添加状态处理

[xiaoma111-stop]

ACK 成功时需要：
status = acknowledged
assignee = 当前执行 ACK 的用户
acknowledged_by = 当前执行 ACK 的用户
acknowledged_at = 第一次 ACK 时间
handling_deadline_at = acknowledged_at + handling_timeout_seconds

当前 UI 的通知策略没有 Acknowledged 事件，所以不能通过配置实现。
需要在 ACK 成功后生成一条 webhook 事件，例如：
{
"event_type": "acknowledged",
"status": "acknowledged",
"assignee": "yiming",
"acknowledged_by": "yiming",
"acknowledged_at": "2026-09-22T08:00:00Z"
}

[Aidaho12]

Could you use English, please

[xiaoma111-stop]

请用英语交流。

Context & Problem Statement:
Currently, the UI's notification policy does not support an "Acknowledged" (ACK) event. Because of this limitation, we cannot implement the required state notifications via standard UI configuration.

Requirement:
We need the backend to automatically generate and push a webhook event upon a successful ACK. Specifically, when an ACK is triggered, the system must capture and set the following fields:

status = Acknowledged

assignee = The user who executed the ACK

acknowledged_by = The user who executed the ACK

acknowledged_at = The exact timestamp of the initial ACK

handling_deadline_at = recognize_at + Handling_timeout_seconds

Expected Webhook Payload:

JSON
{
"event_type": "acknowledged",
"status": "acknowledged",
"assignee": "yiming",
"acknowledged_by": "yiming",
"acknowledged_at": "2026-09-22T08:00:00Z"
}

[Aidaho12]

Yes, we plan to do this in IncidentRelay 2.10, but a little differently so it fits the product model cleanly. Details are tracked here: #96