perf-baseline-manager

Creates and maintains regression test baselines for functional, visual, and performance testing to enable drift detection, comparisons, and lifecycle management.

Creates performance baselines for load testing and benchmarking. Provides step-by-step guidance and generates configurations for baseline metrics.

Benchmarks shell metric command N times across 2-3 git refs or repo states, checks variance, computes deltas vs baseline, outputs reproducible TSV table and summary. For honest code variant comparisons.