Instruction: Explain how you would support complex permissions without creating constant retrieval bugs.
Context: Assesses whether the candidate can design a practical architecture and explain the main tradeoffs. Explain how you would support complex permissions without creating constant retrieval bugs.
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I would treat permission-aware retrieval like query planning with security constraints. Every request needs an identity context, and every document needs machine-checkable access metadata. The retrieval layer then applies those constraints before ranking so unauthorized text never enters the candidate set.
For overlapping teams and exceptions,...
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