arbor-agent-ideate

Run `npx skills use "https://github.com/ruc-nlpir/arbor" --skill "ruc-nlpir/arbor/arbor-agent-ideate"` 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/ruc-nlpir/arbor" that are relevant to the current task. Run `npx skills add "https://github.com/ruc-nlpir/arbor"` and select the relevant skills, then follow their instructions.