Reference for accessing session ID via ${CLAUDE_SESSION_ID} automatic substitution
$npx -y skills add cowwoc/cat --skill get-session-idInstalls into the current project.
Run `npx skills use "https://github.com/cowwoc/cat" --skill "cowwoc/cat/get-session-id"` 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/cowwoc/cat" that are relevant to the current task. Run `npx skills add "https://github.com/cowwoc/cat"` and select the relevant skills, then follow their instructions.