feat: implement QuestionBank CRUD with pagination and template query

- Add pagination support to findAll (page, limit query params)
- Add findByTemplateId method to service
- Add GET /by-template/:templateId endpoint to controller
- Service already includes CRUD for QuestionBank and QuestionBankItem

server/src/assessment/assessment.module.ts

@@ -0,0 +1,55 @@
+import { Module, forwardRef } from '@nestjs/common';
+import { TypeOrmModule } from '@nestjs/typeorm';
+import { AssessmentService } from './assessment.service';
+import { AssessmentController } from './assessment.controller';
+import { AssessmentSession } from './entities/assessment-session.entity';
+import { AssessmentQuestion } from './entities/assessment-question.entity';
+import { AssessmentAnswer } from './entities/assessment-answer.entity';
+import { AssessmentTemplate } from './entities/assessment-template.entity';
+import { AssessmentCertificate } from './entities/assessment-certificate.entity';
+import { QuestionBank } from './entities/question-bank.entity';
+import { QuestionBankItem } from './entities/question-bank-item.entity';
+import { KnowledgeBaseModule } from '../knowledge-base/knowledge-base.module';
+import { KnowledgeGroupModule } from '../knowledge-group/knowledge-group.module';
+import { ModelConfigModule } from '../model-config/model-config.module';
+import { ChatModule } from '../chat/chat.module';
+import { ElasticsearchModule } from '../elasticsearch/elasticsearch.module';
+import { RagModule } from '../rag/rag.module';
+import { TenantModule } from '../tenant/tenant.module';
+import { TemplateService } from './services/template.service';
+import { TemplateController } from './controllers/template.controller';
+import { QuestionBankController } from './controllers/question-bank.controller';
+import { ContentFilterService } from './services/content-filter.service';
+import { QuestionOutlineService } from './services/question-outline.service';
+import { QuestionBankService } from './services/question-bank.service';
+
+@Module({
+  imports: [
+    TypeOrmModule.forFeature([
+      AssessmentSession,
+      AssessmentQuestion,
+      AssessmentAnswer,
+      AssessmentTemplate,
+      AssessmentCertificate,
+      QuestionBank,
+      QuestionBankItem,
+    ]),
+    forwardRef(() => KnowledgeBaseModule),
+    forwardRef(() => KnowledgeGroupModule),
+    forwardRef(() => ModelConfigModule),
+    forwardRef(() => ChatModule),
+    ElasticsearchModule,
+    RagModule,
+    TenantModule,
+  ],
+  controllers: [AssessmentController, TemplateController, QuestionBankController],
+  providers: [
+    AssessmentService,
+    TemplateService,
+    ContentFilterService,
+    QuestionOutlineService,
+    QuestionBankService,
+  ],
+  exports: [AssessmentService, TemplateService, QuestionOutlineService, QuestionBankService],
+})
+export class AssessmentModule {}