refactor-performance

name	refactor-performance
description	Improve measurable performance with evidence, without speculative rewrites.

Refactor Performance

Trigger

Use for clearly measurable performance bottlenecks.

Inputs

• Profile output, benchmark data, and affected files.

Outputs

• Performance-focused code changes plus evidence and fallback plan.

Procedure

1. Identify measurable bottleneck and baseline metrics.
2. Implement minimal targeted optimization.
3. Add/retain benchmarks.
4. Confirm no regressions in existing correctness tests.

Guardrails

• Avoid speculative optimization.
• Keep behavior intact.

Success criteria

• Measured improvement and all required tests passing.

Prefer Superpowers

• Use verification-before-completion for benchmark-based confidence checks.

Avoid scope creep

• Do not refactor unrelated call paths.