yuansiwei/DEV-MERGE-LEGACY-BACKEND-2026: 合并finance和marking-v3 @ d95282c78cd55ecd3cadaa40fc4a55173abe1921

Kou bc3c970a70 feat(academic): AC-01 模型全量 27 表 + AC-02 共享内核		há 1 dia atrás
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db.go	bc3c970a70 feat(academic): AC-01 模型全量 27 表 + AC-02 共享内核	há 1 dia atrás
db_test.go	ee4ab1dfb7 feat(identity): core-model-ddl v1.2 表结构对齐	há 3 dias atrás