Cross-Model Code Review Cross-model validation: the authoring model writes code, a different model reviews it. Different architectures, different training distributions, no self-approval bias. Core insight: Single-model self-review is systematically biased. The same blind spots that let bugs through during writing let them through during review. Cross-model review catches different bug classes because the reviewer has fundamentally different failure modes. How to read this skill: patterns and decision trees below are guidelines. Pick what fits, blend when needed. The rules marked ⚠️ are diffe…