and apply for the following permissions
 
 - `im:chat`: Get and update group information
 - `im:message`: Get and send single chat and group messages
-- `contact:user.id:readonly`: Get user ID by phone number or email <span id="war-room-scope"></span>
+- `contact:user.id:readonly`: Get user ID by phone number or email
+- `im:message.group_msg`: Read group chat history (required for AI-generated post-mortem to access war room conversations) <span id="war-room-scope"></span>
 
 ![2025-09-17-19-59-38](https://docs-cdn.flashcat.cloud/images/png/61cb9fbc295e94b4d9acd7e44ac75e13.png)
 
@@ -144,4 +145,4 @@ After completing the previous steps, in the **Enhanced Features** module of the
    > After exceeding API call limits, the Feishu/Lark application will not be able to push messages normally. It is recommended to use notification channels reasonably. See [Feishu/Lark official documentation](https://open.feishu.cn/document/uAjLw4CM/ugTN1YjL4UTN24CO1UjN/platform-updates-/custom-app-api-call-limit) for details.
 5. **Why is the war room feature not working as expected?**
    - Please check again whether you have configured the [required permissions](#war-room-scope) for the war room feature.
-   - Please refer to the **FAQ** section of the Flashduty [War Room Introduction](https://docs.flashcat.cloud/en/flashduty/war-room?nav=01JCQ7A4N4WRWNXW8EWEHXCMF5).
+   - Please refer to the **FAQ** section of the Flashduty [War Room Introduction](https://docs.flashcat.cloud/en/flashduty/war-room?nav=01JCQ7A4N4WRWNXW8EWEHXCMF5).

flashduty/en/1. On-call/8. Integrations/8.3 IM integration/8.3.4 Slack Integration Guide.md

@@ -22,6 +22,8 @@ By integrating the Slack third-party application, you can receive and respond to
 
 After completing the previous steps, in the **Enhanced Features** module of the Flashduty integration configuration page, check **Enable War Room** to enable this feature without additional configuration.
 
+To enable AI-generated post-mortem with war room chat history, the app requires additional `channels:history` permission. For existing Slack integrations, you need to manually re-authorize to grant this permission.
+
 ## 3. FAQ
 
 ---
@@ -52,4 +54,4 @@ After completing the previous steps, in the **Enhanced Features** module of the
    - If the error persists after retrying, please contact customer service to record and resolve new issues.
 9. **Why is the war room feature not working as expected?**
    - For previously authorized Slack IM integrations, you need to manually reauthorize Slack in the Flashduty integration configuration page to grant the application the additional permissions required for the war room feature.
-   - Please refer to the **FAQ** section of the Flashduty [War Room Introduction](https://docs.flashcat.cloud/en/flashduty/war-room?nav=01JCQ7A4N4WRWNXW8EWEHXCMF5).
+   - Please refer to the **FAQ** section of the Flashduty [War Room Introduction](https://docs.flashcat.cloud/en/flashduty/war-room?nav=01JCQ7A4N4WRWNXW8EWEHXCMF5).

flashduty/zh/1. On-call/5. 集成引导/8.3即时消息/8.3.1 飞书 Lark 集成指引.md

@@ -87,7 +87,8 @@ url: "https://docs.flashcat.cloud/zh/flashduty/lark-integration-guide"
 
 - `im:chat`：获取与更新群组信息
 - `im:message`：获取与发送单聊、群组消息
-- `contact:user.id:readonly`：通过手机号或邮箱获取用户 ID <span id="war-room-scope"></span>
+- `contact:user.id:readonly`：通过手机号或邮箱获取用户 ID
+- `im:message.group_msg`：读取群聊历史消息（AI 生成复盘报告需要读取作战室聊天记录） <span id="war-room-scope"></span>
 
 ![2025-09-18-10-55-14](https://docs-cdn.flashcat.cloud/images/png/d919be62107f6b9d0c662f440d620e61.png)
 

flashduty/zh/1. On-call/5. 集成引导/8.3即时消息/8.3.4 Slack 集成指引.md

@@ -22,6 +22,8 @@ url: "https://docs.flashcat.cloud/zh/flashduty/slack-integration-guide"
 
 完成先前步骤后，在 Flashduty 集成配置页面的 **增强功能** 模块，勾选 **开启作战室** 即可启用该功能，无需额外配置。
 
+若需启用 AI 生成复盘报告（读取作战室聊天记录），应用需要额外的 `channels:history` 权限。对于已授权的 Slack 集成，您需要手动重新授权以获取该权限。
+
 ## 二、常见问题
 
 ---