“教务总览”改成可实际工作的分级工作台：

校级管理员查看全校数据，学院管理员仅查看本学院数据。
待办按当前审批阶段统计，涵盖授课资格、成绩、调停课、学籍异动、教室借用等。
增加学期进度、教学任务发布、课表覆盖、成绩发布状态。
快捷入口根据管理员角色自动调整。
完善未配置学期、无待办、加载失败等状态。
适配桌面和 390px 移动端，无横向溢出。

src/Jiaowu.Api/Controllers/DashboardController.cs

@@ -1,11 +1,10 @@
-using System.Text.Json;
 using Jiaowu.Api.Domain.Academic;
-using Jiaowu.Api.Infrastructure.Caching;
+using Jiaowu.Api.Domain.Identity;
+using Jiaowu.Api.Infrastructure.Auth;
 using Jiaowu.Api.Infrastructure.Persistence;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore;
-using Microsoft.Extensions.Options;
 
 namespace Jiaowu.Api.Controllers;
 
@@ -14,89 +13,301 @@ namespace Jiaowu.Api.Controllers;
 [Route("api/dashboard")]
 public sealed class DashboardController(
     AppDbContext db,
-    IAppCache appCache,
-    IOptions<JsonOptions> jsonOptions) : ControllerBase
+    ICurrentUserDataScope currentUserDataScope) : ControllerBase
 {
     [HttpGet]
-    public async Task<ActionResult<object>> Get(CancellationToken cancellationToken)
+    public async Task<ActionResult<DashboardResponse>> Get(
+        CancellationToken cancellationToken)
     {
-        var response = await appCache.GetOrCreateAsync(
-            AppCacheKeys.Dashboard,
-            LoadAsync,
-            AppCacheProfile.Analytics,
-            [AppCacheTags.Analytics],
-            cancellationToken);
-        return response;
-    }
+        var scope = currentUserDataScope.Current;
+        Guid? restrictedCollegeId = scope.Scope == DataScope.All
+            ? null
+            : scope.CollegeId ?? Guid.Empty;
+        var collegeName = restrictedCollegeId.HasValue &&
+                          restrictedCollegeId.Value != Guid.Empty
+            ? await db.Colleges.AsNoTracking()
+                .Where(x => x.Id == restrictedCollegeId.Value)
+                .Select(x => x.Name)
+                .FirstOrDefaultAsync(cancellationToken)
+            : null;
 
-    private async Task<JsonElement> LoadAsync(CancellationToken cancellationToken)
-    {
         var currentTerm = await db.AcademicTerms
             .AsNoTracking()
             .Where(x => x.IsCurrent)
-            .Select(x => new { x.Id, x.Name, x.StartDate, x.EndDate })
+            .Select(x => new DashboardTerm(
+                x.Id,
+                x.Name,
+                x.StartDate,
+                x.EndDate))
             .FirstOrDefaultAsync(cancellationToken);
+        var currentTermId = currentTerm?.Id;
 
