Add CLAUDE.md and AGENTS.md for AI-assisted development guidance, analysis report with screenshots, and Playwright-based e2e test for signal cancellation flow. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Add CLAUDE.md and AGENTS.md for AI-assisted development guidance, analysis report with screenshots, and Playwright-based e2e test for signal cancellation flow. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>