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/SchedulePublishJobProcessorTests.cs

@@ -32,40 +32,41 @@ public sealed class SchedulePublishJobProcessorTests
         Assert.Equal(SchedulePlanStatus.Draft, result.PlanStatus);
         Assert.Null(result.ActiveAcademicTermId);
         Assert.Equal("检查未通过", result.CurrentStep);
-        Assert.Contains("尚未达到每周 2 个普通排课学时", result.ErrorMessage);
+        Assert.Contains("理论课应安排 32 学时，当前已安排 16 学时", result.ErrorMessage);
         Assert.Null(result.PublishedAt);
     }
 
     [Fact]
-    public async Task Processor_excludes_practice_hours_for_existing_tasks()
+    public async Task Processor_requires_experiment_hours_in_regular_schedule()
     {
         var result = await RunPublishAsync(
             weeklyHours: 2,
             scheduledHours: 1,
-            practiceHours: 16);
+            practiceHours: 16,
+            experimentScheduledHours: 1);
 
         Assert.Equal(SchedulePublishJobStatus.Succeeded, result.JobStatus);
         Assert.Equal(SchedulePlanStatus.Published, result.PlanStatus);
     }
 
     [Fact]
-    public async Task Processor_rejects_practice_hours_already_added_to_draft()
+    public async Task Processor_rejects_missing_experiment_hours()
     {
         var result = await RunPublishAsync(
             weeklyHours: 2,
-            scheduledHours: 2,
+            scheduledHours: 1,
             practiceHours: 16);
 
         Assert.Equal(SchedulePublishJobStatus.Failed, result.JobStatus);
         Assert.Equal(SchedulePlanStatus.Draft, result.PlanStatus);
-        Assert.Contains("普通课表应为 1 学时", result.ErrorMessage);
-        Assert.Contains("删除已包含的实践学时", result.ErrorMessage);
+        Assert.Contains("实验课应安排 16 学时，当前已安排 0 学时", result.ErrorMessage);
     }
 
     private static async Task<PublishResult> RunPublishAsync(
         int weeklyHours,
         int scheduledHours,
-        int practiceHours = 0)
+        int practiceHours = 0,
+        int experimentScheduledHours = 0)
     {
         var databasePath = Path.Combine(
             Path.GetTempPath(),
@@ -97,6 +98,21 @@ public sealed class SchedulePublishJobProcessorTests
                     EndDate = new DateOnly(2027, 1, 15)
                 };
                 var college = new College { Code = "PUB", Name = "发布测试学院" };
+                var campus = new Campus { Code = "PUB-CAMPUS", Name = "发布测试校区" };
+                var building = new Building
+                {
+                    Code = "PUB-BUILDING",
+                    Name = "实验楼",
+                    Campus = campus
+                };
+                var laboratory = new Classroom
+                {
+                    Code = "PUB-LAB",
+                    Name = "发布测试实验室",
+                    Building = building,
+                    Capacity = 80,
+                    RoomType = "实验室"
+                };
                 var course = new Course
                 {
                     Code = "PUB-01",
@@ -135,6 +151,21 @@ public sealed class SchedulePublishJobProcessorTests
                     EndWeek = 16,
                     WeekPattern = WeekPattern.All
                 });
+                if (experimentScheduledHours > 0)
+                {
+                    plan.Entries.Add(new ScheduleEntry
+                    {
+                        TeachingTask = task,
+                        Kind = ScheduleEntryKind.Experiment,
+                        Classroom = laboratory,
+                        DayOfWeek = 2,
+                        StartPeriod = 1,
+                        PeriodCount = experimentScheduledHours,
+                        StartWeek = 1,
+                        EndWeek = 16,
+                        WeekPattern = WeekPattern.All
+                    });
+                }
                 var job = new SchedulePublishJob
                 {
                     SchedulePlan = plan,
@@ -143,7 +174,16 @@ public sealed class SchedulePublishJobProcessorTests
                     CurrentStep = "等待后台检查"
                 };
                 jobId = job.Id;
-                db.AddRange(term, college, course, task, plan, job);
+                db.AddRange(
+                    term,
+                    college,
+                    campus,
+                    building,
+                    laboratory,
+                    course,
+                    task,
+                    plan,
+                    job);
                 db.ScheduleTimeSlots.AddRange(
                     new ScheduleTimeSlot
                     {