Add Echo Rule watermark analysis for LLM learning article#8

johnzfitch merged 1 commit intomainjohnzfitch/specHO:mainfrom

claude/specho-authenticity-analysis-012E4Zv1DMrpbG8S86p8Qpjnjohnzfitch/specHO:claude/specho-authenticity-analysis-012E4Zv1DMrpbG8S86p8QpjnCopy head branch name to clipboard