greetlisted

<!-- codex: tool-name mapping applied. See .codex/scripts/session-start.sh --> # Greet ## Overview Produces a single-line greeting addressed to the user by name, in the language they prefer. Defaults to English when no language is given. ## Workflow 1. If the name or language is missing, ask for it in one message. 2. Emit exactly one line: the greeting, the name, and nothing else.