Add `$` Alias to Codex CLI

Overview

Codex CLI is currently invoked with the codex command. This proposal registers the commonly copied shell‑prompt symbol $ as an additional alias and wraps each invocation with an AI‑powered layer that confirms execution and explains the command in natural language.

Background & Motivation

Blog posts and tutorials often include commands like $ git …. Pasting them verbatim causes the leading $ to be interpreted as an unknown command, resulting in errors.


By mapping $ to Codex CLI, we can, before execution:

1. Show a plain‑English explanation of the command.
2. Require explicit confirmation before the command runs.


Expected Benefits

• Users understand what a command does as they run it.
• Prevents accidental execution when snippets are pasted.

Implementation

"bin": {
  "codex": "bin/codex.js",
  "$":     "bin/codex.js"
}

Adding this line to package.json enables the alias. Registration has been verified on Ubuntu and macOS; Windows (via WSL 2) should behave identically.