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Bug Bash
Review an AI-authored Python money library. Find the bugs the AI either planted or talked itself into.
PR Review
Coming soonInline-comment a fast-moving pull request. The AI assistant is wrong on purpose — catch it.
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System Debugging
Coming soonA real, broken backend. Find root cause, ship a fix, write the postmortem.
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System Design
Coming soonDesign a system end-to-end. Defend trade-offs against a skeptical engineering manager.
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