[Bug] v2.7 Echart渲染有问题，输出为空白

### Contact Information

_No response_

### MaxKB Version

v2.7.0

### Problem Description

<img width="3555" height="1283" alt="Image" src="https://github.com/user-attachments/assets/e83d0f39-e891-4bcd-95fe-0fa08007e517" />
v2.7以下的Echart都能正常渲染，升级到v2.7就空白了
<img width="3729" height="1248" alt="Image" src="https://github.com/user-attachments/assets/602a1c1c-fb24-4d17-a836-c9752c6c8d62" />

### Steps to Reproduce

v2.7版本中高级编排中编写自定义工具，在指定回复中编写Echart渲染失败

<img width="3555" height="1283" alt="Image" src="https://github.com/user-attachments/assets/bc8db955-85ef-4fb0-9ae4-220615ed748a" />

### The expected correct result

_No response_

### Related log output

```shell

```

### Additional Information

_No response_

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[Bug] v2.7 Echart渲染有问题，输出为空白 #4966

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[Bug] v2.7 Echart渲染有问题，输出为空白 #4966

Description

Contact Information

MaxKB Version

Problem Description

Steps to Reproduce

The expected correct result

Related log output

Additional Information

Metadata

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

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