> For the complete documentation index, see [llms.txt](https://guide.cronuszen.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://guide.cronuszen.com/gpcscripting/gpc-script-guide/advanced-architecture/advanced-review-checklist.md).

# Advanced review checklist

* One stable owner per piece of state
* One final writer per output
* Raw physical, current working, or previous-cycle final output layer selected intentionally
* Exclusive modes skip normal logic
* State transition precedence documented
* Runtime indexes bounded
* Fixed-point scale and overflow bounds documented
* Save layout versioned and owned
* View/edit/save/cancel separated
* Dirty flags guard rendering and persistence
* BVAR/SPVAR maximum index proven
* Controller and console protocols not conflated
* Const data uses the narrowest safe type
* VM load, bytecode, variable slots, and stack all within limits


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