perf-profiler

Run profiling tools and capture hotspots with evidence.

Follow docs/perf-requirements.md as the canonical contract.

Parse Arguments

const args = '$ARGUMENTS'.split(' ').filter(Boolean);
const tool = args[0] || '';
const command = args.slice(1).join(' ');

Required Rules

• Verify debug symbols before profiling.
• Capture file:line for hotspots.
• Provide flame graph or equivalent output when possible.