feat: 添加学生提交系统功能

- 添加学生提交管理服务 (StudentSubmissionService, StudentSubmissionDetailService)
- 新增学生提交相关控制器 (StudentSubmissionController, StudentSubmissionDetailController)
- 添加学生提交数据传输对象 (StudentSubmissionDetailDto, StudentSubmissionSummaryDto)
- 新增学生提交相关页面组件 (StudentExamView, ExamDetailView, StudentCard等)
- 添加学生提交信息卡片组件 (SubmissionInfoCard, TeacherSubmissionInfoCard)
- 更新数据库迁移文件以支持提交系统

TechHelper.Server/Program.cs

@@ -35,8 +35,10 @@ builder.Services.AddDbContext<ApplicationContext>(options =>
 .AddCustomRepository<Question, QuestionRepository>()
 .AddCustomRepository<QuestionContext, QuestionContextRepository>()
 .AddCustomRepository<Submission, SubmissionRepository>()
+.AddCustomRepository<User, UserRepository>()
 .AddCustomRepository<Global, GlobalRepository>();
 
+
 builder.Services.AddAutoMapper(typeof(AutoMapperProFile).Assembly);
 
 // 3. 配置服务 (IOptions)
@@ -90,6 +92,8 @@ builder.Services.AddScoped<IClassService, ClassService>();
 builder.Services.AddScoped<IExamService, ExamService>();
 builder.Services.AddScoped<IUserSerivces, UserServices>();
 builder.Services.AddScoped<ISubmissionServices, SubmissionServices>();
+builder.Services.AddScoped<IStudentSubmissionService, StudentSubmissionService>();
+builder.Services.AddScoped<IStudentSubmissionDetailService, StudentSubmissionDetailService>();
 builder.Services.AddScoped<IExamRepository, ExamRepository>();	
 builder.Services.AddScoped<INoteService, NoteService>();