fix: 代码整合修复 - Entity类型、题库生成、评估流程等14项修复

server/src/assessment/entities/assessment-template.entity.ts

@@ -97,6 +97,12 @@ export class AssessmentTemplate {
   @Column({ type: 'int', name: 'passing_score', default: 90 })
   passingScore: number;
 
+  @Column({ type: 'int', name: 'total_time_limit', default: 1800 })
+  totalTimeLimit: number;
+
+  @Column({ type: 'int', name: 'per_question_time_limit', default: 300 })
+  perQuestionTimeLimit: number;
+
   @CreateDateColumn({ name: 'created_at' })
   createdAt: Date;