slash commands can't find

<img width="1776" height="722" alt="Image" src="https://github.com/user-attachments/assets/8be59ae4-fe05-4005-b6a7-6618ddd25098" />
When I executed according to the content in the documentation, I found that commands like /product-analyze are not available. These are Claude Code's slash commands, right? Can you provide these commands for research and learning?