[FEATURE] Plan preview window auto-opens in VS Code extension – option to disable it

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

Plan preview window in VS Code is very intrusive and forces focus every time.
Please add a setting to disable auto-opening the plan markdown preview.

it's beyond annoying.

Proposed Solution

add a setting to disable auto-opening the plan markdown preview.

Alternative Solutions

_No response_

Priority

Medium - Would be very helpful

Feature Category

Interactive mode (TUI)

Use Case Example

_No response_

Additional Context

_No response_