[FEATURE] /export to export sessions in .html file

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

/export currently exports in .txt files, it is not native format for humans to read the sessions, so I guess .html export will nicer.

Proposed Solution

.html export option as well.

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_