修复实验成绩管理：

管理列表改为服务端分页，支持 10/20/50 条切换。
增加学期、成绩状态、开课学院以及项目/课程/教学班/教师关键词筛选。
数据范围分级：校级管理员可查看全校，院级管理员仅限本学院，教师仅限本人任课项目。
修复任课教师提交审核时报“无权限”：工作流查询现在会加载任课教师关系。
增加权限、学院隔离、分页和筛选回归测试。

.env.example

@@ -18,6 +18,7 @@ BackgroundJobs__AutomaticScheduleConcurrency=1
 BackgroundJobs__SchedulePublishConcurrency=1
 BackgroundJobs__MakeupExamAutoConcurrency=1
 BackgroundJobs__ExamArrangementConcurrency=1
+BackgroundJobs__CourseGradeStatisticsRefreshConcurrency=1
 # RabbitMq__HostName=rabbitmq.example.edu.cn
 # RabbitMq__Port=5671
 # RabbitMq__UserName=jiaowu

src/Jiaowu.Api/Controllers/ApprovalsController.cs

@@ -251,13 +251,6 @@ public sealed class ApprovalsController(AppDbContext db, ICurrentUserDataScope s
         // Auto-apply: update grade record
         gm.GradeRecord!.TotalScore = gm.RequestedScore;
         gm.GradeRecord.GradePoint = GradeCalculator.CalculateGradePoint(gm.RequestedScore);
-        var statisticsJob = new CourseGradeStatisticsRefreshJob
-        {
-            GradeSheetId = gm.GradeRecord.GradeSheetId
-        };
-        db.CourseGradeStatisticsRefreshJobs.Add(statisticsJob);
-        db.BackgroundJobOutboxMessages.Add(BackgroundJobOutboxMessage.Create(
-            BackgroundJobKind.CourseGradeStatisticsRefresh, statisticsJob.Id));
         await db.SaveChangesAsync(ct);
         await NotificationService.SendAsync(
             db,

src/Jiaowu.Api/Controllers/CourseAdjustmentsController.cs

@@ -3,6 +3,7 @@ using Jiaowu.Api.Domain.Academic;
 using Jiaowu.Api.Domain.Identity;
 using Jiaowu.Api.Infrastructure.Auth;
 using Jiaowu.Api.Infrastructure.Persistence;
+using Jiaowu.Api.Infrastructure.Timetables;
 using Jiaowu.Api.Infrastructure.Scheduling;
 using Jiaowu.Api.Infrastructure.Teaching;
 using Microsoft.AspNetCore.Authorization;
@@ -286,6 +287,8 @@ public sealed class CourseAdjustmentsController(
 
         db.CourseAdjustments.Add(adj);
         await db.SaveChangesAsync(cancellationToken);
+        await new PublishedTimetableProjectionService(db)
+            .RebuildPublishedPlansForTaskAsync(adj.TeachingTaskId, cancellationToken);
 
         if (request.Submit)
         {

src/Jiaowu.Api/Controllers/CourseGroupsController.cs

@@ -0,0 +1,161 @@
+using System.ComponentModel.DataAnnotations;
+using Jiaowu.Api.Domain.Academic;
+using Jiaowu.Api.Domain.Identity;
+using Jiaowu.Api.Infrastructure.Persistence;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+
+namespace Jiaowu.Api.Controllers;
+
+[ApiController]
+[Authorize(Roles = ReadRoles)]
+[Route("api/course-groups")]
+public sealed class CourseGroupsController(AppDbContext db) : ControllerBase
+{
+    private const string ReadRoles =
+        SystemRoles.SuperAdmin + "," +
+        SystemRoles.AcademicAdmin + "," +
+        SystemRoles.CollegeAdmin;
+    private const string ManageRoles =
+        SystemRoles.SuperAdmin + "," +
+        SystemRoles.AcademicAdmin;
+
+    [HttpGet]
+    public async Task<ActionResult> GetAll(CancellationToken cancellationToken)
+    {
+        var groups = await db.CourseGroups.AsNoTracking()
+            .OrderBy(x => x.Code)
+            .Select(x => new
+            {
+                x.Id,
+                x.Code,
+                x.Name,
+                x.Description,
+                CourseCount = x.Courses.Count,
+                Courses = x.Courses.OrderBy(item => item.Course!.Code).Select(item => new
+                {
+                    item.Id,
+                    item.CourseId,
+                    CourseCode = item.Course!.Code,
+                    CourseName = item.Course.Name,
+                    item.Course.Credits,
+                    item.Course.TotalHours,
+                    item.Course.Nature
+                })
+            })
+            .ToListAsync(cancellationToken);
+        return Ok(groups);
+    }
+
+    [HttpPost]
+    [Authorize(Roles = ManageRoles)]
+    public async Task<ActionResult> Create(
+        CourseGroupRequest request,
+        CancellationToken cancellationToken)
+    {
+        var group = new CourseGroup
+        {
+            Code = request.Code.Trim(),
+            Name = request.Name.Trim(),
+            Description = Normalize(request.Description)
+        };
+        db.CourseGroups.Add(group);
+        return await SaveCreatedAsync(group.Id, cancellationToken);
+    }
+
+    [HttpPut("{id:guid}")]
+    [Authorize(Roles = ManageRoles)]
+    public async Task<ActionResult> Update(
+        Guid id,
+        CourseGroupRequest request,
+        CancellationToken cancellationToken)
+    {
+        var group = await db.CourseGroups.FirstOrDefaultAsync(x => x.Id == id, cancellationToken);
+        if (group is null) return NotFound();
+        group.Code = request.Code.Trim();
+        group.Name = request.Name.Trim();
+        group.Description = Normalize(request.Description);
+        return await SaveNoContentAsync(cancellationToken);
+    }
+
+    [HttpDelete("{id:guid}")]
+    [Authorize(Roles = ManageRoles)]
+    public async Task<ActionResult> Delete(Guid id, CancellationToken cancellationToken)
+    {
+        var group = await db.CourseGroups.FirstOrDefaultAsync(x => x.Id == id, cancellationToken);
+        if (group is null) return NotFound();
+        db.CourseGroups.Remove(group);
+        return await SaveNoContentAsync(cancellationToken);
+    }
+
+    [HttpPost("{id:guid}/courses")]
+    [Authorize(Roles = ManageRoles)]
+    public async Task<ActionResult> AddCourse(
+        Guid id,
+        CourseGroupCourseRequest request,
+        CancellationToken cancellationToken)
+    {
+        if (!await db.CourseGroups.AnyAsync(x => x.Id == id, cancellationToken)) return NotFound();
+        if (!await db.Courses.AnyAsync(x => x.Id == request.CourseId && x.IsEnabled, cancellationToken))
+            return ValidationProblem("所选课程不存在或已停用。");
+        db.CourseGroupCourses.Add(new CourseGroupCourse { CourseGroupId = id, CourseId = request.CourseId });
+        return await SaveCreatedAsync(id, cancellationToken);
+    }
+
+    [HttpDelete("{id:guid}/courses/{courseId:guid}")]
+    [Authorize(Roles = ManageRoles)]
+    public async Task<ActionResult> RemoveCourse(
+        Guid id,
+        Guid courseId,
+        CancellationToken cancellationToken)
+    {
+        var item = await db.CourseGroupCourses.FirstOrDefaultAsync(
+            x => x.CourseGroupId == id && x.CourseId == courseId,
+            cancellationToken);
+        if (item is null) return NotFound();
+        db.CourseGroupCourses.Remove(item);
+        return await SaveNoContentAsync(cancellationToken);
+    }
+
+    private async Task<ActionResult> SaveCreatedAsync(Guid id, CancellationToken cancellationToken)
+    {
+        try
+        {
+            await db.SaveChangesAsync(cancellationToken);
+            return Created(string.Empty, new { id });
+        }
+        catch (DbUpdateException)
+        {
+            return ConflictProblem("课程组编码或组内课程重复。");
+        }
+    }
+
+    private async Task<ActionResult> SaveNoContentAsync(CancellationToken cancellationToken)
+    {
+        try
+        {
+            await db.SaveChangesAsync(cancellationToken);
+            return NoContent();
+        }
+        catch (DbUpdateException)
+        {
+            return ConflictProblem("课程组编码或组内课程重复。");
+        }
+    }
+
+    private ActionResult ConflictProblem(string detail) => Conflict(new ProblemDetails
+    {
+        Title = "无法完成操作", Detail = detail, Status = StatusCodes.Status409Conflict
+    });
+
+    private static string? Normalize(string? value) =>
+        string.IsNullOrWhiteSpace(value) ? null : value.Trim();
+}
+
+public sealed record CourseGroupRequest(
+    [Required, MaxLength(30)] string Code,
+    [Required, MaxLength(100)] string Name,
+    [MaxLength(500)] string? Description);
+
+public sealed record CourseGroupCourseRequest(Guid CourseId);

src/Jiaowu.Api/Controllers/CourseSelectionsController.cs

@@ -1011,7 +1011,11 @@ public sealed class CourseSelectionsController(
                 x.TeachingTask!.Status == TeachingTaskStatus.Published &&
                 (x.IsOpenToAll ||
                  x.TeachingTask.Classes.Any(item =>
-                     item.AdministrativeClassId == student.AdministrativeClassId)))
+                     item.AdministrativeClassId == student.AdministrativeClassId) ||
+                 x.Enrollments.Any(item =>
+                     item.StudentId == student.Id &&
+                     (item.Status == CourseEnrollmentStatus.Enrolled ||
+                      item.Status == CourseEnrollmentStatus.Waitlisted))))
             .OrderBy(x => x.TeachingTask!.Course!.Code)
             .Select(x => new StudentOfferingDto(
                 x.Id,

src/Jiaowu.Api/Controllers/CurriculumPlansController.cs

@@ -432,6 +432,48 @@ public sealed class CurriculumPlansController(
         return await SaveCreatedAsync(item.Id, cancellationToken);
     }
 
+    [HttpPost("{planId:guid}/modules/{moduleId:guid}/course-groups/{groupId:guid}")]
+    public async Task<ActionResult> AddCourseGroup(
+        Guid planId,
+        Guid moduleId,
+        Guid groupId,
+        CurriculumCourseGroupImportRequest request,
+        CancellationToken cancellationToken)
+    {
+        var plan = await ModifiablePlanAsync(planId, cancellationToken);
+        if (plan is null) return NotFound();
+        if (request.RecommendedSemester > plan.Major!.SchoolingYears * 2)
+            return ValidationProblem("建议学期超出了该专业学制。");
+        if (!await db.CurriculumModules.AnyAsync(
+                x => x.Id == moduleId && x.CurriculumPlanId == planId,
+                cancellationToken))
+            return NotFound();
+
+        var courseIds = await db.CourseGroupCourses.AsNoTracking()
+            .Where(x => x.CourseGroupId == groupId && x.Course!.IsEnabled)
+            .Select(x => x.CourseId)
+            .ToListAsync(cancellationToken);
+        if (courseIds.Count == 0)
+            return ValidationProblem("课程组不存在，或其中没有可用课程。");
+        var existingCourseIds = await db.CurriculumCourses.AsNoTracking()
+            .Where(x => x.CurriculumModule!.CurriculumPlanId == planId &&
+                        courseIds.Contains(x.CourseId))
+            .Select(x => x.CourseId)
+            .ToListAsync(cancellationToken);
+        if (existingCourseIds.Count > 0)
+            return ConflictProblem("课程组中有课程已存在于该培养方案，请先移除重复课程后再导入。");
+
+        db.CurriculumCourses.AddRange(courseIds.Select(courseId => new CurriculumCourse
+        {
+            CurriculumModuleId = moduleId,
+            CourseId = courseId,
+            RecommendedSemester = request.RecommendedSemester,
+            Type = request.Type,
+            Notes = Normalize(request.Notes)
+        }));
+        return await SaveNoContentAsync(cancellationToken);
+    }
+
     [HttpPut("{planId:guid}/modules/{moduleId:guid}/courses/{itemId:guid}")]
     public async Task<ActionResult> UpdateCourse(
         Guid planId,
@@ -586,3 +628,8 @@ public sealed record CurriculumCourseRequest(
     [Range(1, 20)] int RecommendedSemester,
     CurriculumCourseType Type,
     [MaxLength(500)] string? Notes);
+
+public sealed record CurriculumCourseGroupImportRequest(
+    [Range(1, 20)] int RecommendedSemester,
+    CurriculumCourseType Type,
+    [MaxLength(500)] string? Notes);

src/Jiaowu.Api/Controllers/ExperimentGradesController.cs

@@ -38,8 +38,15 @@ public sealed class ExperimentGradesController(
     public async Task<ActionResult> GetManagement(
         Guid? academicTermId,
         ExperimentGradeSheetStatus? status,
-        CancellationToken cancellationToken)
+        Guid? collegeId = null,
+        string? keyword = null,
+        int page = 1,
+        int pageSize = 20,
+        CancellationToken cancellationToken = default)
     {
+        page = Math.Max(1, page);
+        pageSize = Math.Clamp(pageSize, 10, 50);
+        keyword = Normalize(keyword);
         var source = ScopedProjects().AsNoTracking()
             .Where(x =>
                 x.Status == ExperimentProjectStatus.Published ||
@@ -51,11 +58,28 @@ public sealed class ExperimentGradesController(
             source = source.Where(x =>
                 x.GradeSheet != null &&
                 x.GradeSheet.Status == status.Value);
+        if (collegeId.HasValue)
+            source = source.Where(x =>
+                x.TeachingTask!.Course!.CollegeId == collegeId.Value);
+        if (keyword is not null)
+            source = source.Where(x =>
+                x.Code.Contains(keyword) ||
+                x.Name.Contains(keyword) ||
+                x.TeachingTask!.TaskNumber.Contains(keyword) ||
+                x.TeachingTask.Name.Contains(keyword) ||
+                x.TeachingTask.Course!.Code.Contains(keyword) ||
+                x.TeachingTask.Course.Name.Contains(keyword) ||
+                x.TeachingTask.Teachers.Any(item =>
+                    item.Teacher!.TeacherNumber.Contains(keyword) ||
+                    item.Teacher.Name.Contains(keyword)));
 
-        return Ok(await source
+        var total = await source.CountAsync(cancellationToken);
+        var items = await source
             .OrderByDescending(x => x.TeachingTask!.AcademicTerm!.StartDate)
             .ThenBy(x => x.TeachingTask!.TaskNumber)
             .ThenBy(x => x.Code)
+            .Skip((page - 1) * pageSize)
+            .Take(pageSize)
             .Select(x => new
             {
                 x.Id,
@@ -96,7 +120,14 @@ public sealed class ExperimentGradesController(
                         x.GradeSheet.PublishedAt
                     }
             })
-            .ToListAsync(cancellationToken));
+            .ToListAsync(cancellationToken);
+        return Ok(new
+        {
+            Items = items,
+            Total = total,
+            Page = page,
+            PageSize = pageSize
+        });
     }
 
     [HttpGet("mine")]
@@ -747,6 +778,10 @@ public sealed class ExperimentGradesController(
             .Include(x => x.ExperimentProject)
             .ThenInclude(x => x!.TeachingTask)
             .ThenInclude(x => x!.Course)
+            .Include(x => x.ExperimentProject)
+            .ThenInclude(x => x!.TeachingTask)
+            .ThenInclude(x => x!.Teachers)
+            .ThenInclude(x => x.Teacher)
             .FirstOrDefaultAsync(x => x.Id == id, cancellationToken);
     }
 

src/Jiaowu.Api/Controllers/ExperimentsController.cs

@@ -1,7 +1,9 @@
 using System.ComponentModel.DataAnnotations;
 using System.Data;
+using System.Text.Json;
 using Jiaowu.Api.Domain.Academic;
 using Jiaowu.Api.Domain.Identity;
+using Jiaowu.Api.Domain.System;
 using Jiaowu.Api.Infrastructure.Auth;
 using Jiaowu.Api.Infrastructure.Experiments;
 using Jiaowu.Api.Infrastructure.Persistence;
@@ -31,12 +33,21 @@ public sealed class ExperimentsController(
     [Authorize(Roles = Managers)]
     public async Task<ActionResult> GetOptions(
         Guid? academicTermId,
+        Guid? offeringCollegeId,
+        string? courseKeyword,
         CancellationToken cancellationToken)
     {
         var tasks = AccessibleTeachingTasks().AsNoTracking()
             .Where(x => x.Status == TeachingTaskStatus.Published);
         if (academicTermId.HasValue)
             tasks = tasks.Where(x => x.AcademicTermId == academicTermId);
+        if (offeringCollegeId.HasValue)
+            tasks = tasks.Where(x => x.Course!.CollegeId == offeringCollegeId);
+        var normalizedCourseKeyword = Normalize(courseKeyword);
+        if (normalizedCourseKeyword is not null)
+            tasks = tasks.Where(x =>
+                x.Course!.Code.Contains(normalizedCourseKeyword) ||
+                x.Course.Name.Contains(normalizedCourseKeyword));
 
         var periods = db.ScheduleTimeSlots.AsNoTracking()
             .Where(x => x.IsEnabled);
@@ -90,6 +101,13 @@ public sealed class ExperimentsController(
                         .OrderBy(item => item.AdministrativeClass!.Code)
                         .Select(item => item.AdministrativeClass!.Name)
                 })
+                .Take(200)
+                .ToListAsync(cancellationToken),
+            Colleges = await AccessibleTeachingTasks().AsNoTracking()
+                .Where(x => !academicTermId.HasValue || x.AcademicTermId == academicTermId.Value)
+                .Select(x => new { x.Course!.CollegeId, CollegeName = x.Course.College!.Name })
+                .Distinct()
+                .OrderBy(x => x.CollegeName)
                 .ToListAsync(cancellationToken),
             ScheduleEntries = await db.ScheduleEntries.AsNoTracking()
                 .Where(x => x.SchedulePlan!.Status == SchedulePlanStatus.Published &&
@@ -99,6 +117,11 @@ public sealed class ExperimentsController(
                                 .Contains(x.TeachingTaskId))
                 .Where(x => !academicTermId.HasValue ||
                             x.SchedulePlan!.AcademicTermId == academicTermId.Value)
+                .Where(x => !offeringCollegeId.HasValue ||
+                            x.TeachingTask!.Course!.CollegeId == offeringCollegeId.Value)
+                .Where(x => normalizedCourseKeyword == null ||
+                            x.TeachingTask!.Course!.Code.Contains(normalizedCourseKeyword) ||
+                            x.TeachingTask.Course.Name.Contains(normalizedCourseKeyword))
                 .OrderBy(x => x.TeachingTask!.Course!.Code)
                 .ThenBy(x => x.TeachingTask!.TaskNumber)
                 .ThenBy(x => x.DayOfWeek)
@@ -116,10 +139,14 @@ public sealed class ExperimentsController(
                     x.StartWeek,
                     x.EndWeek,
                     x.WeekPattern,
+                    ClassNames = x.TeachingTask!.Classes
+                        .OrderBy(item => item.AdministrativeClass!.Code)
+                        .Select(item => item.AdministrativeClass!.Name),
                     ClassroomName = x.Classroom!.Name,
                     BuildingName = x.Classroom.Building!.Name,
                     CampusName = x.Classroom.Building.Campus!.Name
                 })
+                .Take(500)
                 .ToListAsync(cancellationToken),
             Classrooms = await db.Classrooms.AsNoTracking()
                 .Where(x => x.IsEnabled)
@@ -146,7 +173,14 @@ public sealed class ExperimentsController(
         Guid? academicTermId,
         ExperimentArrangementMode? arrangementMode,
         ExperimentProjectStatus? status,
-        CancellationToken cancellationToken)
+        Guid? offeringCollegeId,
+        string? courseKeyword,
+        string? classKeyword,
+        string? teacherKeyword,
+        string? taskKeyword,
+        CancellationToken cancellationToken,
+        int page = 1,
+        int pageSize = 20)
     {
         var source = ScopedProjects().AsNoTracking();
         if (academicTermId.HasValue)
@@ -158,7 +192,47 @@ public sealed class ExperimentsController(
         if (status.HasValue)
             source = source.Where(x => x.Status == status);
 
-        return Ok(await source
+        var normalizedCourseKeyword = Normalize(courseKeyword);
+        var normalizedClassKeyword = Normalize(classKeyword);
+        var normalizedTeacherKeyword = Normalize(teacherKeyword);
+        var normalizedTaskKeyword = Normalize(taskKeyword);
+        var taskSource = AccessibleTeachingTasks().AsNoTracking()
+            .Where(task => source.Select(project => project.TeachingTaskId).Contains(task.Id));
+        if (academicTermId.HasValue)
+            taskSource = taskSource.Where(x => x.AcademicTermId == academicTermId);
+        if (offeringCollegeId.HasValue)
+            taskSource = taskSource.Where(x => x.Course!.CollegeId == offeringCollegeId);
+        if (normalizedCourseKeyword is not null)
+            taskSource = taskSource.Where(x =>
+                x.Course!.Code.Contains(normalizedCourseKeyword) ||
+                x.Course.Name.Contains(normalizedCourseKeyword));
+        if (normalizedClassKeyword is not null)
+            taskSource = taskSource.Where(x => x.Classes.Any(item =>
+                item.AdministrativeClass!.Code.Contains(normalizedClassKeyword) ||
+                item.AdministrativeClass.Name.Contains(normalizedClassKeyword)));
+        if (normalizedTeacherKeyword is not null)
+            taskSource = taskSource.Where(x => x.Teachers.Any(item =>
+                item.Teacher!.TeacherNumber.Contains(normalizedTeacherKeyword) ||
+                item.Teacher.Name.Contains(normalizedTeacherKeyword)));
+        if (normalizedTaskKeyword is not null)
+            taskSource = taskSource.Where(x =>
+                x.TaskNumber.Contains(normalizedTaskKeyword) ||
+                x.Name.Contains(normalizedTaskKeyword));
+
+        page = Math.Max(1, page);
+        pageSize = Math.Clamp(pageSize, 10, 100);
+        var total = await taskSource.CountAsync(cancellationToken);
+        var taskIds = await taskSource
+            .OrderByDescending(x => x.AcademicTerm!.StartDate)
+            .ThenBy(x => x.Course!.Code)
+            .ThenBy(x => x.TaskNumber)
+            .Skip((page - 1) * pageSize)
+            .Take(pageSize)
+            .Select(x => x.Id)
+            .ToListAsync(cancellationToken);
+
+        var items = await source
+            .Where(x => taskIds.Contains(x.TeachingTaskId))
             .OrderByDescending(x => x.Status == ExperimentProjectStatus.Published)
             .ThenBy(x => x.StartDate)
             .ThenBy(x => x.Code)
@@ -167,6 +241,7 @@ public sealed class ExperimentsController(
                 x.Id,
                 x.TeachingTaskId,
                 x.ScheduleEntryId,
+                x.ScheduleWeek,
                 x.Code,
                 x.Name,
                 x.ArrangementMode,
@@ -197,6 +272,7 @@ public sealed class ExperimentsController(
                     x.ScheduleEntry.StartWeek,
                     x.ScheduleEntry.EndWeek,
                     x.ScheduleEntry.WeekPattern,
+                    ProjectWeek = x.ScheduleWeek,
                     ClassroomName = x.ScheduleEntry.Classroom!.Name,
                     BuildingName = x.ScheduleEntry.Classroom.Building!.Name,
                     CampusName = x.ScheduleEntry.Classroom.Building.Campus!.Name
@@ -220,7 +296,9 @@ public sealed class ExperimentsController(
                         CampusName = item.Classroom.Building.Campus!.Name
                     })
             })
-            .ToListAsync(cancellationToken));
+            .ToListAsync(cancellationToken);
+
+        return Ok(new { Items = items, Total = total, Page = page, PageSize = pageSize });
     }
 
     [HttpGet("student")]
@@ -254,6 +332,7 @@ public sealed class ExperimentsController(
                 x.Name,
                 x.ArrangementMode,
                 x.ScheduleEntryId,
+                x.ScheduleWeek,
                 x.Description,
                 x.Requirements,
                 x.StartDate,
@@ -275,6 +354,7 @@ public sealed class ExperimentsController(
                     x.ScheduleEntry.StartWeek,
                     x.ScheduleEntry.EndWeek,
                     x.ScheduleEntry.WeekPattern,
+                    ProjectWeek = x.ScheduleWeek,
                     ClassroomName = x.ScheduleEntry.Classroom!.Name,
                     BuildingName = x.ScheduleEntry.Classroom.Building!.Name,
                     CampusName = x.ScheduleEntry.Classroom.Building.Campus!.Name
@@ -363,8 +443,6 @@ public sealed class ExperimentsController(
         ExperimentProjectBatchRequest request,
         CancellationToken cancellationToken)
     {
-        if (request.ArrangementMode == ExperimentArrangementMode.Centralized)
-            return ValidationProblem("集中安排的实验项目请逐项绑定已发布课表中的实验课。");
         var taskIds = request.TeachingTaskIds
             .Where(x => x != Guid.Empty)
             .Distinct()
@@ -384,21 +462,72 @@ public sealed class ExperimentsController(
             return ValidationProblem("部分教学任务不存在、未发布或不在当前管理范围内。");
 
         var first = tasks[0];
-        if (tasks.Any(x =>
+        if (request.ArrangementMode == ExperimentArrangementMode.SelfScheduled && tasks.Any(x =>
                 x.AcademicTermId != first.AcademicTermId ||
                 x.CourseId != first.CourseId))
             return ValidationProblem("批量设置仅支持同一学期、同一课程的教学任务。");
 
         var code = request.Code.Trim();
-        var conflictingTaskNumbers = await db.ExperimentProjects.AsNoTracking()
+        if (request.ArrangementMode == ExperimentArrangementMode.SelfScheduled)
-            .WhereIn(taskIds, x => x.TeachingTaskId)
+        {
-            .Where(x => x.Code == code)
+            var conflictingTaskNumbers = await db.ExperimentProjects.AsNoTracking()
-            .Select(x => x.TeachingTask!.TaskNumber)
+                .WhereIn(taskIds, x => x.TeachingTaskId)
-            .OrderBy(x => x)
+                .Where(x => x.Code == code)
-            .ToListAsync(cancellationToken);
+                .Select(x => x.TeachingTask!.TaskNumber)
-        if (conflictingTaskNumbers.Count > 0)
+                .OrderBy(x => x)
-            return ConflictProblem(
+                .ToListAsync(cancellationToken);
-                $"以下教学任务已存在实验项目编码 {code}：{string.Join("、", conflictingTaskNumbers)}。");
+            if (conflictingTaskNumbers.Count > 0)
+                return ConflictProblem(
+                    $"以下教学任务已存在实验项目编码 {code}：{string.Join("、", conflictingTaskNumbers)}。");
+        }
+
+        var scheduledEntries = request.ArrangementMode == ExperimentArrangementMode.Centralized
+            ? await db.ScheduleEntries.AsNoTracking()
+                .Where(x => x.SchedulePlan!.Status == SchedulePlanStatus.Published &&
+                            x.Kind == ScheduleEntryKind.Experiment &&
+                            x.ClassroomId.HasValue &&
+                            taskIds.Contains(x.TeachingTaskId))
+                .OrderBy(x => x.TeachingTaskId)
+                .ThenBy(x => x.DayOfWeek)
+                .ThenBy(x => x.StartPeriod)
+                .ToListAsync(cancellationToken)
+            : [];
+        if (request.ArrangementMode == ExperimentArrangementMode.Centralized &&
+            tasks.Any(task => scheduledEntries.All(entry => entry.TeachingTaskId != task.Id)))
+            return ValidationProblem("所选教学班中包含未排入实验室的已发布实验课，请先完成课表安排。");
+
+        var scheduledOccurrences = scheduledEntries
+            .SelectMany(entry => Enumerable.Range(
+                    entry.StartWeek,
+                    entry.EndWeek - entry.StartWeek + 1)
+                .Where(week => FreeClassroomRules.MatchesWeek(entry.WeekPattern, week))
+                .Select(week => (Entry: entry, Week: week)))
+            .ToList();
+
+        var legacyProjects = scheduledEntries.Count > 0
+            ? await db.ExperimentProjects
+                .Where(x => x.Code == code && x.ScheduleEntryId.HasValue &&
+                            x.ScheduleWeek == null &&
+                            taskIds.Contains(x.TeachingTaskId))
+                .ToListAsync(cancellationToken)
+            : [];
+        if (legacyProjects.Any(x => x.Status != ExperimentProjectStatus.Draft))
+            return ConflictProblem("存在旧版已发布实验项目，不能自动拆分为每周项目；请先关闭后重新设置。");
+
+        if (scheduledOccurrences.Count > 0)
+        {
+            var entryIds = scheduledOccurrences.Select(x => x.Entry.Id).Distinct().ToList();
+            var existingOccurrences = await db.ExperimentProjects.AsNoTracking()
+                .Where(x => x.Code == code && x.ScheduleEntryId.HasValue &&
+                            x.ScheduleWeek.HasValue && entryIds.Contains(x.ScheduleEntryId.Value))
+                .Select(x => new { ScheduleEntryId = x.ScheduleEntryId!.Value, ScheduleWeek = x.ScheduleWeek!.Value })
+                .ToListAsync(cancellationToken);
+            var existingKeys = existingOccurrences
+                .Select(x => (x.ScheduleEntryId, x.ScheduleWeek))
+                .ToHashSet();
+            if (scheduledOccurrences.Any(x => existingKeys.Contains((x.Entry.Id, x.Week))))
+                return ConflictProblem("所选实验课中已存在相同实验项目编码和周次，不能重复生成。");
+        }
 
         var projects = new List<ExperimentProject>(tasks.Count);
         foreach (var task in tasks)
@@ -407,17 +536,42 @@ public sealed class ExperimentsController(
             var problem = ValidateProjectRequest(item, task.AcademicTerm!);
             if (problem is not null) return ValidationProblem(problem);
 
-            projects.Add(new ExperimentProject
+            IEnumerable<(ScheduleEntry? Entry, int? Week)> taskOccurrences =
+                request.ArrangementMode == ExperimentArrangementMode.Centralized
+                    ? scheduledOccurrences
+                        .Where(item => item.Entry.TeachingTaskId == task.Id)
+                        .Select(item => ((ScheduleEntry?)item.Entry, (int?)item.Week))
+                    : [(null, null)];
+            foreach (var occurrence in taskOccurrences)
             {
-                TeachingTaskId = task.Id,
+                var scheduleEntry = occurrence.Entry;
-                Code = code,
+                var legacy = scheduleEntry is null ? null : legacyProjects
-                Name = request.Name.Trim(),
+                    .SingleOrDefault(x => x.ScheduleEntryId == scheduleEntry.Id);
-                ArrangementMode = request.ArrangementMode,
+                if (legacy is not null)
-                Description = Normalize(request.Description),
+                {
-                Requirements = Normalize(request.Requirements),
+                    var firstWeek = scheduledOccurrences
-                StartDate = request.StartDate,
+                        .Where(item => item.Entry.Id == scheduleEntry!.Id)
-                EndDate = request.EndDate
+                        .Min(item => item.Week);
-            });
+                    if (occurrence.Week == firstWeek)
+                    {
+                        legacy.ScheduleWeek = occurrence.Week;
+                        continue;
+                    }
+                }
+                projects.Add(new ExperimentProject
+                {
+                    TeachingTaskId = task.Id,
+                    ScheduleEntryId = occurrence.Entry?.Id,
+                    ScheduleWeek = occurrence.Week,
+                    Code = code,
+                    Name = request.Name.Trim(),
+                    ArrangementMode = request.ArrangementMode,
+                    Description = Normalize(request.Description),
+                    Requirements = Normalize(request.Requirements),
+                    StartDate = request.StartDate,
+                    EndDate = request.EndDate
+                });
+            }
         }
 
         db.ExperimentProjects.AddRange(projects);
@@ -491,6 +645,26 @@ public sealed class ExperimentsController(
         return NoContent();
     }
 
+    [HttpDelete("batch")]
+    [Authorize(Roles = Managers)]
+    public async Task<ActionResult> DeleteProjects(
+        ExperimentProjectBulkRequest request,
+        CancellationToken cancellationToken)
+    {
+        var ids = ValidateBulkProjectIds(request.ProjectIds);
+        if (ids is null) return ValidationProblem("请选择 1 至 100 个实验项目。");
+        var projects = await ScopedProjects()
+            .Where(x => ids.Contains(x.Id))
+            .ToListAsync(cancellationToken);
+        if (projects.Count != ids.Count) return NotFound();
+        if (projects.Any(x => x.Status != ExperimentProjectStatus.Draft))
+            return ConflictProblem("批量删除只能包含草稿实验项目。");
+
+        db.ExperimentProjects.RemoveRange(projects);
+        await db.SaveChangesAsync(cancellationToken);
+        return NoContent();
+    }
+
     [HttpPost("{id:guid}/publish")]
     [Authorize(Roles = Managers)]
     public async Task<ActionResult> PublishProject(
@@ -522,31 +696,47 @@ public sealed class ExperimentsController(
         project.Status = ExperimentProjectStatus.Published;
         project.PublishedAt = DateTime.UtcNow;
         await db.SaveChangesAsync(cancellationToken);
-
+        await NotifyProjectPublishedAsync(project, cancellationToken);
-        var userIds = await TeachingTaskRosterQuery
-            .ForTask(db, project.TeachingTaskId)
-            .Where(x => x.UserId.HasValue)
-            .Select(x => x.UserId!.Value)
-            .Distinct()
-            .ToListAsync(cancellationToken);
-        if (userIds.Count > 0)
-        {
-            var mode = project.ArrangementMode ==
-                ExperimentArrangementMode.Centralized
-                ? "集中安排"
-                : "自行预约";
-            await NotificationService.SendToUserIdsAsync(
-                db,
-                userIds,
-                "实验项目已发布",
-                $"《{project.TeachingTask!.Course!.Name}》已发布“{project.Name}”（{mode}），请查看实验安排。",
-                "/experiments",
-                cancellationToken,
-                NotificationCategory.Schedule);
-        }
         return NoContent();
     }
 
