The change adds a new "GitHub Markdown Rules" section to the sisyphus agent prompt that specifies: - Code blocks MUST have exactly 3 backticks with language identifier - Every opening ``` MUST have a matching closing ``` on its own line - No trailing backticks or spaces after closing ``` - Inline code should use single backticks - Lists inside code blocks break rendering This fixes the issue where code blocks in GitHub comments weren't being closed properly, causing broken markdown rendering. 🤖 Generated with assistance of [OhMyOpenCode](https://github.com/code-yeongyu/oh-my-opencode)