[FEATURE] VS Code extension: /compact summary output is not copy/paste-able

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

Description
When running /compact in the Claude Code VS Code extension, the resulting compaction summary is rendered in a way that can't be selected/copied by the user. Other assistant text output can be copied normally, but the /compact summary specifically doesn't support text selection.

Environment

• Client: Claude Code VS Code native extension
• OS: Windows 11 Pro (10.0.26200)

Expected behavior
The /compact summary text should be selectable and copyable like regular chat output.

Actual behavior
The summary renders in a non-selectable format, so it can't be copied out.

Proposed Solution

N/A

Alternative Solutions

_No response_

Priority

Critical - Blocking my work

Feature Category

CLI commands and flags

Use Case Example

_No response_

Additional Context

_No response_