+    [HttpPost("batch/publish")]
+    [Authorize(Roles = Managers)]
+    public async Task<ActionResult> PublishProjects(
+        ExperimentProjectBulkRequest request,
+        CancellationToken cancellationToken)
+    {
+        var ids = ValidateBulkProjectIds(request.ProjectIds);
+        if (ids is null) return ValidationProblem("请选择 1 至 100 个实验项目。");
+        if (await ScopedProjects().CountAsync(x => ids.Contains(x.Id), cancellationToken) != ids.Count)
+            return NotFound();
+        var userId = currentUserDataScope.Current.UserId;
+        var job = new ExamPublishJob
+        {
+            Kind = ExamPublishJobKind.ExperimentProjects,
+            PlanId = ids[0],
+            RequestedByUserId = userId == Guid.Empty ? null : userId,
+            ProjectIdsJson = JsonSerializer.Serialize(ids),
+            CurrentStep = "等待后台校验"
+        };
+        db.ExamPublishJobs.Add(job);
+        db.BackgroundJobOutboxMessages.Add(BackgroundJobOutboxMessage.Create(
+            BackgroundJobKind.ExamPublish, job.Id));
+        await db.SaveChangesAsync(cancellationToken);
+        return Accepted(new { JobId = job.Id, Status = job.Status, Message = "实验项目发布任务已提交。" });
+    }
+
+    [HttpGet("batch/publish-jobs/{jobId:guid}")]
+    [Authorize(Roles = Managers)]
+    public async Task<ActionResult> GetPublishJob(Guid jobId, CancellationToken cancellationToken)
+    {
+        var job = await db.ExamPublishJobs.AsNoTracking().FirstOrDefaultAsync(x =>
+            x.Id == jobId && x.Kind == ExamPublishJobKind.ExperimentProjects,
+            cancellationToken);
+        if (job is null) return NotFound();
+        return Ok(new { job.Id, job.Status, job.CurrentStep, job.ErrorMessage, job.StartedAt, job.CompletedAt });
+    }
+
     [HttpPost("{id:guid}/close")]
     [Authorize(Roles = Managers)]
     public async Task<ActionResult> CloseProject(
@@ -1234,6 +1424,31 @@ public sealed class ExperimentsController(
             .Distinct()
             .ToListAsync(cancellationToken);
 
+    private async Task NotifyProjectPublishedAsync(
+        ExperimentProject project,
+        CancellationToken cancellationToken)
+    {
+        var userIds = await RosterUserIdsAsync(project.TeachingTaskId, cancellationToken);
+        if (userIds.Count == 0) return;
+        var mode = project.ArrangementMode == ExperimentArrangementMode.Centralized
+            ? "集中安排"
+            : "自行预约";
+        await NotificationService.SendToUserIdsAsync(
+            db,
+            userIds,
+            "实验项目已发布",
+            $"《{project.TeachingTask!.Course!.Name}》已发布“{project.Name}”（{mode}），请查看实验安排。",
+            "/experiments",
+            cancellationToken,
+            NotificationCategory.Schedule);
+    }
+
+    private static List<Guid>? ValidateBulkProjectIds(IReadOnlyList<Guid>? projectIds)
+    {
+        var ids = projectIds?.Where(x => x != Guid.Empty).Distinct().ToList();
+        return ids is { Count: > 0 and <= 100 } ? ids : null;
+    }
+
     private static string? ValidateProjectRequest(
         ExperimentProjectRequest request,
         AcademicTerm term)
@@ -1321,6 +1536,9 @@ public sealed record ExperimentProjectBatchRequest(
             EndDate);
 }
 
+public sealed record ExperimentProjectBulkRequest(
+    [Required] IReadOnlyList<Guid> ProjectIds);
+
 public sealed record ExperimentSessionRequest(
     Guid ClassroomId,
     DateOnly SessionDate,

src/Jiaowu.Api/Controllers/GradeAnalyticsController.cs

@@ -25,6 +25,69 @@ public sealed class GradeAnalyticsController(
         SystemRoles.CollegeAdmin + "," +
         SystemRoles.Leader + "," +
         SystemRoles.Teacher;
+    private const string ScheduleManagers =
+        SystemRoles.SuperAdmin + "," + SystemRoles.AcademicAdmin;
+
+    [HttpGet("refresh-schedule")]
+    [Authorize(Roles = ScheduleManagers)]
+    public async Task<ActionResult> GetRefreshSchedule(CancellationToken cancellationToken)
+    {
+        var setting = await db.CourseGradeStatisticsRefreshSettings.AsNoTracking()
+            .SingleOrDefaultAsync(
+                x => x.Key == CourseGradeStatisticsRefreshSetting.DefaultKey,
+                cancellationToken);
+        var defaults = new CourseGradeStatisticsRefreshSetting();
+        var enabled = setting?.IsEnabled ?? defaults.IsEnabled;
+        var intervalSeconds = setting?.IntervalSeconds ?? defaults.IntervalSeconds;
+        var batchSize = setting?.BatchSize ?? defaults.BatchSize;
+        var lastRunAt = setting?.LastRunAt;
+        return Ok(new
+        {
+            IsEnabled = enabled,
+            IntervalSeconds = intervalSeconds,
+            BatchSize = batchSize,
+            LastRunAt = lastRunAt,
+            NextRunAt = enabled && lastRunAt.HasValue
+                ? lastRunAt.Value.AddSeconds(intervalSeconds)
+                : null as DateTime?
+        });
+    }
+
+    [HttpPut("refresh-schedule")]
+    [Authorize(Roles = ScheduleManagers)]
+    public async Task<ActionResult> SaveRefreshSchedule(
+        SaveGradeStatisticsRefreshScheduleRequest request,
+        CancellationToken cancellationToken)
+    {
+        if (request.IntervalSeconds is < 10 or > 86400)
+            return BadRequest(new ProblemDetails
+            {
+                Title = "刷新间隔应在 10 秒到 24 小时之间。",
+                Status = StatusCodes.Status400BadRequest
+            });
+        if (request.BatchSize is < 1 or > 5000)
+            return BadRequest(new ProblemDetails
+            {
+                Title = "单次刷新批量应在 1 到 5000 之间。",
+                Status = StatusCodes.Status400BadRequest
+            });
+
+        var setting = await db.CourseGradeStatisticsRefreshSettings
+            .SingleOrDefaultAsync(
+                x => x.Key == CourseGradeStatisticsRefreshSetting.DefaultKey,
+                cancellationToken);
+        if (setting is null)
+        {
+            setting = new CourseGradeStatisticsRefreshSetting();
+            db.CourseGradeStatisticsRefreshSettings.Add(setting);
+        }
+
+        setting.IsEnabled = request.IsEnabled;
+        setting.IntervalSeconds = request.IntervalSeconds;
+        setting.BatchSize = request.BatchSize;
+        await db.SaveChangesAsync(cancellationToken);
+        return NoContent();
+    }
 
     [HttpGet("teaching-classes")]
     public async Task<ActionResult> GetTeachingClasses(
@@ -526,3 +589,8 @@ public sealed class GradeAnalyticsController(
         IReadOnlyList<HistoricalComparison> History,
         ComparisonDelta? UniversityDelta);
 }
+
+public sealed record SaveGradeStatisticsRefreshScheduleRequest(
+    bool IsEnabled,
+    int IntervalSeconds,
+    int BatchSize);

src/Jiaowu.Api/Controllers/GradesController.cs

@@ -508,7 +508,6 @@ public sealed class GradesController(
         }
         targetItem.SourceType = GradeItemSourceType.ExperimentSummary;
         targetItem.SourceSnapshotAt = DateTime.UtcNow;
-        QueueCourseStatisticsRefresh(sheet.Id);
         await db.SaveChangesAsync(cancellationToken);
         return Ok(new
         {
@@ -668,7 +667,6 @@ public sealed class GradesController(
             return ConflictProblem("只有审核通过的成绩单可以发布。");
         sheet.Status = GradeSheetStatus.Published;
         sheet.PublishedAt = DateTime.UtcNow;
-        QueueCourseStatisticsRefresh(sheet.Id);
 
         // The grade sheet roster is authoritative at publication time. This also
         // covers students added through approved roster corrections.
@@ -918,7 +916,6 @@ public sealed class GradesController(
         if (errors.Count > 0)
             return ImportValidationProblem(errors);
 
-        QueueCourseStatisticsRefresh(sheet.Id);
         await db.SaveChangesAsync(cancellationToken);
         return Ok(new { updated, total = rows.Count });
     }
@@ -1161,7 +1158,6 @@ public sealed class GradesController(
     {
         try
         {
-            QueueCourseStatisticsRefresh(id);
             await db.SaveChangesAsync(cancellationToken);
             return created ? Created(string.Empty, new { id }) : NoContent();
         }
@@ -1171,14 +1167,6 @@ public sealed class GradesController(
         }
     }
 
-    private void QueueCourseStatisticsRefresh(Guid gradeSheetId)
-    {
-        var job = new CourseGradeStatisticsRefreshJob { GradeSheetId = gradeSheetId };
-        db.CourseGradeStatisticsRefreshJobs.Add(job);
-        db.BackgroundJobOutboxMessages.Add(BackgroundJobOutboxMessage.Create(
-            BackgroundJobKind.CourseGradeStatisticsRefresh, job.Id));
-    }
-
     private ActionResult ConflictProblem(string detail) =>
         Conflict(new ProblemDetails
         {

src/Jiaowu.Api/Controllers/ScheduleSettingsController.cs

@@ -105,6 +105,7 @@ public sealed class ScheduleSettingsController(AppDbContext db, IAppCache cache)
         var constraints = await db.TeachingTaskScheduleConstraints.AsNoTracking()
             .WhereIn(taskIds, x => x.TeachingTaskId)
             .Include(x => x.AllowedClassrooms)
+            .Include(x => x.AllowedExperimentClassrooms)
             .ToDictionaryAsync(x => x.TeachingTaskId, cancellationToken);
         return Ok(tasks.Select(task =>
         {
@@ -132,11 +133,15 @@ public sealed class ScheduleSettingsController(AppDbContext db, IAppCache cache)
                      : constraint?.RequiresClassroom ?? true,
                 constraint?.RequiredCampusId,
                 constraint?.RequiredBuildingId,
+                constraint?.ExperimentRequiredCampusId,
+                constraint?.ExperimentRequiredBuildingId,
                 AllowedDayOfWeeks = ParseDays(constraint?.AllowedDayOfWeeks),
                 constraint?.EarliestPeriod,
                 constraint?.LatestPeriod,
                 AllowedClassroomIds = constraint?.AllowedClassrooms
                     .Select(x => x.ClassroomId) ?? [],
+                AllowedExperimentClassroomIds = constraint?.AllowedExperimentClassrooms
+                    .Select(x => x.ClassroomId) ?? [],
                 AllowedExperimentVenueNatures = constraint?.AllowedExperimentVenueNatures ?? 0
             };
         }));
@@ -168,6 +173,7 @@ public sealed class ScheduleSettingsController(AppDbContext db, IAppCache cache)
         {
             var flexibleConstraint = await db.TeachingTaskScheduleConstraints
                 .Include(x => x.AllowedClassrooms)
+                .Include(x => x.AllowedExperimentClassrooms)
                 .FirstOrDefaultAsync(x => x.TeachingTaskId == teachingTaskId, cancellationToken);
             if (flexibleConstraint is not null)
             {
@@ -195,6 +201,22 @@ public sealed class ScheduleSettingsController(AppDbContext db, IAppCache cache)
                 cancellationToken))
             return ValidationProblem("指定校区不存在或已停用。");
 
+        Building? experimentBuilding = null;
+        if (request.ExperimentRequiredBuildingId.HasValue)
+        {
+            experimentBuilding = await db.Buildings.AsNoTracking()
+                .FirstOrDefaultAsync(x => x.Id == request.ExperimentRequiredBuildingId && x.IsEnabled,
+                    cancellationToken);
+            if (experimentBuilding is null) return ValidationProblem("指定实验教学楼不存在或已停用。");
+            if (request.ExperimentRequiredCampusId.HasValue &&
+                experimentBuilding.CampusId != request.ExperimentRequiredCampusId)
+                return ValidationProblem("指定实验教学楼不属于所选校区。");
+        }
+        if (request.ExperimentRequiredCampusId.HasValue &&
+            !await db.Campuses.AnyAsync(x => x.Id == request.ExperimentRequiredCampusId && x.IsEnabled,
+                cancellationToken))
+            return ValidationProblem("指定实验校区不存在或已停用。");
+
         var allowedRooms = await db.Classrooms.AsNoTracking()
             .Where(x => x.IsEnabled)
             .WhereIn(request.AllowedClassroomIds, x => x.Id)
@@ -208,8 +230,23 @@ public sealed class ScheduleSettingsController(AppDbContext db, IAppCache cache)
             allowedRooms.Any(x => x.Building!.CampusId != request.RequiredCampusId))
             return ValidationProblem("指定教室必须位于所选校区。");
 
+        var allowedExperimentRoomIds = request.AllowedExperimentClassroomIds?.Distinct().ToArray() ?? [];
+        var allowedExperimentRooms = await db.Classrooms.AsNoTracking()
+            .Where(x => x.IsEnabled)
+            .WhereIn(allowedExperimentRoomIds, x => x.Id)
+            .Include(x => x.Building)
+            .ToListAsync(cancellationToken);
+        if (allowedExperimentRooms.Count != allowedExperimentRoomIds.Length)
+            return ValidationProblem("部分指定实验场地不存在或已停用。");
+        if (experimentBuilding is not null && allowedExperimentRooms.Any(x => x.BuildingId != experimentBuilding.Id))
+            return ValidationProblem("指定实验场地必须位于所选实验教学楼。");
+        if (request.ExperimentRequiredCampusId.HasValue &&
+            allowedExperimentRooms.Any(x => x.Building!.CampusId != request.ExperimentRequiredCampusId))
+            return ValidationProblem("指定实验场地必须位于所选实验校区。");
+
         var constraint = await db.TeachingTaskScheduleConstraints
             .Include(x => x.AllowedClassrooms)
+            .Include(x => x.AllowedExperimentClassrooms)
             .FirstOrDefaultAsync(x => x.TeachingTaskId == teachingTaskId, cancellationToken);
         if (constraint is null)
         {
@@ -223,6 +260,12 @@ public sealed class ScheduleSettingsController(AppDbContext db, IAppCache cache)
         constraint.RequiredBuildingId = request.RequiresClassroom
             ? request.RequiredBuildingId
             : null;
+        constraint.ExperimentRequiredCampusId = request.RequiresClassroom
+            ? request.ExperimentRequiredCampusId
+            : null;
+        constraint.ExperimentRequiredBuildingId = request.RequiresClassroom
+            ? request.ExperimentRequiredBuildingId
+            : null;
         constraint.AllowedDayOfWeeks = request.AllowedDayOfWeeks.Count == 0
             ? null
             : string.Join(',', request.AllowedDayOfWeeks.Distinct().Order());
@@ -230,10 +273,15 @@ public sealed class ScheduleSettingsController(AppDbContext db, IAppCache cache)
         constraint.LatestPeriod = request.LatestPeriod;
         constraint.AllowedExperimentVenueNatures = request.AllowedExperimentVenueNatures;
         db.TeachingTaskAllowedClassrooms.RemoveRange(constraint.AllowedClassrooms);
+        db.TeachingTaskAllowedExperimentClassrooms.RemoveRange(constraint.AllowedExperimentClassrooms);
         constraint.AllowedClassrooms = request.RequiresClassroom
             ? request.AllowedClassroomIds.Distinct().Select(classroomId =>
                 new TeachingTaskAllowedClassroom { ClassroomId = classroomId }).ToList()
             : [];
+        constraint.AllowedExperimentClassrooms = request.RequiresClassroom
+            ? allowedExperimentRoomIds.Select(classroomId =>
+                new TeachingTaskAllowedExperimentClassroom { ClassroomId = classroomId }).ToList()
+            : [];
         await db.SaveChangesAsync(cancellationToken);
         return NoContent();
     }
@@ -256,21 +304,26 @@ public sealed class ScheduleSettingsController(AppDbContext db, IAppCache cache)
             !Enum.IsDefined(request.SchedulingMode.Value))
             return ValidationProblem("授课方式无效。");
         if (!request.SchedulingMode.HasValue &&
-            !request.RequiresClassroom.HasValue &&
+             !request.RequiresClassroom.HasValue &&
-            request.AllowedDayOfWeeks is null &&
+             request.AllowedDayOfWeeks is null &&
-            !request.UpdateClassroomScope &&
+             !request.UpdateClassroomScope &&
-            !request.UpdatePeriodRange &&
+             !request.UpdateExperimentClassroomScope &&
+             !request.AllowedExperimentVenueNatures.HasValue &&
+             !request.UpdatePeriodRange &&
             !request.EarliestPeriod.HasValue &&
             !request.LatestPeriod.HasValue)
             return ValidationProblem("请至少选择一项需要批量修改的设置。");
         if (request.UpdateClassroomScope && request.RequiresClassroom == false)
             return ValidationProblem("批量指定教室范围时，场地要求不能设置为不占用教室。");
+        if (request.UpdateExperimentClassroomScope && request.RequiresClassroom == false)
+            return ValidationProblem("批量指定实验场地时，场地要求不能设置为不占用教室。");
 
         var tasks = await db.TeachingTasks
             .Where(x =>
                 x.AcademicTermId == request.AcademicTermId &&
                 x.Status == TeachingTaskStatus.Published)
             .WhereIn(taskIds, x => x.Id)
+            .Include(x => x.Course)
             .ToListAsync(cancellationToken);
         if (tasks.Count != taskIds.Length)
             return ValidationProblem("部分教学任务不存在、未发布或不属于当前学期。");
@@ -281,9 +334,16 @@ public sealed class ScheduleSettingsController(AppDbContext db, IAppCache cache)
                 (request.SchedulingMode ?? task.SchedulingMode) ==
                 TeachingTaskSchedulingMode.Flexible))
             return ConflictProblem("非排时课程不能指定教室，请先将当前筛选结果限定为正常排课课程。");
+        if (request.UpdateExperimentClassroomScope && tasks.Any(task =>
+                (request.SchedulingMode ?? task.SchedulingMode) ==
+                TeachingTaskSchedulingMode.Flexible))
+            return ConflictProblem("非排时课程不能指定实验场地，请先将当前筛选结果限定为正常排课课程。");
 
         Building? building = null;
         List<Classroom> allowedRooms = [];
+        var experimentRoomIds = request.AllowedExperimentClassroomIds?.Distinct().ToArray() ?? [];
+        Building? experimentBuilding = null;
+        List<Classroom> allowedExperimentRooms = [];
         if (request.UpdateClassroomScope)
         {
             if (request.RequiredBuildingId.HasValue)
@@ -320,10 +380,42 @@ public sealed class ScheduleSettingsController(AppDbContext db, IAppCache cache)
                     x.Building!.CampusId != request.RequiredCampusId))
                 return ValidationProblem("指定教室必须位于所选校区。");
         }
+        if (request.UpdateExperimentClassroomScope)
+        {
+            if (request.ExperimentRequiredBuildingId.HasValue)
+            {
+                experimentBuilding = await db.Buildings.AsNoTracking()
+                    .FirstOrDefaultAsync(x => x.Id == request.ExperimentRequiredBuildingId && x.IsEnabled,
+                        cancellationToken);
+                if (experimentBuilding is null)
+                    return ValidationProblem("指定实验教学楼不存在或已停用。");
+                if (request.ExperimentRequiredCampusId.HasValue &&
+                    experimentBuilding.CampusId != request.ExperimentRequiredCampusId)
+                    return ValidationProblem("指定实验教学楼不属于所选实验校区。");
+            }
+            if (request.ExperimentRequiredCampusId.HasValue &&
+                !await db.Campuses.AnyAsync(x => x.Id == request.ExperimentRequiredCampusId && x.IsEnabled,
+                    cancellationToken))
+                return ValidationProblem("指定实验校区不存在或已停用。");
+            allowedExperimentRooms = await db.Classrooms.AsNoTracking()
+                .Where(x => x.IsEnabled)
+                .WhereIn(experimentRoomIds, x => x.Id)
+                .Include(x => x.Building)
+                .ToListAsync(cancellationToken);
+            if (allowedExperimentRooms.Count != experimentRoomIds.Length)
+                return ValidationProblem("部分指定实验场地不存在或已停用。");
+            if (experimentBuilding is not null &&
+                allowedExperimentRooms.Any(x => x.BuildingId != experimentBuilding.Id))
+                return ValidationProblem("指定实验场地必须位于所选实验教学楼。");
+            if (request.ExperimentRequiredCampusId.HasValue &&
+                allowedExperimentRooms.Any(x => x.Building!.CampusId != request.ExperimentRequiredCampusId))
+                return ValidationProblem("指定实验场地必须位于所选实验校区。");
+        }
 
         var constraints = await db.TeachingTaskScheduleConstraints
            .WhereIn(taskIds, x => x.TeachingTaskId)
-           .Include(x => x.AllowedClassrooms)
+            .Include(x => x.AllowedClassrooms)
+            .Include(x => x.AllowedExperimentClassrooms)
             .ToDictionaryAsync(x => x.TeachingTaskId, cancellationToken);
         foreach (var task in tasks)
         {
@@ -342,6 +434,8 @@ public sealed class ScheduleSettingsController(AppDbContext db, IAppCache cache)
                     request.RequiresClassroom.HasValue ||
                     request.AllowedDayOfWeeks is not null ||
                     request.UpdateClassroomScope ||
+                    request.UpdateExperimentClassroomScope ||
+                    request.AllowedExperimentVenueNatures.HasValue ||
                     request.UpdatePeriodRange;
                 if (!changesConstraint) continue;
                 constraint = new TeachingTaskScheduleConstraint { TeachingTaskId = task.Id };
@@ -357,7 +451,10 @@ public sealed class ScheduleSettingsController(AppDbContext db, IAppCache cache)
                     constraint.RequiredCampusId = null;
                     constraint.RequiredBuildingId = null;
                     db.TeachingTaskAllowedClassrooms.RemoveRange(constraint.AllowedClassrooms);
+                    db.TeachingTaskAllowedExperimentClassrooms.RemoveRange(
+                        constraint.AllowedExperimentClassrooms);
                     constraint.AllowedClassrooms = [];
+                    constraint.AllowedExperimentClassrooms = [];
                 }
             }
             if (request.AllowedDayOfWeeks is not null)
@@ -379,6 +476,17 @@ public sealed class ScheduleSettingsController(AppDbContext db, IAppCache cache)
                         ClassroomId = room.Id
                     }).ToList();
             }
+            if (task.Course?.PracticeHours > 0 && request.AllowedExperimentVenueNatures.HasValue)
+                constraint.AllowedExperimentVenueNatures = request.AllowedExperimentVenueNatures.Value;
+            if (task.Course?.PracticeHours > 0 && request.UpdateExperimentClassroomScope)
+            {
+                constraint.ExperimentRequiredCampusId = request.ExperimentRequiredCampusId;
+                constraint.ExperimentRequiredBuildingId = request.ExperimentRequiredBuildingId;
+                db.TeachingTaskAllowedExperimentClassrooms.RemoveRange(
+                    constraint.AllowedExperimentClassrooms);
+                constraint.AllowedExperimentClassrooms = allowedExperimentRooms.Select(room =>
+                    new TeachingTaskAllowedExperimentClassroom { ClassroomId = room.Id }).ToList();
+            }
             if (request.UpdatePeriodRange)
             {
                 constraint.EarliestPeriod = request.EarliestPeriod;
@@ -402,11 +510,15 @@ public sealed class ScheduleSettingsController(AppDbContext db, IAppCache cache)
         constraint.RequiresClassroom = false;
         constraint.RequiredCampusId = null;
         constraint.RequiredBuildingId = null;
+        constraint.ExperimentRequiredCampusId = null;
+        constraint.ExperimentRequiredBuildingId = null;
         constraint.AllowedDayOfWeeks = null;
         constraint.EarliestPeriod = null;
         constraint.LatestPeriod = null;
         db.TeachingTaskAllowedClassrooms.RemoveRange(constraint.AllowedClassrooms);
+        db.TeachingTaskAllowedExperimentClassrooms.RemoveRange(constraint.AllowedExperimentClassrooms);
         constraint.AllowedClassrooms = [];
+        constraint.AllowedExperimentClassrooms = [];
     }
 
     private ActionResult ConflictProblem(string detail) =>
@@ -441,7 +553,10 @@ public sealed record TeachingTaskScheduleConstraintRequest(
     IReadOnlyList<int> AllowedDayOfWeeks,
     [Range(1, 30)] int? EarliestPeriod,
     [Range(1, 30)] int? LatestPeriod,
-    TeachingVenueNature AllowedExperimentVenueNatures = 0);
+    TeachingVenueNature AllowedExperimentVenueNatures = 0,
+    IReadOnlyList<Guid>? AllowedExperimentClassroomIds = null,
+    Guid? ExperimentRequiredCampusId = null,
+    Guid? ExperimentRequiredBuildingId = null);
 
 public sealed record TeachingTaskScheduleConstraintBatchRequest(
     Guid AcademicTermId,
@@ -455,4 +570,9 @@ public sealed record TeachingTaskScheduleConstraintBatchRequest(
     IReadOnlyList<Guid>? AllowedClassroomIds,
     bool UpdatePeriodRange,
     [Range(1, 30)] int? EarliestPeriod,
-    [Range(1, 30)] int? LatestPeriod);
+    [Range(1, 30)] int? LatestPeriod,
+    bool UpdateExperimentClassroomScope = false,
+    TeachingVenueNature? AllowedExperimentVenueNatures = null,
+    IReadOnlyList<Guid>? AllowedExperimentClassroomIds = null,
+    Guid? ExperimentRequiredCampusId = null,
+    Guid? ExperimentRequiredBuildingId = null);

src/Jiaowu.Api/Controllers/SchedulesController.cs

@@ -552,6 +552,7 @@ public sealed class SchedulesController(
 
         var constraint = await db.TeachingTaskScheduleConstraints.AsNoTracking()
             .Include(x => x.AllowedClassrooms)
+            .Include(x => x.AllowedExperimentClassrooms)
             .FirstOrDefaultAsync(
                 x => x.TeachingTaskId == request.TeachingTaskId,
                 cancellationToken);
@@ -580,20 +581,26 @@ public sealed class SchedulesController(
                     x => x.Id == request.ClassroomId && x.IsEnabled,
                     cancellationToken);
             if (classroom is null) return ValidationProblem("所选教室不存在或已停用。");
-            if (request.Kind == ScheduleEntryKind.Experiment &&
+            if (request.Kind != ScheduleEntryKind.Experiment &&
-                !TeachingVenueNatureRules.SupportsExperiment(classroom.TeachingVenueNature))
+                constraint?.RequiredCampusId is Guid campusId &&
-                return ValidationProblem(
-                    $"实验课必须安排在具有实验教学性质的场地；“{classroom.Name}”未标注实验室、实训室、机房或语音室性质。 ");
-            if (constraint?.RequiredCampusId is Guid campusId &&
                 classroom.Building!.CampusId != campusId)
                 return ValidationProblem("所选教室不在该课程指定的校区。");
-            if (constraint?.RequiredBuildingId is Guid buildingId &&
+            if (request.Kind != ScheduleEntryKind.Experiment &&
+                constraint?.RequiredBuildingId is Guid buildingId &&
                 classroom.BuildingId != buildingId)
                 return ValidationProblem("所选教室不在该课程指定的教学楼。");
+            if (request.Kind == ScheduleEntryKind.Experiment &&
+                constraint?.ExperimentRequiredCampusId is Guid experimentCampusId &&
+                classroom.Building!.CampusId != experimentCampusId)
+                return ValidationProblem("所选场地不在该实验课指定的校区。");
+            if (request.Kind == ScheduleEntryKind.Experiment &&
+                constraint?.ExperimentRequiredBuildingId is Guid experimentBuildingId &&
+                classroom.BuildingId != experimentBuildingId)
+                return ValidationProblem("所选场地不在该实验课指定的教学楼。");
             var allowedClassroomIds = constraint?.AllowedClassrooms
                 .Select(x => x.ClassroomId)
                 .ToHashSet() ?? [];
-            if (allowedClassroomIds.Count > 0 &&
+            if (request.Kind != ScheduleEntryKind.Experiment && allowedClassroomIds.Count > 0 &&
                 !allowedClassroomIds.Contains(classroom.Id))
                 return ValidationProblem("所选教室不在该课程指定的教室范围内。");
             if (request.Kind == ScheduleEntryKind.Experiment &&
@@ -601,6 +608,13 @@ public sealed class SchedulesController(
                 allowedNatures != 0 &&
                 (classroom.TeachingVenueNature & allowedNatures) == 0)
                 return ValidationProblem("所选场地不在该实验课允许的教学场地性质范围内。");
+            var allowedExperimentClassroomIds = constraint?.AllowedExperimentClassrooms
+                .Select(x => x.ClassroomId)
+                .ToHashSet() ?? [];
+            if (request.Kind == ScheduleEntryKind.Experiment &&
+                allowedExperimentClassroomIds.Count > 0 &&
+                !allowedExperimentClassroomIds.Contains(classroom.Id))
+                return ValidationProblem("所选场地不在该实验课指定的场地范围内。");
         }
         var studentCount = task.Classes.Sum(x =>
             x.AdministrativeClass!.Students.Count(student =>

src/Jiaowu.Api/Controllers/WarningsController.cs

@@ -21,32 +21,45 @@ public sealed class WarningsController(AppDbContext db, ICurrentUserDataScope sc
     [Authorize(Roles = Managers)]
     public async Task<ActionResult> GetRules(Guid academicTermId, CancellationToken ct) =>
         Ok(await db.WarningRules.AsNoTracking().Where(x => x.AcademicTermId == academicTermId)
-            .OrderBy(x => x.Type).Select(x => new { x.Id, x.Type, x.Name, x.Threshold, x.IsEnabled, x.NotifyStudent, x.NotifyCounselor, x.Description, x.AutoCheckEnabled, CheckDayOfWeek = x.CheckDayOfWeek ?? 0, x.CheckHour, x.CheckMinute, x.LastCheckAt })
+            .OrderBy(x => x.Type).Select(x => new { x.Id, Type = (int)x.Type, x.Name, x.Threshold, x.IsEnabled, x.NotifyStudent, x.NotifyCounselor, x.Description, x.AutoCheckEnabled, CheckDayOfWeek = x.CheckDayOfWeek ?? 0, x.CheckHour, x.CheckMinute, x.LastCheckAt })
             .ToListAsync(ct));
 
     [HttpPut("rules")]
     [Authorize(Roles = Managers)]
     public async Task<ActionResult> SaveRules(Guid academicTermId, List<WarningRuleDto> rules, CancellationToken ct)
     {
+        if (rules.GroupBy(x => x.Type).Any(group => group.Count() > 1))
+            return BadRequest(new ProblemDetails { Title = "预警类型不能重复。", Status = StatusCodes.Status400BadRequest });
+        if (rules.Any(x => x.CheckDayOfWeek is < 0 or > 7 || x.CheckHour is < 0 or > 23 || x.CheckMinute is < 0 or > 59))
+            return BadRequest(new ProblemDetails { Title = "自动检测时间无效。", Status = StatusCodes.Status400BadRequest });
+
         var existing = await db.WarningRules.Where(x => x.AcademicTermId == academicTermId).ToListAsync(ct);
-        db.WarningRules.RemoveRange(existing);
+        var incomingTypes = rules.Select(x => x.Type).ToHashSet();
+        db.WarningRules.RemoveRange(existing.Where(x => !incomingTypes.Contains(x.Type)));
         foreach (var r in rules)
         {
-            db.WarningRules.Add(new WarningRule
+            var entity = existing.FirstOrDefault(x => x.Type == r.Type);
+            if (entity is null)
             {
-                AcademicTermId = academicTermId,
+                entity = new WarningRule
-                Type = r.Type,
+                {
-                Name = r.Name.Trim(),
+                    AcademicTermId = academicTermId,
-                Threshold = r.Threshold,
+                    Type = r.Type,
-                IsEnabled = r.IsEnabled,
+                    Name = r.Name.Trim()
-                NotifyStudent = r.NotifyStudent,
+                };
-                NotifyCounselor = r.NotifyCounselor,
+                db.WarningRules.Add(entity);
-                Description = r.Description?.Trim(),
+            }
-                AutoCheckEnabled = r.AutoCheckEnabled,
+
-                CheckDayOfWeek = r.CheckDayOfWeek == 0 ? null : r.CheckDayOfWeek,
+            entity.Name = r.Name.Trim();
-                CheckHour = r.CheckHour,
+            entity.Threshold = r.Threshold;
-                CheckMinute = r.CheckMinute
+            entity.IsEnabled = r.IsEnabled;
-            });
+            entity.NotifyStudent = r.NotifyStudent;
+            entity.NotifyCounselor = r.NotifyCounselor;
+            entity.Description = r.Description?.Trim();
+            entity.AutoCheckEnabled = r.AutoCheckEnabled;
+            entity.CheckDayOfWeek = r.CheckDayOfWeek == 0 ? null : r.CheckDayOfWeek;
+            entity.CheckHour = r.CheckHour;
+            entity.CheckMinute = r.CheckMinute;
         }
         await db.SaveChangesAsync(ct);
         return NoContent();
@@ -120,7 +133,7 @@ public sealed class WarningsController(AppDbContext db, ICurrentUserDataScope sc
         }
         if (academicTermId.HasValue) q = q.Where(x => x.AcademicTermId == academicTermId);
         if (type.HasValue) q = q.Where(x => x.Type == type);
-        return Ok(await q.OrderByDescending(x => x.CreatedAt).Select(x => new { x.Id, x.StudentId, StudentName = x.Student!.Name, StudentNumber = x.Student.StudentNumber, ClassName = x.Student.AdministrativeClass!.Name, x.Type, x.Status, x.TriggerValue, x.Detail, x.AcknowledgedAt, x.AcknowledgeComment, x.CreatedAt }).ToListAsync(ct));
+        return Ok(await q.OrderByDescending(x => x.CreatedAt).Select(x => new { x.Id, x.StudentId, StudentName = x.Student!.Name, StudentNumber = x.Student.StudentNumber, ClassName = x.Student.AdministrativeClass!.Name, Type = (int)x.Type, Status = (int)x.Status, x.TriggerValue, x.Detail, x.AcknowledgedAt, x.AcknowledgeComment, x.CreatedAt }).ToListAsync(ct));
     }
 
