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chenyuan 3af6320739 feat: add exam assessment backend		4 weeks ago
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2026-06-23-class-management-v1.sql	feat: tighten teaching class permissions	4 months ago
2026-06-23-teacher-admin-permissions.sql	feat: add teacher admin ownership fields	4 months ago
2026-06-23-zhiyun-external-mapping-backfill.sql	chore: save current training task changes	3 months ago
2026-06-24-student-training-answer.sql	chore: save current training task changes	3 months ago
2026-06-24-training-task-management.sql	chore: save current training task changes	3 months ago
2026-07-02-stu-rank-indexes.sql	chore: save current training task changes	3 months ago
2026-07-02-training-task-class-config.sql	feat: add class scoped training task storage	3 months ago
2026-07-05-training-task-defaults-and-class-config.sql	chore: save current training task changes	3 months ago
2026-07-05-userinfo-teacher-admin-nullable.sql	chore: save current training task changes	3 months ago
2026-07-16-ai-training-evaluation.sql	feat: persist AI training evaluations	3 months ago
2026-07-30-backfill-school-default-tasks.sql	fix: support mixed collation task backfill	3 months ago
2026-07-30-school-default-task-initialization.sql	feat: add school default task service	3 months ago
2026-07-30-school-organization-menu-switches.sql	feat: add school organization capability switches	3 months ago
2026-07-30-school-product-config.sql	feat: add school product configuration	3 months ago
2026-07-30-student-demo-session.sql	feat: add teacher student demo sessions	3 months ago
2026-08-01-teaching-class-score-weight.sql	feat: scope teacher scores to owned classes	2 months ago
2026-08-25-normalize-training-material-urls.sql	fix: use deployment-relative material URLs	2 months ago
2026-08-28-training-knowledge.sql	feat: 增加实训 AI 知识库解析	2 months ago
2026-09-15-exam.sql	feat: add exam assessment backend	4 weeks ago