feat(entities): 集成 MikroORM 并配置实体文件规则

- 添加 MikroORM CLI 和实体生成器依赖包
- 配置 ESLint 规则以适配 MikroORM 生成的实体文件
- 添加 mikro-orm 和 generate-entities 命令脚本
- 更新 pnpm 锁定文件包含新依赖项
- 移除手动创建的 meeting-user 实体文件，改用 ORM 自动生成

node_api/src/entities/IcrKnowledgepoint.ts

@@ -0,0 +1,42 @@
+import { PrimaryKeyProp, defineEntity, p } from '@mikro-orm/core';
+
+export class IcrKnowledgepoint {
+  [PrimaryKeyProp]?: 'Id';
+  Id!: bigint;
+  GradeLevel!: bigint;
+  SubjectId!: bigint;
+  Name?: string;
+  Color?: string;
+  ParentId!: bigint;
+  Level!: number;
+  Sort!: number;
+  Type!: number;
+  Revision!: number;
+  CreatedBy?: bigint;
+  CreatedTime!: Date;
+  UpdatedBy?: bigint;
+  UpdatedTime?: Date;
+  IsDeleted!: unknown;
+}
+
+export const IcrKnowledgepointSchema = defineEntity({
+  class: IcrKnowledgepoint,
+  comment: '知识点;',
+  properties: {
+    Id: p.bigint().primary().name('Id').unsigned(false).autoincrement(false).comment('主键Id'),
+    GradeLevel: p.bigint().name('GradeLevel').comment('年级'),
+    SubjectId: p.bigint().name('SubjectId').comment('学科Id').index('idx_ICR_KnowledgePoint_01'),
+    Name: p.string().name('Name').nullable().comment('名称').index('idx_ICR_KnowledgePoint_03'),
+    Color: p.string().name('Color').nullable().comment('颜色'),
+    ParentId: p.bigint().name('ParentId').comment('父Id').index('idx_ICR_KnowledgePoint_02'),
+    Level: p.integer().name('Level').comment('级别'),
+    Sort: p.integer().name('Sort').comment('排序'),
+    Type: p.integer().name('Type').comment('分类(1-知识点 2-方法)'),
+    Revision: p.integer().name('Revision').comment('乐观锁'),
+    CreatedBy: p.bigint().name('CreatedBy').nullable().comment('创建者用户Id'),
+    CreatedTime: p.datetime().name('CreatedTime').length(3).comment('创建时间'),
+    UpdatedBy: p.bigint().name('UpdatedBy').nullable().comment('修改者用户Id'),
+    UpdatedTime: p.datetime().name('UpdatedTime').length(3).nullable().comment('修改时间'),
+    IsDeleted: p.array().name('IsDeleted').comment('是否删除'),
+  },
+});