     // ═══════════ Student ═══════════
@@ -131,7 +144,7 @@ public sealed class WarningsController(AppDbContext db, ICurrentUserDataScope sc
         var sid = await GetStudentIdAsync(ct);
         if (sid is null) return StudentNotFound();
         return Ok(await db.WarningRecords.AsNoTracking().Where(x => x.StudentId == sid).OrderByDescending(x => x.CreatedAt)
-            .Select(x => new { x.Id, x.Type, x.Status, x.TriggerValue, x.Detail, x.AcknowledgedAt, x.AcknowledgeComment, x.CreatedAt, TermName = x.AcademicTermId })
+            .Select(x => new { x.Id, Type = (int)x.Type, Status = (int)x.Status, x.TriggerValue, x.Detail, x.AcknowledgedAt, x.AcknowledgeComment, x.CreatedAt, TermName = x.AcademicTermId })
             .ToListAsync(ct));
     }
 

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

@@ -0,0 +1,14 @@
+using Jiaowu.Api.Domain.Common;
+
+namespace Jiaowu.Api.Domain.Academic;
+
+public sealed class CourseGradeStatisticsRefreshSetting : EntityBase
+{
+    public const string DefaultKey = "default";
+
+    public string Key { get; set; } = DefaultKey;
+    public bool IsEnabled { get; set; } = true;
+    public int IntervalSeconds { get; set; } = 300;
+    public int BatchSize { get; set; } = 100;
+    public DateTime? LastRunAt { get; set; }
+}

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

@@ -38,6 +38,22 @@ public sealed class CurriculumCourse : EntityBase
     public string? Notes { get; set; }
 }
 
+public sealed class CourseGroup : EntityBase
+{
+    public required string Code { get; set; }
+    public required string Name { get; set; }
+    public string? Description { get; set; }
+    public ICollection<CourseGroupCourse> Courses { get; set; } = [];
+}
+
+public sealed class CourseGroupCourse : EntityBase
+{
+    public Guid CourseGroupId { get; set; }
+    public CourseGroup? CourseGroup { get; set; }
+    public Guid CourseId { get; set; }
+    public Course? Course { get; set; }
+}
+
 public enum CurriculumPlanStatus
 {
     Draft = 1,

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

@@ -20,6 +20,7 @@ public sealed class ExamArrangementJob : EntityBase
     public Guid PlanId { get; set; }
     public Guid? ActivePlanId { get; set; }
     public Guid? RequestedByUserId { get; set; }
+    public string? ProjectIdsJson { get; set; }
     public string? SessionIdsJson { get; set; }
     public bool AssignClassrooms { get; set; }
     public bool AssignInvigilators { get; set; }
@@ -138,6 +139,7 @@ public sealed class ExamPublishJob : EntityBase
     public Guid PlanId { get; set; }
     public Guid? ActivePlanId { get; set; }
     public Guid? RequestedByUserId { get; set; }
+    public string? ProjectIdsJson { get; set; }
     public ExamPublishJobStatus Status { get; set; } = ExamPublishJobStatus.Queued;
     public string? CurrentStep { get; set; }
     public string? ErrorMessage { get; set; }
@@ -148,7 +150,8 @@ public sealed class ExamPublishJob : EntityBase
 public enum ExamPublishJobKind
 {
     FormalExam = 1,
-    MakeupExam = 2
+    MakeupExam = 2,
+    ExperimentProjects = 3
 }
 
 public enum ExamPublishJobStatus

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

@@ -9,6 +9,8 @@ public sealed class ExperimentProject : EntityBase
     // 集中安排的项目复用已发布课表中的实验课，不再维护一份重复的场次。
     public Guid? ScheduleEntryId { get; set; }
     public ScheduleEntry? ScheduleEntry { get; set; }
+    // 集中安排按课表的具体周次拆分为实验项目；自行安排为空。
+    public int? ScheduleWeek { get; set; }
     public required string Code { get; set; }
     public required string Name { get; set; }
     public ExperimentArrangementMode ArrangementMode { get; set; }

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

@@ -52,11 +52,16 @@ public sealed class TeachingTaskScheduleConstraint : EntityBase
     public Campus? RequiredCampus { get; set; }
     public Guid? RequiredBuildingId { get; set; }
     public Building? RequiredBuilding { get; set; }
+    public Guid? ExperimentRequiredCampusId { get; set; }
+    public Campus? ExperimentRequiredCampus { get; set; }
+    public Guid? ExperimentRequiredBuildingId { get; set; }
+    public Building? ExperimentRequiredBuilding { get; set; }
     public string? AllowedDayOfWeeks { get; set; }
     public int? EarliestPeriod { get; set; }
     public int? LatestPeriod { get; set; }
     public TeachingVenueNature AllowedExperimentVenueNatures { get; set; }
     public ICollection<TeachingTaskAllowedClassroom> AllowedClassrooms { get; set; } = [];
+    public ICollection<TeachingTaskAllowedExperimentClassroom> AllowedExperimentClassrooms { get; set; } = [];
 }
 
 public sealed class TeachingTaskAllowedClassroom
@@ -67,6 +72,31 @@ public sealed class TeachingTaskAllowedClassroom
     public Classroom? Classroom { get; set; }
 }
 
+public sealed class PublishedScheduleOccurrence : EntityBase
+{
+    public Guid SchedulePlanId { get; set; }
+    public Guid AcademicTermId { get; set; }
+    public Guid ScheduleEntryId { get; set; }
+    public Guid TeachingTaskId { get; set; }
+    public Guid? ClassroomId { get; set; }
+    public int Week { get; set; }
+    public int DayOfWeek { get; set; }
+    public int StartPeriod { get; set; }
+    public int PeriodCount { get; set; }
+    public ScheduleEntryKind Kind { get; set; }
+    public ScheduleEntry? ScheduleEntry { get; set; }
+    public TeachingTask? TeachingTask { get; set; }
+    public Classroom? Classroom { get; set; }
+}
+
+public sealed class TeachingTaskAllowedExperimentClassroom
+{
+    public Guid TeachingTaskScheduleConstraintId { get; set; }
+    public TeachingTaskScheduleConstraint? TeachingTaskScheduleConstraint { get; set; }
+    public Guid ClassroomId { get; set; }
+    public Classroom? Classroom { get; set; }
+}
+
 public sealed class AutomaticScheduleJob : EntityBase
 {
     public Guid SchedulePlanId { get; set; }

src/Jiaowu.Api/Infrastructure/Exams/ExamPublishJobs.cs

@@ -1,8 +1,11 @@
 using Jiaowu.Api.Domain.Academic;
+using Jiaowu.Api.Domain.System;
 using Jiaowu.Api.Infrastructure.Caching;
+using Jiaowu.Api.Controllers;
 using Jiaowu.Api.Infrastructure.Persistence;
 using Jiaowu.Api.Infrastructure.Teaching;
 using Microsoft.EntityFrameworkCore;
+using System.Text.Json;
 
 namespace Jiaowu.Api.Infrastructure.Exams;
 
@@ -39,6 +42,9 @@ public sealed class ExamPublishJobProcessor(
                 case ExamPublishJobKind.MakeupExam:
                     await PublishMakeupExamAsync(job, stoppingToken);
                     break;
+                case ExamPublishJobKind.ExperimentProjects:
+                    await PublishExperimentProjectsAsync(job, stoppingToken);
+                    break;
                 default:
                     throw new InvalidOperationException(
                         $"不支持的考试发布类型：{job.Kind}。");
@@ -248,6 +254,58 @@ public sealed class ExamPublishJobProcessor(
         await db.SaveChangesAsync(ct);
     }
 
+    private async Task PublishExperimentProjectsAsync(ExamPublishJob job, CancellationToken ct)
+    {
+        var ids = JsonSerializer.Deserialize<List<Guid>>(job.ProjectIdsJson ?? "[]")?
+            .Where(x => x != Guid.Empty).Distinct().ToList() ?? [];
+        if (ids.Count is 0 or > 100)
+            throw new ExamPublishValidationException("实验发布任务的数据无效。请重新提交。");
+
+        var projects = await db.ExperimentProjects
+            .Include(x => x.Sessions)
+            .Include(x => x.TeachingTask)
+            .ThenInclude(x => x!.Course)
+            .Where(x => ids.Contains(x.Id))
+            .ToListAsync(ct);
+        if (projects.Count != ids.Count)
+            throw new ExamPublishValidationException("部分实验项目不存在，请刷新后重新提交。");
+
+        foreach (var project in projects)
+        {
+            if (project.Status != ExperimentProjectStatus.Draft)
+                throw new ExamPublishValidationException("批量发布只能包含草稿实验项目。");
+            var hasSchedule = project.ArrangementMode == ExperimentArrangementMode.Centralized
+                ? project.ScheduleEntryId.HasValue || project.Sessions.Any(x => x.Status == ExperimentSessionStatus.Scheduled)
+                : project.Sessions.Any(x => x.Status == ExperimentSessionStatus.Scheduled);
+            if (!hasSchedule)
+                throw new ExamPublishValidationException($"“{project.Name}”尚未具备发布条件。");
+            if (project.Sessions.Any(x => x.Status == ExperimentSessionStatus.Scheduled &&
+                (x.SessionDate < project.StartDate || x.SessionDate > project.EndDate)))
+                throw new ExamPublishValidationException($"“{project.Name}”存在不在开放日期范围内的实验场次。");
+        }
+
+        job.CurrentStep = "正在发布实验项目";
+        await db.SaveChangesAsync(ct);
+        var publishedAt = DateTime.UtcNow;
+        foreach (var project in projects)
+        {
+            project.Status = ExperimentProjectStatus.Published;
+            project.PublishedAt = publishedAt;
+        }
+        await db.SaveChangesAsync(ct);
+
+        foreach (var project in projects)
+        {
+            var userIds = await TeachingTaskRosterQuery.ForTask(db, project.TeachingTaskId)
+                .Where(x => x.UserId.HasValue).Select(x => x.UserId!.Value).Distinct().ToListAsync(ct);
+            if (userIds.Count == 0) continue;
+            var mode = project.ArrangementMode == ExperimentArrangementMode.Centralized ? "集中安排" : "自行预约";
+            await NotificationService.SendToUserIdsAsync(db, userIds, "实验项目已发布",
+                $"《{project.TeachingTask!.Course!.Name}》已发布“{project.Name}”（{mode}），请查看实验安排。",
+                "/experiments", ct, NotificationCategory.Schedule);
+        }
+    }
+
     private async Task MarkFailedAsync(Guid jobId, string message)
     {
         db.ChangeTracker.Clear();

src/Jiaowu.Api/Infrastructure/Grades/CourseGradeStatisticsRefreshWorker.cs

@@ -0,0 +1,228 @@
+using Jiaowu.Api.Domain.Academic;
+using Jiaowu.Api.Domain.System;
+using Jiaowu.Api.Infrastructure.BackgroundJobs;
+using Jiaowu.Api.Infrastructure.Persistence;
+using Microsoft.EntityFrameworkCore;
+
+namespace Jiaowu.Api.Infrastructure.Grades;
+
+/// <summary>
+/// Repairs missing or stale materialized grade statistics on a database-
+/// configured fixed interval. Grade writes do not enqueue refresh jobs; this
+/// worker batches changes made during bulk imports.
+/// </summary>
+public sealed class CourseGradeStatisticsRefreshWorker(
+    IServiceScopeFactory scopeFactory,
+    TimeProvider timeProvider,
+    ILogger<CourseGradeStatisticsRefreshWorker> logger) : BackgroundService
+{
+    protected override async Task ExecuteAsync(CancellationToken stoppingToken)
+    {
+        logger.LogInformation("Database-configured course grade statistics scheduler started.");
+        using var timer = new PeriodicTimer(TimeSpan.FromSeconds(10), timeProvider);
+        while (!stoppingToken.IsCancellationRequested)
+        {
+            try
+            {
+                await using var scope = scopeFactory.CreateAsyncScope();
+                var scheduler = scope.ServiceProvider
+                    .GetRequiredService<CourseGradeStatisticsRefreshScheduler>();
+                var queued = await scheduler.EnqueueDueAsync(
+                    timeProvider.GetUtcNow().UtcDateTime,
+                    stoppingToken);
+                if (queued > 0)
+                    logger.LogInformation(
+                        "Scheduled course grade statistics scan queued {Count} refresh jobs.",
+                        queued);
+            }
+            catch (OperationCanceledException) when (stoppingToken.IsCancellationRequested)
+            {
+                break;
+            }
+            catch (Exception exception)
+            {
+                logger.LogError(exception, "Scheduled course grade statistics scan failed.");
+            }
+
+            if (!await timer.WaitForNextTickAsync(stoppingToken)) break;
+        }
+    }
+}
+
+public sealed class CourseGradeStatisticsRefreshScheduler(
+    AppDbContext db,
+    ILogger<CourseGradeStatisticsRefreshScheduler> logger)
+{
+    public async Task<int> EnqueueDueAsync(
+        DateTime utcNow,
+        CancellationToken cancellationToken) =>
+        await ExecuteWithLeaseAsync(async () =>
+        {
+            var setting = await db.CourseGradeStatisticsRefreshSettings
+                .SingleOrDefaultAsync(
+                    x => x.Key == CourseGradeStatisticsRefreshSetting.DefaultKey,
+                    cancellationToken);
+            if (setting is null)
+            {
+                setting = new CourseGradeStatisticsRefreshSetting();
+                db.CourseGradeStatisticsRefreshSettings.Add(setting);
+            }
+
+            var interval = TimeSpan.FromSeconds(
+                Math.Clamp(setting.IntervalSeconds, 10, 86400));
+            if (!setting.IsEnabled ||
+                setting.LastRunAt.HasValue && utcNow < setting.LastRunAt.Value + interval)
+            {
+                if (db.Entry(setting).State == EntityState.Added)
+                    await db.SaveChangesAsync(cancellationToken);
+                return 0;
+            }
+
+            setting.LastRunAt = utcNow;
+            var queued = await EnqueueStaleCoreAsync(setting.BatchSize, cancellationToken);
+            await db.SaveChangesAsync(cancellationToken);
+            return queued;
+        }, cancellationToken);
+
+    public async Task<int> EnqueueStaleAsync(
+        int batchSize,
+        CancellationToken cancellationToken) =>
+        await ExecuteWithLeaseAsync(async () =>
+        {
+            var queued = await EnqueueStaleCoreAsync(batchSize, cancellationToken);
+            if (queued > 0) await db.SaveChangesAsync(cancellationToken);
+            return queued;
+        }, cancellationToken);
+
+    private async Task<int> ExecuteWithLeaseAsync(
+        Func<Task<int>> action,
+        CancellationToken cancellationToken)
+    {
+        var usesMySqlLease = db.Database.ProviderName?.Contains(
+            "MySql",
+            StringComparison.OrdinalIgnoreCase) == true;
+        if (usesMySqlLease && !await TryAcquireMySqlLeaseAsync(cancellationToken))
+        {
+            await db.Database.CloseConnectionAsync();
+            logger.LogDebug("Another instance owns the grade statistics refresh lease.");
+            return 0;
+        }
+
+        try
+        {
+            return await action();
+        }
+        finally
+        {
+            if (usesMySqlLease)
+                await ReleaseMySqlLeaseAsync();
+        }
+    }
+
+    private async Task<int> EnqueueStaleCoreAsync(
+        int batchSize,
+        CancellationToken cancellationToken)
+    {
+        batchSize = Math.Clamp(batchSize, 1, 5000);
+        var activeTargets = await (
+                from job in db.CourseGradeStatisticsRefreshJobs.AsNoTracking()
+                join sheet in db.GradeSheets.AsNoTracking()
+                    on job.GradeSheetId equals sheet.Id
+                where job.Status == CourseGradeStatisticsRefreshJobStatus.Queued ||
+                      job.Status == CourseGradeStatisticsRefreshJobStatus.Running
+                select new CourseTermTarget(
+                    sheet.TeachingTask!.CourseId,
+                    sheet.TeachingTask.AcademicTermId))
+            .Distinct()
+            .ToListAsync(cancellationToken);
+        var active = activeTargets.ToHashSet();
+
+        var rows = await db.GradeSheets.AsNoTracking()
+            .Where(sheet =>
+                sheet.Status == GradeSheetStatus.Published &&
+                sheet.Records.Any(record => record.TotalScore != null))
+            .Select(sheet => new RefreshCandidate(
+                sheet.Id,
+                sheet.TeachingTask!.CourseId,
+                sheet.TeachingTask.AcademicTermId,
+                sheet.UpdatedAt,
+                sheet.Records
+                    .Where(record => record.TotalScore != null)
+                    .Max(record => record.UpdatedAt),
+                db.TeachingTaskGradeStatistics
+                    .Where(statistic => statistic.GradeSheetId == sheet.Id)
+                    .Select(statistic => (DateTime?)statistic.CalculatedAt)
+                    .FirstOrDefault()))
+            .ToListAsync(cancellationToken);
+
+        var stale = rows
+            .Where(row =>
+                row.CalculatedAt is null ||
+                row.SheetUpdatedAt > row.CalculatedAt ||
+                row.RecordsUpdatedAt > row.CalculatedAt)
+            .GroupBy(row => new CourseTermTarget(row.CourseId, row.AcademicTermId))
+            .Where(group => !active.Contains(group.Key))
+            .Select(group => group
+                .OrderByDescending(row => row.RecordsUpdatedAt)
+                .ThenByDescending(row => row.SheetUpdatedAt)
+                .First())
+            .Take(batchSize)
+            .ToArray();
+
+        foreach (var candidate in stale)
+        {
+            var job = new CourseGradeStatisticsRefreshJob
+            {
+                GradeSheetId = candidate.GradeSheetId
+            };
+            db.CourseGradeStatisticsRefreshJobs.Add(job);
+            db.BackgroundJobOutboxMessages.Add(BackgroundJobOutboxMessage.Create(
+                BackgroundJobKind.CourseGradeStatisticsRefresh,
+                job.Id));
+        }
+
+        if (stale.Length == 0) return 0;
+        logger.LogDebug(
+            "Queued {Count} stale course grade statistics targets.",
+            stale.Length);
+        return stale.Length;
+    }
+
+    private async Task<bool> TryAcquireMySqlLeaseAsync(
+        CancellationToken cancellationToken)
+    {
+        await db.Database.OpenConnectionAsync(cancellationToken);
+        await using var command = db.Database.GetDbConnection().CreateCommand();
+        command.CommandText = "SELECT GET_LOCK('jiaowu:grade-statistics-refresh', 0);";
+        var result = await command.ExecuteScalarAsync(cancellationToken);
+        return Convert.ToInt32(result) == 1;
+    }
+
+    private async Task ReleaseMySqlLeaseAsync()
+    {
+        try
+        {
+            await using var command = db.Database.GetDbConnection().CreateCommand();
+            command.CommandText = "SELECT RELEASE_LOCK('jiaowu:grade-statistics-refresh');";
+            await command.ExecuteScalarAsync(CancellationToken.None);
+        }
+        catch (Exception exception)
+        {
+            logger.LogWarning(exception, "Failed to release grade statistics refresh lease.");
+        }
+        finally
+        {
+            await db.Database.CloseConnectionAsync();
+        }
+    }
+
+    private sealed record RefreshCandidate(
+        Guid GradeSheetId,
+        Guid CourseId,
+        Guid AcademicTermId,
+        DateTime SheetUpdatedAt,
+        DateTime RecordsUpdatedAt,
+        DateTime? CalculatedAt);
+
+    private sealed record CourseTermTarget(Guid CourseId, Guid AcademicTermId);
+}

src/Jiaowu.Api/Infrastructure/Grades/GradeAnalysisWordReportGenerator.cs

@@ -51,7 +51,8 @@ public static class GradeAnalysisWordReportGenerator
         DateTime generatedAt,
         HeaderFooterIds headerFooterIds)
     {
-        var body = mainPart.Document.Body!;
+        var body = mainPart.Document?.Body
+            ?? throw new InvalidOperationException("The report document body has not been initialized.");
         var summary = report.Summary!;
 
         body.Append(Paragraph("成绩分析报告", 46, true, "000000", 0, 80));
@@ -467,9 +468,10 @@ public static class GradeAnalysisWordReportGenerator
     {
         using var paint = new SKPaint { Color = color, StrokeWidth = 4, IsAntialias = true, Style = SKPaintStyle.Stroke };
         using var fill = new SKPaint { Color = color, IsAntialias = true };
-        using var path = new SKPath();
+        using var builder = new SKPathBuilder();
-        path.MoveTo(points[0]);
+        builder.MoveTo(points[0]);
-        foreach (var point in points.Skip(1)) path.LineTo(point);
+        foreach (var point in points.Skip(1)) builder.LineTo(point);
+        using var path = builder.Detach();
         canvas.DrawPath(path, paint);
         for (var i = 0; i < points.Length; i++)
         {

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

@@ -26,6 +26,8 @@ public sealed class AppDbContext(DbContextOptions<AppDbContext> options)
     public DbSet<CurriculumPlan> CurriculumPlans => Set<CurriculumPlan>();
     public DbSet<CurriculumModule> CurriculumModules => Set<CurriculumModule>();
     public DbSet<CurriculumCourse> CurriculumCourses => Set<CurriculumCourse>();
+    public DbSet<CourseGroup> CourseGroups => Set<CourseGroup>();
+    public DbSet<CourseGroupCourse> CourseGroupCourses => Set<CourseGroupCourse>();
     public DbSet<TeachingTask> TeachingTasks => Set<TeachingTask>();
     public DbSet<TeachingTaskTeacher> TeachingTaskTeachers => Set<TeachingTaskTeacher>();
     public DbSet<TeachingTaskClass> TeachingTaskClasses => Set<TeachingTaskClass>();
@@ -33,11 +35,14 @@ public sealed class AppDbContext(DbContextOptions<AppDbContext> options)
         Set<TeacherCourseApplication>();
     public DbSet<SchedulePlan> SchedulePlans => Set<SchedulePlan>();
     public DbSet<ScheduleEntry> ScheduleEntries => Set<ScheduleEntry>();
+    public DbSet<PublishedScheduleOccurrence> PublishedScheduleOccurrences => Set<PublishedScheduleOccurrence>();
     public DbSet<ScheduleTimeSlot> ScheduleTimeSlots => Set<ScheduleTimeSlot>();
     public DbSet<TeachingTaskScheduleConstraint> TeachingTaskScheduleConstraints =>
         Set<TeachingTaskScheduleConstraint>();
     public DbSet<TeachingTaskAllowedClassroom> TeachingTaskAllowedClassrooms =>
         Set<TeachingTaskAllowedClassroom>();
+    public DbSet<TeachingTaskAllowedExperimentClassroom> TeachingTaskAllowedExperimentClassrooms =>
+        Set<TeachingTaskAllowedExperimentClassroom>();
     public DbSet<AutomaticScheduleJob> AutomaticScheduleJobs =>
         Set<AutomaticScheduleJob>();
     public DbSet<SchedulePublishJob> SchedulePublishJobs =>
@@ -139,6 +144,8 @@ public sealed class AppDbContext(DbContextOptions<AppDbContext> options)
         Set<AppUpdateRelease>();
     public DbSet<SystemFeatureSetting> SystemFeatureSettings =>
         Set<SystemFeatureSetting>();
+    public DbSet<CourseGradeStatisticsRefreshSetting> CourseGradeStatisticsRefreshSettings =>
+        Set<CourseGradeStatisticsRefreshSetting>();
     public DbSet<RefreshSession> RefreshSessions => Set<RefreshSession>();
 
     protected override void ConfigureConventions(
@@ -511,6 +518,14 @@ public sealed class AppDbContext(DbContextOptions<AppDbContext> options)
                 .WithMany()
                 .HasForeignKey(x => x.RequiredBuildingId)
                 .OnDelete(DeleteBehavior.Restrict);
+            entity.HasOne(x => x.ExperimentRequiredCampus)
+                .WithMany()
+                .HasForeignKey(x => x.ExperimentRequiredCampusId)
+                .OnDelete(DeleteBehavior.Restrict);
+            entity.HasOne(x => x.ExperimentRequiredBuilding)
+                .WithMany()
+                .HasForeignKey(x => x.ExperimentRequiredBuildingId)
+                .OnDelete(DeleteBehavior.Restrict);
         });
 
         builder.Entity<TeachingTaskAllowedClassroom>(entity =>
@@ -530,6 +545,57 @@ public sealed class AppDbContext(DbContextOptions<AppDbContext> options)
                 .OnDelete(DeleteBehavior.Restrict);
         });
 
+        builder.Entity<CourseGroup>(entity =>
+        {
+            entity.Property(x => x.Code).HasMaxLength(30);
+            entity.Property(x => x.Name).HasMaxLength(100);
+            entity.Property(x => x.Description).HasMaxLength(500);
+            entity.HasIndex(x => x.Code).IsUnique();
+        });
+
+        builder.Entity<CourseGroupCourse>(entity =>
+        {
+            entity.HasIndex(x => new { x.CourseGroupId, x.CourseId }).IsUnique();
+            entity.HasOne(x => x.CourseGroup)
+                .WithMany(x => x.Courses)
+                .HasForeignKey(x => x.CourseGroupId)
+                .OnDelete(DeleteBehavior.Cascade);
+            entity.HasOne(x => x.Course)
+                .WithMany()
+                .HasForeignKey(x => x.CourseId)
+                .OnDelete(DeleteBehavior.Restrict);
+        });
+        builder.Entity<PublishedScheduleOccurrence>(entity =>
+        {
+            entity.HasIndex(x => new { x.AcademicTermId, x.TeachingTaskId, x.Week });
+            entity.HasIndex(x => new
+            {
+                x.AcademicTermId,
+                x.Week,
+                x.DayOfWeek,
+                x.StartPeriod,
+                x.ClassroomId
+            });
+            entity.HasIndex(x => new { x.SchedulePlanId, x.ClassroomId, x.Week, x.DayOfWeek, x.StartPeriod });
+            entity.HasIndex(x => new { x.ScheduleEntryId, x.Week }).IsUnique();
+            entity.HasOne(x => x.ScheduleEntry).WithMany().HasForeignKey(x => x.ScheduleEntryId).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.SetNull);
+        });
+
+        builder.Entity<TeachingTaskAllowedExperimentClassroom>(entity =>
+        {
+            entity.HasKey(x => new { x.TeachingTaskScheduleConstraintId, x.ClassroomId });
+            entity.HasOne(x => x.TeachingTaskScheduleConstraint)
+                .WithMany(x => x.AllowedExperimentClassrooms)
+                .HasForeignKey(x => x.TeachingTaskScheduleConstraintId)
+                .OnDelete(DeleteBehavior.Cascade);
+            entity.HasOne(x => x.Classroom)
+                .WithMany()
+                .HasForeignKey(x => x.ClassroomId)
+                .OnDelete(DeleteBehavior.Restrict);
+        });
+
         builder.Entity<AutomaticScheduleJob>(entity =>
         {
             entity.Property(x => x.ErrorMessage).HasMaxLength(2000);
@@ -614,7 +680,16 @@ public sealed class AppDbContext(DbContextOptions<AppDbContext> options)
             entity.Property(x => x.Name).HasMaxLength(120);
             entity.Property(x => x.Description).HasMaxLength(1000);
             entity.Property(x => x.Requirements).HasMaxLength(1000);
-            entity.HasIndex(x => new { x.TeachingTaskId, x.Code }).IsUnique();
+            // 集中安排会为同一教学任务的每一条实验课表记录生成项目；
+            // 自行安排仍由控制器保持“教学任务 + 编码”唯一。
+            entity.HasIndex(x => new
+            {
+                x.TeachingTaskId,
+                x.Code,
+                x.ScheduleEntryId,
+                x.ScheduleWeek
+            })
+                .IsUnique();
             entity.HasIndex(x => new { x.Status, x.StartDate, x.EndDate });
             entity.HasOne(x => x.TeachingTask).WithMany()
                 .HasForeignKey(x => x.TeachingTaskId)
@@ -1463,6 +1538,12 @@ public sealed class AppDbContext(DbContextOptions<AppDbContext> options)
             entity.HasIndex(x => x.Key).IsUnique();
         });
 
+        builder.Entity<CourseGradeStatisticsRefreshSetting>(entity =>
+        {
+            entity.Property(x => x.Key).HasMaxLength(50);
+            entity.HasIndex(x => x.Key).IsUnique();
+        });
+
         builder.Entity<OfficialDocument>(entity =>
         {
             entity.Property(x => x.DocumentNumber).HasMaxLength(50);

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

@@ -92,6 +92,14 @@ public sealed class DevelopmentSqliteMigrator(
         "20260809_48_teaching_task_grade_analytics";
     private const string SwaggerDocumentationSettingMigration =
         "20260809_49_swagger_documentation_setting";
+    private const string ExperimentClassroomConstraintsMigration =
+        "20260809_50_experiment_classroom_constraints";
+    private const string SeparateExperimentClassroomScopeMigration =
+        "20260809_51_separate_experiment_classroom_scope";
+    private const string ReusableCourseGroupsMigration =
+        "20260809_52_reusable_course_groups";
+    private const string CourseGradeStatisticsRefreshSettingsMigration =
+        "20260809_53_course_grade_statistics_refresh_settings";
 
     public async Task MigrateAsync(CancellationToken cancellationToken = default)
     {
@@ -671,6 +679,14 @@ public sealed class DevelopmentSqliteMigrator(
             TeachingTaskGradeAnalyticsMigration,
             TeachingTaskGradeAnalyticsStatements,
             cancellationToken);
+        var gradeRefreshSettingsExist = await db.Database
+            .SqlQueryRaw<int>(
+                "SELECT COUNT(*) AS \"Value\" FROM sqlite_master WHERE type = 'table' AND name = 'CourseGradeStatisticsRefreshSettings'")
+            .AnyAsync(value => value > 0, cancellationToken);
+        await ApplyMigrationAsync(
+            CourseGradeStatisticsRefreshSettingsMigration,
+            gradeRefreshSettingsExist ? [] : CourseGradeStatisticsRefreshSettingsStatements,
+            cancellationToken);
         var swaggerSettingsExist = await db.Database
             .SqlQueryRaw<int>(
                 "SELECT COUNT(*) AS \"Value\" FROM sqlite_master WHERE type = 'table' AND name = 'SystemFeatureSettings'")
@@ -679,6 +695,32 @@ public sealed class DevelopmentSqliteMigrator(
             SwaggerDocumentationSettingMigration,
             swaggerSettingsExist ? [] : SwaggerDocumentationSettingStatements,
             cancellationToken);
+        var experimentClassroomConstraintsExist = await db.Database
+            .SqlQueryRaw<int>(
+                "SELECT COUNT(*) AS \"Value\" FROM sqlite_master WHERE type = 'table' AND name = 'TeachingTaskAllowedExperimentClassrooms'")
+            .AnyAsync(value => value > 0, cancellationToken);
+        await ApplyMigrationAsync(
+            ExperimentClassroomConstraintsMigration,
+            experimentClassroomConstraintsExist ? [] : ExperimentClassroomConstraintStatements,
+            cancellationToken);
+        var experimentScopeColumns = (await db.Database.SqlQueryRaw<string>(
+                "SELECT name AS \"Value\" FROM pragma_table_info('TeachingTaskScheduleConstraints')")
+            .ToListAsync(cancellationToken))
+            .ToHashSet(StringComparer.OrdinalIgnoreCase);
+        await ApplyMigrationAsync(
+            SeparateExperimentClassroomScopeMigration,
+            experimentScopeColumns.Contains("ExperimentRequiredCampusId")
+                ? []
+                : SeparateExperimentClassroomScopeStatements,
+            cancellationToken);
+        var courseGroupsExist = await db.Database
+            .SqlQueryRaw<int>(
+                "SELECT COUNT(*) AS \"Value\" FROM sqlite_master WHERE type = 'table' AND name = 'CourseGroups'")
+            .AnyAsync(value => value > 0, cancellationToken);
+        await ApplyMigrationAsync(
+            ReusableCourseGroupsMigration,
+            courseGroupsExist ? [] : ReusableCourseGroupsStatements,
+            cancellationToken);
     }
 
     private async Task ApplyMigrationAsync(
@@ -2940,4 +2982,88 @@ public sealed class DevelopmentSqliteMigrator(
         ON "SystemFeatureSettings" ("Key");
         """
     ];
+
+    private static readonly string[] CourseGradeStatisticsRefreshSettingsStatements =
+    [
+        """CREATE TABLE IF NOT EXISTS "CourseGradeStatisticsRefreshSettings" ("Id" TEXT NOT NULL CONSTRAINT "PK_CourseGradeStatisticsRefreshSettings" PRIMARY KEY, "Key" TEXT NOT NULL, "IsEnabled" INTEGER NOT NULL, "IntervalSeconds" INTEGER NOT NULL, "BatchSize" INTEGER NOT NULL, "LastRunAt" TEXT NULL, "CreatedAt" TEXT NOT NULL, "UpdatedAt" TEXT NOT NULL);""",
+        """CREATE UNIQUE INDEX IF NOT EXISTS "IX_CourseGradeStatisticsRefreshSettings_Key" ON "CourseGradeStatisticsRefreshSettings" ("Key");"""
+    ];
+
+    private static readonly string[] ExperimentClassroomConstraintStatements =
+    [
+        """
+        CREATE TABLE "TeachingTaskAllowedExperimentClassrooms" (
+            "TeachingTaskScheduleConstraintId" TEXT NOT NULL,
+            "ClassroomId" TEXT NOT NULL,
+            CONSTRAINT "PK_TeachingTaskAllowedExperimentClassrooms"
+                PRIMARY KEY ("TeachingTaskScheduleConstraintId", "ClassroomId"),
+            CONSTRAINT "FK_TeachingTaskAllowedExperimentClassrooms_Constraints"
+                FOREIGN KEY ("TeachingTaskScheduleConstraintId")
+                REFERENCES "TeachingTaskScheduleConstraints" ("Id") ON DELETE CASCADE,
+            CONSTRAINT "FK_TeachingTaskAllowedExperimentClassrooms_Classrooms"
+                FOREIGN KEY ("ClassroomId") REFERENCES "Classrooms" ("Id") ON DELETE RESTRICT
+        );
+        """,
+        """
+        CREATE INDEX "IX_TeachingTaskAllowedExperimentClassrooms_ClassroomId"
+        ON "TeachingTaskAllowedExperimentClassrooms" ("ClassroomId");
+        """
+    ];
+
+    private static readonly string[] SeparateExperimentClassroomScopeStatements =
+    [
+        """
+        ALTER TABLE "TeachingTaskScheduleConstraints"
+        ADD COLUMN "ExperimentRequiredCampusId" TEXT NULL;
+        """,
+        """
+        ALTER TABLE "TeachingTaskScheduleConstraints"
+        ADD COLUMN "ExperimentRequiredBuildingId" TEXT NULL;
+        """,
+        """
+        CREATE INDEX "IX_TeachingTaskScheduleConstraints_ExperimentRequiredCampusId"
+        ON "TeachingTaskScheduleConstraints" ("ExperimentRequiredCampusId");
+        """,
+        """
+        CREATE INDEX "IX_TeachingTaskScheduleConstraints_ExperimentRequiredBuildingId"
+        ON "TeachingTaskScheduleConstraints" ("ExperimentRequiredBuildingId");
+        """
+    ];
+
+    private static readonly string[] ReusableCourseGroupsStatements =
+    [
+        """
+        CREATE TABLE "CourseGroups" (
+            "Id" TEXT NOT NULL CONSTRAINT "PK_CourseGroups" PRIMARY KEY,
+            "Code" TEXT NOT NULL,
+            "Name" TEXT NOT NULL,
+            "Description" TEXT NULL,
+            "CreatedAt" TEXT NOT NULL,
+            "UpdatedAt" TEXT NOT NULL
+        );
+        """,
+        """
+        CREATE UNIQUE INDEX "IX_CourseGroups_Code" ON "CourseGroups" ("Code");
+        """,
+        """
+        CREATE TABLE "CourseGroupCourses" (
+            "Id" TEXT NOT NULL CONSTRAINT "PK_CourseGroupCourses" PRIMARY KEY,
+            "CourseGroupId" TEXT NOT NULL,
+            "CourseId" TEXT NOT NULL,
+            "CreatedAt" TEXT NOT NULL,
+            "UpdatedAt" TEXT NOT NULL,
+            CONSTRAINT "FK_CourseGroupCourses_CourseGroups_CourseGroupId"
+                FOREIGN KEY ("CourseGroupId") REFERENCES "CourseGroups" ("Id") ON DELETE CASCADE,
+            CONSTRAINT "FK_CourseGroupCourses_Courses_CourseId"
+                FOREIGN KEY ("CourseId") REFERENCES "Courses" ("Id") ON DELETE RESTRICT
+        );
+        """,
+        """
+        CREATE UNIQUE INDEX "IX_CourseGroupCourses_CourseGroupId_CourseId"
+        ON "CourseGroupCourses" ("CourseGroupId", "CourseId");
+        """,
+        """
+        CREATE INDEX "IX_CourseGroupCourses_CourseId" ON "CourseGroupCourses" ("CourseId");
+        """
+    ];
 }

src/Jiaowu.Api/Infrastructure/Persistence/Migrations/MySql/20260809071211_AddExperimentClassroomConstraints.cs

