Reviews Python code for performance defects. Use when the user asks to profile hot paths, reduce allocations, remove N+1 database round trips, or speed up a slow endpoint.
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---
name: review-performance
description: Reviews Python code for performance defects. Use when the user asks to profile hot paths, reduce allocations, remove N+1 database round trips, or speed up a slow endpoint.
---
# Performance review
Measure before changing anything.