performance-engineering

Domain specialist for performance optimization, profiling, caching, and resource management. Scope: profiling tools, caching strategies, load testing, observability, N+1 query detection, algorithm complexity analysis, resource leak detection, connection pooling, query optimization, memory leaks, file handle leaks, connection leaks. Excludes: code architecture, security operations, database design, infrastructure. Triggers: "performance", "slow", "optimization", "profiling", "caching", "load test", "bottleneck", "resource leak", "N+1", "memory leak", "complexity".