feat: standard alert add images

Author: alick-liming

flashduty/en/1. On-call/8. Integrations/8.1 Alerts integration/8.1.0 Standard Alert Integration.md

@@ -82,6 +82,15 @@ Field|Required|Type|Description
 | alert_key | No | string | Alert identifier, used to update or automatically recover existing alerts.<br><br>You can customize this value, but it cannot exceed `255` characters. You can also rely on system auto-generation, this value will be returned in the response.<br><br>If you're reporting a recovery event, this value must exist.
 | description | No | string | Alert description, no more than `2048` characters, will be truncated if exceeded.
 | labels | No | map | Alert label collection, key is the label name, value is the label value:<br><br>1. Both key and value of labels are string type, case-sensitive.<br>2. Label key should not exceed `128` characters, following Prometheus label naming conventions. Value should not exceed `2048` characters, will be truncated if exceeded.<br>3. Maximum of `50` labels. See `Label Content Reference` in [Best Practices](#best-practices).<br><br>Example: "resource": "171.26.23.22", "check": "api latency > 500ms"
+| images | No | [][image](#image) | Array of images, used for image display in frontend or Feishu/DingTalk application notifications.The system merged/overwritten based on alt, for the same alt (including empty strings), only one is retained
+
+#### image Structure <span id="image"></span>
+
+Field|Required|Type|Description
+:-:|:-:|:-:|:---
+| alt | No | string | Image alternative text, limit 128 characters, truncated if exceeded.
+| src | Yes | string | Image source, value: http/https URL or image_key returned by [Image Upload API](https://developer.flashcat.cloud/api-344943718). Limit 256 characters, discarded if exceeded
+| href | No | string | Hyperlink reference path, limit 256 characters, truncated if exceeded
 
 </div>
 

flashduty/zh/1. On-call/5. 集成引导/8.1 告警集成/8.1.0 标准告警事件集成指引.md

@@ -86,6 +86,15 @@ POST, Content-Type:"application/json"
 | alert_key    | 否   | string | 告警标识，用于对已经存在的告警进行更新或自动恢复。<br><br>您可以自定义此值，但不可超过`255`个字符。您也可以依赖系统自动生成，该值会在响应中返回。<br><br>如果您上报的是恢复事件，则此值必须存在。                     
 | description  | 否   | string | 告警描述，不超过`2048`个字符，超出后将自动截断。
 | labels       | 否   | map    | 告警标签集合，key 为标签名称，value 为标签值：<br><br>1. 标签的 key 和 value 均为 string 类型，区分大小写。<br>2. 标签的 key 不要超过`128`个字符，遵循Prometheus标签命名规范。value 不超过`2048`个字符，超出后将自动截断。<br>3. 至多传入`50`个标签。`标签内容参考`[最佳实践](#最佳实践)。<br><br>示例："resource": "171.26.23.22", "check": "api latency > 500ms"
+| images       | 否   | [][image](#image) | 图片数组，可用于前端或飞书和钉钉应用通知的图片展示。系统根据 alt 进行合并覆盖，相同(包括空字符)的alt只保留一条
+
+#### image 结构体 <span id="image"></span>
+
+字段|必含|类型|释义
+:-:|:-:|:-:|:---
+| alt | 否 | string | 图片的替代文本, 长度限制 128 字符，超长截断。
+| src | 是 | string | 图片来源，值：http/https 开头的图片链接地址 或 [图片上传接口](https://developer.flashcat.cloud/api-344943718)返回的image_key，长度限制 256 字符，超长会被丢弃
+| href | 否 | string | 超链接引用路径，长度限制 256 字符，超长截断
 
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