EPIC: VS Code extension scaffold

[Hmbown]

Summary

New TypeScript package extensions/vscode/ (publisher: deepseek), built with vsce, MIT-licensed.

Acceptance criteria

• code --install-extension works.
• Published to OpenVSX too for Cursor/VSCodium compatibility.

Files

new extensions/vscode/

Size

M

Source

Source tag: EPIC. Add exact upstream/opencode source links during implementation if they are not already known. Do not copy external code blindly; port the behavior into this repo's architecture.

Filed from 2026-05-02 v0.8.8 intake.