follow bug0, 1. 入库bug0遗留的init产物（新建13个AGENTS.md：cpp/logs/examples/pyqcd/pyqcd 10子包）; 2. 更新5个AGENTS.md（测试项数校正16项、docs 51篇、refer补zengch）; 3. 全库幂等验证通过（无agent init文件/无散落skill/无缺AGENTS目录）; [opencode].
follow bug0, 1. 入库bug0遗留的init产物（新建13个AGENTS.md：cpp/logs/examples/pyqcd/pyqcd 10子包）; 2. 更新5个AGENTS.md（测试项数校正16项、docs 51篇、refer补zengch）; 3. 全库幂等验证通过（无agent init文件/无散落skill/无缺AGENTS目录）; [opencode].