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376376When the review would bill [usage credits](https://support.claude.com/en/articles/12429409-extra-usage-for-paid-claude-plans), Claude Code stops before launching, because the billing confirmation needs an interactive session. Run the [`claude ultrareview` subcommand](/docs/en/ultrareview#run-ultrareview-non-interactively) instead; by running it, you consent to the charge.
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378The command was named `/simplify` before v2.1.147, when it applied fixes by default. From v2.1.154, `/simplify` runs a separate cleanup-only review that applies fixes without hunting for bugs. If you scripted `/simplify` for bug-finding, switch to `/code-review --fix`, which is unchanged.
378The command was named `/simplify` before v2.1.147, when it applied fixes by default. `/simplify` runs a separate cleanup-only review that applies fixes without hunting for bugs. If you scripted `/simplify` for bug-finding, switch to `/code-review --fix`.
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380380## Related resources
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