[Feature Request]: The text editing feature lets you edit down to the character level

Feature Description

The text editing feature lets you edit down to the character level, so the same editing box can have different fonts and styles like colors, and the character widths won't be miscalculated.

Why is this feature valuable?

完全实现自由编辑

Suggested Implementation

No response

Additional Information

No response

Example Files

No response

No Duplicate of the Feature

• I have verified that there are no existing features requests similar to my request.