[BUG] VS Code extension v2.1.136 fails to activate on Windows: hardcoded Linux CI path regression

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

The VS Code extension v2.1.136 fails to activate on Windows 11, making all claude-vscode.* commands unavailable. This is a regression of the same hardcoded Linux CI path bug previously reported and fixed, now reintroduced in v2.1.136.

Related closed issue: #56555

Environment

| Field | Value |
|---|---|
| Claude Code Extension | v2.1.136 (anthropic.claude-code) |
| OS | Windows 11 Pro |
| VS Code | 1.118.1 |

What Should Happen?

Extension activates correctly on Windows and all claude-vscode.* commands are available.

Error Messages/Logs

2026-05-08 13:38:26.697 [error] Activating extension Anthropic.claude-code failed due to an error:
2026-05-08 13:38:26.697 [error] TypeError: The argument 'filename' must be a file URL object, file URL string, or absolute path string. Received 'file:///home/runner/work/claude-cli-internal/claude-cli-internal/build-agent-sdk/sdk.mjs'
    at Module.createRequire (node:internal/modules/cjs/loader:1922:13)
    at Object.<anonymous> (c:\Users\crist\.vscode\extensions\anthropic.claude-code-2.1.136-win32-x64\extension.js:103:5579)

Steps to Reproduce

1. Install Claude Code extension v2.1.136 on VS Code 1.118.1 (Windows 11 Pro)
2. Open any project
3. Open Command Palette and type Claude
4. Observe: error command 'claude-vscode.terminal.open' not found

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

2.1.133

Claude Code Version

2.1.136

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Windows Terminal

Additional Information

_No response_