Feature request: support a /codex:test command

[qiankunli]

Summary

Would you consider adding a dedicated /codex:test command?

The main use case is a split workflow where:

• Claude writes the implementation
• Codex writes the matching tests for the current diff

Why this would help

Right now this is possible via /codex:rescue, but it depends on careful prompt wording every time. A dedicated command would make the workflow explicit, repeatable, and easier to trust.

Expected behavior

/codex:test would ideally:

• inspect the current uncommitted changes or branch diff
• add or update the minimal sufficient tests for those changes
• follow the repository existing test conventions
• run the relevant test command when possible
• avoid modifying production code by default

Suggested scope

By default, this command should behave like a test-writing mode for Codex:

• focus on test files, fixtures, and snapshots
• avoid production code changes unless explicitly allowed
• complement /codex:review

This feels like a natural pairing:

• /codex:review = Codex critiques the change
• /codex:test = Codex writes the accompanying tests

Alternative

If a new command is too much, an officially documented preset mode for /codex:rescue that means only write tests for the current diff would also help.

Thanks for considering it.