VS Code extension 2.1.136 fails activation on Windows with build-agent-sdk sdk.mjs path error

Summary

Claude Code for VS Code 2.1.136 fails to activate on Windows. Rolling back to 2.1.133 restores clean activation.

Environment

• OS: Windows x64
• VS Code: 1.119.0
• Extension: anthropic.claude-code
• Failing version: 2.1.136
• Working version: 2.1.133

Steps to Reproduce

1. Install anthropic.claude-code-2.1.136-win32-x64.vsix.
2. Reload or reopen VS Code.
3. Let the extension activate via onStartupFinished, or open the Claude Code panel.

Expected Behavior

Claude Code activates successfully.

Actual Behavior

Extension activation fails with:

Activating extension Anthropic.claude-code failed due to an 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'

Stack includes:

...\.vscode\extensions\anthropic.claude-code-2.1.136-win32-x64\extension.js:103:5579

Notes

• 2.1.133 activates cleanly on the same machine.
• 2.1.136 appears to include a bundled createRequire(...) path referencing /home/runner/work/.../build-agent-sdk/sdk.mjs.
• Workaround: install 2.1.133.