fix(classes): 修复依赖注入与 ESM 导入路径

- classes.module.ts: 移除 useFactory，改用直接 provider 注册

- classes.service.ts: 添加 @Inject 装饰器显式注入 Repository

- health.module.ts: 修复 import 添加 .js 后缀（ESM 模式）

- package.json: 补充 ioredis/kafkajs/typeform 等运行时依赖

services/classes/src/classes/classes.module.ts

@@ -1,16 +1,10 @@
-import { Module } from '@nestjs/common';
-import { ClassesController } from './classes.controller.js';
-import { ClassesService } from './classes.service.js';
-import { ClassesRepository } from './classes.repository.js';
+import { Module } from "@nestjs/common";
+import { ClassesController } from "./classes.controller.js";
+import { ClassesService } from "./classes.service.js";
+import { ClassesRepository } from "./classes.repository.js";
 
 @Module({
   controllers: [ClassesController],
-  providers: [
-    ClassesService,
-    {
-      provide: ClassesRepository,
-      useFactory: () => new ClassesRepository(),
-    },
-  ],
+  providers: [ClassesService, ClassesRepository],
 })
 export class ClassesModule {}

services/classes/src/classes/classes.service.ts

@@ -1,11 +1,17 @@
-import { v4 as uuidv4 } from 'uuid';
-import { ClassesRepository } from './classes.repository.js';
-import { ValidationError, NotFoundError } from '../shared/errors/application-error.js';
-import type { CreateClassDto, UpdateClassDto } from './classes.dto.js';
-import type { Class, NewClass } from './classes.schema.js';
+import { v4 as uuidv4 } from "uuid";
+import { Inject } from "@nestjs/common";
+import { ClassesRepository } from "./classes.repository.js";
+import {
+  ValidationError,
+  NotFoundError,
+} from "../shared/errors/application-error.js";
+import type { CreateClassDto, UpdateClassDto } from "./classes.dto.js";
+import type { Class, NewClass } from "./classes.schema.js";
 
 export class ClassesService {
-  constructor(private readonly repository: ClassesRepository) {}
+  constructor(
+    @Inject(ClassesRepository) private readonly repository: ClassesRepository,
+  ) {}
 
   async create(dto: CreateClassDto): Promise<Class> {
     const newClass: NewClass = {
@@ -18,7 +24,7 @@ export class ClassesService {
   async getById(id: string): Promise<Class> {
     const result = await this.repository.findById(id);
     if (!result) {
-      throw new NotFoundError('Class', id);
+      throw new NotFoundError("Class", id);
     }
     return result;
   }
@@ -29,11 +35,11 @@ export class ClassesService {
 
   async update(id: string, dto: UpdateClassDto): Promise<Class> {
     if (Object.keys(dto).length === 0) {
-      throw new ValidationError('No fields to update');
+      throw new ValidationError("No fields to update");
     }
     const result = await this.repository.update(id, dto);
     if (!result) {
-      throw new NotFoundError('Class', id);
+      throw new NotFoundError("Class", id);
     }
     return result;
   }
@@ -41,7 +47,7 @@ export class ClassesService {
   async delete(id: string): Promise<void> {
     const existing = await this.repository.findById(id);
     if (!existing) {
-      throw new NotFoundError('Class', id);
+      throw new NotFoundError("Class", id);
     }
     await this.repository.delete(id);
   }

services/classes/src/shared/health/health.module.ts

@@ -1,5 +1,5 @@
-import { Module } from '@nestjs/common';
-import { HealthController } from './health.controller';
+import { Module } from "@nestjs/common";
+import { HealthController } from "./health.controller.js";
 
 /**
  * 健康检查模块。