-        return JsonSerializer.SerializeToElement(
-            new
-            {
-                CurrentTerm = currentTerm,
-                Counts = new
-                {
-                    Campuses = await db.Campuses.CountAsync(cancellationToken),
-                    Colleges = await db.Colleges.CountAsync(cancellationToken),
-                    Majors = await db.Majors.CountAsync(cancellationToken),
-                    Classes = await db.AdministrativeClasses.CountAsync(cancellationToken),
-                    Classrooms = await db.Classrooms.CountAsync(cancellationToken),
-                    Teachers = await db.Teachers.CountAsync(cancellationToken),
-                    Students = await db.Students.CountAsync(cancellationToken),
-                    Courses = await db.Courses.CountAsync(cancellationToken),
-                    CurriculumPlans = await db.CurriculumPlans.CountAsync(cancellationToken),
-                    TeachingTasks = await db.TeachingTasks.CountAsync(cancellationToken),
-                    SchedulePlans = await db.SchedulePlans.CountAsync(cancellationToken),
-                    CourseSelectionRounds = await db.CourseSelectionRounds
-                        .CountAsync(cancellationToken),
-                    CourseSelectionOfferings = await db.CourseSelectionOfferings
-                        .CountAsync(cancellationToken),
-                    CourseEnrollments = await db.CourseEnrollments
-                        .CountAsync(
-                            x => x.Status == CourseEnrollmentStatus.Enrolled,
-                            cancellationToken),
-                    GradeSheets = await db.GradeSheets.CountAsync(cancellationToken),
-                    PublishedGradeSheets = await db.GradeSheets.CountAsync(
-                        x => x.Status == GradeSheetStatus.Published,
-                        cancellationToken),
-                    GradeRecords = await db.GradeRecords.CountAsync(cancellationToken),
-                    ExamPlans = await db.ExamPlans.CountAsync(cancellationToken),
-                    ExamSessions = await db.ExamSessions.CountAsync(cancellationToken),
-                    StudentStatusChanges = await db.StudentStatusChanges
-                        .CountAsync(cancellationToken),
-                    PendingStudentStatusChanges = await db.StudentStatusChanges.CountAsync(
-                        x => x.State == StudentStatusChangeState.Submitted ||
-                             x.State == StudentStatusChangeState.CounselorApproved ||
-                             x.State == StudentStatusChangeState.CollegeApproved,
-                        cancellationToken),
-                    GraduationAuditBatches = await db.GraduationAuditBatches
-                        .CountAsync(cancellationToken),
-                    PublishedGraduationAuditBatches = await db.GraduationAuditBatches
-                        .CountAsync(
-                            x => x.Status == GraduationAuditBatchStatus.Published,
-                            cancellationToken),
-                    DegreeAwardBatches = await db.DegreeAwardBatches
-                        .CountAsync(cancellationToken),
-                    PublishedDegreeAwardBatches = await db.DegreeAwardBatches
-                        .CountAsync(
-                            x => x.Status == DegreeAwardBatchStatus.Published,
-                            cancellationToken),
-                    GraduationClearanceBatches = await db.GraduationClearanceBatches
-                        .CountAsync(cancellationToken),
-                    OpenGraduationClearanceBatches = await db.GraduationClearanceBatches
-                        .CountAsync(
-                            x => x.Status == GraduationClearanceBatchStatus.Open,
-                            cancellationToken),
-                    Users = await db.Users.CountAsync(cancellationToken)
-                }
-            },
-            jsonOptions.Value.JsonSerializerOptions);
+        var students = db.Students.AsNoTracking()
+            .Where(x =>
+                !restrictedCollegeId.HasValue ||
+                x.AdministrativeClass!.Major!.CollegeId ==
+                restrictedCollegeId.Value);
+        var teachers = db.Teachers.AsNoTracking()
+            .Where(x =>
+                !restrictedCollegeId.HasValue ||
+                x.CollegeId == restrictedCollegeId.Value);
+        var courses = db.Courses.AsNoTracking()
+            .Where(x =>
+                !restrictedCollegeId.HasValue ||
+                x.CollegeId == restrictedCollegeId.Value);
+        var teachingTasks = db.TeachingTasks.AsNoTracking()
+            .Where(x =>
+                currentTermId.HasValue &&
+                x.AcademicTermId == currentTermId.Value &&
+                (!restrictedCollegeId.HasValue ||
+                 x.Course!.CollegeId == restrictedCollegeId.Value));
+        var gradeSheets = db.GradeSheets.AsNoTracking()
+            .Where(x =>
+                currentTermId.HasValue &&
+                x.TeachingTask!.AcademicTermId == currentTermId.Value &&
