Use when the user references past sessions, asks 'what did we do', 'do you remember', 'last session', 'recall', or 'continue from'.
$npx -y skills add cwinvestments/memstack --skill echoInstalls into the current project.
Run `npx skills use "https://github.com/cwinvestments/memstack" --skill "cwinvestments/memstack/echo"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/cwinvestments/memstack" that are relevant to the current task. Run `npx skills add "https://github.com/cwinvestments/memstack"` and select the relevant skills, then follow their instructions.