Fan-out / fan-in deep research skill. Use this skill whenever the user wants to explore a topic in depth — even if they don't use the word "research". Trigger on phrases like "finn ut om", "hva vet vi om", "kan du se på", "deep dive", "undersøk", "sammenlign", "hva er forskjellen på", "hvilke alternativer finnes", "research", "parallel research", "researcher-agenter". Also trigger when the user asks about a tool, platform, competitor, technology, or industry context that would benefit from structured multi-angle investigation.