Sync Codex and Claude Code configs: skills, agents, MCP, permissions

EricGT:

completely done: run the migrator, inspect the report, fix migrated Codex instructions/skills/agents/MCP config, and re-run checks without stopping to ask for confirmation of the

HolyMoly, I didn’t realise OpenAI offered this feature. I think it would make the repository more robust if we integrated it. Thank you!