@@ -0,0 +1,52 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Jiaowu.Api.Infrastructure.Persistence.Migrations.MySql
+{
+    /// <inheritdoc />
+    public partial class AddExperimentClassroomConstraints : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "TeachingTaskAllowedExperimentClassrooms",
+                columns: table => new
+                {
+                    TeachingTaskScheduleConstraintId = table.Column<Guid>(type: "char(36)", nullable: false),
+                    ClassroomId = table.Column<Guid>(type: "char(36)", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_TeachingTaskAllowedExperimentClassrooms", x => new { x.TeachingTaskScheduleConstraintId, x.ClassroomId });
+                    table.ForeignKey(
+                        name: "FK_TeachingTaskAllowedExperimentClassrooms_Classrooms_Classroom~",
+                        column: x => x.ClassroomId,
+                        principalTable: "Classrooms",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Restrict);
+                    table.ForeignKey(
+                        name: "FK_TeachingTaskAllowedExperimentClassrooms_TeachingTaskSchedule~",
+                        column: x => x.TeachingTaskScheduleConstraintId,
+                        principalTable: "TeachingTaskScheduleConstraints",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                })
+                .Annotation("MySQL:Charset", "utf8mb4");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_TeachingTaskAllowedExperimentClassrooms_ClassroomId",
+                table: "TeachingTaskAllowedExperimentClassrooms",
+                column: "ClassroomId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "TeachingTaskAllowedExperimentClassrooms");
+        }
+    }
+}

src/Jiaowu.Api/Infrastructure/Persistence/Migrations/MySql/20260809074948_SeparateExperimentClassroomScope.cs

@@ -0,0 +1,81 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Jiaowu.Api.Infrastructure.Persistence.Migrations.MySql
+{
+    /// <inheritdoc />
+    public partial class SeparateExperimentClassroomScope : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<Guid>(
+                name: "ExperimentRequiredBuildingId",
+                table: "TeachingTaskScheduleConstraints",
+                type: "char(36)",
+                nullable: true);
+
+            migrationBuilder.AddColumn<Guid>(
+                name: "ExperimentRequiredCampusId",
+                table: "TeachingTaskScheduleConstraints",
+                type: "char(36)",
+                nullable: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_TeachingTaskScheduleConstraints_ExperimentRequiredBuildingId",
+                table: "TeachingTaskScheduleConstraints",
+                column: "ExperimentRequiredBuildingId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_TeachingTaskScheduleConstraints_ExperimentRequiredCampusId",
+                table: "TeachingTaskScheduleConstraints",
+                column: "ExperimentRequiredCampusId");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_TeachingTaskScheduleConstraints_Buildings_ExperimentRequired~",
+                table: "TeachingTaskScheduleConstraints",
+                column: "ExperimentRequiredBuildingId",
+                principalTable: "Buildings",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Restrict);
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_TeachingTaskScheduleConstraints_Campuses_ExperimentRequiredC~",
+                table: "TeachingTaskScheduleConstraints",
+                column: "ExperimentRequiredCampusId",
+                principalTable: "Campuses",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Restrict);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_TeachingTaskScheduleConstraints_Buildings_ExperimentRequired~",
+                table: "TeachingTaskScheduleConstraints");
+
+            migrationBuilder.DropForeignKey(
+                name: "FK_TeachingTaskScheduleConstraints_Campuses_ExperimentRequiredC~",
+                table: "TeachingTaskScheduleConstraints");
+
+            migrationBuilder.DropIndex(
+                name: "IX_TeachingTaskScheduleConstraints_ExperimentRequiredBuildingId",
+                table: "TeachingTaskScheduleConstraints");
+
+            migrationBuilder.DropIndex(
+                name: "IX_TeachingTaskScheduleConstraints_ExperimentRequiredCampusId",
+                table: "TeachingTaskScheduleConstraints");
+
+            migrationBuilder.DropColumn(
+                name: "ExperimentRequiredBuildingId",
+                table: "TeachingTaskScheduleConstraints");
+
+            migrationBuilder.DropColumn(
+                name: "ExperimentRequiredCampusId",
+                table: "TeachingTaskScheduleConstraints");
+        }
+    }
+}

src/Jiaowu.Api/Infrastructure/Persistence/Migrations/MySql/20260809075833_PublishedTimetableOccurrences.cs

@@ -0,0 +1,90 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Jiaowu.Api.Infrastructure.Persistence.Migrations.MySql
+{
+    /// <inheritdoc />
+    public partial class PublishedTimetableOccurrences : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "PublishedScheduleOccurrences",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "char(36)", nullable: false),
+                    SchedulePlanId = table.Column<Guid>(type: "char(36)", nullable: false),
+                    AcademicTermId = table.Column<Guid>(type: "char(36)", nullable: false),
+                    ScheduleEntryId = table.Column<Guid>(type: "char(36)", nullable: false),
+                    TeachingTaskId = table.Column<Guid>(type: "char(36)", nullable: false),
+                    ClassroomId = table.Column<Guid>(type: "char(36)", nullable: true),
+                    Week = table.Column<int>(type: "int", nullable: false),
+                    DayOfWeek = table.Column<int>(type: "int", nullable: false),
+                    StartPeriod = table.Column<int>(type: "int", nullable: false),
+                    PeriodCount = table.Column<int>(type: "int", nullable: false),
+                    Kind = table.Column<int>(type: "int", nullable: false),
+                    CreatedAt = table.Column<DateTime>(type: "datetime(6)", nullable: false),
+                    UpdatedAt = table.Column<DateTime>(type: "datetime(6)", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_PublishedScheduleOccurrences", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_PublishedScheduleOccurrences_Classrooms_ClassroomId",
+                        column: x => x.ClassroomId,
+                        principalTable: "Classrooms",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.SetNull);
+                    table.ForeignKey(
+                        name: "FK_PublishedScheduleOccurrences_ScheduleEntries_ScheduleEntryId",
+                        column: x => x.ScheduleEntryId,
+                        principalTable: "ScheduleEntries",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_PublishedScheduleOccurrences_TeachingTasks_TeachingTaskId",
+                        column: x => x.TeachingTaskId,
+                        principalTable: "TeachingTasks",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Restrict);
+                })
+                .Annotation("MySQL:Charset", "utf8mb4");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_PublishedScheduleOccurrences_AcademicTermId_TeachingTaskId_W~",
+                table: "PublishedScheduleOccurrences",
+                columns: new[] { "AcademicTermId", "TeachingTaskId", "Week" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_PublishedScheduleOccurrences_ClassroomId",
+                table: "PublishedScheduleOccurrences",
+                column: "ClassroomId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_PublishedScheduleOccurrences_ScheduleEntryId_Week",
+                table: "PublishedScheduleOccurrences",
+                columns: new[] { "ScheduleEntryId", "Week" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_PublishedScheduleOccurrences_SchedulePlanId_ClassroomId_Week~",
+                table: "PublishedScheduleOccurrences",
+                columns: new[] { "SchedulePlanId", "ClassroomId", "Week", "DayOfWeek", "StartPeriod" });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_PublishedScheduleOccurrences_TeachingTaskId",
+                table: "PublishedScheduleOccurrences",
+                column: "TeachingTaskId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "PublishedScheduleOccurrences");
+        }
+    }
+}

src/Jiaowu.Api/Infrastructure/Persistence/Migrations/MySql/20260809080519_OptimizePublishedTimetableOccurrenceLookup.cs

@@ -0,0 +1,27 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Jiaowu.Api.Infrastructure.Persistence.Migrations.MySql
+{
+    /// <inheritdoc />
+    public partial class OptimizePublishedTimetableOccurrenceLookup : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateIndex(
+                name: "IX_PublishedScheduleOccurrences_AcademicTermId_Week_DayOfWeek_S~",
+                table: "PublishedScheduleOccurrences",
+                columns: new[] { "AcademicTermId", "Week", "DayOfWeek", "StartPeriod", "ClassroomId" });
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "IX_PublishedScheduleOccurrences_AcademicTermId_Week_DayOfWeek_S~",
+                table: "PublishedScheduleOccurrences");
+        }
+    }
+}

src/Jiaowu.Api/Infrastructure/Persistence/Migrations/MySql/20260809085443_AddReusableCourseGroups.cs

@@ -0,0 +1,87 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Jiaowu.Api.Infrastructure.Persistence.Migrations.MySql
+{
+    /// <inheritdoc />
+    public partial class AddReusableCourseGroups : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "CourseGroups",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "char(36)", nullable: false),
+                    Code = table.Column<string>(type: "varchar(30)", maxLength: 30, nullable: false),
+                    Name = table.Column<string>(type: "varchar(100)", maxLength: 100, nullable: false),
+                    Description = table.Column<string>(type: "varchar(500)", maxLength: 500, nullable: true),
+                    CreatedAt = table.Column<DateTime>(type: "datetime(6)", nullable: false),
+                    UpdatedAt = table.Column<DateTime>(type: "datetime(6)", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_CourseGroups", x => x.Id);
+                })
+                .Annotation("MySQL:Charset", "utf8mb4");
+
+            migrationBuilder.CreateTable(
+                name: "CourseGroupCourses",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "char(36)", nullable: false),
+                    CourseGroupId = table.Column<Guid>(type: "char(36)", nullable: false),
+                    CourseId = table.Column<Guid>(type: "char(36)", nullable: false),
+                    CreatedAt = table.Column<DateTime>(type: "datetime(6)", nullable: false),
+                    UpdatedAt = table.Column<DateTime>(type: "datetime(6)", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_CourseGroupCourses", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_CourseGroupCourses_CourseGroups_CourseGroupId",
+                        column: x => x.CourseGroupId,
+                        principalTable: "CourseGroups",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_CourseGroupCourses_Courses_CourseId",
+                        column: x => x.CourseId,
+                        principalTable: "Courses",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Restrict);
+                })
+                .Annotation("MySQL:Charset", "utf8mb4");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_CourseGroupCourses_CourseGroupId_CourseId",
+                table: "CourseGroupCourses",
+                columns: new[] { "CourseGroupId", "CourseId" },
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_CourseGroupCourses_CourseId",
+                table: "CourseGroupCourses",
+                column: "CourseId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_CourseGroups_Code",
+                table: "CourseGroups",
+                column: "Code",
+                unique: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "CourseGroupCourses");
+
+            migrationBuilder.DropTable(
+                name: "CourseGroups");
+        }
+    }
+}

src/Jiaowu.Api/Infrastructure/Persistence/Migrations/MySql/20260809112000_AllowAllScheduledExperimentLessons.Designer.cs

@@ -0,0 +1,19 @@
+// <auto-generated />
+using Jiaowu.Api.Infrastructure.Persistence;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Jiaowu.Api.Infrastructure.Persistence.Migrations.MySql;
+
+[DbContext(typeof(AppDbContext))]
+[Migration("20260809112000_AllowAllScheduledExperimentLessons")]
+partial class AllowAllScheduledExperimentLessons
+{
+    protected override void BuildTargetModel(ModelBuilder modelBuilder)
+    {
+        modelBuilder.HasAnnotation("ProductVersion", "10.0.10");
+    }
+}

src/Jiaowu.Api/Infrastructure/Persistence/Migrations/MySql/20260809112000_AllowAllScheduledExperimentLessons.cs

@@ -0,0 +1,45 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Jiaowu.Api.Infrastructure.Persistence.Migrations.MySql;
+
+public partial class AllowAllScheduledExperimentLessons : Migration
+{
+    protected override void Up(MigrationBuilder migrationBuilder)
+    {
+        // MySQL 可能将旧唯一索引用于外键支撑。先提供同列的普通索引，
+        // 再替换业务唯一索引，避免线上迁移因外键依赖而中断。
+        migrationBuilder.CreateIndex(
+            name: "IX_ExperimentProjects_TeachingTaskId_Code_FkSupport",
+            table: "ExperimentProjects",
+            columns: new[] { "TeachingTaskId", "Code" });
+
+        migrationBuilder.DropIndex(
+            name: "IX_ExperimentProjects_TeachingTaskId_Code",
+            table: "ExperimentProjects");
+
+        migrationBuilder.CreateIndex(
+            name: "IX_ExperimentProjects_TeachingTaskId_Code_ScheduleEntryId",
+            table: "ExperimentProjects",
+            columns: new[] { "TeachingTaskId", "Code", "ScheduleEntryId" },
+            unique: true);
+    }
+
+    protected override void Down(MigrationBuilder migrationBuilder)
+    {
+        migrationBuilder.DropIndex(
+            name: "IX_ExperimentProjects_TeachingTaskId_Code_ScheduleEntryId",
+            table: "ExperimentProjects");
+
+        migrationBuilder.CreateIndex(
+            name: "IX_ExperimentProjects_TeachingTaskId_Code",
+            table: "ExperimentProjects",
+            columns: new[] { "TeachingTaskId", "Code" },
+            unique: true);
+
+        migrationBuilder.DropIndex(
+            name: "IX_ExperimentProjects_TeachingTaskId_Code_FkSupport",
+            table: "ExperimentProjects");
+    }
+}

src/Jiaowu.Api/Infrastructure/Persistence/Migrations/MySql/20260809114000_SplitCentralizedExperimentProjectsByWeek.Designer.cs

@@ -0,0 +1,19 @@
+// <auto-generated />
+using Jiaowu.Api.Infrastructure.Persistence;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Jiaowu.Api.Infrastructure.Persistence.Migrations.MySql;
+
+[DbContext(typeof(AppDbContext))]
+[Migration("20260809114000_SplitCentralizedExperimentProjectsByWeek")]
+partial class SplitCentralizedExperimentProjectsByWeek
+{
+    protected override void BuildTargetModel(ModelBuilder modelBuilder)
+    {
+        modelBuilder.HasAnnotation("ProductVersion", "10.0.10");
+    }
+}

src/Jiaowu.Api/Infrastructure/Persistence/Migrations/MySql/20260809114000_SplitCentralizedExperimentProjectsByWeek.cs

@@ -0,0 +1,78 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Jiaowu.Api.Infrastructure.Persistence.Migrations.MySql;
+
+public partial class SplitCentralizedExperimentProjectsByWeek : Migration
+{
+    protected override void Up(MigrationBuilder migrationBuilder)
+    {
+        ExecuteWhenMissing(
+            migrationBuilder,
+            "COLUMNS",
+            "COLUMN_NAME = 'ScheduleWeek'",
+            "ALTER TABLE `ExperimentProjects` ADD COLUMN `ScheduleWeek` int NULL");
+
+        ExecuteWhenPresent(
+            migrationBuilder,
+            "STATISTICS",
+            "INDEX_NAME = 'IX_ExperimentProjects_TeachingTaskId_Code_ScheduleEntryId'",
+            "DROP INDEX `IX_ExperimentProjects_TeachingTaskId_Code_ScheduleEntryId` ON `ExperimentProjects`");
+
+        ExecuteWhenMissing(
+            migrationBuilder,
+            "STATISTICS",
+            "INDEX_NAME = 'IX_ExpProj_Task_Code_Entry_Week'",
+            "CREATE UNIQUE INDEX `IX_ExpProj_Task_Code_Entry_Week` ON `ExperimentProjects` (`TeachingTaskId`, `Code`, `ScheduleEntryId`, `ScheduleWeek`)");
+    }
+
+    protected override void Down(MigrationBuilder migrationBuilder)
+    {
+        migrationBuilder.DropIndex(
+            name: "IX_ExpProj_Task_Code_Entry_Week",
+            table: "ExperimentProjects");
+
+        migrationBuilder.CreateIndex(
+            name: "IX_ExperimentProjects_TeachingTaskId_Code_ScheduleEntryId",
+            table: "ExperimentProjects",
+            columns: new[] { "TeachingTaskId", "Code", "ScheduleEntryId" },
+            unique: true);
+
+        migrationBuilder.DropColumn(
+            name: "ScheduleWeek",
+            table: "ExperimentProjects");
+    }
+
+    private static void ExecuteWhenMissing(
+        MigrationBuilder migrationBuilder,
+        string informationSchemaTable,
+        string condition,
+        string command)
+    {
+        ExecuteConditionally(migrationBuilder, informationSchemaTable, condition, command, "= 0");
+    }
+
+    private static void ExecuteWhenPresent(
+        MigrationBuilder migrationBuilder,
+        string informationSchemaTable,
+        string condition,
+        string command)
+    {
+        ExecuteConditionally(migrationBuilder, informationSchemaTable, condition, command, "> 0");
+    }
+
+    private static void ExecuteConditionally(
+        MigrationBuilder migrationBuilder,
+        string informationSchemaTable,
+        string condition,
+        string command,
+        string comparison)
+    {
+        migrationBuilder.Sql($"SET @jiaowu_exists = (SELECT COUNT(*) FROM `information_schema`.`{informationSchemaTable}` WHERE `TABLE_SCHEMA` = DATABASE() AND `TABLE_NAME` = 'ExperimentProjects' AND {condition})");
+        migrationBuilder.Sql($"SET @jiaowu_sql = IF(@jiaowu_exists {comparison}, '{command}', 'SELECT 1')");
+        migrationBuilder.Sql("PREPARE jiaowu_migration_statement FROM @jiaowu_sql");
+        migrationBuilder.Sql("EXECUTE jiaowu_migration_statement");
+        migrationBuilder.Sql("DEALLOCATE PREPARE jiaowu_migration_statement");
+    }
+}

src/Jiaowu.Api/Infrastructure/Persistence/Migrations/MySql/20260809121000_ExperimentPublishJobPayload.cs

@@ -0,0 +1,29 @@
+using Jiaowu.Api.Infrastructure.Persistence;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Jiaowu.Api.Infrastructure.Persistence.Migrations.MySql;
+
+[DbContext(typeof(AppDbContext))]
+[Migration("20260809121000_ExperimentPublishJobPayload")]
+public partial class ExperimentPublishJobPayload : Migration
+{
+    protected override void Up(MigrationBuilder migrationBuilder)
+    {
+        migrationBuilder.AddColumn<string>(
+            name: "ProjectIdsJson",
+            table: "ExamPublishJobs",
+            type: "longtext",
+            maxLength: 5000,
+            nullable: true);
+    }
+
+    protected override void Down(MigrationBuilder migrationBuilder)
+    {
+        migrationBuilder.DropColumn(
+            name: "ProjectIdsJson",
+            table: "ExamPublishJobs");
+    }
+}

src/Jiaowu.Api/Infrastructure/Persistence/Migrations/MySql/20260809123700_CourseGradeStatisticsRefreshSettings.cs

@@ -0,0 +1,48 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Jiaowu.Api.Infrastructure.Persistence.Migrations.MySql
+{
+    /// <inheritdoc />
+    public partial class CourseGradeStatisticsRefreshSettings : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "CourseGradeStatisticsRefreshSettings",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "char(36)", nullable: false),
+                    Key = table.Column<string>(type: "varchar(50)", maxLength: 50, nullable: false),
+                    IsEnabled = table.Column<bool>(type: "tinyint(1)", nullable: false),
+                    IntervalSeconds = table.Column<int>(type: "int", nullable: false),
+                    BatchSize = table.Column<int>(type: "int", nullable: false),
+                    LastRunAt = table.Column<DateTime>(type: "datetime(6)", nullable: true),
+                    CreatedAt = table.Column<DateTime>(type: "datetime(6)", nullable: false),
+                    UpdatedAt = table.Column<DateTime>(type: "datetime(6)", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_CourseGradeStatisticsRefreshSettings", x => x.Id);
+                })
+                .Annotation("MySQL:Charset", "utf8mb4");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_CourseGradeStatisticsRefreshSettings_Key",
+                table: "CourseGradeStatisticsRefreshSettings",
+                column: "Key",
+                unique: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "CourseGradeStatisticsRefreshSettings");
+
+        }
+    }
+}

src/Jiaowu.Api/Infrastructure/Persistence/Migrations/MySql/20260809130121_ExamArrangementJobPayload.cs

@@ -0,0 +1,28 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Jiaowu.Api.Infrastructure.Persistence.Migrations.MySql
+{
+    /// <inheritdoc />
+    public partial class ExamArrangementJobPayload : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<string>(
+                name: "ProjectIdsJson",
+                table: "ExamArrangementJobs",
+                type: "longtext",
+                nullable: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "ProjectIdsJson",
+                table: "ExamArrangementJobs");
+        }
+    }
+}

src/Jiaowu.Api/Infrastructure/Persistence/Migrations/MySql/AppDbContextModelSnapshot.cs

@@ -1098,6 +1098,105 @@ namespace Jiaowu.Api.Infrastructure.Persistence.Migrations.MySql
                     b.ToTable("CourseGradeStatisticsRefreshJobs");
                 });
 
+            modelBuilder.Entity("Jiaowu.Api.Domain.Academic.CourseGradeStatisticsRefreshSetting", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("char(36)");
+
+                    b.Property<int>("BatchSize")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<int>("IntervalSeconds")
+                        .HasColumnType("int");
+
+                    b.Property<bool>("IsEnabled")
+                        .HasColumnType("tinyint(1)");
+
+                    b.Property<string>("Key")
+                        .IsRequired()
+                        .HasMaxLength(50)
+                        .HasColumnType("varchar(50)");
+
+                    b.Property<DateTime?>("LastRunAt")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<DateTime>("UpdatedAt")
+                        .HasColumnType("datetime(6)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Key")
+                        .IsUnique();
+
+                    b.ToTable("CourseGradeStatisticsRefreshSettings");
+                });
+
+            modelBuilder.Entity("Jiaowu.Api.Domain.Academic.CourseGroup", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("char(36)");
+
+                    b.Property<string>("Code")
+                        .IsRequired()
+                        .HasMaxLength(30)
+                        .HasColumnType("varchar(30)");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<string>("Description")
+                        .HasMaxLength(500)
+                        .HasColumnType("varchar(500)");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("varchar(100)");
+
+                    b.Property<DateTime>("UpdatedAt")
+                        .HasColumnType("datetime(6)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Code")
+                        .IsUnique();
+
+                    b.ToTable("CourseGroups");
+                });
+
+            modelBuilder.Entity("Jiaowu.Api.Domain.Academic.CourseGroupCourse", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("char(36)");
+
+                    b.Property<Guid>("CourseGroupId")
+                        .HasColumnType("char(36)");
+
+                    b.Property<Guid>("CourseId")
+                        .HasColumnType("char(36)");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<DateTime>("UpdatedAt")
+                        .HasColumnType("datetime(6)");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("CourseId");
+
+                    b.HasIndex("CourseGroupId", "CourseId")
+                        .IsUnique();
+
+                    b.ToTable("CourseGroupCourses");
+                });
+
             modelBuilder.Entity("Jiaowu.Api.Domain.Academic.CoursePrerequisite", b =>
                 {
                     b.Property<Guid>("Id")
@@ -1749,6 +1848,9 @@ namespace Jiaowu.Api.Infrastructure.Persistence.Migrations.MySql
                     b.Property<int>("ProcessedSessions")
                         .HasColumnType("int");
 
+                    b.Property<string>("ProjectIdsJson")
+                        .HasColumnType("longtext");
+
                     b.Property<Guid?>("RequestedByUserId")
                         .HasColumnType("char(36)");
 
@@ -1851,6 +1953,9 @@ namespace Jiaowu.Api.Infrastructure.Persistence.Migrations.MySql
                     b.Property<Guid>("PlanId")
                         .HasColumnType("char(36)");
 
+                    b.Property<string>("ProjectIdsJson")
+                        .HasColumnType("longtext");
+
                     b.Property<Guid?>("RequestedByUserId")
                         .HasColumnType("char(36)");
 
@@ -2370,6 +2475,9 @@ namespace Jiaowu.Api.Infrastructure.Persistence.Migrations.MySql
                     b.Property<Guid?>("ScheduleEntryId")
                         .HasColumnType("char(36)");
 
+                    b.Property<int?>("ScheduleWeek")
+                        .HasColumnType("int");
+
                     b.Property<DateTime>("StartDate")
                         .HasColumnType("date");
 
@@ -2386,7 +2494,7 @@ namespace Jiaowu.Api.Infrastructure.Persistence.Migrations.MySql
 
                     b.HasIndex("ScheduleEntryId");
 
-                    b.HasIndex("TeachingTaskId", "Code")
+                    b.HasIndex("TeachingTaskId", "Code", "ScheduleEntryId", "ScheduleWeek")
                         .IsUnique();
 
                     b.HasIndex("Status", "StartDate", "EndDate");
@@ -3499,6 +3607,66 @@ namespace Jiaowu.Api.Infrastructure.Persistence.Migrations.MySql
                     b.ToTable("OtherExamResults");
                 });
 
+            modelBuilder.Entity("Jiaowu.Api.Domain.Academic.PublishedScheduleOccurrence", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("char(36)");
+
+                    b.Property<Guid>("AcademicTermId")
+                        .HasColumnType("char(36)");
+
+                    b.Property<Guid?>("ClassroomId")
+                        .HasColumnType("char(36)");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<int>("DayOfWeek")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Kind")
+                        .HasColumnType("int");
+
+                    b.Property<int>("PeriodCount")
+                        .HasColumnType("int");
+
+                    b.Property<Guid>("ScheduleEntryId")
+                        .HasColumnType("char(36)");
+
+                    b.Property<Guid>("SchedulePlanId")
+                        .HasColumnType("char(36)");
+
+                    b.Property<int>("StartPeriod")
+                        .HasColumnType("int");
+
+                    b.Property<Guid>("TeachingTaskId")
+                        .HasColumnType("char(36)");
+
+                    b.Property<DateTime>("UpdatedAt")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<int>("Week")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ClassroomId");
+
+                    b.HasIndex("TeachingTaskId");
+
+                    b.HasIndex("ScheduleEntryId", "Week")
+                        .IsUnique();
+
+                    b.HasIndex("AcademicTermId", "TeachingTaskId", "Week");
+
+                    b.HasIndex("AcademicTermId", "Week", "DayOfWeek", "StartPeriod", "ClassroomId");
+
+                    b.HasIndex("SchedulePlanId", "ClassroomId", "Week", "DayOfWeek", "StartPeriod");
+
+                    b.ToTable("PublishedScheduleOccurrences");
+                });
+
             modelBuilder.Entity("Jiaowu.Api.Domain.Academic.ScheduleEntry", b =>
                 {
                     b.Property<Guid>("Id")
@@ -4102,6 +4270,21 @@ namespace Jiaowu.Api.Infrastructure.Persistence.Migrations.MySql
                     b.ToTable("TeachingTaskAllowedClassrooms");
                 });
 
+            modelBuilder.Entity("Jiaowu.Api.Domain.Academic.TeachingTaskAllowedExperimentClassroom", b =>
+                {
+                    b.Property<Guid>("TeachingTaskScheduleConstraintId")
+                        .HasColumnType("char(36)");
+
+                    b.Property<Guid>("ClassroomId")
+                        .HasColumnType("char(36)");
+
+                    b.HasKey("TeachingTaskScheduleConstraintId", "ClassroomId");
+
+                    b.HasIndex("ClassroomId");
+
+                    b.ToTable("TeachingTaskAllowedExperimentClassrooms");
+                });
+
             modelBuilder.Entity("Jiaowu.Api.Domain.Academic.TeachingTaskClass", b =>
                 {
                     b.Property<Guid>("TeachingTaskId")
@@ -4257,6 +4440,12 @@ namespace Jiaowu.Api.Infrastructure.Persistence.Migrations.MySql
                     b.Property<int?>("EarliestPeriod")
                         .HasColumnType("int");
 
+                    b.Property<Guid?>("ExperimentRequiredBuildingId")
+                        .HasColumnType("char(36)");
+
+                    b.Property<Guid?>("ExperimentRequiredCampusId")
+                        .HasColumnType("char(36)");
+
                     b.Property<int?>("LatestPeriod")
                         .HasColumnType("int");
 
@@ -4277,6 +4466,10 @@ namespace Jiaowu.Api.Infrastructure.Persistence.Migrations.MySql
 
                     b.HasKey("Id");
 
+                    b.HasIndex("ExperimentRequiredBuildingId");
+
+                    b.HasIndex("ExperimentRequiredCampusId");
+
                     b.HasIndex("RequiredBuildingId");
 
                     b.HasIndex("RequiredCampusId");
@@ -5167,6 +5360,25 @@ namespace Jiaowu.Api.Infrastructure.Persistence.Migrations.MySql
                         .IsRequired();
                 });
 
+            modelBuilder.Entity("Jiaowu.Api.Domain.Academic.CourseGroupCourse", b =>
+                {
+                    b.HasOne("Jiaowu.Api.Domain.Academic.CourseGroup", "CourseGroup")
+                        .WithMany("Courses")
+                        .HasForeignKey("CourseGroupId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Jiaowu.Api.Domain.Academic.Course", "Course")
+                        .WithMany()
+                        .HasForeignKey("CourseId")
+                        .OnDelete(DeleteBehavior.Restrict)
+                        .IsRequired();
+
+                    b.Navigation("Course");
+
+                    b.Navigation("CourseGroup");
+                });
+
             modelBuilder.Entity("Jiaowu.Api.Domain.Academic.CoursePrerequisite", b =>
                 {
                     b.HasOne("Jiaowu.Api.Domain.Academic.Course", "Course")
@@ -6021,6 +6233,32 @@ namespace Jiaowu.Api.Infrastructure.Persistence.Migrations.MySql
                     b.Navigation("Student");
                 });
 
+            modelBuilder.Entity("Jiaowu.Api.Domain.Academic.PublishedScheduleOccurrence", b =>
+                {
+                    b.HasOne("Jiaowu.Api.Domain.Academic.Classroom", "Classroom")
+                        .WithMany()
+                        .HasForeignKey("ClassroomId")
+                        .OnDelete(DeleteBehavior.SetNull);
+
+                    b.HasOne("Jiaowu.Api.Domain.Academic.ScheduleEntry", "ScheduleEntry")
+                        .WithMany()
+                        .HasForeignKey("ScheduleEntryId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("Jiaowu.Api.Domain.Academic.TeachingTask", "TeachingTask")
+                        .WithMany()
+                        .HasForeignKey("TeachingTaskId")
+                        .OnDelete(DeleteBehavior.Restrict)
+                        .IsRequired();
+
+                    b.Navigation("Classroom");
+
+                    b.Navigation("ScheduleEntry");
+
+                    b.Navigation("TeachingTask");
+                });
+
             modelBuilder.Entity("Jiaowu.Api.Domain.Academic.ScheduleEntry", b =>
                 {
                     b.HasOne("Jiaowu.Api.Domain.Academic.Classroom", "Classroom")
@@ -6198,6 +6436,25 @@ namespace Jiaowu.Api.Infrastructure.Persistence.Migrations.MySql
                     b.Navigation("TeachingTaskScheduleConstraint");
                 });
 
