BAD (never write these): - "Fix bug found while testing with Claude Capybara" - "1-shotted by claude-opus-4-6" - "Generated with Claude Code" - "Co-Authored

BAD (never write these): - "Fix bug found while testing with Claude Capybara" - "1-shotted by claude-opus-4-6" - "Generated with Claude Code" - "Co-Authored-By: Claude Opus 4.6 <…>" This makes sense to me about their intent by "UNDERCOVER"