What metrics prove Prototype Chain and Inheritance is healthy in prod?

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Use the parent topic “Prototype Chain and Inheritance” as context. Cover testing approach, production metrics, or scale impact as asked — then refine with AI Mentor below.

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Parent context — Prototype Chain and Inheritance

Mitigate first, then root-cause. Check symptoms against: Confusing __proto__ with prototype property on functions; shadowing constructor incorrectly..

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