Codex Skill Guide Running a Task 1. Ask the user (via ) which model to run ( , , , , or ) AND which reasoning effort to use ( , , , or ) in a single prompt with two questions . 2. Select the sandbox mode required for the task; default to unless edits or network access are necessary. 3. Assemble the command with the appropriate options: - - - - - - - (as final positional argument) 4. Always use --skip-git-repo-check. 5. When continuing a previous session, use via stdin. When resuming don't use any configuration flags unless explicitly requested by the user e.g. if he species the model or the r…