+            modelBuilder.Entity("Jiaowu.Api.Domain.Academic.TeachingTaskAllowedExperimentClassroom", b =>
+                {
+                    b.HasOne("Jiaowu.Api.Domain.Academic.Classroom", "Classroom")
+                        .WithMany()
+                        .HasForeignKey("ClassroomId")
+                        .OnDelete(DeleteBehavior.Restrict)
+                        .IsRequired();
+
+                    b.HasOne("Jiaowu.Api.Domain.Academic.TeachingTaskScheduleConstraint", "TeachingTaskScheduleConstraint")
+                        .WithMany("AllowedExperimentClassrooms")
+                        .HasForeignKey("TeachingTaskScheduleConstraintId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Classroom");
+
+                    b.Navigation("TeachingTaskScheduleConstraint");
+                });
+
             modelBuilder.Entity("Jiaowu.Api.Domain.Academic.TeachingTaskClass", b =>
                 {
                     b.HasOne("Jiaowu.Api.Domain.Academic.AdministrativeClass", "AdministrativeClass")
@@ -6261,6 +6518,16 @@ namespace Jiaowu.Api.Infrastructure.Persistence.Migrations.MySql
 
             modelBuilder.Entity("Jiaowu.Api.Domain.Academic.TeachingTaskScheduleConstraint", b =>
                 {
+                    b.HasOne("Jiaowu.Api.Domain.Academic.Building", "ExperimentRequiredBuilding")
+                        .WithMany()
+                        .HasForeignKey("ExperimentRequiredBuildingId")
+                        .OnDelete(DeleteBehavior.Restrict);
+
+                    b.HasOne("Jiaowu.Api.Domain.Academic.Campus", "ExperimentRequiredCampus")
+                        .WithMany()
+                        .HasForeignKey("ExperimentRequiredCampusId")
+                        .OnDelete(DeleteBehavior.Restrict);
+
                     b.HasOne("Jiaowu.Api.Domain.Academic.Building", "RequiredBuilding")
                         .WithMany()
                         .HasForeignKey("RequiredBuildingId")
@@ -6277,6 +6544,10 @@ namespace Jiaowu.Api.Infrastructure.Persistence.Migrations.MySql
                         .OnDelete(DeleteBehavior.Cascade)
                         .IsRequired();
 
+                    b.Navigation("ExperimentRequiredBuilding");
+
+                    b.Navigation("ExperimentRequiredCampus");
+
                     b.Navigation("RequiredBuilding");
 
                     b.Navigation("RequiredCampus");
@@ -6406,6 +6677,11 @@ namespace Jiaowu.Api.Infrastructure.Persistence.Migrations.MySql
                     b.Navigation("RequiredByCourses");
                 });
 
+            modelBuilder.Entity("Jiaowu.Api.Domain.Academic.CourseGroup", b =>
+                {
+                    b.Navigation("Courses");
+                });
+
             modelBuilder.Entity("Jiaowu.Api.Domain.Academic.CourseSelectionOffering", b =>
                 {
                     b.Navigation("Enrollments");
@@ -6585,6 +6861,8 @@ namespace Jiaowu.Api.Infrastructure.Persistence.Migrations.MySql
             modelBuilder.Entity("Jiaowu.Api.Domain.Academic.TeachingTaskScheduleConstraint", b =>
                 {
                     b.Navigation("AllowedClassrooms");
+
+                    b.Navigation("AllowedExperimentClassrooms");
                 });
 #pragma warning restore 612, 618
         }

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

@@ -44,6 +44,7 @@ public sealed class AutomaticScheduleGenerator(AppDbContext db)
         var constraints = await db.TeachingTaskScheduleConstraints.AsNoTracking()
             .WhereIn(taskIds, x => x.TeachingTaskId)
             .Include(x => x.AllowedClassrooms)
+            .Include(x => x.AllowedExperimentClassrooms)
             .ToDictionaryAsync(x => x.TeachingTaskId, cancellationToken);
         var classrooms = await db.Classrooms.AsNoTracking()
             .Where(x => x.IsEnabled)
@@ -253,8 +254,15 @@ public sealed class AutomaticScheduleGenerator(AppDbContext db)
                             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 experimentGeneralClassroomPenalty =
+                            kind == ScheduleEntryKind.Experiment &&
+                            constraint?.AllowedExperimentVenueNatures == 0 &&
+                            room?.TeachingVenueNature == TeachingVenueNature.GeneralClassroom
+                                ? 100_000
+                                : 0;
                         var score = sameTaskDay * 1000 + dayLoad * 10 + start +
-                                    roomWaste / 10 + startWeek;
+                                    roomWaste / 10 + startWeek +
+                                    experimentGeneralClassroomPenalty;
                         candidates.Add((proposed, score));
                     }
                 }
@@ -279,6 +287,9 @@ public sealed class AutomaticScheduleGenerator(AppDbContext db)
         var allowedRoomIds = constraint?.AllowedClassrooms
             .Select(x => x.ClassroomId)
             .ToHashSet() ?? [];
+        var allowedExperimentRoomIds = constraint?.AllowedExperimentClassrooms
+            .Select(x => x.ClassroomId)
+            .ToHashSet() ?? [];
         var minimumCapacity = Math.Max(
             task.Capacity,
             task.Classes.Sum(x =>
@@ -286,16 +297,25 @@ public sealed class AutomaticScheduleGenerator(AppDbContext db)
                     student.Status == StudentStatus.Active) ?? 0));
         return classrooms.Where(room =>
                 room.Capacity >= minimumCapacity &&
-                (constraint?.RequiredCampusId is not Guid requiredCampusId ||
+                (kind == ScheduleEntryKind.Experiment ||
+                 constraint?.RequiredCampusId is not Guid requiredCampusId ||
                     room.Building!.CampusId == requiredCampusId) &&
-                (constraint?.RequiredBuildingId is not Guid requiredBuildingId ||
+                (kind == ScheduleEntryKind.Experiment ||
+                 constraint?.RequiredBuildingId is not Guid requiredBuildingId ||
                     room.BuildingId == requiredBuildingId) &&
-                (allowedRoomIds.Count == 0 || allowedRoomIds.Contains(room.Id)) &&
                 (kind != ScheduleEntryKind.Experiment ||
-                 TeachingVenueNatureRules.SupportsExperiment(room.TeachingVenueNature)) &&
+                 constraint?.ExperimentRequiredCampusId is not Guid experimentCampusId ||
+                 room.Building!.CampusId == experimentCampusId) &&
+                (kind != ScheduleEntryKind.Experiment ||
+                 constraint?.ExperimentRequiredBuildingId is not Guid experimentBuildingId ||
+                 room.BuildingId == experimentBuildingId) &&
+                (kind == ScheduleEntryKind.Experiment ||
+                 allowedRoomIds.Count == 0 || allowedRoomIds.Contains(room.Id)) &&
                 (kind != ScheduleEntryKind.Experiment || constraint is null ||
-                 constraint.AllowedExperimentVenueNatures == 0 ||
+                  constraint.AllowedExperimentVenueNatures == 0 ||
-                 (room.TeachingVenueNature & constraint.AllowedExperimentVenueNatures) != 0))
+                  (room.TeachingVenueNature & constraint.AllowedExperimentVenueNatures) != 0) &&
+                 (kind != ScheduleEntryKind.Experiment || allowedExperimentRoomIds.Count == 0 ||
+                  allowedExperimentRoomIds.Contains(room.Id)))
             .ToList();
     }
 

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

@@ -2,6 +2,7 @@ using System.Diagnostics.CodeAnalysis;
 using Jiaowu.Api.Domain.Academic;
 using Jiaowu.Api.Infrastructure.Caching;
 using Jiaowu.Api.Infrastructure.Persistence;
+using Jiaowu.Api.Infrastructure.Timetables;
 using Jiaowu.Api.Infrastructure.Teaching;
 using Microsoft.EntityFrameworkCore;
 
@@ -73,6 +74,8 @@ public sealed class SchedulePublishJobProcessor(
                     foreach (var oldPlan in previous)
                         oldPlan.Status = SchedulePlanStatus.Archived;
 
+                    await new PublishedTimetableProjectionService(db)
+                        .RebuildAsync(publishPlan, stoppingToken);
                     publishPlan.Status = SchedulePlanStatus.Published;
                     publishPlan.PublishedAt = DateTime.UtcNow;
                     publishJob.Status = SchedulePublishJobStatus.Succeeded;
@@ -167,6 +170,7 @@ public sealed class SchedulePlanPublisher(AppDbContext db)
         var constraints = await db.TeachingTaskScheduleConstraints.AsNoTracking()
             .WhereIn(taskIds, x => x.TeachingTaskId)
             .Include(x => x.AllowedClassrooms)
+            .Include(x => x.AllowedExperimentClassrooms)
             .ToDictionaryAsync(x => x.TeachingTaskId, cancellationToken);
 
         foreach (var entry in plan.Entries)
@@ -270,21 +274,40 @@ public sealed class SchedulePlanPublisher(AppDbContext db)
         {
             if (classroom is null || !classroom.IsEnabled)
                 Fail(entry, "所选教室不存在或已停用");
-            if (entry.Kind == ScheduleEntryKind.Experiment &&
+            if (entry.Kind != ScheduleEntryKind.Experiment &&
-                !IsExperimentRoom(classroom.RoomType))
+                constraint?.RequiredCampusId is Guid campusId &&
-                Fail(entry, $"实验课不能安排在“{classroom.RoomType}”类型的场地");
-            if (constraint?.RequiredCampusId is Guid campusId &&
                 classroom.Building!.CampusId != campusId)
                 Fail(entry, "所选教室不在指定校区");
-            if (constraint?.RequiredBuildingId is Guid buildingId &&
+            if (entry.Kind != ScheduleEntryKind.Experiment &&
+                constraint?.RequiredBuildingId is Guid buildingId &&
                 classroom.BuildingId != buildingId)
                 Fail(entry, "所选教室不在指定教学楼");
+            if (entry.Kind == ScheduleEntryKind.Experiment &&
+                constraint?.ExperimentRequiredCampusId is Guid experimentCampusId &&
+                classroom.Building!.CampusId != experimentCampusId)
+                Fail(entry, "所选场地不在实验课指定校区");
+            if (entry.Kind == ScheduleEntryKind.Experiment &&
+                constraint?.ExperimentRequiredBuildingId is Guid experimentBuildingId &&
+                classroom.BuildingId != experimentBuildingId)
+                Fail(entry, "所选场地不在实验课指定教学楼");
             var allowedClassroomIds = constraint?.AllowedClassrooms
                 .Select(x => x.ClassroomId)
                 .ToHashSet() ?? [];
-            if (allowedClassroomIds.Count > 0 &&
+            if (entry.Kind != ScheduleEntryKind.Experiment && allowedClassroomIds.Count > 0 &&
                 !allowedClassroomIds.Contains(classroom.Id))
                 Fail(entry, "所选教室不在指定教室范围内");
+            var allowedExperimentClassroomIds = constraint?.AllowedExperimentClassrooms
+                .Select(x => x.ClassroomId)
+                .ToHashSet() ?? [];
+            if (entry.Kind == ScheduleEntryKind.Experiment &&
+                allowedExperimentClassroomIds.Count > 0 &&
+                !allowedExperimentClassroomIds.Contains(classroom.Id))
+                Fail(entry, "所选场地不在实验课指定场地范围内");
+            if (entry.Kind == ScheduleEntryKind.Experiment &&
+                constraint?.AllowedExperimentVenueNatures is { } allowedNatures &&
+                allowedNatures != 0 &&
+                (classroom.TeachingVenueNature & allowedNatures) == 0)
+                Fail(entry, "所选场地不在实验课允许的场地性质范围内");
         }
 
         var studentCount = task.Classes.Sum(x =>
@@ -305,12 +328,6 @@ public sealed class SchedulePlanPublisher(AppDbContext db)
                 .Select(int.Parse)
                 .ToHashSet();
 
-    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);
-
     [DoesNotReturn]
     private static void Fail(ScheduleEntry entry, string message)
     {

src/Jiaowu.Api/Infrastructure/Timetables/ClassroomReservationAvailabilityService.cs

@@ -17,33 +17,34 @@ public sealed class ClassroomReservationAvailabilityService(AppDbContext db)
         var occupiedIds = new HashSet<Guid>();
         var (week, dayOfWeek) = ResolveTeachingWeek(term, reservationDate);
 
-        var scheduleEntries = await db.ScheduleEntries.AsNoTracking()
+        var hasProjection = await db.PublishedScheduleOccurrences.AsNoTracking()
-            .Where(entry =>
+            .AnyAsync(entry => entry.AcademicTermId == term.Id, cancellationToken);
-                entry.ClassroomId.HasValue &&
+        if (hasProjection)
-                entry.SchedulePlan!.AcademicTermId == term.Id &&
-                entry.SchedulePlan.Status == SchedulePlanStatus.Published &&
-                entry.DayOfWeek == dayOfWeek &&
-                entry.StartWeek <= week &&
-                entry.EndWeek >= week &&
-                entry.StartPeriod < startPeriod + periodCount &&
-                startPeriod < entry.StartPeriod + entry.PeriodCount)
-            .Select(entry => new
-            {
-                entry.ClassroomId,
-                entry.WeekPattern,
-                entry.StartPeriod,
-                entry.PeriodCount
-            })
-            .ToListAsync(cancellationToken);
-        foreach (var entry in scheduleEntries.Where(entry =>
-                     FreeClassroomRules.MatchesWeek(entry.WeekPattern, week) &&
-                     FreeClassroomRules.PeriodsOverlap(
-                         startPeriod,
-                         periodCount,
-                         entry.StartPeriod,
-                         entry.PeriodCount)))
         {
-            occupiedIds.Add(entry.ClassroomId!.Value);
+            var projectedRoomIds = await db.PublishedScheduleOccurrences.AsNoTracking()
+                .Where(entry => entry.AcademicTermId == term.Id && entry.Week == week &&
+                    entry.DayOfWeek == dayOfWeek && entry.ClassroomId.HasValue &&
+                    entry.StartPeriod < startPeriod + periodCount &&
+                    startPeriod < entry.StartPeriod + entry.PeriodCount)
+                .Select(entry => entry.ClassroomId!.Value)
+                .ToListAsync(cancellationToken);
+            occupiedIds.UnionWith(projectedRoomIds);
+        }
+        else
+        {
+            var scheduleEntries = await db.ScheduleEntries.AsNoTracking()
+                .Where(entry => entry.ClassroomId.HasValue &&
+                    entry.SchedulePlan!.AcademicTermId == term.Id &&
+                    entry.SchedulePlan.Status == SchedulePlanStatus.Published &&
+                    entry.DayOfWeek == dayOfWeek && entry.StartWeek <= week &&
+                    entry.EndWeek >= week && entry.StartPeriod < startPeriod + periodCount &&
+                    startPeriod < entry.StartPeriod + entry.PeriodCount)
+                .Select(entry => new { entry.ClassroomId, entry.WeekPattern, entry.StartPeriod, entry.PeriodCount })
+                .ToListAsync(cancellationToken);
+            foreach (var entry in scheduleEntries.Where(entry =>
+                         FreeClassroomRules.MatchesWeek(entry.WeekPattern, week) &&
+                         FreeClassroomRules.PeriodsOverlap(startPeriod, periodCount, entry.StartPeriod, entry.PeriodCount)))
+                occupiedIds.Add(entry.ClassroomId!.Value);
         }
 
         var examRoomIds = await db.ExamSessions.AsNoTracking()

src/Jiaowu.Api/Infrastructure/Timetables/PublishedTimetableProjectionService.cs

@@ -0,0 +1,63 @@
+using Jiaowu.Api.Domain.Academic;
+using Jiaowu.Api.Infrastructure.Persistence;
+using Microsoft.EntityFrameworkCore;
+
+namespace Jiaowu.Api.Infrastructure.Timetables;
+
+public sealed class PublishedTimetableProjectionService(AppDbContext db)
+{
+    private const int WriteBatchSize = 2_000;
+    public async Task RebuildPublishedPlansForTaskAsync(Guid teachingTaskId, CancellationToken cancellationToken)
+    {
+        var plans = await db.SchedulePlans
+            .Where(plan => plan.Status == SchedulePlanStatus.Published &&
+                plan.Entries.Any(entry => entry.TeachingTaskId == teachingTaskId))
+            .Include(plan => plan.Entries)
+            .ToListAsync(cancellationToken);
+        foreach (var plan in plans)
+            await RebuildAsync(plan, cancellationToken);
+    }
+
+    public async Task RebuildAsync(SchedulePlan plan, CancellationToken cancellationToken)
+    {
+        await db.PublishedScheduleOccurrences
+            .Where(x => x.SchedulePlanId == plan.Id)
+            .ExecuteDeleteAsync(cancellationToken);
+
+        var rows = new List<PublishedScheduleOccurrence>(WriteBatchSize);
+        foreach (var entry in plan.Entries)
+        for (var week = entry.StartWeek; week <= entry.EndWeek; week++)
+        {
+            if (entry.WeekPattern == WeekPattern.Odd && week % 2 == 0 ||
+                entry.WeekPattern == WeekPattern.Even && week % 2 != 0) continue;
+            rows.Add(new PublishedScheduleOccurrence
+            {
+                SchedulePlanId = plan.Id,
+                AcademicTermId = plan.AcademicTermId,
+                ScheduleEntryId = entry.Id,
+                TeachingTaskId = entry.TeachingTaskId,
+                ClassroomId = entry.ClassroomId,
+                Week = week,
+                DayOfWeek = entry.DayOfWeek,
+                StartPeriod = entry.StartPeriod,
+                PeriodCount = entry.PeriodCount,
+                Kind = entry.Kind
+            });
+            if (rows.Count == WriteBatchSize)
+                await WriteBatchAsync(rows, cancellationToken);
+        }
+        if (rows.Count > 0)
+            await WriteBatchAsync(rows, cancellationToken);
+    }
+
+    private async Task WriteBatchAsync(
+        List<PublishedScheduleOccurrence> rows,
+        CancellationToken cancellationToken)
+    {
+        db.PublishedScheduleOccurrences.AddRange(rows);
+        await db.SaveChangesAsync(cancellationToken);
+        foreach (var row in rows)
+            db.Entry(row).State = EntityState.Detached;
+        rows.Clear();
+    }
+}

src/Jiaowu.Api/Program.cs

@@ -422,6 +422,7 @@ builder.Services.AddScoped<DatabaseInitializer>();
 builder.Services.AddScoped<DemoDataSeeder>();
 builder.Services.AddScoped<DevelopmentSqliteMigrator>();
 builder.Services.AddScoped<TimetableDataService>();
+builder.Services.AddScoped<PublishedTimetableProjectionService>();
 builder.Services.AddScoped<AutomaticScheduleGenerator>();
 builder.Services.AddScoped<PersonalCalendarService>();
 builder.Services.AddScoped<ClassroomReservationAvailabilityService>();
@@ -437,6 +438,9 @@ builder.Services.AddScoped<ExamArrangementJobProcessor>();
 builder.Services.AddScoped<ExamSignInExportJobProcessor>();
 builder.Services.AddScoped<ExamPublishJobProcessor>();
 builder.Services.AddScoped<CourseGradeStatisticsRefreshJobProcessor>();
+builder.Services.AddScoped<CourseGradeStatisticsRefreshScheduler>();
+builder.Services.AddSingleton(TimeProvider.System);
+builder.Services.AddHostedService<CourseGradeStatisticsRefreshWorker>();
 builder.Services.AddSingleton<BackgroundJobTelemetry>();
 builder.Services.AddScoped<BackgroundJobMonitoringService>();
 builder.Services.AddScoped<OperationalHealthService>();

tests/Jiaowu.Api.Tests/CourseGradeStatisticsCronSchedulerTests.cs

@@ -0,0 +1,176 @@
+using Jiaowu.Api.Domain.Academic;
+using Jiaowu.Api.Domain.System;
+using Jiaowu.Api.Infrastructure.Grades;
+using Jiaowu.Api.Infrastructure.Persistence;
+using Microsoft.Data.Sqlite;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging.Abstractions;
+
+namespace Jiaowu.Api.Tests;
+
+public sealed class CourseGradeStatisticsRefreshSchedulerTests
+{
+    [Fact]
+    public async Task EnqueueDueAsync_UsesPersistentScheduleAndHonorsInterval()
+    {
+        await using var connection = new SqliteConnection("Data Source=:memory:");
+        await connection.OpenAsync();
+        var options = new DbContextOptionsBuilder<AppDbContext>()
+            .UseSqlite(connection)
+            .Options;
+        await using var db = new AppDbContext(options);
+        await db.Database.EnsureCreatedAsync();
+        var scheduler = new CourseGradeStatisticsRefreshScheduler(
+            db,
+            NullLogger<CourseGradeStatisticsRefreshScheduler>.Instance);
+        var now = new DateTime(2026, 8, 9, 12, 0, 0, DateTimeKind.Utc);
+
+        await scheduler.EnqueueDueAsync(now, CancellationToken.None);
+        var setting = Assert.Single(await db.CourseGradeStatisticsRefreshSettings.ToListAsync());
+        Assert.True(setting.IsEnabled);
+        Assert.Equal(now, setting.LastRunAt);
+
+        await scheduler.EnqueueDueAsync(now.AddMinutes(1), CancellationToken.None);
+        Assert.Equal(now, setting.LastRunAt);
+    }
+
+    [Fact]
+    public async Task EnqueueStaleAsync_GroupsByCourseTerm_AndSkipsActiveTarget()
+    {
+        await using var connection = new SqliteConnection("Data Source=:memory:");
+        await connection.OpenAsync();
+        var options = new DbContextOptionsBuilder<AppDbContext>()
+            .UseSqlite(connection)
+            .Options;
+        await using var db = new AppDbContext(options);
+        await db.Database.EnsureCreatedAsync();
+
+        var college = new College { Code = "SCHEDULE", Name = "定时任务学院" };
+        var major = new Major
+        {
+            Code = "SCHEDULE-M",
+            Name = "定时任务专业",
+            College = college,
+            DegreeType = "本科"
+        };
+        var administrativeClass = new AdministrativeClass
+        {
+            Code = "SCHEDULE-C",
+            Name = "定时任务一班",
+            Major = major,
+            Grade = 2026
+        };
+        var student = new Student
+        {
+            StudentNumber = "SCHEDULE-001",
+            Name = "定时任务学生",
+            AdministrativeClass = administrativeClass,
+            EnrollmentYear = 2026,
+            EnrollmentDate = new DateOnly(2026, 9, 1)
+        };
+        var course = new Course
+        {
+            Code = "SCHEDULE-COURSE",
+            Name = "定时任务课程",
+            College = college,
+            Credits = 2,
+            TotalHours = 32,
+            LectureHours = 32
+        };
+        var term = new AcademicTerm
+        {
+            Code = "2026-A",
+            Name = "2026-2027 学年第一学期",
+            AcademicYear = "2026-2027",
+            Season = TermSeason.Autumn,
+            StartDate = new DateOnly(2026, 9, 1),
+            EndDate = new DateOnly(2027, 1, 15)
+        };
+        var firstTask = new TeachingTask
+        {
+            TaskNumber = "SCHEDULE-T1",
+            Name = "定时任务教学班一",
+            Course = course,
+            AcademicTerm = term,
+            Capacity = 30
+        };
+        var secondTask = new TeachingTask
+        {
+            TaskNumber = "SCHEDULE-T2",
+            Name = "定时任务教学班二",
+            Course = course,
+            AcademicTerm = term,
+            Capacity = 30
+        };
+        var firstSheet = PublishedSheet(firstTask, student, 80m);
+        var secondSheet = PublishedSheet(secondTask, student, 90m);
+        db.GradeSheets.AddRange(firstSheet, secondSheet);
+        await db.SaveChangesAsync();
+
+        var scheduler = new CourseGradeStatisticsRefreshScheduler(
+            db,
+            NullLogger<CourseGradeStatisticsRefreshScheduler>.Instance);
+
+        var queued = await scheduler.EnqueueStaleAsync(100, CancellationToken.None);
+        var queuedAgain = await scheduler.EnqueueStaleAsync(100, CancellationToken.None);
+
+        Assert.Equal(1, queued);
+        Assert.Equal(0, queuedAgain);
+        var job = Assert.Single(await db.CourseGradeStatisticsRefreshJobs.ToListAsync());
+        var outbox = Assert.Single(await db.BackgroundJobOutboxMessages.ToListAsync());
+        Assert.Equal(BackgroundJobKind.CourseGradeStatisticsRefresh, outbox.JobKind);
+
+        job.Status = CourseGradeStatisticsRefreshJobStatus.Succeeded;
+        db.TeachingTaskGradeStatistics.AddRange(
+            FreshStatistic(firstSheet, course, term),
+            FreshStatistic(secondSheet, course, term));
+        await db.SaveChangesAsync();
+
+        var queuedAfterFreshStatistics = await scheduler.EnqueueStaleAsync(
+            100,
+            CancellationToken.None);
+
+        Assert.Equal(0, queuedAfterFreshStatistics);
+        Assert.Single(await db.CourseGradeStatisticsRefreshJobs.ToListAsync());
+    }
+
+    private static GradeSheet PublishedSheet(
+        TeachingTask task,
+        Student student,
+        decimal score)
+    {
+        var sheet = new GradeSheet
+        {
+            TeachingTask = task,
+            Status = GradeSheetStatus.Published,
+            PublishedAt = DateTime.UtcNow
+        };
+        sheet.Records.Add(new GradeRecord
+        {
+            GradeSheet = sheet,
+            Student = student,
+            TotalScore = score,
+            GradePoint = 3m
+        });
+        return sheet;
+    }
+
+    private static TeachingTaskGradeStatistic FreshStatistic(
+        GradeSheet sheet,
+        Course course,
+        AcademicTerm term) => new()
+    {
+        GradeSheetId = sheet.Id,
+        TeachingTaskId = sheet.TeachingTaskId,
+        CourseId = course.Id,
+        AcademicTermId = term.Id,
+        StudentCount = 1,
+        PassedCount = 1,
+        HighestScore = 80m,
+        AverageScore = 80m,
+        MedianScore = 80m,
+        LowestScore = 80m,
+        PassRate = 100m,
+        CalculatedAt = DateTime.UtcNow.AddMinutes(1)
+    };
+}

tests/Jiaowu.Api.Tests/CourseSelectionsControllerTests.cs

@@ -205,6 +205,79 @@ public sealed class CourseSelectionsControllerTests
                 x.Grade == 2026));
     }
 
+    [Fact]
+    public async Task Student_options_include_an_administrator_assigned_offering_outside_the_students_class_scope()
+    {
+        await using var connection = new SqliteConnection("Data Source=:memory:");
+        await connection.OpenAsync();
+        var options = new DbContextOptionsBuilder<AppDbContext>()
+            .UseSqlite(connection)
+            .Options;
+        await using var db = new AppDbContext(options);
+        await db.Database.EnsureCreatedAsync();
+        var data = await SeedFullOfferingAsync(db);
+
+        var originalClass = await db.AdministrativeClasses.SingleAsync();
+        var otherClass = new AdministrativeClass
+        {
+            Code = "CS2026-02",
+            Name = "计科 2026-2 班",
+            MajorId = originalClass.MajorId,
+            Grade = 2026
+        };
+        var taskId = await db.CourseSelectionOfferings
+            .Where(x => x.Id == data.OfferingId)
+            .Select(x => x.TeachingTaskId)
+            .SingleAsync();
+        var task = await db.TeachingTasks
+            .Include(x => x.Classes)
+            .SingleAsync(x => x.Id == taskId);
+        task.Classes.Clear();
+        task.Classes.Add(new TeachingTaskClass { AdministrativeClassId = otherClass.Id });
+        task.SchedulingMode = TeachingTaskSchedulingMode.Standard;
+        var termId = await db.CourseSelectionRounds
+            .Where(x => x.Id == data.RoundId)
+            .Select(x => x.AcademicTermId)
+            .SingleAsync();
+        var plan = new SchedulePlan
+        {
+            AcademicTermId = termId,
+            Name = "正式课表",
+            Version = "V1",
+            Status = SchedulePlanStatus.Published,
+            PublishedAt = DateTime.UtcNow
+        };
+        db.AddRange(otherClass, plan);
+        await db.SaveChangesAsync();
+        db.ScheduleEntries.Add(new ScheduleEntry
+        {
+            SchedulePlanId = plan.Id,
+            TeachingTaskId = task.Id,
+            DayOfWeek = 1,
+            StartPeriod = 1,
+            PeriodCount = 2,
+            StartWeek = 1,
+            EndWeek = 16,
+            WeekPattern = WeekPattern.All
+        });
+        await db.SaveChangesAsync();
+        db.ChangeTracker.Clear();
+
+        var controller = new CourseSelectionsController(
+            db,
+            new StudentDataScope(data.EnrolledUserId));
+        var result = Assert.IsType<OkObjectResult>(await controller.GetStudentOptions(
+            data.RoundId,
+            CancellationToken.None));
+        var offerings = ReadProperty<IEnumerable<StudentOfferingDto>>(
+            result.Value, "Offerings");
+        var assignedOffering = Assert.Single(offerings);
+
+        Assert.Equal(data.OfferingId, assignedOffering.Id);
+        Assert.Equal(CourseEnrollmentStatus.Enrolled, assignedOffering.EnrollmentStatus);
+        Assert.Single(assignedOffering.Schedules);
+    }
+
     private static async Task<SeededSelection> SeedFullOfferingAsync(AppDbContext db)
     {
         var college = new College { Code = "CS", Name = "计算机学院" };
@@ -358,6 +431,14 @@ public sealed class CourseSelectionsControllerTests
         return Assert.IsType<int>(property.GetValue(value));
     }
 
+    private static T ReadProperty<T>(object? value, string propertyName)
+    {
+        Assert.NotNull(value);
+        var property = value.GetType().GetProperty(propertyName);
+        Assert.NotNull(property);
+        return Assert.IsAssignableFrom<T>(property.GetValue(value));
+    }
+
     private static Student CreateStudent(
         string number,
         string name,

tests/Jiaowu.Api.Tests/ExperimentGradesControllerTests.cs

@@ -11,6 +11,160 @@ namespace Jiaowu.Api.Tests;
 
 public sealed class ExperimentGradesControllerTests
 {
+    [Fact]
+    public async Task AssignedTeacher_CanSubmitExperimentGradeSheet()
+    {
+        await using var fixture = await ExperimentGradeFixture.CreateAsync();
+        var project = new ExperimentProject
+        {
+            TeachingTaskId = fixture.Task.Id,
+            Code = "LAB-TEACHER",
+            Name = "教师提交实验",
+            ArrangementMode = ExperimentArrangementMode.Centralized,
+            StartDate = fixture.Term.StartDate,
+            EndDate = fixture.Term.EndDate,
+            Status = ExperimentProjectStatus.Published,
+            PublishedAt = DateTime.UtcNow
+        };
+        fixture.Db.ExperimentProjects.Add(project);
+        await fixture.Db.SaveChangesAsync();
+
+        var admin = fixture.ExperimentGrades(fixture.AdminScope);
+        await admin.CreateSheet(
+            new ExperimentGradeSheetRequest(
+                project.Id,
+                1,
+                60,
+                [new ExperimentGradeItemRequest(
+                    "操作",
+                    ExperimentGradeItemKind.Operation,
+                    100)]),
+            CancellationToken.None);
+        var sheet = await fixture.Db.ExperimentGradeSheets
+            .Include(x => x.Items)
+            .Include(x => x.Records)
+            .ThenInclude(x => x.ItemScores)
+            .SingleAsync();
+        var record = Assert.Single(sheet.Records);
+        var item = Assert.Single(sheet.Items);
+
+        var teacher = fixture.ExperimentGrades(fixture.TeacherScope);
+        Assert.IsType<NoContentResult>(await teacher.UpdateRecords(
+            sheet.Id,
+            new ExperimentGradeRecordsRequest(
+            [
+                new ExperimentGradeRecordRequest(
+                    record.Id,
+                    ExperimentParticipationStatus.Completed,
+                    false,
+                    1,
+                    null,
+                    null,
+                    false,
+                    null,
+                    [new ExperimentGradeItemScoreRequest(item.Id, 85, null)])
+            ]),
+            CancellationToken.None));
+        fixture.Db.ChangeTracker.Clear();
+        Assert.IsType<NoContentResult>(await teacher.Submit(
+            sheet.Id,
+            CancellationToken.None));
+    }
+
+    [Fact]
+    public async Task ManagementList_IsPagedFilteredAndCollegeScoped()
+    {
+        await using var fixture = await ExperimentGradeFixture.CreateAsync();
+        var collegeId = await fixture.Db.Courses
+            .Where(x => x.Id == fixture.Task.CourseId)
+            .Select(x => x.CollegeId)
+            .SingleAsync();
+        for (var index = 1; index <= 12; index++)
+        {
+            fixture.Db.ExperimentProjects.Add(new ExperimentProject
+            {
+                TeachingTaskId = fixture.Task.Id,
+                Code = $"LAB-{index:00}",
+                Name = $"分页实验 {index:00}",
+                ArrangementMode = ExperimentArrangementMode.Centralized,
+                StartDate = fixture.Term.StartDate,
+                EndDate = fixture.Term.EndDate,
+                Status = ExperimentProjectStatus.Published,
+                PublishedAt = DateTime.UtcNow
+            });
+        }
+
+        var otherCollege = new College { Code = "OTHER", Name = "其他学院" };
+        var otherCourse = new Course
+        {
+            CollegeId = otherCollege.Id,
+            Code = "OTHER-LAB",
+            Name = "其他学院实验",
+            Credits = 1,
+            TotalHours = 16,
+            PracticeHours = 16,
+            Nature = CourseNature.Practice,
+            AssessmentMethod = AssessmentMethod.Assessment
+        };
+        var otherTask = new TeachingTask
+        {
+            AcademicTermId = fixture.Term.Id,
+            CourseId = otherCourse.Id,
+            TaskNumber = "OTHER-LAB-01",
+            Name = "其他学院实验班",
+            Capacity = 20,
+            Status = TeachingTaskStatus.Published
+        };
+        var otherProject = new ExperimentProject
+        {
+            TeachingTaskId = otherTask.Id,
+            Code = "FOREIGN-LAB",
+            Name = "不可见实验",
+            ArrangementMode = ExperimentArrangementMode.Centralized,
+            StartDate = fixture.Term.StartDate,
+            EndDate = fixture.Term.EndDate,
+            Status = ExperimentProjectStatus.Published,
+            PublishedAt = DateTime.UtcNow
+        };
+        fixture.Db.AddRange(otherCollege, otherCourse, otherTask, otherProject);
+        await fixture.Db.SaveChangesAsync();
+        fixture.Db.ChangeTracker.Clear();
+
+        var collegeScope = new FixedScope(new CurrentUserScope(
+            Guid.NewGuid(),
+            "学院管理员",
+            collegeId,
+            DataScope.College,
+            new HashSet<string>([SystemRoles.CollegeAdmin])));
+        var controller = fixture.ExperimentGrades(collegeScope);
+        var page = Assert.IsType<OkObjectResult>(await controller.GetManagement(
+            null,
+            null,
+            null,
+            null,
+            1,
+            10,
+            CancellationToken.None));
+        Assert.Equal(12, Property<int>(page.Value, "Total"));
+        Assert.Equal(10, Property<System.Collections.IEnumerable>(
+            page.Value,
+            "Items").Cast<object>().Count());
+
+        var filtered = Assert.IsType<OkObjectResult>(await controller.GetManagement(
+            null,
+            null,
+            null,
+            "LAB-12",
+            1,
+            10,
+            CancellationToken.None));
+        Assert.Equal(1, Property<int>(filtered.Value, "Total"));
+    }
+
+    private static T Property<T>(object? value, string name) =>
+        Assert.IsAssignableFrom<T>(
+            value!.GetType().GetProperty(name)!.GetValue(value));
+
     [Fact]
     public async Task IndependentExperimentGrade_CanPublishAndImportAsCourseSnapshot()
     {
@@ -260,6 +414,7 @@ public sealed class ExperimentGradesControllerTests
             Student student,
             Classroom classroom,
             ICurrentUserDataScope adminScope,
+            ICurrentUserDataScope teacherScope,
             ICurrentUserDataScope studentScope)
         {
             Connection = connection;
@@ -269,6 +424,7 @@ public sealed class ExperimentGradesControllerTests
             Student = student;
             Classroom = classroom;
             AdminScope = adminScope;
+            TeacherScope = teacherScope;
             StudentScope = studentScope;
         }
 
