Exporting a Claude Code session to Codex

I found a simple way to move a Claude Code session over to Codex CLI. In Claude Code, I ask it to export the full session context to a dated markdown file: Export the entire context of our current session to a markdown file named context-YYYY-MM-DD.md (substitute today's actual date — run `date +%Y-%m-%d` to get it) in the current directory. Include everything needed for another AI assistant…