8 Commits (fix/exam-question-access-material-excel-delete-draft)

Author	SHA1	Message	Date
chenyuan	c34518dd1e	fix: enable reassessment after saved answers change	1 month ago
陈沅	e8c1f08640	feat: 优化学生端 AI 助学体验	2 months ago
chenyuan	ade2fb1cbe	merge: add AI help question flow	2 months ago
chenyuan	19e1310ca8	fix: guard AI assessment until saved	2 months ago
chenyuan	a3ee21e568	feat: send student questions to AI help	2 months ago
chenyuan	33b113e9cb	test: execute AI evaluation report normalization	3 months ago
chenyuan	bed1cc47cd	fix: map flat AI training evaluation payload	3 months ago
chenyuan	d731aa1614	feat: add AI training evaluation frontend	3 months ago