@@ -279,6 +435,7 @@ public sealed class ExperimentGradesControllerTests
         public Student Student { get; }
         public Classroom Classroom { get; }
         public ICurrentUserDataScope AdminScope { get; }
+        public ICurrentUserDataScope TeacherScope { get; }
         public ICurrentUserDataScope StudentScope { get; }
 
         public static async Task<ExperimentGradeFixture> CreateAsync()
@@ -410,6 +567,7 @@ public sealed class ExperimentGradesControllerTests
                 student,
                 classroom,
                 Scope(admin, SystemRoles.SuperAdmin, DataScope.All),
+                Scope(teacherUser, SystemRoles.Teacher, DataScope.Self),
                 Scope(studentUser, SystemRoles.Student, DataScope.Self));
         }
 

tests/Jiaowu.Api.Tests/ExperimentsControllerTests.cs

@@ -37,6 +37,53 @@ public sealed class ExperimentsControllerTests
         });
     }
 
+    [Fact]
+    public async Task CentralizedBatchProjects_CreatesOneProjectForEveryScheduledExperimentLesson()
+    {
+        await using var fixture = await ExperimentFixture.CreateAsync();
+        fixture.Db.ScheduleEntries.Add(new ScheduleEntry
+        {
+            SchedulePlanId = fixture.ScheduleEntry.SchedulePlanId,
+            TeachingTaskId = fixture.Task.Id,
+            Kind = ScheduleEntryKind.Experiment,
+            ClassroomId = fixture.SecondClassroom.Id,
+            DayOfWeek = 3,
+            StartPeriod = 5,
+            PeriodCount = 2,
+            StartWeek = 1,
+            EndWeek = 8,
+            WeekPattern = WeekPattern.All
+        });
+        await fixture.Db.SaveChangesAsync();
+
+        var result = await fixture.Controller(fixture.ManagerScope).CreateProjects(
+            new ExperimentProjectBatchRequest(
+                [fixture.Task.Id],
+                "LAB-ALL",
+                "全部课表实验",
+                ExperimentArrangementMode.Centralized,
+                null,
+                null,
+                fixture.Term.StartDate,
+                fixture.Term.StartDate.AddDays(14)),
+            CancellationToken.None);
+
+        Assert.IsType<CreatedResult>(result);
+        var projects = await fixture.Db.ExperimentProjects
+            .Where(x => x.Code == "LAB-ALL")
+            .OrderBy(x => x.ScheduleEntryId)
+            .ToListAsync();
+        Assert.Equal(16, projects.Count);
+        Assert.All(projects, project =>
+        {
+            Assert.Equal(fixture.Task.Id, project.TeachingTaskId);
+            Assert.Equal(ExperimentArrangementMode.Centralized, project.ArrangementMode);
+            Assert.NotNull(project.ScheduleEntryId);
+        });
+        Assert.Equal(2, projects.Select(x => x.ScheduleEntryId).Distinct().Count());
+        Assert.Equal(8, projects.Select(x => x.ScheduleWeek).Distinct().Count());
+    }
+
     [Fact]
     public async Task BatchSessions_RollsBackAllRowsWhenOneConflicts()
     {

tests/Jiaowu.Api.Tests/ScheduleSettingsControllerTests.cs

@@ -85,13 +85,19 @@ public sealed class ScheduleSettingsControllerTests
                 [classroom.Id],
                 false,
                 null,
-                null),
+                null,
+                UpdateExperimentClassroomScope: true,
+                AllowedExperimentVenueNatures: TeachingVenueNature.Laboratory,
+                AllowedExperimentClassroomIds: [classroom.Id],
+                ExperimentRequiredCampusId: campus.Id,
+                ExperimentRequiredBuildingId: building.Id),
             CancellationToken.None);
 
         Assert.IsType<OkObjectResult>(result);
         db.ChangeTracker.Clear();
         var constraints = await db.TeachingTaskScheduleConstraints
             .Include(item => item.AllowedClassrooms)
+            .Include(item => item.AllowedExperimentClassrooms)
             .OrderBy(item => item.TeachingTaskId)
             .ToListAsync();
         Assert.Equal(2, constraints.Count);
@@ -103,6 +109,11 @@ public sealed class ScheduleSettingsControllerTests
             Assert.Equal(
                 classroom.Id,
                 Assert.Single(constraint.AllowedClassrooms).ClassroomId);
+            Assert.Equal(campus.Id, constraint.ExperimentRequiredCampusId);
+            Assert.Equal(building.Id, constraint.ExperimentRequiredBuildingId);
+            Assert.Equal(
+                classroom.Id,
+                Assert.Single(constraint.AllowedExperimentClassrooms).ClassroomId);
         });
     }
 

tests/Jiaowu.Api.Tests/WarningRulePersistenceTests.cs

@@ -0,0 +1,78 @@
+using System.Collections;
+using Jiaowu.Api.Controllers;
+using Jiaowu.Api.Domain.Academic;
+using Jiaowu.Api.Domain.Identity;
+using Jiaowu.Api.Infrastructure.Auth;
+using Jiaowu.Api.Infrastructure.Persistence;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Data.Sqlite;
+using Microsoft.EntityFrameworkCore;
+
+namespace Jiaowu.Api.Tests;
+
+public sealed class WarningRulePersistenceTests
+{
+    [Fact]
+    public async Task SaveRules_PersistsAutoCheck_AndReturnsNumericType()
+    {
+        await using var connection = new SqliteConnection("Data Source=:memory:");
+        await connection.OpenAsync();
+        var options = new DbContextOptionsBuilder<AppDbContext>()
+            .UseSqlite(connection)
+            .Options;
+        await using var db = new AppDbContext(options);
+        await db.Database.EnsureCreatedAsync();
+        var term = new AcademicTerm
+        {
+            Code = "WARN-TERM",
+            Name = "预警测试学期",
+            AcademicYear = "2026-2027",
+            Season = TermSeason.Autumn,
+            StartDate = new DateOnly(2026, 9, 1),
+            EndDate = new DateOnly(2027, 1, 15)
+        };
+        db.AcademicTerms.Add(term);
+        await db.SaveChangesAsync();
+        var controller = new WarningsController(db, new AllDataScope());
+
+        var saveResult = await controller.SaveRules(term.Id,
+        [
+            new WarningRuleDto(
+                WarningType.FailedCredits,
+                "不及格学分",
+                2m,
+                true,
+                true,
+                true,
+                null,
+                true,
+                1,
+                9,
+                30)
+        ], CancellationToken.None);
+
+        Assert.IsType<NoContentResult>(saveResult);
+        db.ChangeTracker.Clear();
+        var persisted = Assert.Single(await db.WarningRules.AsNoTracking().ToListAsync());
+        Assert.True(persisted.AutoCheckEnabled);
+        Assert.Equal(1, persisted.CheckDayOfWeek);
+        Assert.Equal(9, persisted.CheckHour);
+        Assert.Equal(30, persisted.CheckMinute);
+
+        var getResult = await controller.GetRules(term.Id, CancellationToken.None);
+        var ok = Assert.IsType<OkObjectResult>(getResult);
+        var row = Assert.Single(Assert.IsAssignableFrom<IEnumerable>(ok.Value).Cast<object>());
+        var type = row.GetType().GetProperty("Type")?.GetValue(row);
+        Assert.Equal(1, Assert.IsType<int>(type));
+    }
+
+    private sealed class AllDataScope : ICurrentUserDataScope
+    {
+        public CurrentUserScope Current { get; } = new(
+            Guid.NewGuid(),
+            "测试管理员",
+            null,
+            DataScope.All,
+            new HashSet<string>([SystemRoles.SuperAdmin]));
+    }
+}

versions.props

@@ -1,7 +1,7 @@
 <Project>
   <PropertyGroup>
-    <JiaowuBackendVersion>2.3.2-beta.2</JiaowuBackendVersion>
+    <JiaowuBackendVersion>2.3.2-beta.5</JiaowuBackendVersion>
-    <JiaowuFrontendVersion>2.3.2-beta.2</JiaowuFrontendVersion>
+    <JiaowuFrontendVersion>2.3.2-beta.5</JiaowuFrontendVersion>
-    <JiaowuSwaggerVersion>2.3.2-beta.2</JiaowuSwaggerVersion>
+    <JiaowuSwaggerVersion>2.3.2-beta.5</JiaowuSwaggerVersion>
   </PropertyGroup>
 </Project>

web/src/style.css

@@ -343,6 +343,30 @@ button { cursor: pointer; }
 .form-grid.compact { align-items: center; }
 .form-grid.three { grid-template-columns: repeat(3, 1fr); }
 .visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
+
+/* 由遮罩层 flex 居中；MessageBox 默认的全屏 fixed 包装层会脱离该布局。 */
+.el-overlay.is-message-box {
+  display: flex !important;
+  align-items: center;
+  justify-content: center;
+  padding: 16px;
+}
+.el-overlay.is-message-box .el-overlay-message-box {
+  position: static !important;
+  display: block !important;
+  width: min(420px, calc(100vw - 32px));
+  min-height: 0 !important;
+  margin: 0 !important;
+  padding: 0 !important;
+}
+.el-overlay.is-message-box .el-overlay-message-box::after { display: none !important; }
+.el-overlay.is-message-box .el-message-box {
+  width: 100%;
+  margin: 0 !important;
+  color: var(--ink);
+  background: #fff !important;
+  box-shadow: 0 18px 48px rgba(18, 37, 63, .28);
+}
 .password-reset-form { margin-top: 18px; }
 
 .registry-switch { display: grid; grid-template-columns: 1fr 1fr 180px; min-height: 112px; border: 1px solid var(--line); background: white; }
@@ -431,6 +455,10 @@ button { cursor: pointer; }
 .module-toolbar b, .module-toolbar span { display: block; }
 .module-toolbar b { font-size: 15px; }
 .module-toolbar span { margin-top: 4px; color: var(--muted); font-size: 10px; }
+.curriculum-view-actions { display: flex; align-items: center; gap: 10px; }
+.curriculum-view-actions .el-button + .el-button { margin-left: 0; }
+.page-intro-actions { display: flex; flex-wrap: wrap; gap: 8px; }
+.page-intro-actions .el-button + .el-button { margin-left: 0; }
 .curriculum-module { margin-top: 12px; border: 1px solid var(--line); }
 .curriculum-module > header { min-height: 72px; padding: 13px 16px; display: flex; align-items: center; gap: 18px; background: #f8fafb; border-bottom: 1px solid var(--line); }
 .curriculum-module > header > div:first-child { min-width: 160px; }
@@ -439,6 +467,34 @@ button { cursor: pointer; }
 .curriculum-module > header p { margin: 0 auto 0 0; color: var(--muted); font-size: 11px; }
 .curriculum-module > header > div:last-child { display: flex; align-items: center; white-space: nowrap; }
 .curriculum-course-table { min-height: 80px; }
+.semester-view { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
+.semester-card { min-width: 0; border: 1px solid var(--line); background: #fff; }
+.semester-card > header { min-height: 70px; padding: 14px 16px; display: flex; align-items: center; justify-content: space-between; background: linear-gradient(135deg, #f4faf9, #f8fafb); border-bottom: 1px solid var(--line); }
+.semester-card > header span { color: var(--teal); font: 700 9px/1 Consolas, monospace; letter-spacing: .12em; }
+.semester-card h4 { margin: 7px 0 0; font-size: 15px; }
+.semester-card > header > b { color: #1d6b68; font: 700 18px/1 Consolas, monospace; }
+.semester-summary { display: flex; gap: 14px; padding: 9px 16px; color: var(--muted); font-size: 11px; border-bottom: 1px solid var(--line); }
+.semester-summary span + span { padding-left: 14px; border-left: 1px solid var(--line); }
+.semester-courses { margin: 0; padding: 0; list-style: none; }
+.semester-courses li { min-height: 68px; padding: 11px 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px; border-bottom: 1px solid #edf0f2; }
+.semester-courses li:last-child { border-bottom: none; }
+.semester-courses li > div { min-width: 0; display: grid; gap: 3px; }
+.semester-courses li span { color: var(--teal); font-size: 10px; }
+.semester-courses li b { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; }
+.semester-courses li small { color: var(--muted); font-size: 10px; }
+.semester-courses li > strong { flex: none; font: 700 15px/1 Consolas, monospace; }
+.semester-courses li > strong small { margin-left: 3px; font: 400 9px/1 inherit; }
+.semester-empty { margin: 0; padding: 25px 16px; color: var(--muted); font-size: 11px; text-align: center; }
+.course-group-manager { min-height: 420px; display: grid; grid-template-columns: 230px minmax(0, 1fr); border: 1px solid var(--line); }
+.course-group-manager > aside { padding: 12px; display: grid; align-content: start; gap: 6px; border-right: 1px solid var(--line); background: #fafbfc; }
+.course-group-manager > aside > button:not(.el-button) { padding: 11px; display: grid; gap: 4px; text-align: left; border: 1px solid transparent; background: transparent; }
+.course-group-manager > aside > button.active { border-color: #b8d9d5; background: #edf8f6; }
+.course-group-manager > aside span { color: var(--teal); font: 700 9px/1 Consolas, monospace; }
+.course-group-manager > aside b { font-size: 13px; }
+.course-group-manager > aside small { color: var(--muted); font-size: 10px; }
+.course-group-manager > main { min-width: 0; padding: 16px; }
+.course-group-actions { margin: 0 0 18px; }
+.course-group-add { margin: 18px 0 10px; display: grid; grid-template-columns: auto minmax(200px, 1fr) auto; align-items: center; gap: 10px; }
 .task-summary { min-height: 82px; padding: 15px 22px; display: flex; align-items: center; gap: 28px; color: white; background: linear-gradient(108deg, #17295a, #263f80); }
 .task-summary > div { min-width: 170px; display: flex; align-items: baseline; gap: 8px; }
 .task-summary span, .task-summary small { color: #b8c1de; font-size: 10px; }
@@ -512,6 +568,8 @@ button { cursor: pointer; }
 .constraint-batch-form { margin-top: 16px; display: grid; gap: 10px; }
 .constraint-batch-form > .el-checkbox { padding: 8px 10px; background: #f7f9fb; border-left: 3px solid #ccd8e1; }
 .batch-classroom-scope { padding: 12px 14px 2px; display: grid; gap: 12px; border: 1px solid #d8e2e8; background: #fbfcfd; }
+.experiment-classroom-scope { margin-bottom: 18px; padding: 12px 14px 2px; border: 1px solid #d8e2e8; background: #fbfcfd; }
+.experiment-classroom-scope__title { margin-bottom: 12px; color: #34435e; font-size: 13px; font-weight: 650; }
 .constraint-list article { min-width: 0; padding: 13px 15px; display: grid; grid-template-columns: minmax(230px, 1fr) minmax(170px, auto) auto; align-items: center; gap: 14px; border: 1px solid var(--line); background: #fff; }
 .constraint-list article > div:first-child { min-width: 0; display: grid; gap: 4px; }
 .constraint-list article span { color: var(--teal); font: 700 9px/1.2 Consolas, monospace; }
@@ -1278,6 +1336,12 @@ button { cursor: pointer; }
   .plan-metrics > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
   .curriculum-module > header { align-items: flex-start; flex-wrap: wrap; }
   .curriculum-module > header p { order: 3; width: 100%; }
+  .module-toolbar { align-items: flex-start; flex-direction: column; gap: 12px; }
+  .curriculum-view-actions { width: 100%; justify-content: space-between; }
+  .semester-view { grid-template-columns: 1fr; }
+  .course-group-manager { grid-template-columns: 1fr; }
+  .course-group-manager > aside { max-height: 220px; overflow-y: auto; border-right: none; border-bottom: 1px solid var(--line); }
+  .course-group-add { grid-template-columns: 1fr; align-items: stretch; }
   .task-summary { align-items: flex-start; flex-direction: column; gap: 12px; }
   .task-summary > div { width: 100%; }
   .task-summary p { padding: 12px 0 0; border-left: none; border-top: 1px solid rgba(255,255,255,.16); line-height: 1.6; }

web/src/views/CurriculumView.vue

@@ -1,6 +1,6 @@
 <script setup lang="ts">
 import { computed, onMounted, reactive, ref } from 'vue'
-import { CopyDocument, Plus, Promotion, Refresh, Search } from '@element-plus/icons-vue'
+import { Collection, CopyDocument, Plus, Promotion, Refresh, Search } from '@element-plus/icons-vue'
 import http, { apiErrorMessage } from '../api/http'
 import { useAuthStore } from '../stores/auth'
 
@@ -14,15 +14,20 @@ const colleges = ref<any[]>([])
 const majors = ref<any[]>([])
 const grades = ref<number[]>([])
 const courses = ref<any[]>([])
+const courseGroups = ref<any[]>([])
 const planDialog = ref(false)
 const moduleDialog = ref(false)
 const courseDialog = ref(false)
 const cloneDialog = ref(false)
+const courseGroupDialog = ref(false)
+const courseGroupImportDialog = ref(false)
+const detailView = ref<'structure' | 'semester'>('structure')
 const editingPlanId = ref('')
 const editingPlanStatus = ref('')
 const editingModuleId = ref('')
 const editingCourseId = ref('')
 const activeModuleId = ref('')
+const activeCourseGroupId = ref('')
 const query = reactive({
   page: 1,
   pageSize: 20,
@@ -36,6 +41,9 @@ const planForm = reactive<Record<string, any>>({})
 const moduleForm = reactive<Record<string, any>>({})
 const courseForm = reactive<Record<string, any>>({})
 const cloneForm = reactive<Record<string, any>>({})
+const courseGroupForm = reactive<Record<string, any>>({})
+const courseGroupCourseForm = reactive<Record<string, any>>({})
+const courseGroupImportForm = reactive<Record<string, any>>({})
 
 const statusLabels: Record<string, string> = {
   Draft: '草稿',
@@ -47,6 +55,9 @@ const courseTypeLabels: Record<string, string> = {
   Elective: '组内选修',
 }
 const isCollegeAdmin = computed(() => auth.user?.roles.includes('CollegeAdmin') ?? false)
+const canManageCourseGroups = computed(() =>
+  auth.user?.roles.some((role) => role === 'SuperAdmin' || role === 'AcademicAdmin') ?? false,
+)
 const availableMajors = computed(() => majors.value)
 const filteredMajors = computed(() =>
   query.collegeId
@@ -68,12 +79,46 @@ const isDraft = computed(() => selected.value?.status === 'Draft')
 const isPublished = computed(() => selected.value?.status === 'Published')
 const canEdit = computed(() => isDraft.value || isPublished.value)
 const isEditingPublished = computed(() => editingPlanStatus.value === 'Published')
+const activeCourseGroup = computed(() =>
+  courseGroups.value.find((group) => group.id === activeCourseGroupId.value) ?? null,
+)
+const importingCourseGroup = computed(() =>
+  courseGroups.value.find((group) => group.id === courseGroupImportForm.courseGroupId) ?? null,
+)
 const configuredCredits = computed(() =>
   selected.value?.modules.reduce(
     (sum: number, module: any) => sum + Number(module.requiredCredits),
     0,
   ) ?? 0,
 )
+const semesterGroups = computed(() => {
+  if (!selected.value) return []
+
+  const courses = selected.value.modules.flatMap((module: any) =>
+    module.courses.map((course: any) => ({
+      ...course,
+      moduleCode: module.code,
+      moduleName: module.name,
+    })),
+  )
+  const semesterCount = Number(selected.value.schoolingYears) * 2
+
+  return Array.from({ length: semesterCount }, (_, index) => {
+    const semester = index + 1
+    const items = courses
+      .filter((course: any) => Number(course.recommendedSemester) === semester)
+      .sort((first: any, second: any) =>
+        first.moduleCode.localeCompare(second.moduleCode) ||
+        first.courseCode.localeCompare(second.courseCode),
+      )
+    return {
+      semester,
+      courses: items,
+      credits: items.reduce((sum: number, course: any) => sum + Number(course.credits), 0),
+      totalHours: items.reduce((sum: number, course: any) => sum + Number(course.totalHours), 0),
+    }
+  })
+})
 
 async function loadPlans(keepSelection = true) {
   loading.value = true
@@ -112,6 +157,97 @@ async function loadDetail(id: string) {
   }
 }
 
+async function loadCourseGroups() {
+  try {
+    courseGroups.value = (await http.get('/course-groups')).data
+  } catch (error) {
+    ElMessage.error(apiErrorMessage(error))
+  }
+}
+
+function openCourseGroups() {
+  courseGroupDialog.value = true
+  openCourseGroup(activeCourseGroupId.value || undefined)
+}
+
+function openCourseGroup(id?: string) {
+  activeCourseGroupId.value = id ?? ''
+  const group = courseGroups.value.find((item) => item.id === id)
+  Object.assign(courseGroupForm, {
+    code: group?.code ?? '', name: group?.name ?? '', description: group?.description ?? '',
+  })
+  courseGroupCourseForm.courseId = undefined
+}
+
+async function saveCourseGroup() {
+  if (!courseGroupForm.code?.trim() || !courseGroupForm.name?.trim()) {
+    ElMessage.warning('请填写课程组编码和名称。')
+    return
+  }
+  try {
+    if (activeCourseGroupId.value) {
+      await http.put(`/course-groups/${activeCourseGroupId.value}`, courseGroupForm)
+    } else {
+      const { data } = await http.post('/course-groups', courseGroupForm)
+      activeCourseGroupId.value = data.id
+    }
+    await loadCourseGroups()
+    openCourseGroup(activeCourseGroupId.value)
+    ElMessage.success('课程组已保存')
+  } catch (error) { ElMessage.error(apiErrorMessage(error)) }
+}
+
+async function deleteCourseGroup() {
+  if (!activeCourseGroup.value) return
+  try {
+    await ElMessageBox.confirm(`确定删除课程组“${activeCourseGroup.value.name}”吗？`, '删除课程组', { type: 'warning' })
+    await http.delete(`/course-groups/${activeCourseGroupId.value}`)
+    await loadCourseGroups()
+    openCourseGroup()
+  } catch (error: any) {
+    if (error !== 'cancel' && error !== 'close') ElMessage.error(apiErrorMessage(error))
+  }
+}
+
+async function addCourseToGroup() {
+  if (!activeCourseGroupId.value || !courseGroupCourseForm.courseId) return
+  try {
+    await http.post(`/course-groups/${activeCourseGroupId.value}/courses`, courseGroupCourseForm)
+    await loadCourseGroups()
+    openCourseGroup(activeCourseGroupId.value)
+  } catch (error) { ElMessage.error(apiErrorMessage(error)) }
+}
+
+async function removeCourseFromGroup(courseId: string) {
+  try {
+    await http.delete(`/course-groups/${activeCourseGroupId.value}/courses/${courseId}`)
+    await loadCourseGroups()
+    openCourseGroup(activeCourseGroupId.value)
+  } catch (error) { ElMessage.error(apiErrorMessage(error)) }
+}
+
+function openCourseGroupImport(moduleId: string) {
+  activeModuleId.value = moduleId
+  Object.assign(courseGroupImportForm, {
+    courseGroupId: courseGroups.value[0]?.id, recommendedSemester: 1, type: 'Elective', notes: '',
+  })
+  courseGroupImportDialog.value = true
+}
+
+async function importCourseGroup() {
+  if (!courseGroupImportForm.courseGroupId) {
+    ElMessage.warning('请选择课程组。')
+    return
+  }
+  if (!await confirmPublishedChange('课程组导入')) return
+  try {
+    await http.post(`/curriculum-plans/${selected.value.id}/modules/${activeModuleId.value}/course-groups/${courseGroupImportForm.courseGroupId}`, courseGroupImportForm)
+    courseGroupImportDialog.value = false
+    await loadDetail(selected.value.id)
+    ElMessage.success('课程组已导入，可按本方案需要继续逐门调整。')
+  } catch (error) { ElMessage.error(apiErrorMessage(error)) }
+}
+
 function resetFilters() {
   Object.assign(query, {
     page: 1,
@@ -327,6 +463,7 @@ onMounted(async () => {
   const [optionRes, courseRes] = await Promise.all([
     http.get('/curriculum-plans/filter-options'),
     http.get('/courses/options'),
+    loadCourseGroups(),
   ])
   colleges.value = optionRes.data.colleges
   majors.value = optionRes.data.majors
@@ -347,7 +484,10 @@ onMounted(async () => {
         <h2>培养方案</h2>
         <p>由学院按专业和入学年级维护课程结构；已发布方案可受控调整，修改结果即时生效。</p>
       </div>
-      <el-button type="primary" :icon="Plus" @click="openPlan()">新建方案</el-button>
+      <div class="page-intro-actions">
+        <el-button v-if="canManageCourseGroups" :icon="Collection" @click="openCourseGroups">课程组</el-button>
+        <el-button type="primary" :icon="Plus" @click="openPlan()">新建方案</el-button>
+      </div>
     </section>
 
     <section class="maintenance-scope" aria-label="培养方案维护范围">
@@ -426,7 +566,7 @@ onMounted(async () => {
             </div>
             <div class="plan-actions">
               <el-button v-if="canEdit" @click="openPlan(selected)">编辑</el-button>
-              <el-button :icon="CopyDocument" @click="openClone">复制版本</el-button>
+              <el-button :icon="CopyDocument" @click="openClone">修订并创建草稿</el-button>
               <el-button v-if="isDraft" type="success" :icon="Promotion" @click="publishPlan">发布</el-button>
               <el-button v-if="isDraft" type="danger" plain @click="deletePlan">删除</el-button>
             </div>
@@ -450,12 +590,21 @@ onMounted(async () => {
 
           <div class="module-toolbar">
             <div>
-              <b>课程结构</b>
+              <b>{{ detailView === 'structure' ? '课程结构' : '学期视图' }}</b>
-              <span>指定必修须逐门通过；英语、体育等多选课程用“组内选修”，修满模块最低学分即可</span>
+              <span>{{ detailView === 'structure'
+                ? '指定必修须逐门通过；英语、体育等多选课程用“组内选修”，修满模块最低学分即可'
+                : '按建议修读学期展示课程安排，包含每学期的课程数量、学分和学时。' }}</span>
+            </div>
+            <div class="curriculum-view-actions">
+              <el-radio-group v-model="detailView" size="small" aria-label="培养方案展示方式">
+                <el-radio-button value="structure">课程结构</el-radio-button>
+                <el-radio-button value="semester">学期视图</el-radio-button>
+              </el-radio-group>
+              <el-button v-if="canEdit && detailView === 'structure'" :icon="Plus" @click="openModule()">新增模块</el-button>
             </div>
-            <el-button v-if="canEdit" :icon="Plus" @click="openModule()">新增模块</el-button>
           </div>
 
+          <template v-if="detailView === 'structure'">
           <section v-for="module in selected.modules" :key="module.id" class="curriculum-module">
             <header>
               <div>
@@ -471,6 +620,7 @@ onMounted(async () => {
               <div v-if="canEdit">
                 <el-button link type="primary" @click="openModule(module)">编辑</el-button>
                 <el-button link type="danger" @click="deleteModule(module)">删除</el-button>
+                <el-button size="small" @click="openCourseGroupImport(module.id)">从课程组添加</el-button>
                 <el-button size="small" :icon="Plus" @click="openCourse(module.id)">添加课程</el-button>
               </div>
             </header>
@@ -500,6 +650,34 @@ onMounted(async () => {
             </el-table>
           </section>
           <el-empty v-if="selected.modules.length === 0" description="先建立课程模块，再添加课程" />
+          </template>
+
+          <section v-else class="semester-view" aria-label="课程学期安排">
+            <article v-for="group in semesterGroups" :key="group.semester" class="semester-card">
+              <header>
+                <div>
+                  <span>SEMESTER {{ String(group.semester).padStart(2, '0') }}</span>
+                  <h4>第 {{ group.semester }} 学期</h4>
+                </div>
+                <b>{{ group.courses.length }} 门</b>
+              </header>
+              <div class="semester-summary">
+                <span>{{ group.credits }} 学分</span>
+                <span>{{ group.totalHours }} 学时</span>
+              </div>
+              <ul v-if="group.courses.length" class="semester-courses">
+                <li v-for="course in group.courses" :key="course.id">
+                  <div>
+                    <span>{{ course.moduleName }}</span>
+                    <b>{{ course.courseName }}</b>
+                    <small>{{ course.courseCode }} · {{ courseTypeLabels[course.type] }}</small>
+                  </div>
+                  <strong>{{ course.credits }}<small>学分</small></strong>
+                </li>
+              </ul>
+              <p v-else class="semester-empty">本学期暂未安排课程</p>
+            </article>
+          </section>
         </template>
       </main>
     </div>
@@ -527,7 +705,8 @@ onMounted(async () => {
       <template #footer><el-button @click="planDialog = false">取消</el-button><el-button type="primary" @click="savePlan">保存</el-button></template>
     </el-dialog>
 
-    <el-dialog v-model="cloneDialog" title="复制为新版本" width="520px">
+    <el-dialog v-model="cloneDialog" title="修订培养方案并创建草稿" width="520px">
+      <p class="form-help">将完整复制当前方案为独立草稿；修订后的课程、模块和课程组导入内容均可单独调整，不影响原版本。</p>
       <el-form label-position="top">
         <el-form-item label="方案名称" required><el-input v-model="cloneForm.name" /></el-form-item>
         <div class="form-grid">
@@ -535,7 +714,7 @@ onMounted(async () => {
           <el-form-item label="适用入学年级" required><el-input-number v-model="cloneForm.effectiveGrade" :min="2000" :max="2200" /></el-form-item>
         </div>
       </el-form>
-      <template #footer><el-button @click="cloneDialog = false">取消</el-button><el-button type="primary" @click="clonePlan">复制</el-button></template>
+      <template #footer><el-button @click="cloneDialog = false">取消</el-button><el-button type="primary" @click="clonePlan">创建修订草稿</el-button></template>
     </el-dialog>
 
