实验课现在直接进入普通排课流程，不再要求先到实验排课模块逐个安排。

普通“添加排课”新增“理论课 / 实验课”类型。
自动排课会分别补足理论学时和实验学时。
实验课只能安排到实验室、实训室、机房、语音室等场地。
发布课表时分别校验理论、实验学时；任一未排足都不能发布。
普通课表及 Excel 导出会标注“实验课”。
历史排课保持不变，迁移后默认识别为理论课；后续新建或修订版本时再补充实验课。

tests/Jiaowu.Api.Tests/AutomaticScheduleGeneratorTests.cs

@@ -1,6 +1,7 @@
 using Jiaowu.Api.Domain.Academic;
 using Jiaowu.Api.Infrastructure.Persistence;
 using Jiaowu.Api.Infrastructure.Scheduling;
+using Jiaowu.Api.Infrastructure.Teaching;
 using Microsoft.Data.Sqlite;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Logging.Abstractions;
@@ -157,6 +158,21 @@ public sealed class AutomaticScheduleGeneratorTests
             EndDate = new DateOnly(2027, 1, 15)
         };
         var college = new College { Code = "LAB", Name = "实验学院" };
+        var campus = new Campus { Code = "LAB-CAMPUS", Name = "实验校区" };
+        var building = new Building
+        {
+            Code = "LAB-BUILDING",
+            Name = "实验楼",
+            Campus = campus
+        };
+        var laboratory = new Classroom
+        {
+            Code = "LAB-101",
+            Name = "实验室 101",
+            Building = building,
+            Capacity = 40,
+            RoomType = "实验室"
+        };
         var course = new Course
         {
             Code = "LAB-01",
@@ -185,7 +201,7 @@ public sealed class AutomaticScheduleGeneratorTests
             Name = "实验学时拆分测试",
             Version = "V1"
         };
-        db.AddRange(term, college, course, task, plan);
+        db.AddRange(term, college, campus, building, laboratory, course, task, plan);
         db.ScheduleTimeSlots.AddRange(
             new ScheduleTimeSlot
             {
@@ -203,22 +219,22 @@ public sealed class AutomaticScheduleGeneratorTests
                 StartsAt = new TimeOnly(8, 55),
                 EndsAt = new TimeOnly(9, 40)
             });
-        db.TeachingTaskScheduleConstraints.Add(
-            new TeachingTaskScheduleConstraint
-            {
-                TeachingTask = task,
-                RequiresClassroom = false
-            });
         await db.SaveChangesAsync();
 
         var result = await new AutomaticScheduleGenerator(db)
             .GenerateAsync(plan, CancellationToken.None);
 
-        Assert.Equal(1, result.CreatedEntries);
+        Assert.Equal(2, result.CreatedEntries);
         Assert.Equal(1, result.CompletedTasks);
-        Assert.Equal(
-            1,
-            (await db.ScheduleEntries.SingleAsync()).PeriodCount);
+        var entries = await db.ScheduleEntries.OrderBy(x => x.Kind).ToListAsync();
+        Assert.Equal(2, entries.Count);
+        Assert.Contains(entries, x =>
+            x.Kind == ScheduleEntryKind.Lecture &&
+            TeachingTaskHours.ScheduledHours(x) == 16);
+        Assert.Contains(entries, x =>
+            x.Kind == ScheduleEntryKind.Experiment &&
+            x.ClassroomId == laboratory.Id &&
+            TeachingTaskHours.ScheduledHours(x) == 16);
     }
 
     [Fact]