排课版本新建、编辑、复制、发布、归档和删除。

周课表视图，支持12节课、单双周和起止周。
自动校验教师、行政班、教室、时间段冲突。
校验教室容量、教学任务状态和学期范围。
SQLite 开发环境自动升级，MySQL 提供正式 EF Core 迁移。
Vue 已编译为静态文件并随 ASP.NET Core 发布，无需 npm run dev。
桌面端和390px移动端页面均已验收。

src/Jiaowu.Api/Infrastructure/Persistence/AppDbContext.cs

@@ -26,6 +26,8 @@ public sealed class AppDbContext(DbContextOptions<AppDbContext> options)
     public DbSet<TeachingTask> TeachingTasks => Set<TeachingTask>();
     public DbSet<TeachingTaskTeacher> TeachingTaskTeachers => Set<TeachingTaskTeacher>();
     public DbSet<TeachingTaskClass> TeachingTaskClasses => Set<TeachingTaskClass>();
+    public DbSet<SchedulePlan> SchedulePlans => Set<SchedulePlan>();
+    public DbSet<ScheduleEntry> ScheduleEntries => Set<ScheduleEntry>();
     public DbSet<AuditLog> AuditLogs => Set<AuditLog>();
 
     protected override void OnModelCreating(ModelBuilder builder)
@@ -221,6 +223,42 @@ public sealed class AppDbContext(DbContextOptions<AppDbContext> options)
                 .OnDelete(DeleteBehavior.Restrict);
         });
 
+        builder.Entity<SchedulePlan>(entity =>
+        {
+            entity.Property(x => x.Name).HasMaxLength(120);
+            entity.Property(x => x.Version).HasMaxLength(30);
+            entity.Property(x => x.Notes).HasMaxLength(500);
+            entity.HasIndex(x => new { x.AcademicTermId, x.Version }).IsUnique();
+            entity.HasIndex(x => new { x.AcademicTermId, x.Status });
+            entity.HasOne(x => x.AcademicTerm)
+                .WithMany()
+                .HasForeignKey(x => x.AcademicTermId)
+                .OnDelete(DeleteBehavior.Restrict);
+        });
+
+        builder.Entity<ScheduleEntry>(entity =>
+        {
+            entity.Property(x => x.Notes).HasMaxLength(500);
+            entity.HasIndex(x => new
+            {
+                x.SchedulePlanId,
+                x.DayOfWeek,
+                x.StartPeriod
+            });
+            entity.HasOne(x => x.SchedulePlan)
+                .WithMany(x => x.Entries)
+                .HasForeignKey(x => x.SchedulePlanId)
+                .OnDelete(DeleteBehavior.Cascade);
+            entity.HasOne(x => x.TeachingTask)
+                .WithMany()
+                .HasForeignKey(x => x.TeachingTaskId)
+                .OnDelete(DeleteBehavior.Restrict);
+            entity.HasOne(x => x.Classroom)
+                .WithMany()
+                .HasForeignKey(x => x.ClassroomId)
+                .OnDelete(DeleteBehavior.Restrict);
+        });
+
         builder.Entity<AuditLog>(entity =>
         {
             entity.Property(x => x.Method).HasMaxLength(10);