Starting Claude Code in VSCode integrated terminal opens 3 new VSCode windows

Bug Description

When launching a Claude Code session from within a VSCode integrated terminal, 3 new VSCode windows are opened every time.

Steps to Reproduce

1. Open VSCode
2. Open the integrated terminal (Ctrl+\`)
3. Run claude to start a Claude Code session

Expected Behavior

No additional VSCode windows should open. Claude Code should run within the existing terminal session.

Actual Behavior

3 new VSCode windows are opened each time a Claude Code session is started from the VSCode integrated terminal.

Environment

• OS: Windows 11 Pro 10.0.26200
• Shell: bash (Git Bash)
• Claude Code version: latest

Additional Context

This appears to be related to Claude Code's IDE integration detection. It may be spawning multiple code process calls unintentionally when detecting or connecting to the VSCode environment on Windows.