Codex app

# Codex app ### New features - Added new MCP shortcuts in the composer, including install keyword suggestions and an MCP server submenu in **Add context**. - Added support for `@mentions` and skill mentions in inline review comments. ### Performance improvements and bug fixes - Improved rendering of MCP tool calls and Mermaid diagram error handling. - Fixed an issue where stopped terminal commands could continue appearing as running. - Additional performance improvements and bug fixes.