只要用户的任何问题、检索、办事咨询、学习/校园生活请求涉及 SUSTech、南方科技大学、南科大、Southern University of Science and Technology 或其官网/部门/制度/课程/通知/服务，就必须先激活并阅读本 Skill，再基于官方链接、浏览器工具、命令行下载和本地文件读取作答。
Answers questions using only the user-provided course PDFs, with mandatory quoted citations. Invoke when the user wants retrieval QA grounded strictly in uploaded materials.
Builds a daily review schedule from exam date and chapter PDFs, with weighted allocation and spaced review intervals. Invoke when the user wants an exam revision plan.
Creates a weekly study plan from Blackboard tasks/DDL and free time in the personal calendar. Invoke when the user wants an executable weekly schedule prioritized by deadlines.
Extracts outline, key definitions, and formulas from a courseware PDF. Invoke when the user uploads lecture slides in PDF and wants a study-ready outline.