培养方案：专业/年级版本、课程模块、学分校验、复制版本、发布锁定、旧版本归档。

教学任务：学期开课、授课教师、唯一主讲、合班、容量与周次校验、发布及结课。
SQLite 开发库已自动升级，无需删除原数据库。
新增对应 MySQL EF Core 迁移。
Vue 已编译进 wwwroot，仍可只运行 ASP.NET Core 单服务。
桌面端及 390px 窄屏页面验证通过，无前端控制台错误。

src/Jiaowu.Api/Domain/Academic/CurriculumEntities.cs

@@ -0,0 +1,52 @@
+using Jiaowu.Api.Domain.Common;
+
+namespace Jiaowu.Api.Domain.Academic;
+
+public sealed class CurriculumPlan : EntityBase
+{
+    public Guid MajorId { get; set; }
+    public Major? Major { get; set; }
+    public required string Name { get; set; }
+    public required string Version { get; set; }
+    public int EffectiveGrade { get; set; }
+    public decimal TotalCredits { get; set; }
+    public CurriculumPlanStatus Status { get; set; } = CurriculumPlanStatus.Draft;
+    public string? Description { get; set; }
+    public DateTime? PublishedAt { get; set; }
+    public ICollection<CurriculumModule> Modules { get; set; } = [];
+}
+
+public sealed class CurriculumModule : EntityBase
+{
+    public Guid CurriculumPlanId { get; set; }
+    public CurriculumPlan? CurriculumPlan { get; set; }
+    public required string Code { get; set; }
+    public required string Name { get; set; }
+    public decimal RequiredCredits { get; set; }
+    public int SortOrder { get; set; }
+    public ICollection<CurriculumCourse> Courses { get; set; } = [];
+}
+
+public sealed class CurriculumCourse : EntityBase
+{
+    public Guid CurriculumModuleId { get; set; }
+    public CurriculumModule? CurriculumModule { get; set; }
+    public Guid CourseId { get; set; }
+    public Course? Course { get; set; }
+    public int RecommendedSemester { get; set; }
+    public CurriculumCourseType Type { get; set; }
+    public string? Notes { get; set; }
+}
+
+public enum CurriculumPlanStatus
+{
+    Draft = 1,
+    Published = 2,
+    Archived = 3
+}
+
+public enum CurriculumCourseType
+{
+    Required = 1,
+    Elective = 2
+}

src/Jiaowu.Api/Domain/Academic/OrganizationEntities.cs

@@ -28,6 +28,7 @@ public sealed class AdministrativeClass : CatalogEntity
     public Major? Major { get; set; }
     public int Grade { get; set; }
     public string? CounselorName { get; set; }
+    public ICollection<Student> Students { get; set; } = [];
 }
 
 public sealed class Building : CatalogEntity

src/Jiaowu.Api/Domain/Academic/TeachingTaskEntities.cs

@@ -0,0 +1,46 @@
+using Jiaowu.Api.Domain.Common;
+
+namespace Jiaowu.Api.Domain.Academic;
+
+public sealed class TeachingTask : EntityBase
+{
+    public required string TaskNumber { get; set; }
+    public required string Name { get; set; }
+    public Guid AcademicTermId { get; set; }
+    public AcademicTerm? AcademicTerm { get; set; }
+    public Guid CourseId { get; set; }
+    public Course? Course { get; set; }
+    public int Capacity { get; set; }
+    public int StartWeek { get; set; } = 1;
+    public int EndWeek { get; set; } = 16;
+    public int WeeklyHours { get; set; } = 2;
+    public TeachingTaskStatus Status { get; set; } = TeachingTaskStatus.Draft;
+    public string? Notes { get; set; }
+    public DateTime? PublishedAt { get; set; }
+    public ICollection<TeachingTaskTeacher> Teachers { get; set; } = [];
+    public ICollection<TeachingTaskClass> Classes { get; set; } = [];
+}
+
+public sealed class TeachingTaskTeacher
+{
+    public Guid TeachingTaskId { get; set; }
+    public TeachingTask? TeachingTask { get; set; }
+    public Guid TeacherId { get; set; }
+    public Teacher? Teacher { get; set; }
+    public bool IsPrimary { get; set; }
+}
+
+public sealed class TeachingTaskClass
+{
+    public Guid TeachingTaskId { get; set; }
+    public TeachingTask? TeachingTask { get; set; }
+    public Guid AdministrativeClassId { get; set; }
+    public AdministrativeClass? AdministrativeClass { get; set; }
+}
+
+public enum TeachingTaskStatus
+{
+    Draft = 1,
+    Published = 2,
+    Closed = 3
+}