Remove XML comments from generated prompts with proper code block marker matching (fixes #822)#827

pelikhan merged 5 commits intomaingithub/gh-aw:mainfrom

copilot/fix-37209513-5f03-4a5e-af74-e261cb66b76dgithub/gh-aw:copilot/fix-37209513-5f03-4a5e-af74-e261cb66b76dCopy head branch name to clipboard