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。

src/Jiaowu.Api/Infrastructure/Scheduling/AutomaticScheduleGenerator.cs

@@ -74,97 +74,62 @@ public sealed class AutomaticScheduleGenerator(AppDbContext db)
         {
             cancellationToken.ThrowIfCancellationRequested();
             constraints.TryGetValue(task.Id, out var constraint);
-            if (!TeachingTaskHours.TryResolveRegularWeeklyHours(
-                    task.Course!,
-                    task.StartWeek,
-                    task.EndWeek,
-                    out var requiredWeeklyHours))
+            var taskCompleted = true;
+            foreach (var kind in new[]
+                     {
+                         ScheduleEntryKind.Lecture,
+                         ScheduleEntryKind.Experiment
+                     })
             {
-                messages.Add(
-                    $"{task.TaskNumber} · {task.Name} 的普通排课学时不能按授课周次整除，请调整教学任务周次。");
-                processedTasks++;
-                if (reportProgress is not null)
+                var targetHours = TeachingTaskHours.TargetHours(task.Course!, kind);
+                var scheduledHours = entries
+                    .Where(x =>
+                        x.TeachingTaskId == task.Id &&
+                        x.Kind == kind)
+                    .Sum(TeachingTaskHours.ScheduledHours);
+                var label = kind == ScheduleEntryKind.Experiment ? "实验课" : "理论课";
+                if (scheduledHours > targetHours)
                 {
-                    await reportProgress(
-                        new(tasks.Count, processedTasks, created, completedTasks),
-                        cancellationToken);
+                    messages.Add(
+                        $"{task.TaskNumber} · {task.Name} 的{label}已安排 {scheduledHours} 学时，" +
+                        $"超过课程规定的 {targetHours} 学时，请先删除多余课次。");
+                    taskCompleted = false;
+                    continue;
                 }
-                continue;
-            }
 
-            var scheduledHours = entries
-                .Where(x => x.TeachingTaskId == task.Id)
-                .Sum(x => x.PeriodCount);
-            if (scheduledHours > requiredWeeklyHours)
-            {
-                messages.Add(
-                    $"{task.TaskNumber} · {task.Name} 已安排每周 {scheduledHours} 学时，" +
-                    $"普通课表只需 {requiredWeeklyHours} 学时；请删除已包含的实践学时。");
-                processedTasks++;
-                if (reportProgress is not null)
+                var remainingHours = targetHours - scheduledHours;
+                while (remainingHours > 0)
                 {
-                    await reportProgress(
-                        new(tasks.Count, processedTasks, created, completedTasks),
-                        cancellationToken);
-                }
-                continue;
-            }
-
-            var remainingHours = requiredWeeklyHours - scheduledHours;
-            if (remainingHours == 0)
-            {
-                completedTasks++;
-                processedTasks++;
-                if (reportProgress is not null)
-                {
-                    await reportProgress(
-                        new(tasks.Count, processedTasks, created, completedTasks),
-                        cancellationToken);
-                }
-                continue;
-            }
-
-            while (remainingHours > 0)
-            {
-                var desiredBlock = remainingHours >= 2 ? 2 : 1;
-                var candidate = FindBestCandidate(
-                    plan.Id,
-                    task,
-                    constraint,
-                    desiredBlock,
-                    activePeriods,
-                    classrooms,
-                    entries,
-                    cancellationToken);
-                if (candidate is null && desiredBlock > 1)
-                {
-                    candidate = FindBestCandidate(
+                    var candidate = FindBestCandidateForHours(
                         plan.Id,
                         task,
                         constraint,
-                        1,
+                        kind,
+                        remainingHours,
                         activePeriods,
                         classrooms,
                         entries,
                         cancellationToken);
+                    if (candidate is null) break;
+
+                    db.ScheduleEntries.Add(candidate);
+                    entries.Add(candidate);
+                    created++;
+                    remainingHours -= TeachingTaskHours.ScheduledHours(candidate);
                 }
-                if (candidate is null) break;
 
-                db.ScheduleEntries.Add(candidate);
-                entries.Add(candidate);
-                created++;
-                remainingHours -= candidate.PeriodCount;
+                if (remainingHours > 0)
+                {
+                    messages.Add(
+                        $"{task.TaskNumber} · {task.Name} 仍有 {remainingHours} 个{label}学时无法安排，" +
+                        (kind == ScheduleEntryKind.Experiment
+                            ? "请检查实验室/机房容量、教师班级冲突或时间约束。"
+                            : "请检查教师/班级冲突或场地与时间约束。"));
+                    taskCompleted = false;
+                }
             }
 
