Use when the user wants to search academic papers, find literature, download PDFs, or export citations. Invoke when user mentions "论文", "文献", "paper", "research", "学术搜索", "BibTeX", "DOI", or asks to find/search/download academic papers from any source.
Use when the user wants to search for rental apartments, compare listings across platforms, or asks for help finding housing. Invoke when user mentions "租房", "找房", "房源", "rent", "apartment search", or asks to find housing in any supported region.
Use when the user wants to plan a trip, compare hotels/flights/attractions across platforms, or asks for travel recommendations. Invoke when user mentions "旅游攻略", "旅行规划", "travel planning", or asks to plan a trip to any destination.
Use when the user asks about 高考 (Chinese college entrance exam) data — score lines, one-score-one-rank tables, university info, or admission guidance. Invoke when user mentions "高考", "分数线", "一分一段", "志愿填报", "大学排名", "985", "211", or asks about college admission in China.