+                (!restrictedCollegeId.HasValue ||
+                 x.TeachingTask.Course!.CollegeId ==
+                 restrictedCollegeId.Value));
+        var enrollments = db.CourseEnrollments.AsNoTracking()
+            .Where(x =>
+                currentTermId.HasValue &&
+                x.Status == CourseEnrollmentStatus.Enrolled &&
+                x.CourseSelectionOffering!.CourseSelectionRound!
+                    .AcademicTermId == currentTermId.Value &&
+                (!restrictedCollegeId.HasValue ||
+                 x.CourseSelectionOffering.TeachingTask!.Course!.CollegeId ==
+                 restrictedCollegeId.Value));
+
+        var taskCount = await teachingTasks.CountAsync(cancellationToken);
+        var publishedTaskCount = await teachingTasks.CountAsync(
+            x => x.Status == TeachingTaskStatus.Published,
+            cancellationToken);
+        var scheduledTaskCount = currentTermId.HasValue
+            ? await db.ScheduleEntries.AsNoTracking()
+                .Where(x =>
+                    x.SchedulePlan!.AcademicTermId == currentTermId.Value &&
+                    x.SchedulePlan.Status == SchedulePlanStatus.Published &&
+                    (!restrictedCollegeId.HasValue ||
+                     x.TeachingTask!.Course!.CollegeId ==
+                     restrictedCollegeId.Value))
+                .Select(x => x.TeachingTaskId)
+                .Distinct()
+                .CountAsync(cancellationToken)
+            : 0;
+        var gradeSheetCount = await gradeSheets.CountAsync(cancellationToken);
+        var publishedGradeSheetCount = await gradeSheets.CountAsync(
+            x => x.Status == GradeSheetStatus.Published,
+            cancellationToken);
+
+        var counts = new DashboardCounts(
+            await students.CountAsync(
+                x => x.Status == StudentStatus.Active,
+                cancellationToken),
+            await teachers.CountAsync(
+                x => x.Status == TeacherStatus.Active,
+                cancellationToken),
+            await courses.CountAsync(
+                x => x.IsEnabled,
+                cancellationToken),
+            taskCount,
+            publishedTaskCount,
+            scheduledTaskCount,
+            await enrollments.CountAsync(cancellationToken),
+            gradeSheetCount,
+            publishedGradeSheetCount,
+            await gradeSheets.CountAsync(
+                x => x.Status == GradeSheetStatus.Submitted,
+                cancellationToken),
+            currentTermId.HasValue
+                ? await db.CourseSelectionRounds.AsNoTracking().CountAsync(
+                    x => x.AcademicTermId == currentTermId.Value &&
+                         x.Status == CourseSelectionRoundStatus.Open,
+                    cancellationToken)
+                : 0);
+
+        var pending = await LoadPendingAsync(
+            scope,
+            restrictedCollegeId,
+            cancellationToken);
+
+        return Ok(new DashboardResponse(
+            BuildAudience(scope, collegeName),
+            currentTerm,
+            counts,
+            pending,
+            DateTime.UtcNow));
+    }
+
+    private async Task<DashboardPending> LoadPendingAsync(
+        CurrentUserScope scope,
+        Guid? restrictedCollegeId,
+        CancellationToken cancellationToken)
+    {
+        var isSchoolManager =
+            scope.IsInRole(SystemRoles.SuperAdmin) ||
+            scope.IsInRole(SystemRoles.AcademicAdmin);
+        var isCollegeManager =
+            !isSchoolManager && scope.IsInRole(SystemRoles.CollegeAdmin);
+        if (!isSchoolManager && !isCollegeManager)
+            return new DashboardPending(0, 0, 0, 0, 0, 0, 0);
+
+        var teacherApplications = db.TeacherCourseApplications.AsNoTracking()
+            .Where(x =>
+                x.Status == TeacherCourseApplicationStatus.Pending &&
+                (!restrictedCollegeId.HasValue ||
+                 x.Teacher!.CollegeId == restrictedCollegeId.Value));
+        var gradeSheets = db.GradeSheets.AsNoTracking()
+            .Where(x =>
+                x.Status == GradeSheetStatus.Submitted &&
+                (!restrictedCollegeId.HasValue ||
+                 x.TeachingTask!.Course!.CollegeId ==
+                 restrictedCollegeId.Value));
+        var courseAdjustments = db.CourseAdjustments.AsNoTracking()
+            .Where(x =>
+                x.Status == CourseAdjustmentStatus.Submitted &&
+                (!restrictedCollegeId.HasValue ||
+                 x.TeachingTask!.Course!.CollegeId ==
+                 restrictedCollegeId.Value));
+        var studentStatusChanges = db.StudentStatusChanges.AsNoTracking()
+            .Where(x =>
+                x.State == (isCollegeManager
+                    ? StudentStatusChangeState.CounselorApproved
+                    : StudentStatusChangeState.CollegeApproved) &&
+                (!restrictedCollegeId.HasValue ||
+                 x.Student!.AdministrativeClass!.Major!.CollegeId ==
+                 restrictedCollegeId.Value));
