'Add guardrails' says nothing concrete. The strong answer names the specific input and output checks, the mechanisms that enforce them, the fail-safe behavior when one trips, and the honest admission that they are imperfect. Here is the implementation answer.
Updated Sep 2026 · Grounded in real GenAI, LLM, and AI/ML engineering interview loops and written to a senior-engineer editorial bar.
'Add guardrails' says nothing concrete. The strong answer names the specific input and output checks, the mechanisms that enforce them, the fail-safe behavior when one trips, and the honest admission that they are imperfect. Here is the implementation answer.
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