学籍异动：休学、复学、退学申请及辅导员→学院→教务处分级审批。

毕业审核：批次计算、缺失课程检查、人工复核、结果发布。
学位授予：毕业资格与 GPA 计算、人工调整、发布授予结果。
毕业离校：离校事项配置、责任角色分工、逐项办理及批次关闭。

tests/Jiaowu.Api.Tests/DegreeAwardRulesTests.cs

@@ -0,0 +1,32 @@
+using Jiaowu.Api.Domain.Academic;
+using Jiaowu.Api.Infrastructure.Graduation;
+
+namespace Jiaowu.Api.Tests;
+
+public sealed class DegreeAwardRulesTests
+{
+    [Fact]
+    public void Graduated_student_meeting_gpa_requirement_is_granted()
+    {
+        var conclusion = DegreeAwardRules.Evaluate(
+            true, StudentStatus.Graduated, 3.12m, 2.0m);
+
+        Assert.Equal(DegreeAwardConclusion.Granted, conclusion);
+    }
+
+    [Theory]
+    [InlineData(false, StudentStatus.Graduated, 3.12, 2.0)]
+    [InlineData(true, StudentStatus.Active, 3.12, 2.0)]
+    [InlineData(true, StudentStatus.Graduated, 1.99, 2.0)]
+    public void Missing_prerequisite_prevents_degree_award(
+        bool graduationEligible,
+        StudentStatus status,
+        decimal averageGradePoint,
+        decimal minimumGradePoint)
+    {
+        var conclusion = DegreeAwardRules.Evaluate(
+            graduationEligible, status, averageGradePoint, minimumGradePoint);
+
+        Assert.Equal(DegreeAwardConclusion.NotGranted, conclusion);
+    }
+}