+        var gradeModifications = db.GradeModifications.AsNoTracking()
+            .Where(x =>
+                x.Status == (isCollegeManager
+                    ? GradeModificationStatus.TeacherSubmitted
+                    : GradeModificationStatus.CollegeApproved) &&
+                (!restrictedCollegeId.HasValue ||
+                 x.GradeRecord!.GradeSheet!.TeachingTask!.Course!.CollegeId ==
+                 restrictedCollegeId.Value));
+
+        var generalApprovals =
+            await db.CourseExemptions.AsNoTracking().CountAsync(
+                x => x.Status == ApprovalStatus.Submitted &&
+                     (!restrictedCollegeId.HasValue ||
+                      x.TeachingTask!.Course!.CollegeId ==
+                      restrictedCollegeId.Value),
+                cancellationToken) +
+            await db.DeferredExams.AsNoTracking().CountAsync(
+                x => x.Status == ApprovalStatus.Submitted &&
+                     (!restrictedCollegeId.HasValue ||
+                      x.TeachingTask!.Course!.CollegeId ==
+                      restrictedCollegeId.Value),
+                cancellationToken) +
+            await db.CourseSubstitutions.AsNoTracking().CountAsync(
+                x => x.Status == ApprovalStatus.Submitted &&
+                     (!restrictedCollegeId.HasValue ||
+                      x.Student!.AdministrativeClass!.Major!.CollegeId ==
+                      restrictedCollegeId.Value),
+                cancellationToken) +
+            await db.AttendanceRecords.AsNoTracking().CountAsync(
+                x => x.AppealStatus == AttendanceAppealStatus.Pending &&
+                     (!restrictedCollegeId.HasValue ||
+                      x.Student!.AdministrativeClass!.Major!.CollegeId ==
+                      restrictedCollegeId.Value),
+                cancellationToken);
+
+        var classroomReservations = isCollegeManager &&
+                                    restrictedCollegeId.HasValue
+            ? await db.ClassroomReservations.AsNoTracking().CountAsync(
+                x => x.Status == ClassroomReservationStatus.Submitted &&
+                     x.ApplicantCollegeId == restrictedCollegeId.Value,
+                cancellationToken)
+            : 0;
+
+        return new DashboardPending(
+            await teacherApplications.CountAsync(cancellationToken),
+            await gradeSheets.CountAsync(cancellationToken),
+            await courseAdjustments.CountAsync(cancellationToken),
+            await studentStatusChanges.CountAsync(cancellationToken),
+            await gradeModifications.CountAsync(cancellationToken),
+            classroomReservations,
+            generalApprovals);
+    }
+
+    private static DashboardAudience BuildAudience(
+        CurrentUserScope scope,
+        string? collegeName)
+    {
+        if (scope.IsInRole(SystemRoles.SuperAdmin))
+            return new DashboardAudience(
+                "System",
+                "全域教务工作台",
+                "全校",
+                "统筹基础数据、教学运行与系统治理");
+        if (scope.IsInRole(SystemRoles.AcademicAdmin))
+            return new DashboardAudience(
+                "School",
+                "校级教务工作台",
+                "全校",
+                "聚焦跨学院教学运行与校级审核");
+        if (scope.IsInRole(SystemRoles.CollegeAdmin))
+            return new DashboardAudience(
+                "College",
+                "学院教务工作台",
+                collegeName ?? "本学院",
+                "聚焦本学院教学准备、过程审核与成绩归档");
+        if (scope.IsInRole(SystemRoles.Leader))
+            return new DashboardAudience(
+                "Leadership",
+                "教学运行观察台",
+                "全校",
+                "查看全校教学运行与质量数据");
+        if (scope.IsInRole(SystemRoles.Counselor))
+            return new DashboardAudience(
+                "Counselor",
+                "班级工作台",
+                collegeName ?? "所辖班级",
+                "处理学生过程管理与学业支持");
+        return new DashboardAudience(
+            "Teaching",
+            "教学工作台",
+            collegeName ?? "个人教学",
+            "查看课程运行并进入日常教学工作");
     }
 }
+
+public sealed record DashboardResponse(
+    DashboardAudience Audience,
+    DashboardTerm? CurrentTerm,
+    DashboardCounts Counts,
+    DashboardPending Pending,
+    DateTime GeneratedAt);
+
+public sealed record DashboardAudience(
+    string Level,
+    string Title,
+    string ScopeName,
+    string Description);
+
+public sealed record DashboardTerm(
+    Guid Id,
+    string Name,
+    DateOnly StartDate,
+    DateOnly EndDate);
+
+public sealed record DashboardCounts(
+    int Students,
+    int Teachers,
+    int Courses,
+    int TeachingTasks,
+    int PublishedTeachingTasks,
+    int ScheduledTeachingTasks,
+    int CourseEnrollments,
+    int GradeSheets,
+    int PublishedGradeSheets,
+    int SubmittedGradeSheets,
+    int OpenCourseSelectionRounds);
+
+public sealed record DashboardPending(
+    int TeacherApplications,
+    int GradeSheets,
+    int CourseAdjustments,
+    int StudentStatusChanges,
+    int GradeModifications,
+    int ClassroomReservations,
+    int GeneralApprovals);