-            if (remainingHours == 0)
-            {
-                completedTasks++;
-            }
-            else
-            {
-                messages.Add(
-                    $"{task.TaskNumber} · {task.Name} 仍有 {remainingHours} 学时无法安排，请检查教师/班级冲突或场地与时间约束。");
-            }
+            if (taskCompleted) completedTasks++;
 
             processedTasks++;
             if (reportProgress is not null)
@@ -185,11 +150,51 @@ public sealed class AutomaticScheduleGenerator(AppDbContext db)
             processedTasks);
     }
 
+    private static ScheduleEntry? FindBestCandidateForHours(
+        Guid planId,
+        TeachingTask task,
+        TeachingTaskScheduleConstraint? constraint,
+        ScheduleEntryKind kind,
+        int remainingHours,
+        HashSet<int> activePeriods,
+        IReadOnlyList<Classroom> classrooms,
+        IReadOnlyList<ScheduleEntry> entries,
+        CancellationToken cancellationToken)
+    {
+        var weekCount = task.EndWeek - task.StartWeek + 1;
+        foreach (var periodCount in remainingHours >= 2
+                     ? new[] { 2, 1 }
+                     : new[] { 1 })
+        {
+            var maxOccurrences = Math.Min(
+                weekCount,
+                remainingHours / periodCount);
+            for (var occurrences = maxOccurrences; occurrences >= 1; occurrences--)
+            {
+                var candidate = FindBestCandidate(
+                    planId,
+                    task,
+                    constraint,
+                    kind,
+                    periodCount,
+                    occurrences,
+                    activePeriods,
+                    classrooms,
+                    entries,
+                    cancellationToken);
+                if (candidate is not null) return candidate;
+            }
+        }
+        return null;
+    }
+
     private static ScheduleEntry? FindBestCandidate(
         Guid planId,
         TeachingTask task,
         TeachingTaskScheduleConstraint? constraint,
+        ScheduleEntryKind kind,
         int periodCount,
+        int occurrenceCount,
         HashSet<int> activePeriods,
         IReadOnlyList<Classroom> classrooms,
         IReadOnlyList<ScheduleEntry> entries,
@@ -198,50 +203,60 @@ public sealed class AutomaticScheduleGenerator(AppDbContext db)
         var allowedDays = ParseAllowedDays(constraint?.AllowedDayOfWeeks);
         var firstPeriod = constraint?.EarliestPeriod ?? activePeriods.Min();
         var lastPeriod = constraint?.LatestPeriod ?? activePeriods.Max();
-        var rooms = EligibleRooms(task, constraint, classrooms);
+        var rooms = EligibleRooms(task, constraint, kind, classrooms);
         if ((constraint?.RequiresClassroom ?? true) && rooms.Count == 0)
             return null;
 
         var candidates = new List<(ScheduleEntry Entry, int Score)>();
-        foreach (var day in allowedDays)
+        for (var startWeek = task.StartWeek;
+             startWeek + occurrenceCount - 1 <= task.EndWeek;
+             startWeek++)
         {
-            cancellationToken.ThrowIfCancellationRequested();
-            for (var start = firstPeriod; start + periodCount - 1 <= lastPeriod; start++)
+            foreach (var day in allowedDays)
             {
                 cancellationToken.ThrowIfCancellationRequested();
-                if (Enumerable.Range(start, periodCount).Any(period => !activePeriods.Contains(period)))
-                    continue;
-
-                var roomOptions = constraint?.RequiresClassroom == false
-                    ? new Classroom?[] { null }
-                    : rooms.Cast<Classroom?>().ToArray();
-                foreach (var room in roomOptions)
+                for (var start = firstPeriod; start + periodCount - 1 <= lastPeriod; start++)
                 {
-                    var proposed = new ScheduleEntry
-                    {
-                        SchedulePlanId = planId,
-                        TeachingTaskId = task.Id,
-                        TeachingTask = task,
-                        ClassroomId = room?.Id,
-                        DayOfWeek = day,
-                        StartPeriod = start,
-                        PeriodCount = periodCount,
-                        StartWeek = task.StartWeek,
-                        EndWeek = task.EndWeek,
-                        WeekPattern = WeekPattern.All,
-                        Notes = "自动排课"
-                    };
-                    if (entries.Any(existing =>
-                            ScheduleConflictDetector.TimeOverlaps(existing, proposed) &&
-                            ScheduleConflictDetector.ConflictReason(existing, proposed) is not null))
+                    cancellationToken.ThrowIfCancellationRequested();
+                    if (Enumerable.Range(start, periodCount).Any(period => !activePeriods.Contains(period)))
                         continue;
 
