Measure Create Strokes on exact code-drawn scenes in aa and hard variants,
including centre/width error, topology, ends, spurs and painted coverage.
Keep the existing allocator report in one ignored test and document the
current baseline without changing tracing behaviour or dependencies.
Co-Authored-By: Codex <noreply@openai.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>