     <el-dialog v-model="moduleDialog" :title="editingModuleId ? '编辑课程模块' : '新增课程模块'" width="520px">
@@ -572,5 +751,55 @@ onMounted(async () => {
       </el-form>
       <template #footer><el-button @click="courseDialog = false">取消</el-button><el-button type="primary" @click="saveCourse">保存</el-button></template>
     </el-dialog>
+
+    <el-dialog v-model="courseGroupImportDialog" title="从课程组添加课程" width="560px">
+      <el-alert type="info" :closable="false" show-icon title="导入后课程会复制到当前方案，可逐门修改建议学期、修读规则和备注，不影响公共课程组。" />
+      <el-form label-position="top">
+        <el-form-item label="课程组" required>
+          <el-select v-model="courseGroupImportForm.courseGroupId" filterable>
+            <el-option v-for="group in courseGroups" :key="group.id" :label="`${group.code} · ${group.name}（${group.courseCount} 门）`" :value="group.id" />
+          </el-select>
+        </el-form-item>
+        <p v-if="importingCourseGroup" class="form-help">将导入：{{ importingCourseGroup.courses.map((course: any) => course.courseName).join('、') }}</p>
+        <div class="form-grid">
+          <el-form-item label="修读规则"><el-select v-model="courseGroupImportForm.type"><el-option v-for="(label, value) in courseTypeLabels" :key="value" :label="label" :value="value" /></el-select></el-form-item>
+          <el-form-item label="建议学期"><el-input-number v-model="courseGroupImportForm.recommendedSemester" :min="1" :max="selected?.schoolingYears * 2" /></el-form-item>
+        </div>
+        <el-form-item label="统一备注"><el-input v-model="courseGroupImportForm.notes" type="textarea" :rows="2" /></el-form-item>
+      </el-form>
+      <template #footer><el-button @click="courseGroupImportDialog = false">取消</el-button><el-button type="primary" @click="importCourseGroup">导入课程组</el-button></template>
+    </el-dialog>
+
+    <el-dialog v-model="courseGroupDialog" title="公共课程组" width="920px">
+      <div class="course-group-manager">
+        <aside>
+          <el-button type="primary" :icon="Plus" @click="openCourseGroup()">新建课程组</el-button>
+          <button v-for="group in courseGroups" :key="group.id" type="button" :class="{ active: activeCourseGroupId === group.id }" @click="openCourseGroup(group.id)">
+            <span>{{ group.code }}</span><b>{{ group.name }}</b><small>{{ group.courseCount }} 门课程</small>
+          </button>
+        </aside>
+        <main>
+          <el-form label-position="top">
+            <div class="form-grid">
+              <el-form-item label="课程组编码" required><el-input v-model="courseGroupForm.code" /></el-form-item>
+              <el-form-item label="课程组名称" required><el-input v-model="courseGroupForm.name" /></el-form-item>
+            </div>
+            <el-form-item label="说明"><el-input v-model="courseGroupForm.description" type="textarea" :rows="2" /></el-form-item>
+          </el-form>
+          <div class="course-group-actions"><el-button type="primary" @click="saveCourseGroup">保存课程组</el-button><el-button v-if="activeCourseGroup" type="danger" plain @click="deleteCourseGroup">删除</el-button></div>
+          <div v-if="activeCourseGroup" class="course-group-add">
+            <b>组内课程</b>
+            <el-select v-model="courseGroupCourseForm.courseId" filterable placeholder="选择课程加入课程组"><el-option v-for="course in courses" :key="course.id" :label="`${course.code} · ${course.name}`" :value="course.id" /></el-select>
+            <el-button type="primary" @click="addCourseToGroup">加入</el-button>
+          </div>
+          <el-table v-if="activeCourseGroup" :data="activeCourseGroup.courses">
+            <el-table-column prop="courseCode" label="课程编码" width="120" />
+            <el-table-column prop="courseName" label="课程名称" />
+            <el-table-column prop="credits" label="学分" width="80" />
+            <el-table-column label="操作" width="80"><template #default="{ row }"><el-button link type="danger" @click="removeCourseFromGroup(row.courseId)">移除</el-button></template></el-table-column>
+          </el-table>
+        </main>
+      </div>
+    </el-dialog>
   </div>
 </template>

web/src/views/ExperimentGradesView.vue

@@ -19,12 +19,21 @@ import {
 
 const auth = useAuthStore()
 const isStudent = computed(() => auth.user?.roles.includes('Student') ?? false)
+const canViewAllColleges = computed(() =>
+  auth.user?.roles.some((role) => ['SuperAdmin', 'AcademicAdmin'].includes(role)) ?? false,
+)
 const loading = ref(false)
 const detailLoading = ref(false)
 const saving = ref(false)
 const terms = ref<any[]>([])
+const colleges = ref<any[]>([])
 const termId = ref('')
 const statusFilter = ref('')
+const collegeId = ref('')
+const projectKeyword = ref('')
+const projectPage = ref(1)
+const projectPageSize = ref(20)
+const projectTotal = ref(0)
 const projects = ref<any[]>([])
 const studentResults = ref<any[]>([])
 const detailDrawer = ref(false)
@@ -177,12 +186,20 @@ async function load() {
     if (isStudent.value) {
       studentResults.value = (await http.get('/experiment-grades/mine')).data
     } else {
-      projects.value = (await http.get('/experiment-grades/management', {
+      const data = (await http.get('/experiment-grades/management', {
         params: {
           academicTermId: termId.value || undefined,
           status: statusFilter.value || undefined,
+          collegeId: collegeId.value || undefined,
+          keyword: projectKeyword.value.trim() || undefined,
+          page: projectPage.value,
+          pageSize: projectPageSize.value,
         },
       })).data
+      projects.value = data.items
+      projectTotal.value = data.total
+      projectPage.value = data.page
+      projectPageSize.value = data.pageSize
     }
   } catch (error) {
     ElMessage.error(apiErrorMessage(error))
@@ -367,7 +384,11 @@ function scoreTone(result: any) {
 onMounted(async () => {
   if (!isStudent.value) {
     try {
-      terms.value = (await http.get('/base-data/terms')).data
+      const requests: Promise<any>[] = [http.get('/base-data/terms')]
+      if (canViewAllColleges.value) requests.push(http.get('/base-data/colleges'))
+      const [termResponse, collegeResponse] = await Promise.all(requests)
+      terms.value = termResponse.data
+      colleges.value = collegeResponse?.data ?? []
       termId.value = defaultAcademicTermId(terms.value) ?? ''
     } catch (error) {
       ElMessage.error(apiErrorMessage(error))
@@ -438,7 +459,7 @@ onMounted(async () => {
 
     <template v-else>
       <section class="grade-toolbar">
-        <el-select v-model="termId" clearable placeholder="全部学期" @change="load">
+        <el-select v-model="termId" clearable placeholder="全部学期" @change="projectPage = 1; load()">
           <el-option
             v-for="term in terms"
             :key="term.id"
@@ -447,10 +468,27 @@ onMounted(async () => {
             :class="academicTermOptionClass(term)"
           />
         </el-select>
-        <el-select v-model="statusFilter" clearable placeholder="全部成绩状态" @change="load">
+        <el-select v-model="statusFilter" clearable placeholder="全部成绩状态" @change="projectPage = 1; load()">
           <el-option v-for="(label, value) in statusLabels" :key="value" :label="label" :value="value" />
         </el-select>
-        <span>每个实验项目独立建单；课程只读取已发布的汇总快照。</span>
+        <el-select
+          v-if="canViewAllColleges"
+          v-model="collegeId"
+          clearable
+          filterable
+          placeholder="全部开课学院"
+          @change="projectPage = 1; load()"
+        >
+          <el-option v-for="college in colleges" :key="college.id" :label="college.name" :value="college.id" />
+        </el-select>
+        <el-input
+          v-model="projectKeyword"
+          clearable
+          placeholder="项目、课程、教学班或教师"
+          @keyup.enter="projectPage = 1; load()"
+          @clear="projectPage = 1; load()"
+        />
+        <el-button type="primary" @click="projectPage = 1; load()">查询</el-button>
       </section>
 
       <section v-loading="loading" class="grade-project-list">
@@ -488,6 +526,15 @@ onMounted(async () => {
         </article>
         <el-empty v-if="!loading && !projects.length" description="当前筛选条件下没有可评分实验项目" />
       </section>
+      <el-pagination
+        v-model:current-page="projectPage"
+        v-model:page-size="projectPageSize"
+        :total="projectTotal"
+        :page-sizes="[10, 20, 50]"
+        layout="total, sizes, prev, pager, next"
+        @current-change="load"
+        @size-change="projectPage = 1; load()"
+      />
     </template>
 
     <el-dialog
@@ -724,6 +771,7 @@ onMounted(async () => {
 .assessment-flow > i { display: grid; place-items: center; color: #8aa0aa; font-style: normal; background: #f4f7f8; }
 .grade-toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
 .grade-toolbar .el-select { width: 220px; }
+.grade-toolbar .el-input { width: min(320px, 100%); }
 .grade-toolbar > span { margin-left: auto; color: var(--muted); font-size: 12px; }
 .grade-project-list { display: grid; gap: 12px; min-height: 180px; }
 .grade-project-card { min-width: 0; padding: 16px 18px; display: grid; grid-template-columns: 130px minmax(220px, 1.4fr) minmax(220px, 1fr) auto; align-items: center; gap: 18px; border: 1px solid #d9e4e8; border-left: 5px solid var(--grade-blue); background: #fff; box-shadow: 0 6px 18px rgb(30 68 86 / 5%); }
@@ -812,7 +860,7 @@ onMounted(async () => {
   .assessment-flow { grid-template-columns: 1fr; }
   .assessment-flow > i { display: none; }
   .grade-toolbar { align-items: stretch; flex-direction: column; }
-  .grade-toolbar .el-select { width: 100%; }
+  .grade-toolbar .el-select, .grade-toolbar .el-input { width: 100%; }
   .grade-toolbar > span { margin-left: 0; }
   .grade-project-card { grid-template-columns: 1fr; }
   .sheet-progress, .sheet-empty, .grade-project-card > .el-button { grid-column: 1; grid-row: auto; width: 100%; }

web/src/views/ExperimentsView.vue

@@ -16,14 +16,24 @@ const loading = ref(false)
 const terms = ref<any[]>([])
 const termId = ref('')
 const projects = ref<any[]>([])
+const total = ref(0)
+const page = ref(1)
+const pageSize = ref(20)
+const selectedProjectIds = ref<string[]>([])
 const options = reactive({
   tasks: [] as any[],
+  colleges: [] as any[],
   scheduleEntries: [] as any[],
   classrooms: [] as any[],
   periods: [] as any[],
 })
 const modeFilter = ref('')
 const statusFilter = ref('')
+const offeringCollegeId = ref('')
+const courseKeyword = ref('')
+const classKeyword = ref('')
+const teacherKeyword = ref('')
+const taskKeyword = ref('')
 
 const projectDialog = ref(false)
 const editingProjectId = ref('')
@@ -68,6 +78,51 @@ const batchProjectOptions = computed(() =>
   projects.value.filter((project) =>
     project.status !== 'Closed' && project.arrangementMode === 'SelfScheduled'),
 )
+const taskGroups = computed(() => {
+  const groups = new Map<string, any>()
+  options.tasks.forEach((task) => {
+    const key = `${task.academicTermId}-${task.courseId}`
+    const group = groups.get(key) ?? {
+      key,
+      termName: task.termName,
+      courseCode: task.courseCode,
+      courseName: task.courseName,
+      tasks: [],
+    }
+    group.tasks.push(task)
+    groups.set(key, group)
+  })
+  return [...groups.values()]
+})
+const projectGroups = computed(() => {
+  const groups = new Map<string, any>()
+  projects.value.forEach((project) => {
+    const classKey = [...(project.classNames ?? [])].sort().join('|')
+    const key = `${project.academicTermId}-${project.courseCode}-${classKey}`
+    const group = groups.get(key) ?? {
+      key,
+      termName: project.termName,
+      courseCode: project.courseCode,
+      courseName: project.courseName,
+      classNames: project.classNames,
+      teacherNames: project.teacherNames,
+      taskNumbers: [],
+      projects: [],
+    }
+    if (!group.taskNumbers.includes(project.taskNumber)) group.taskNumbers.push(project.taskNumber)
+    group.projects.push(project)
+    groups.set(key, group)
+  })
+  return [...groups.values()]
+})
+const draftSelectedProjectIds = computed(() =>
+  selectedProjectIds.value.filter((id) =>
+    projects.value.some((project) => project.id === id && project.status === 'Draft')),
+)
+const allPageDraftSelected = computed(() => {
+  const ids = projects.value.filter((project) => project.status === 'Draft').map((project) => project.id)
+  return ids.length > 0 && ids.every((id) => selectedProjectIds.value.includes(id))
+})
 const activePeriods = computed(() =>
   options.periods.filter((period) =>
     !selectedProject.value
@@ -119,6 +174,11 @@ function onScheduleEntryChange() {
   onTaskChange()
 }
 
+function formatScheduleEntry(entry: any) {
+  const classes = entry.classNames?.join('、') || '选课学生'
+  return `${entry.courseCode} · ${entry.courseName} · ${entry.taskNumber} · ${classes} · 星期 ${entry.dayOfWeek} 第 ${entry.startPeriod}–${entry.startPeriod + entry.periodCount - 1} 节 · ${entry.campusName} ${entry.buildingName} ${entry.classroomName}`
+}
+
 function openCreateProject() {
   resetProjectForm()
   projectDialog.value = true
@@ -141,10 +201,10 @@ function openEditProject(project: any) {
 
 async function saveProject() {
   if (!projectForm.teachingTaskIds.length ||
-    (projectForm.arrangementMode === 'Centralized' && !projectForm.scheduleEntryId) ||
+    (editingProjectId.value && projectForm.arrangementMode === 'Centralized' && !projectForm.scheduleEntryId) ||
     !projectForm.code.trim()
     || !projectForm.name.trim() || projectForm.dates.length !== 2) {
-    ElMessage.warning(projectForm.arrangementMode === 'Centralized'
+    ElMessage.warning(projectForm.arrangementMode === 'Centralized' && editingProjectId.value
       ? '请选择课表实验课，并填写项目编码、名称和开放日期'
       : '请填写教学任务、项目编码、名称和开放日期')
     return
@@ -164,16 +224,15 @@ async function saveProject() {
     if (editingProjectId.value) {
       await http.put(`/experiments/${editingProjectId.value}`, payload)
       ElMessage.success('实验项目已更新')
-    } else if (projectForm.arrangementMode === 'Centralized') {
-      await http.post('/experiments', payload)
-      ElMessage.success('实验项目已绑定课表实验课')
     } else {
       await http.post('/experiments/batch', {
         ...payload,
         teachingTaskId: undefined,
         teachingTaskIds: projectForm.teachingTaskIds,
       })
-      ElMessage.success(`已为 ${projectForm.teachingTaskIds.length} 个教学任务创建实验项目`)
+      ElMessage.success(projectForm.arrangementMode === 'Centralized'
+        ? `已按 ${projectForm.teachingTaskIds.length} 个教学班的全部实验课生成项目`
+        : `已为 ${projectForm.teachingTaskIds.length} 个教学任务创建实验项目`)
     }
     projectDialog.value = false
     await load()
@@ -336,6 +395,76 @@ async function deleteProject(project: any) {
   }
 }
 
+function togglePageDraftSelection(value: unknown) {
+  const ids = projects.value.filter((project) => project.status === 'Draft').map((project) => project.id)
+  selectedProjectIds.value = Boolean(value)
+    ? [...new Set([...selectedProjectIds.value, ...ids])]
+    : selectedProjectIds.value.filter((id) => !ids.includes(id))
+}
+
+function toggleProjectSelection(projectId: string, value: unknown) {
+  selectedProjectIds.value = Boolean(value)
+    ? [...new Set([...selectedProjectIds.value, projectId])]
+    : selectedProjectIds.value.filter((id) => id !== projectId)
+}
+
+async function publishSelectedProjects() {
+  const ids = draftSelectedProjectIds.value
+  if (!ids.length) return
+  try {
+    await ElMessageBox.confirm(
+      `将发布选中的 ${ids.length} 个草稿实验项目，并通知对应学生。`,
+      '批量发布实验项目',
+      { confirmButtonText: '确认发布', cancelButtonText: '取消', type: 'warning' },
+    )
+    const { data } = await http.post('/experiments/batch/publish', { projectIds: ids })
+    ElMessage.success(`已提交 ${ids.length} 个实验项目的后台发布任务`)
+    selectedProjectIds.value = []
+    void pollPublishJob(data.jobId)
+  } catch (error: any) {
+    if (error === 'cancel' || error === 'close') return
+    ElMessage.error(apiErrorMessage(error))
+  }
+}
+
+async function pollPublishJob(jobId: string) {
+  try {
+    const { data } = await http.get(`/experiments/batch/publish-jobs/${jobId}`)
+    if (data.status === 'Succeeded') {
+      ElMessage.success('实验项目已完成发布')
+      await load()
+      return
+    }
+    if (data.status === 'Failed') {
+      ElMessage.error(data.errorMessage || '实验项目发布失败')
+      await load()
+      return
+    }
+    window.setTimeout(() => { void pollPublishJob(jobId) }, 1200)
+  } catch (error) {
+    ElMessage.error(apiErrorMessage(error))
+  }
+}
+
+async function deleteSelectedProjects() {
+  const ids = draftSelectedProjectIds.value
+  if (!ids.length) return
+  try {
+    await ElMessageBox.confirm(
+      `将删除选中的 ${ids.length} 个草稿实验项目及其未发布场次。`,
+      '批量删除实验项目',
+      { confirmButtonText: '删除', cancelButtonText: '取消', type: 'error' },
+    )
+    await http.delete('/experiments/batch', { data: { projectIds: ids } })
+    ElMessage.success(`已删除 ${ids.length} 个实验项目`)
+    selectedProjectIds.value = []
+    await load()
+  } catch (error: any) {
+    if (error === 'cancel' || error === 'close') return
+    ElMessage.error(apiErrorMessage(error))
+  }
+}
+
 async function cancelSession(project: any, session: any) {
   try {
     await ElMessageBox.confirm(
@@ -424,14 +553,20 @@ async function loadOptions() {
   if (isStudent.value) return
   try {
     const { data } = await http.get('/experiments/options', {
-      params: { academicTermId: termId.value || undefined },
+      params: {
+        academicTermId: termId.value || undefined,
+        offeringCollegeId: offeringCollegeId.value || undefined,
+        courseKeyword: courseKeyword.value.trim() || undefined,
+      },
     })
     options.tasks = data.tasks
+    options.colleges = data.colleges
     options.scheduleEntries = data.scheduleEntries
     options.classrooms = data.classrooms
     options.periods = data.periods
   } catch (error) {
     options.tasks = []
+    options.colleges = []
     options.classrooms = []
     options.periods = []
     ElMessage.error(apiErrorMessage(error))
@@ -445,17 +580,28 @@ async function load() {
       projects.value = (await http.get('/experiments/student', {
         params: { academicTermId: termId.value || undefined },
       })).data
+      total.value = projects.value.length
     } else {
-      projects.value = (await http.get('/experiments/management', {
+      const { data } = await http.get('/experiments/management', {
         params: {
           academicTermId: termId.value || undefined,
           arrangementMode: modeFilter.value || undefined,
           status: statusFilter.value || undefined,
+          offeringCollegeId: offeringCollegeId.value || undefined,
+          courseKeyword: courseKeyword.value.trim() || undefined,
+          classKeyword: classKeyword.value.trim() || undefined,
+          teacherKeyword: teacherKeyword.value.trim() || undefined,
+          taskKeyword: taskKeyword.value.trim() || undefined,
+          page: page.value,
+          pageSize: pageSize.value,
         },
-      })).data
+      })
+      projects.value = data.items
+      total.value = data.total
     }
   } catch (error) {
     projects.value = []
+    total.value = 0
     ElMessage.error(apiErrorMessage(error))
   } finally {
     loading.value = false
@@ -463,10 +609,30 @@ async function load() {
 }
 
 async function changeTerm() {
+  page.value = 1
+  selectedProjectIds.value = []
   await loadOptions()
   await load()
 }
 
+async function searchTaskOptions() {
+  page.value = 1
+  selectedProjectIds.value = []
+  await loadOptions()
+  await load()
+}
+
+async function changePage(nextPage: number) {
+  page.value = nextPage
+  selectedProjectIds.value = []
+  await load()
+}
+
+async function changePageSize(size: number) {
+  pageSize.value = size
+  await changePage(1)
+}
+
 onMounted(async () => {
   try {
     terms.value = (await http.get('/base-data/terms')).data
@@ -524,6 +690,13 @@ onMounted(async () => {
         />
       </el-select>
       <template v-if="!isStudent">
+        <el-select v-model="offeringCollegeId" clearable filterable placeholder="开课学院" @change="searchTaskOptions">
+          <el-option v-for="college in options.colleges" :key="college.collegeId" :label="college.collegeName" :value="college.collegeId" />
+        </el-select>
+        <el-input v-model="courseKeyword" clearable placeholder="课程名称或编码" @keyup.enter="searchTaskOptions" @clear="searchTaskOptions" />
+        <el-input v-model="classKeyword" clearable placeholder="教学班" @keyup.enter="searchTaskOptions" @clear="searchTaskOptions" />
+        <el-input v-model="teacherKeyword" clearable placeholder="任课教师" @keyup.enter="searchTaskOptions" @clear="searchTaskOptions" />
+        <el-input v-model="taskKeyword" clearable placeholder="教学任务号" @keyup.enter="searchTaskOptions" @clear="searchTaskOptions" />
         <el-select v-model="modeFilter" clearable placeholder="全部安排方式" @change="load">
           <el-option label="集中安排" value="Centralized" />
           <el-option label="自行安排" value="SelfScheduled" />
@@ -534,12 +707,95 @@ onMounted(async () => {
           <el-option label="已关闭" value="Closed" />
         </el-select>
       </template>
-      <span class="result-note">共 {{ projects.length }} 个实验项目</span>
+      <span class="result-note">共 {{ total }} 个教学班课程</span>
+    </section>
+
+    <section v-if="!isStudent" class="experiment-batch-bar">
+      <el-checkbox :model-value="allPageDraftSelected" :indeterminate="!!draftSelectedProjectIds.length && !allPageDraftSelected" @change="togglePageDraftSelection">
+        选中当前页全部草稿
+      </el-checkbox>
+      <span>已选 {{ draftSelectedProjectIds.length }} 个草稿项目</span>
+      <el-button size="small" type="primary" :disabled="!draftSelectedProjectIds.length" @click="publishSelectedProjects">批量发布</el-button>
+      <el-button size="small" type="danger" plain :disabled="!draftSelectedProjectIds.length" @click="deleteSelectedProjects">批量删除</el-button>
     </section>
 
     <section v-loading="loading" class="project-list">
+      <section v-for="group in projectGroups" :key="group.key" class="project-group">
+        <header class="project-group-head">
+          <div>
+            <span>{{ group.termName }}</span>
+            <h3>{{ group.courseCode }} · {{ group.courseName }}</h3>
+          </div>
+          <div class="project-group-task">
+            <b>{{ group.taskNumbers.join('、') }}</b>
+            <span>{{ group.classNames?.join('、') || '选课学生' }}</span>
+          </div>
+        </header>
+        <div class="project-group-projects">
+          <el-table v-if="!isStudent" :data="group.projects" class="project-table" size="small">
+            <el-table-column width="46" align="center">
+              <template #default="{ row }">
+                <el-checkbox
+                  v-if="row.status === 'Draft'"
+                  :model-value="selectedProjectIds.includes(row.id)"
+                  @change="toggleProjectSelection(row.id, $event)"
+                  aria-label="选择实验项目"
+                />
+              </template>
+            </el-table-column>
+            <el-table-column label="实验项目" min-width="220">
+              <template #default="{ row }">
+                <div class="table-project-name">
+                  <b>{{ row.code }} · {{ row.name }}</b>
+                  <small v-if="row.description">{{ row.description }}</small>
+                </div>
+              </template>
+            </el-table-column>
+            <el-table-column label="实验课次 / 场次" min-width="280">
+              <template #default="{ row }">
+                <div v-if="row.arrangementMode === 'Centralized' && row.scheduleEntry" class="table-schedule">
+                  <b>第 {{ row.scheduleEntry.projectWeek ?? `${row.scheduleEntry.startWeek}–${row.scheduleEntry.endWeek}` }} 周 · 星期 {{ row.scheduleEntry.dayOfWeek }} · 第 {{ row.scheduleEntry.startPeriod }}–{{ row.scheduleEntry.startPeriod + row.scheduleEntry.periodCount - 1 }} 节</b>
+                  <small>{{ row.scheduleEntry.campusName }} · {{ row.scheduleEntry.buildingName }} {{ row.scheduleEntry.classroomName }}</small>
+                </div>
+                <div v-else-if="row.sessions.length" class="table-schedule">
+                  <b>{{ row.sessions.length }} 个开放场次</b>
+                  <small>{{ row.sessions.map((session: any) => formatSessionTime(session)).join('；') }}</small>
+                </div>
+                <span v-else class="table-muted">尚未安排</span>
+              </template>
+            </el-table-column>
+            <el-table-column label="方式" width="100" align="center">
+              <template #default="{ row }"><el-tag :type="row.arrangementMode === 'Centralized' ? 'primary' : 'success'" effect="plain">{{ modeMeta[row.arrangementMode].label }}</el-tag></template>
+            </el-table-column>
+            <el-table-column label="状态" width="88" align="center">
+              <template #default="{ row }"><el-tag :type="row.status === 'Published' ? 'success' : row.status === 'Closed' ? 'info' : 'warning'">{{ statusLabels[row.status] }}</el-tag></template>
+            </el-table-column>
+            <el-table-column label="操作" width="244" fixed="right" align="right">
+              <template #default="{ row }">
+                <template v-if="row.status === 'Draft'">
+                  <el-button size="small" text @click="openEditProject(row)">编辑</el-button>
+                  <el-button size="small" text type="danger" @click="deleteProject(row)">删除</el-button>
+                  <el-button
+                    size="small"
+                    type="primary"
+                    :disabled="row.arrangementMode === 'Centralized' ? !row.scheduleEntry : !row.sessions.some((item: any) => item.status !== 'Cancelled')"
+                    @click="publishProject(row)"
+                  >发布</el-button>
+                </template>
+                <el-button v-else-if="row.status === 'Published'" size="small" text @click="closeProject(row)">关闭项目</el-button>
+                <el-button
+                  v-if="row.status !== 'Closed' && row.arrangementMode === 'SelfScheduled'"
+                  size="small"
+                  text
+                  type="primary"
+                  @click="openSession(row)"
+                >安排场次</el-button>
+              </template>
+            </el-table-column>
+          </el-table>
       <article
-        v-for="project in projects"
+        v-else
+        v-for="project in group.projects"
         :key="project.id"
         class="project-card"
         :class="[
@@ -551,9 +807,15 @@ onMounted(async () => {
           <div class="project-identity">
             <span class="project-code">{{ project.courseCode }} · {{ project.code }}</span>
             <h3>{{ project.name }}</h3>
-            <p>{{ project.courseName }} · {{ project.taskNumber }}</p>
+            <p>{{ project.arrangementMode === 'Centralized' ? '统一到场实验' : '开放预约实验' }}</p>
           </div>
           <div class="project-tags">
+            <el-checkbox
+              v-if="!isStudent && project.status === 'Draft'"
+              :model-value="selectedProjectIds.includes(project.id)"
+              @change="toggleProjectSelection(project.id, $event)"
+              aria-label="选择实验项目"
+            />
             <el-tag
               :type="project.arrangementMode === 'Centralized' ? 'primary' : 'success'"
               effect="plain"
@@ -600,8 +862,8 @@ onMounted(async () => {
             <article class="session-ticket">
               <div class="ticket-date"><strong>课表</strong><span>固定</span></div>
               <div class="ticket-body">
-                <b>星期 {{ project.scheduleEntry.dayOfWeek }} · 第 {{ project.scheduleEntry.startPeriod }}–{{ project.scheduleEntry.startPeriod + project.scheduleEntry.periodCount - 1 }} 节</b>
+                <b>第 {{ project.scheduleEntry.projectWeek ?? `${project.scheduleEntry.startWeek}–${project.scheduleEntry.endWeek}` }} 周 · 星期 {{ project.scheduleEntry.dayOfWeek }} · 第 {{ project.scheduleEntry.startPeriod }}–{{ project.scheduleEntry.startPeriod + project.scheduleEntry.periodCount - 1 }} 节</b>
-                <span>第 {{ project.scheduleEntry.startWeek }}–{{ project.scheduleEntry.endWeek }} 周 · {{ project.scheduleEntry.campusName }} · {{ project.scheduleEntry.buildingName }} {{ project.scheduleEntry.classroomName }}</span>
+                <span>{{ project.scheduleEntry.campusName }} · {{ project.scheduleEntry.buildingName }} {{ project.scheduleEntry.classroomName }}</span>
               </div>
               <div class="ticket-action"><el-tag type="primary" size="small" effect="plain">课表已安排</el-tag></div>
             </article>
@@ -736,6 +998,8 @@ onMounted(async () => {
           </el-button>
         </footer>
       </article>
+        </div>
+      </section>
 
       <el-empty
         v-if="!loading && !projects.length"
@@ -747,6 +1011,19 @@ onMounted(async () => {
       </el-empty>
     </section>
 
+    <el-pagination
+      v-if="!isStudent && total > pageSize"
+      class="experiment-pagination"
+      background
+      layout="total, sizes, prev, pager, next"
+      :current-page="page"
+      :page-size="pageSize"
+      :page-sizes="[10, 20, 50, 100]"
+      :total="total"
+      @current-change="changePage"
+      @size-change="changePageSize"
+    />
+
     <el-dialog
       v-model="projectDialog"
       :title="editingProjectId ? '编辑实验项目' : '批量设置实验任务'"
@@ -756,26 +1033,24 @@ onMounted(async () => {
       <el-form label-position="top" class="experiment-form">
         <div class="form-section">
           <header><span>PROJECT</span><b>规定实验项目</b></header>
-          <el-form-item v-if="projectForm.arrangementMode === 'Centralized'" label="已发布课表中的实验课" required>
+          <el-form-item v-if="editingProjectId && projectForm.arrangementMode === 'Centralized'" label="已发布课表中的实验课" required>
             <el-select v-model="projectForm.scheduleEntryId" filterable :disabled="!!editingProjectId" placeholder="选择已安排实验室的实验课" @change="onScheduleEntryChange">
               <el-option
                 v-for="entry in options.scheduleEntries"
                 :key="entry.id"
-                :label="`${entry.courseCode} · ${entry.courseName} · ${entry.taskNumber} · 星期 ${entry.dayOfWeek} 第 ${entry.startPeriod}–${entry.startPeriod + entry.periodCount - 1} 节 · ${entry.campusName} ${entry.buildingName} ${entry.classroomName}`"
+                :label="formatScheduleEntry(entry)"
                 :value="entry.id"
               />
             </el-select>
-            <small class="form-help">集中实验复用课表的时间和实验室，不会再生成独立实验场次。</small>
+            <small class="form-help">显示当前管理范围内全部已发布、已安排实验室的实验课；集中实验复用其时间和实验室，不会再生成独立实验场次。</small>
           </el-form-item>
-          <el-form-item v-else :label="editingProjectId ? '所属教学任务' : '适用教学任务（可多选）'" required>
+          <el-form-item v-else :label="editingProjectId ? '所属教学任务' : '适用教学班（可多选）'" required>
             <el-select
+              v-if="editingProjectId"
               v-model="projectForm.teachingTaskIds"
               filterable
-              :multiple="!editingProjectId"
+              disabled
-              collapse-tags
+              placeholder="所属教学任务"
-              collapse-tags-tooltip
-              :disabled="!!editingProjectId"
-              placeholder="选择同一学期、同一课程的已发布教学任务"
               @change="onTaskChange"
             >
               <el-option
@@ -783,13 +1058,45 @@ onMounted(async () => {
                 :key="task.id"
                 :label="`${task.courseCode} · ${task.courseName} · ${task.taskNumber}`"
                 :value="task.id"
-                :disabled="!!selectedTask
-                  && (task.academicTermId !== selectedTask.academicTermId
-                    || task.courseId !== selectedTask.courseId)"
               />
             </el-select>
+            <el-checkbox-group
+              v-else
+              v-model="projectForm.teachingTaskIds"
+              class="grouped-task-picker"
+              @change="onTaskChange"
+            >
+              <div class="task-option-filters">
+                <el-select v-model="offeringCollegeId" clearable filterable placeholder="开课学院" @change="searchTaskOptions">
+                  <el-option v-for="college in options.colleges" :key="college.collegeId" :label="college.collegeName" :value="college.collegeId" />
+                </el-select>
+                <el-input v-model="courseKeyword" clearable placeholder="课程名称或代码" @keyup.enter="searchTaskOptions" />
+                <el-button @click="searchTaskOptions">查询</el-button>
+              </div>
+              <section v-for="group in taskGroups" :key="group.key" class="task-picker-course">
+                <header>
+                  <span>{{ group.termName }}</span>
+                  <b>{{ group.courseCode }} · {{ group.courseName }}</b>
+                </header>
+                <div>
+                  <el-checkbox
+                    v-for="task in group.tasks"
+                    :key="task.id"
+                    :value="task.id"
+                    :disabled="projectForm.arrangementMode === 'SelfScheduled' && !!selectedTask
+                      && (task.academicTermId !== selectedTask.academicTermId
+                        || task.courseId !== selectedTask.courseId)"
+                  >
+                    <b>{{ task.taskNumber }}</b>
+                    <span>{{ task.classNames.join('、') || task.name }}</span>
+                  </el-checkbox>
+                </div>
+              </section>
+              <el-empty v-if="!taskGroups.length" :image-size="46" description="没有匹配的已发布教学班，请调整筛选条件" />
+            </el-checkbox-group>
             <small v-if="!editingProjectId" class="form-help">
-              已选 {{ projectForm.teachingTaskIds.length }} 个；实验编码、名称、内容和开放日期将一次应用到这些教学任务。
+              <template v-if="projectForm.arrangementMode === 'Centralized'">已选 {{ projectForm.teachingTaskIds.length }} 个教学班；系统会为每个教学班的全部已发布实验课生成项目。</template>
+              <template v-else>已选 {{ projectForm.teachingTaskIds.length }} 个教学班；只能勾选同一学期、同一课程，实验编码、名称、内容和开放日期将一次应用到这些教学任务。</template>
             </small>
           </el-form-item>
           <div class="form-grid two">
@@ -1066,14 +1373,35 @@ onMounted(async () => {
 .rail-switch i { width: 30px; height: 7px; border: 2px solid #7794a5; border-radius: 999px; background: #fff; }
 .experiment-toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 16px; }
 .experiment-toolbar .el-select { width: 210px; }
+.experiment-toolbar .el-input { width: 172px; }
 .result-note { margin-left: auto; color: var(--muted); font-size: 12px; }
+.experiment-batch-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; min-height: 46px; margin: -6px 0 16px; padding: 8px 12px; border: 1px solid #cddce3; background: #f7fafb; }
+.experiment-batch-bar > span { margin-right: auto; color: #5c7481; font-size: 12px; }
+.experiment-pagination { justify-content: flex-end; margin-top: 4px; }
 .project-list { display: grid; gap: 14px; min-height: 160px; }
+.project-group { overflow: hidden; border: 1px solid #cddce3; background: #f6fafb; }
+.project-group-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 13px 17px; border-left: 5px solid var(--lab-blue); background: #edf4f6; }
+.project-group-head > div:first-child { display: grid; gap: 3px; }
+.project-group-head h3 { margin: 0; color: var(--lab-ink); font-size: 15px; }
+.project-group-head > div:first-child span { color: #68808d; font: 700 10px/1 Consolas, monospace; letter-spacing: .06em; }
+.project-group-task { display: grid; justify-items: end; gap: 3px; color: #5c7481; font-size: 11px; text-align: right; }
+.project-group-task b { color: #365364; font-size: 12px; }
+.project-group-projects { display: grid; gap: 0; padding: 0; }
+.project-table { --el-table-border-color: #dce5ea; --el-table-header-bg-color: #f7fafb; --el-table-row-hover-bg-color: #f6fafb; width: 100%; }
+.project-table :deep(th.el-table__cell) { padding: 8px 0; color: #617986; font-size: 11px; font-weight: 650; }
+.project-table :deep(td.el-table__cell) { padding: 9px 0; vertical-align: top; }
+.table-project-name, .table-schedule { display: grid; gap: 4px; min-width: 0; }
+.table-project-name b { color: var(--lab-ink); font-size: 13px; }
+.table-project-name small, .table-schedule small { overflow: hidden; color: #667f8d; font-size: 11px; line-height: 1.45; text-overflow: ellipsis; white-space: nowrap; }
+.table-schedule b { color: #365364; font-size: 12px; font-weight: 600; }
+.table-muted { color: #8b9aa4; font-size: 12px; }
 .project-card {
   overflow: hidden;
-  border: 1px solid #dce5ea;
+  border: 0;
-  border-top: 4px solid var(--lab-blue);
+  border-top: 1px solid #dce5ea;
+  border-left: 4px solid var(--lab-blue);
   background: #fff;
-  box-shadow: 0 7px 22px rgb(35 67 85 / 5%);
+  box-shadow: none;
 }
 .project-card.is-flexible { border-top-color: var(--lab-teal); }
 .project-card.is-closed { opacity: .82; }
@@ -1140,6 +1468,16 @@ onMounted(async () => {
 .student-booking-summary span { display: grid; gap: 2px; color: #365f5b; font-size: 12px; }
 .student-booking-summary b { font-size: 10px; text-transform: uppercase; letter-spacing: .06em; }
 .experiment-form { display: grid; gap: 13px; }
+.grouped-task-picker { display: grid; gap: 10px; max-height: 310px; overflow: auto; padding: 10px; border: 1px solid #d8e3e8; background: #fff; }
+.task-option-filters { display: grid; grid-template-columns: minmax(150px, 1fr) minmax(180px, 1.2fr) auto; gap: 8px; }
+.task-picker-course { overflow: hidden; border: 1px solid #e0e8eb; }
+.task-picker-course header { display: flex; align-items: baseline; gap: 8px; padding: 8px 10px; background: #f3f7f8; }
+.task-picker-course header span { color: #738994; font: 700 10px/1 Consolas, monospace; }
+.task-picker-course header b { color: #314f60; font-size: 12px; }
+.task-picker-course > div { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 2px 12px; padding: 8px 10px; }
+.task-picker-course :deep(.el-checkbox) { height: auto; margin-right: 0; white-space: normal; }
+.task-picker-course :deep(.el-checkbox__label) { display: inline-flex; gap: 6px; min-width: 0; color: #536b78; font-size: 12px; }
+.task-picker-course :deep(.el-checkbox__label b) { flex: 0 0 auto; color: #284757; }
 .form-help { display: block; margin-top: 7px; color: var(--muted); line-height: 1.5; }
 .form-section { padding: 14px 15px 1px; border: 1px solid var(--line); background: #fbfcfd; }
 .form-section > header { display: flex; align-items: baseline; gap: 9px; margin-bottom: 13px; }

