wangzhiwei f06e895eb1 refactor(notification): 更新通知表结构，移除自增主键，手动生成ID		2026-05-25 10:01:31 +08:00
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main	refactor(notification): 更新通知表结构，移除自增主键，手动生成ID	2026-05-25 10:01:31 +08:00
test/java/art/kexue/sxwz	feat(notification): 实现通知功能，支持角色层级发送和课程群发	2026-05-15 16:57:07 +08:00