-                    var sameTaskDay = entries.Count(x =>
-                        x.TeachingTaskId == task.Id && x.DayOfWeek == day);
-                    var dayLoad = entries.Count(x => x.DayOfWeek == day);
-                    var roomWaste = room is null ? 0 : Math.Max(0, room.Capacity - task.Capacity);
-                    var score = sameTaskDay * 1000 + dayLoad * 10 + start + roomWaste / 10;
-                    candidates.Add((proposed, score));
+                    var roomOptions = kind != ScheduleEntryKind.Experiment &&
+                                      constraint?.RequiresClassroom == false
+                        ? new Classroom?[] { null }
+                        : rooms.Cast<Classroom?>().ToArray();
+                    foreach (var room in roomOptions)
+                    {
+                        var proposed = new ScheduleEntry
+                        {
+                            SchedulePlanId = planId,
+                            TeachingTaskId = task.Id,
+                            TeachingTask = task,
+                            Kind = kind,
+                            ClassroomId = room?.Id,
+                            DayOfWeek = day,
+                            StartPeriod = start,
+                            PeriodCount = periodCount,
+                            StartWeek = startWeek,
+                            EndWeek = startWeek + occurrenceCount - 1,
+                            WeekPattern = WeekPattern.All,
+                            Notes = kind == ScheduleEntryKind.Experiment
+                                ? "自动排课 · 实验课"
+                                : "自动排课 · 理论课"
+                        };
+                        if (entries.Any(existing =>
+                                ScheduleConflictDetector.TimeOverlaps(existing, proposed) &&
+                                ScheduleConflictDetector.ConflictReason(existing, proposed) is not null))
+                            continue;
+
+                        var sameTaskDay = entries.Count(x =>
+                            x.TeachingTaskId == task.Id && x.DayOfWeek == day);
+                        var dayLoad = entries.Count(x => x.DayOfWeek == day);
+                        var roomWaste = room is null ? 0 : Math.Max(0, room.Capacity - task.Capacity);
+                        var score = sameTaskDay * 1000 + dayLoad * 10 + start +
+                                    roomWaste / 10 + startWeek;
+                        candidates.Add((proposed, score));
+                    }
                 }
             }
         }
@@ -256,9 +271,11 @@ public sealed class AutomaticScheduleGenerator(AppDbContext db)
     private static IReadOnlyList<Classroom> EligibleRooms(
         TeachingTask task,
         TeachingTaskScheduleConstraint? constraint,
+        ScheduleEntryKind kind,
         IReadOnlyList<Classroom> classrooms)
     {
-        if (constraint?.RequiresClassroom == false) return [];
+        if (kind != ScheduleEntryKind.Experiment &&
+            constraint?.RequiresClassroom == false) return [];
         var allowedRoomIds = constraint?.AllowedClassrooms
             .Select(x => x.ClassroomId)
             .ToHashSet() ?? [];
@@ -273,10 +290,17 @@ public sealed class AutomaticScheduleGenerator(AppDbContext db)
                     room.Building!.CampusId == requiredCampusId) &&
                 (constraint?.RequiredBuildingId is not Guid requiredBuildingId ||
                     room.BuildingId == requiredBuildingId) &&
-                (allowedRoomIds.Count == 0 || allowedRoomIds.Contains(room.Id)))
+                (allowedRoomIds.Count == 0 || allowedRoomIds.Contains(room.Id)) &&
+                (kind != ScheduleEntryKind.Experiment || IsExperimentRoom(room.RoomType)))
             .ToList();
     }
 
+    private static bool IsExperimentRoom(string roomType) =>
+        roomType.Contains("实验", StringComparison.OrdinalIgnoreCase) ||
+        roomType.Contains("实训", StringComparison.OrdinalIgnoreCase) ||
+        roomType.Contains("机房", StringComparison.OrdinalIgnoreCase) ||
+        roomType.Contains("语音", StringComparison.OrdinalIgnoreCase);
+
     private static int[] ParseAllowedDays(string? value)
     {
         if (string.IsNullOrWhiteSpace(value)) return [1, 2, 3, 4, 5];