Travel Planner (Meta-Skill)

Weather + POI/restaurant/transport search + constraints + a complete itinerary with variants. The default answer is a complete travel plan; HTML export is an optional handoff when the user explicitly asks for a file.

Fallback

Manually call weather, multi-search-engine, summarize. If the user explicitly asks for HTML export, ask the LLM to write a styled travel-itinerary.html and publish_artifact it.