[FEATURE] Buddy supports custom appearance.

Preflight Checklist

• [x] I have searched existing requests and this feature hasn't been requested yet
• [x] This is a single feature request (not multiple features)

Problem Statement

As soon as Buddy went online, I immediately started to experiment. However, I wanted to customize the appearance of my pet, but I found that currently I could only view and feed it. We hope that in the future, customization support will be available.

<img width="816" height="720" alt="Image" src="https://github.com/user-attachments/assets/1a71b040-62b6-48c9-bd0a-4779093a7493" />

Proposed Solution

-

Alternative Solutions

_No response_

Priority

Medium - Would be very helpful

Feature Category

CLI commands and flags

Use Case Example

_No response_

Additional Context

_No response_