Delete codex-agent.ts/test.ts/unit.test.ts and related files. Codex MCP is now the only Codex provider, registered for both "codex" and "codex-mcp" provider IDs in bootstrap.ts. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>