feat: add four new student modules (rotation, skill-video, exam-prep, academic) with backend APIs and frontend pages; add exam-prep question history with DB persistence

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freedakgmail
2026-06-04 11:50:25 +08:00
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# NestJS 后端地址(开发环境)。/api/* 会被代理到这里,避免浏览器跨域。
BACKEND_URL=http://localhost:3000