Codex starts stdio MCP servers with a minimal environment, so `codeman mcp`
under the documented Codex config never learned the session it runs in: the
self-protection and the children rule did not apply. Both Codex TOML snippets
now forward the two variables with `env_vars`.
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>