Merge pull request #441 from Lucien-Liu/update-readme-check-command

docs: Update README for codex in check command and --ai option

Author: localden

README.md

@@ -101,14 +101,14 @@ The `specify` command supports the following options:
 | Command     | Description                                                    |
 |-------------|----------------------------------------------------------------|
 | `init`      | Initialize a new Specify project from the latest template      |
-| `check`     | Check for installed tools (`git`, `claude`, `gemini`, `code`/`code-insiders`, `cursor-agent`, `windsurf`, `qwen`, `opencode`) |
+| `check`     | Check for installed tools (`git`, `claude`, `gemini`, `code`/`code-insiders`, `cursor-agent`, `windsurf`, `qwen`, `opencode`, `codex`) |
 
 ### `specify init` Arguments & Options
 
 | Argument/Option        | Type     | Description                                                                  |
 |------------------------|----------|------------------------------------------------------------------------------|
 | `<project-name>`       | Argument | Name for your new project directory (optional if using `--here`)            |
-| `--ai`                 | Option   | AI assistant to use: `claude`, `gemini`, `copilot`, `cursor`, `qwen`, `opencode`, or `windsurf` |
+| `--ai`                 | Option   | AI assistant to use: `claude`, `gemini`, `copilot`, `cursor`, `qwen`, `opencode`, `codex`, or `windsurf` |
 | `--script`             | Option   | Script variant to use: `sh` (bash/zsh) or `ps` (PowerShell)                 |
 | `--ignore-agent-tools` | Flag     | Skip checks for AI agent tools like Claude Code                             |
 | `--no-git`             | Flag     | Skip git repository initialization                                          |