web/src/views/GradeAnalyticsView.vue

@@ -1,10 +1,11 @@
 <script setup lang="ts">
-import { computed, nextTick, onBeforeUnmount, onMounted, ref, watch } from 'vue'
+import { computed, nextTick, onBeforeUnmount, onMounted, reactive, ref, watch } from 'vue'
-import { Download, Refresh, Search } from '@element-plus/icons-vue'
+import { Download, Refresh, Search, Setting } from '@element-plus/icons-vue'
 import * as echarts from 'echarts'
 import http, { apiErrorMessage } from '../api/http'
 import { downloadApiFile } from '../api/excel'
 import { academicTermLabel, defaultAcademicTermId } from '../utils/academicTerms'
+import { useAuthStore } from '../stores/auth'
 
 interface TeachingClassItem {
   gradeSheetId: string
@@ -25,6 +26,8 @@ interface TeachingClassItem {
 }
 
 const terms = ref<any[]>([])
+const auth = useAuthStore()
+const canManageSchedule = computed(() => auth.user?.roles.some(role => ['SuperAdmin', 'AcademicAdmin'].includes(role)) ?? false)
 const classes = ref<TeachingClassItem[]>([])
 const selected = ref<TeachingClassItem>()
 const report = ref<any>()
@@ -37,6 +40,16 @@ const loading = ref(false)
 const reportLoading = ref(false)
 const exporting = ref(false)
 const historyMetric = ref<'average' | 'passRate' | 'excellentRate'>('average')
+const scheduleDialogVisible = ref(false)
+const scheduleLoading = ref(false)
+const scheduleSaving = ref(false)
+const schedule = reactive({
+  isEnabled: true,
+  intervalMinutes: 5,
+  batchSize: 100,
+  lastRunAt: null as string | null,
+  nextRunAt: null as string | null,
+})
 
 const distributionElement = ref<HTMLElement>()
 const peerAverageElement = ref<HTMLElement>()
@@ -134,6 +147,40 @@ async function refreshStatistics() {
   }
 }
 
+async function openScheduleSettings() {
+  scheduleDialogVisible.value = true
+  scheduleLoading.value = true
+  try {
+    const data = (await http.get('/grade-analytics/refresh-schedule')).data
+    schedule.isEnabled = data.isEnabled
+    schedule.intervalMinutes = Math.max(1, Math.round(data.intervalSeconds / 60))
+    schedule.batchSize = data.batchSize
+    schedule.lastRunAt = data.lastRunAt
+    schedule.nextRunAt = data.nextRunAt
+  } catch (error) {
+    ElMessage.error(apiErrorMessage(error))
+  } finally {
+    scheduleLoading.value = false
+  }
+}
+
+async function saveScheduleSettings() {
+  scheduleSaving.value = true
+  try {
+    await http.put('/grade-analytics/refresh-schedule', {
+      isEnabled: schedule.isEnabled,
+      intervalSeconds: schedule.intervalMinutes * 60,
+      batchSize: schedule.batchSize,
+    })
+    ElMessage.success('成绩统计定时刷新设置已保存')
+    scheduleDialogVisible.value = false
+  } catch (error) {
+    ElMessage.error(apiErrorMessage(error))
+  } finally {
+    scheduleSaving.value = false
+  }
+}
+
 async function exportWordReport() {
   if (!selected.value) return
   exporting.value = true
@@ -307,6 +354,7 @@ onBeforeUnmount(() => {
         <p>对比当前教学班、同课程教学班、学生来源范围与历年成绩；统计仅使用已正式发布成绩。</p>
       </div>
       <div class="intro-actions">
+        <el-button v-if="canManageSchedule" :icon="Setting" @click="openScheduleSettings">定时刷新设置</el-button>
         <el-button
           type="primary"
           :icon="Download"
@@ -318,6 +366,32 @@ onBeforeUnmount(() => {
       </div>
     </section>
 
+    <el-dialog v-model="scheduleDialogVisible" title="成绩统计定时刷新" width="520px">
+      <el-form v-loading="scheduleLoading" label-width="130px">
+        <el-form-item label="启用定时刷新">
+          <el-switch v-model="schedule.isEnabled" />
+        </el-form-item>
+        <el-form-item label="刷新间隔">
+          <el-input-number v-model="schedule.intervalMinutes" :min="1" :max="1440" :disabled="!schedule.isEnabled" />
+          <span class="schedule-unit">分钟</span>
+        </el-form-item>
+        <el-form-item label="单次处理上限">
+          <el-input-number v-model="schedule.batchSize" :min="1" :max="5000" :step="50" :disabled="!schedule.isEnabled" />
+          <span class="schedule-unit">个课程学期</span>
+        </el-form-item>
+        <el-form-item label="运行状态">
+          <div class="schedule-status">
+            <span>上次扫描：{{ schedule.lastRunAt ? new Date(schedule.lastRunAt).toLocaleString('zh-CN') : '尚未运行' }}</span>
+            <span v-if="schedule.isEnabled">下次扫描：{{ schedule.nextRunAt ? new Date(schedule.nextRunAt).toLocaleString('zh-CN') : '启用后将尽快运行' }}</span>
+          </div>
+        </el-form-item>
+      </el-form>
+      <template #footer>
+        <el-button @click="scheduleDialogVisible = false">取消</el-button>
+        <el-button type="primary" :loading="scheduleSaving" @click="saveScheduleSettings">保存设置</el-button>
+      </template>
+    </el-dialog>
+
     <section class="filter-bar">
       <el-select v-model="termId" clearable placeholder="全部学期" style="width: 240px" @change="loadClasses(true)">
         <el-option v-for="term in terms" :key="term.id" :label="academicTermLabel(term)" :value="term.id" />
@@ -461,6 +535,8 @@ onBeforeUnmount(() => {
 .chart-card h4 { margin: 5px 0 0; color: var(--ink); font-size: 16px; }
 .chart-card header p, .chart-caption { min-width: 0; margin: 0; color: #667085; font-size: 11px; text-align: right; }
 .chart-caption { margin-top: 9px; text-align: left; }
+.schedule-unit { margin-left: 10px; color: #667085; font-size: 12px; }
+.schedule-status { display: grid; gap: 3px; color: #667085; font-size: 12px; }
 .chart { height: 310px; margin-top: 10px; }
 .chart-large { height: 360px; }
 @media (max-width: 1180px) {

web/src/views/SchedulesView.vue

@@ -55,9 +55,20 @@ const weekdays = [
   { value: 7, label: '星期日' },
 ]
 const experimentVenueNatures = [
-  { value: 2, label: '实验室' }, { value: 4, label: '实训室' },
+  { value: 1, label: '普通教室' }, { value: 2, label: '实验室' },
-  { value: 8, label: '计算机机房' }, { value: 16, label: '语音室' },
+  { value: 4, label: '实训室' }, { value: 8, label: '计算机机房' },
+  { value: 16, label: '语音室' }, { value: 32, label: '体育场地' },
+  { value: 64, label: '艺术场地' },
 ]
+const venueNatureValue = (value: unknown) => {
+  if (typeof value === 'number') return value
+  if (typeof value !== 'string') return 0
+  const names: Record<string, number> = {
+    GeneralClassroom: 1, Laboratory: 2, TrainingRoom: 4, ComputerLab: 8,
+    LanguageLab: 16, SportsVenue: 32, ArtsVenue: 64,
+  }
+  return value.split(',').reduce((sum, name) => sum | (names[name.trim()] ?? 0), 0)
+}
 const periods = computed(() => {
   const configured = timeSlots.value
     .filter((item) => item.isEnabled)
@@ -129,17 +140,21 @@ const publishStatusText = computed(() => {
 const selectedTaskConstraint = computed(() =>
   constraints.value.find((item) => item.id === entryForm.teachingTaskId),
 )
-const isExperimentRoom = (room: any) =>
-  (Number(room.teachingVenueNature) & (2 | 4 | 8 | 16)) !== 0
 const entryClassrooms = computed(() =>
   classrooms.value.filter((room) =>
-    (!selectedTaskConstraint.value?.requiredCampusId
+    (entryForm.kind === 'Experiment' || !selectedTaskConstraint.value?.requiredCampusId
       || room.campusId === selectedTaskConstraint.value.requiredCampusId) &&
-    (!selectedTaskConstraint.value?.requiredBuildingId
+    (entryForm.kind === 'Experiment' || !selectedTaskConstraint.value?.requiredBuildingId
       || room.buildingId === selectedTaskConstraint.value.requiredBuildingId) &&
-    (!selectedTaskConstraint.value?.allowedClassroomIds?.length
+    (entryForm.kind === 'Experiment' || !selectedTaskConstraint.value?.allowedClassroomIds?.length
       || selectedTaskConstraint.value.allowedClassroomIds.includes(room.id)) &&
-    (entryForm.kind !== 'Experiment' || isExperimentRoom(room)),
+    (entryForm.kind !== 'Experiment' || !selectedTaskConstraint.value?.experimentRequiredCampusId
+      || room.campusId === selectedTaskConstraint.value.experimentRequiredCampusId) &&
+    (entryForm.kind !== 'Experiment' || !selectedTaskConstraint.value?.experimentRequiredBuildingId
+      || room.buildingId === selectedTaskConstraint.value.experimentRequiredBuildingId) &&
+    (entryForm.kind !== 'Experiment' ||
+      !selectedTaskConstraint.value?.allowedExperimentClassroomIds?.length ||
+      selectedTaskConstraint.value.allowedExperimentClassroomIds.includes(room.id)),
   ),
 )
 const entryWeekdays = computed(() => {
@@ -192,6 +207,22 @@ const filteredClassrooms = computed(() =>
     (!constraintForm.requiredBuildingId || item.buildingId === constraintForm.requiredBuildingId),
   ),
 )
+const filteredExperimentBuildings = computed(() =>
+  constraintForm.experimentRequiredCampusId
+    ? buildings.value.filter((item) => item.campusId === constraintForm.experimentRequiredCampusId)
+    : buildings.value,
+)
+const filteredExperimentClassrooms = computed(() =>
+  classrooms.value.filter((item) =>
+    (!constraintForm.experimentRequiredCampusId ||
+      item.campusId === constraintForm.experimentRequiredCampusId) &&
+    (!constraintForm.experimentRequiredBuildingId ||
+      item.buildingId === constraintForm.experimentRequiredBuildingId) &&
+    (!(constraintForm.allowedExperimentVenueNatures ?? []).length ||
+      (venueNatureValue(item.teachingVenueNature) & (constraintForm.allowedExperimentVenueNatures ?? [])
+        .reduce((value: number, nature: number) => value | nature, 0)) !== 0),
+  ),
+)
 const batchFilteredBuildings = computed(() =>
   constraintBatchForm.requiredCampusId
     ? buildings.value.filter((item) => item.campusId === constraintBatchForm.requiredCampusId)
@@ -205,6 +236,23 @@ const batchFilteredClassrooms = computed(() =>
       item.buildingId === constraintBatchForm.requiredBuildingId),
   ),
 )
+const batchFilteredExperimentBuildings = computed(() =>
+  constraintBatchForm.experimentRequiredCampusId
+    ? buildings.value.filter((item) => item.campusId === constraintBatchForm.experimentRequiredCampusId)
+    : buildings.value,
+)
+const batchFilteredExperimentClassrooms = computed(() =>
+  classrooms.value.filter((item) =>
+    (!constraintBatchForm.experimentRequiredCampusId ||
+      item.campusId === constraintBatchForm.experimentRequiredCampusId) &&
+    (!constraintBatchForm.experimentRequiredBuildingId ||
+      item.buildingId === constraintBatchForm.experimentRequiredBuildingId) &&
+    (!(constraintBatchForm.allowedExperimentVenueNatures ?? []).length ||
+      (venueNatureValue(item.teachingVenueNature) &
+        (constraintBatchForm.allowedExperimentVenueNatures ?? [])
+          .reduce((value: number, nature: number) => value | nature, 0)) !== 0),
+  ),
+)
 const filteredEntries = computed(() => {
   const text = keyword.value.trim().toLowerCase()
   if (!text) return selected.value?.entries ?? []
@@ -293,11 +341,15 @@ function openConstraint(item: any) {
   Object.assign(constraintForm, {
     teachingTaskId: item.id,
     title: `${item.taskNumber} · ${item.name}`,
+    coursePracticeHours: item.coursePracticeHours,
     schedulingMode: item.schedulingMode,
     requiresClassroom: item.requiresClassroom,
     requiredCampusId: item.requiredCampusId,
     requiredBuildingId: item.requiredBuildingId,
+    experimentRequiredCampusId: item.experimentRequiredCampusId,
+    experimentRequiredBuildingId: item.experimentRequiredBuildingId,
     allowedClassroomIds: [...item.allowedClassroomIds],
+    allowedExperimentClassroomIds: [...item.allowedExperimentClassroomIds],
     allowedExperimentVenueNatures: experimentVenueNatures
       .filter((nature) => (Number(item.allowedExperimentVenueNatures) & nature.value) !== 0)
       .map((nature) => nature.value),
@@ -317,7 +369,10 @@ async function saveConstraint() {
       requiresClassroom: constraintForm.requiresClassroom,
       requiredCampusId: constraintForm.requiredCampusId || null,
       requiredBuildingId: constraintForm.requiredBuildingId || null,
+      experimentRequiredCampusId: constraintForm.experimentRequiredCampusId || null,
+      experimentRequiredBuildingId: constraintForm.experimentRequiredBuildingId || null,
       allowedClassroomIds: constraintForm.allowedClassroomIds ?? [],
+      allowedExperimentClassroomIds: constraintForm.allowedExperimentClassroomIds ?? [],
       allowedExperimentVenueNatures: (constraintForm.allowedExperimentVenueNatures ?? [])
         .reduce((value: number, nature: number) => value | nature, 0),
       allowedDayOfWeeks: constraintForm.allowedDayOfWeeks ?? [],
@@ -358,6 +413,11 @@ function openConstraintBatch() {
     requiredCampusId: undefined,
     requiredBuildingId: undefined,
     allowedClassroomIds: [],
+    updateExperimentClassroomScope: false,
+    experimentRequiredCampusId: undefined,
+    experimentRequiredBuildingId: undefined,
+    allowedExperimentVenueNatures: [],
+    allowedExperimentClassroomIds: [],
     updateDays: false,
     allowedDayOfWeeks: [1, 2, 3, 4, 5],
     updatePeriodRange: false,
@@ -369,8 +429,9 @@ function openConstraintBatch() {
 
 async function saveConstraintBatch() {
   if (!constraintBatchForm.updateSchedulingMode &&
-      !constraintBatchForm.updateRequiresClassroom &&
+       !constraintBatchForm.updateRequiresClassroom &&
-      !constraintBatchForm.updateClassroomScope &&
+       !constraintBatchForm.updateClassroomScope &&
+       !constraintBatchForm.updateExperimentClassroomScope &&
       !constraintBatchForm.updateDays &&
       !constraintBatchForm.updatePeriodRange) {
     ElMessage.warning('请至少勾选一项需要批量修改的设置。')
@@ -390,6 +451,9 @@ async function saveConstraintBatch() {
       !(constraintBatchForm.updateRequiresClassroom &&
         !constraintBatchForm.requiresClassroom) &&
       constraintBatchForm.updateClassroomScope
+    const updateExperimentClassroomScope = !flexible &&
+      !(constraintBatchForm.updateRequiresClassroom && !constraintBatchForm.requiresClassroom) &&
+      constraintBatchForm.updateExperimentClassroomScope
     const { data } = await http.put('/schedules/constraints/batch', {
       academicTermId: termId.value,
       teachingTaskIds: targets.map((item) => item.id),
@@ -409,6 +473,20 @@ async function saveConstraintBatch() {
       allowedClassroomIds: updateClassroomScope
         ? constraintBatchForm.allowedClassroomIds
         : null,
+      updateExperimentClassroomScope,
+      experimentRequiredCampusId: updateExperimentClassroomScope
+        ? constraintBatchForm.experimentRequiredCampusId || null
+        : null,
+      experimentRequiredBuildingId: updateExperimentClassroomScope
+        ? constraintBatchForm.experimentRequiredBuildingId || null
+        : null,
+      allowedExperimentVenueNatures: updateExperimentClassroomScope
+        ? (constraintBatchForm.allowedExperimentVenueNatures ?? [])
+          .reduce((value: number, nature: number) => value | nature, 0)
+        : null,
+      allowedExperimentClassroomIds: updateExperimentClassroomScope
+        ? constraintBatchForm.allowedExperimentClassroomIds
+        : null,
       allowedDayOfWeeks: !flexible && constraintBatchForm.updateDays
         ? constraintBatchForm.allowedDayOfWeeks
         : null,
@@ -708,10 +786,13 @@ function changeEntryTask() {
   }
   const room = classrooms.value.find((item) => item.id === entryForm.classroomId)
   if (room && (
-    (task.requiredCampusId && room.campusId !== task.requiredCampusId) ||
+    (entryForm.kind !== 'Experiment' && task.requiredCampusId && room.campusId !== task.requiredCampusId) ||
-    (task.requiredBuildingId && room.buildingId !== task.requiredBuildingId) ||
+    (entryForm.kind !== 'Experiment' && task.requiredBuildingId && room.buildingId !== task.requiredBuildingId) ||
-    (task.allowedClassroomIds?.length && !task.allowedClassroomIds.includes(room.id)) ||
+    (entryForm.kind !== 'Experiment' && task.allowedClassroomIds?.length && !task.allowedClassroomIds.includes(room.id)) ||
-    (entryForm.kind === 'Experiment' && !isExperimentRoom(room))
+    (entryForm.kind === 'Experiment' && task.experimentRequiredCampusId && room.campusId !== task.experimentRequiredCampusId) ||
+    (entryForm.kind === 'Experiment' && task.experimentRequiredBuildingId && room.buildingId !== task.experimentRequiredBuildingId) ||
+    (entryForm.kind === 'Experiment' && task.allowedExperimentClassroomIds?.length &&
+      !task.allowedExperimentClassroomIds.includes(room.id))
   )) {
     entryForm.classroomId = null
   }
@@ -719,7 +800,9 @@ function changeEntryTask() {
 
 function changeEntryKind() {
   const room = classrooms.value.find((item) => item.id === entryForm.classroomId)
-  if (entryForm.kind === 'Experiment' && room && !isExperimentRoom(room)) {
+  const task = selectedTaskConstraint.value
+  if (entryForm.kind === 'Experiment' && room && task?.allowedExperimentClassroomIds?.length &&
+      !task.allowedExperimentClassroomIds.includes(room.id)) {
     entryForm.classroomId = null
   }
 }
@@ -1047,7 +1130,7 @@ onBeforeUnmount(() => {
         />
         <el-form-item
           v-else
-          :label="entryForm.kind === 'Experiment' ? '实验室 / 实训室 / 机房' : '教室'"
+           :label="entryForm.kind === 'Experiment' ? '教学场地' : '教室'"
           required
           :hint="selectedTaskConstraint?.requiredBuildingId ? '仅显示约束范围内教室' : ''"
         >
@@ -1227,12 +1310,38 @@ onBeforeUnmount(() => {
               />
             </el-select>
            </el-form-item>
-           <el-form-item label="实验课允许的场地性质">
+            <el-form-item label="实验课允许的场地性质">
              <el-checkbox-group v-model="constraintForm.allowedExperimentVenueNatures">
                <el-checkbox v-for="nature in experimentVenueNatures" :key="nature.value" :value="nature.value">{{ nature.label }}</el-checkbox>
              </el-checkbox-group>
-             <small class="field-hint">仅约束实验课；不勾选时可使用全部实验教学场地。</small>
+              <small class="field-hint">仅约束实验课；不勾选时可使用全部实验教学场地。</small>
-           </el-form-item>
+            </el-form-item>
+            <section v-if="constraintForm.coursePracticeHours" class="experiment-classroom-scope">
+              <div class="experiment-classroom-scope__title">实验课指定可用场地</div>
+              <div class="form-grid">
+                <el-form-item label="实验课限定校区">
+                  <el-select v-model="constraintForm.experimentRequiredCampusId" clearable @change="constraintForm.experimentRequiredBuildingId = undefined; constraintForm.allowedExperimentClassroomIds = []">
+                    <el-option v-for="item in campuses" :key="item.id" :label="item.name" :value="item.id" />
+                  </el-select>
+                </el-form-item>
+                <el-form-item label="实验课限定教学楼">
+                  <el-select v-model="constraintForm.experimentRequiredBuildingId" clearable @change="constraintForm.allowedExperimentClassroomIds = []">
+                    <el-option v-for="item in filteredExperimentBuildings" :key="item.id" :label="item.name" :value="item.id" />
+                  </el-select>
+                </el-form-item>
+              </div>
+              <el-form-item label="实验课指定可用场地">
+                <el-select v-model="constraintForm.allowedExperimentClassroomIds" multiple filterable collapse-tags>
+                  <el-option
+                    v-for="item in filteredExperimentClassrooms"
+                    :key="item.id"
+                    :label="`${item.buildingName} / ${item.name}（${item.roomType}，${item.capacity}人）`"
+                    :value="item.id"
+                  />
+                </el-select>
+                <small class="field-hint">可在上方场地性质范围内指定实验室；不选择时按场地性质自动筛选。</small>
+              </el-form-item>
+            </section>
         </template>
         <el-form-item label="允许上课日">
           <el-checkbox-group v-model="constraintForm.allowedDayOfWeeks">
@@ -1291,7 +1400,7 @@ onBeforeUnmount(() => {
             <el-checkbox v-model="constraintBatchForm.updateClassroomScope">
               批量指定教室范围
             </el-checkbox>
-            <div v-if="constraintBatchForm.updateClassroomScope" class="batch-classroom-scope">
+             <div v-if="constraintBatchForm.updateClassroomScope" class="batch-classroom-scope">
               <el-alert
                 title="将统一设置为需要教室；校区、教学楼和教室均不选择时，表示清除原有限定并允许系统自动分配。"
                 type="warning"
@@ -1317,7 +1426,7 @@ onBeforeUnmount(() => {
                     <el-option v-for="item in batchFilteredBuildings" :key="item.id" :label="item.name" :value="item.id" />
                   </el-select>
                 </el-form-item>
-              </div>
+             </div>
               <el-form-item label="统一指定可用教室">
                 <el-select
                   v-model="constraintBatchForm.allowedClassroomIds"
@@ -1337,6 +1446,52 @@ onBeforeUnmount(() => {
               </el-form-item>
             </div>
           </template>
+          <el-checkbox v-model="constraintBatchForm.updateExperimentClassroomScope">
+            批量指定实验课场地
+          </el-checkbox>
+          <div v-if="constraintBatchForm.updateExperimentClassroomScope" class="batch-classroom-scope">
+            <el-alert
+              title="仅作用于含实验学时的教学任务；不选择具体场地时，按场地性质自动分配。"
+              type="warning"
+              :closable="false"
+              show-icon
+            />
+            <el-form-item label="统一实验课允许的场地性质">
+              <el-checkbox-group v-model="constraintBatchForm.allowedExperimentVenueNatures">
+                <el-checkbox v-for="nature in experimentVenueNatures" :key="nature.value" :value="nature.value">{{ nature.label }}</el-checkbox>
+              </el-checkbox-group>
+            </el-form-item>
+            <div class="form-grid">
+              <el-form-item label="统一实验课限定校区">
+                <el-select
+                  v-model="constraintBatchForm.experimentRequiredCampusId"
+                  clearable
+                  @change="constraintBatchForm.experimentRequiredBuildingId = undefined; constraintBatchForm.allowedExperimentClassroomIds = []"
+                >
+                  <el-option v-for="item in campuses" :key="item.id" :label="item.name" :value="item.id" />
+                </el-select>
+              </el-form-item>
+              <el-form-item label="统一实验课限定教学楼">
+                <el-select
+                  v-model="constraintBatchForm.experimentRequiredBuildingId"
+                  clearable
+                  @change="constraintBatchForm.allowedExperimentClassroomIds = []"
+                >
+                  <el-option v-for="item in batchFilteredExperimentBuildings" :key="item.id" :label="item.name" :value="item.id" />
+                </el-select>
+              </el-form-item>
+            </div>
+            <el-form-item label="统一实验课指定可用场地">
+              <el-select v-model="constraintBatchForm.allowedExperimentClassroomIds" multiple filterable collapse-tags placeholder="不选择则允许符合性质的任意实验场地">
+                <el-option
+                  v-for="item in batchFilteredExperimentClassrooms"
+                  :key="item.id"
+                  :label="`${item.buildingName} / ${item.name}（${item.roomType}，${item.capacity}人）`"
+                  :value="item.id"
+                />
+              </el-select>
+            </el-form-item>
+          </div>
           <el-checkbox v-model="constraintBatchForm.updateDays">修改允许上课日</el-checkbox>
           <el-form-item v-if="constraintBatchForm.updateDays" label="统一允许上课日">
             <el-checkbox-group v-model="constraintBatchForm.allowedDayOfWeeks">

web/src/views/WarningsView.vue

@@ -6,7 +6,7 @@ import { useAuthStore } from '../stores/auth'
 import { academicTermLabel, academicTermOptionClass, defaultAcademicTermId } from '../utils/academicTerms'
 
 const auth = useAuthStore()
-const isSuperAdmin = computed(() => auth.user?.roles.includes('SuperAdmin'))
+const isWarningManager = computed(() => auth.user?.roles.some(r => ['SuperAdmin', 'AcademicAdmin'].includes(r)) ?? false)
 const isCounselor = computed(() => auth.user?.roles.includes('Counselor') && !auth.user?.roles.some(r => ['SuperAdmin', 'AcademicAdmin', 'CollegeAdmin'].includes(r)))
 const isStudent = computed(() => auth.user?.roles.includes('Student') && !auth.user?.roles.some(r => ['SuperAdmin', 'AcademicAdmin', 'CollegeAdmin', 'Counselor'].includes(r)))
 
@@ -43,11 +43,11 @@ const ruleRows = reactive([
 async function load() {
   loading.value = true
   try {
-    if (isSuperAdmin.value && termId.value) {
+    if (isWarningManager.value && termId.value) {
       const serverRules = (await http.get('/warnings/rules', { params: { academicTermId: termId.value } })).data
       // Merge server values into reactive rows
       for (const row of ruleRows) {
-        const sr = serverRules.find((r: any) => r.type === row.type)
+        const sr = serverRules.find((r: any) => Number(r.type) === row.type)
         if (sr) {
           row.threshold = sr.threshold
           row.isEnabled = sr.isEnabled
@@ -62,7 +62,7 @@ async function load() {
         }
       }
     }
-    if (isSuperAdmin.value || isCounselor.value)
+    if (isWarningManager.value || isCounselor.value)
       records.value = (await http.get('/warnings/records', { params: { academicTermId: termId.value || undefined, type: filterType.value || undefined } })).data
     if (isStudent.value) myWarnings.value = (await http.get('/warnings/my-warnings')).data
   } catch (e) { ElMessage.error(apiErrorMessage(e)) } finally { loading.value = false }
@@ -72,6 +72,7 @@ async function saveRules() {
   try {
     const payload = ruleRows.map(r => ({ type: r.type, name: r.name, threshold: r.threshold, isEnabled: r.isEnabled, notifyStudent: r.notifyStudent, notifyCounselor: r.notifyCounselor, description: r.description, autoCheckEnabled: r.autoCheckEnabled, checkDayOfWeek: r.checkDayOfWeek, checkHour: r.checkHour, checkMinute: r.checkMinute }))
     await http.put('/warnings/rules', payload, { params: { academicTermId: termId.value } })
+    await load()
     ElMessage.success('预警规则已保存')
   } catch (e) { ElMessage.error(apiErrorMessage(e)) }
 }
@@ -102,7 +103,7 @@ onMounted(async () => {
 <template>
   <div class="page-stack warn-page">
     <section class="page-intro">
-      <div><span class="section-kicker">ACADEMIC WARNING</span><h2>{{ isStudent ? '我的预警' : '学业预警' }}</h2><p>{{ isSuperAdmin ? '配置预警规则，执行检测，查看预警记录。' : isCounselor ? '查看所管学生的学业预警情况。' : '查看并确认您的学业预警通知。' }}</p></div>
+      <div><span class="section-kicker">ACADEMIC WARNING</span><h2>{{ isStudent ? '我的预警' : '学业预警' }}</h2><p>{{ isWarningManager ? '配置预警规则，执行检测，查看预警记录。' : isCounselor ? '查看所管学生的学业预警情况。' : '查看并确认您的学业预警通知。' }}</p></div>
       <div style="display:flex;gap:8px;align-items:center">
         <el-select v-model="termId" clearable @change="load" style="width:240px"><el-option v-for="t in terms" :key="t.id" :label="academicTermLabel(t)" :value="t.id" :class="academicTermOptionClass(t)" /></el-select>
         <el-button :icon="Refresh" @click="load">刷新</el-button>
@@ -110,7 +111,7 @@ onMounted(async () => {
     </section>
 
     <!-- Admin: Rule config -->
-    <section v-if="isSuperAdmin && termId" class="warn-rules">
+    <section v-if="isWarningManager && termId" class="warn-rules">
       <div style="display:flex;justify-content:space-between;align-items:center;margin-bottom:12px">
         <h3 style="margin:0">预警规则配置</h3>
         <div>
@@ -160,7 +161,7 @@ onMounted(async () => {
     </section>
 
     <!-- Records -->
-    <section v-if="isSuperAdmin || isCounselor" v-loading="loading" class="warn-records">
+    <section v-if="isWarningManager || isCounselor" v-loading="loading" class="warn-records">
       <div style="display:flex;gap:12px;align-items:center;margin-bottom:12px">
         <h3 style="margin:0">预警记录</h3>
         <el-select v-model="filterType" clearable placeholder="全部类型" @change="load" style="width:140px"><el-option v-for="(v,k) in typeLabels" :key="k" :label="v" :value="Number(k)" /></el-select>