refactor: 重命名SDK为iflow-engine，使用npm包引入第三方引擎

- 将包名从 @fishdingding/bim-engine-sdk 改为 iflow-engine
- 将构建输出文件从 bim-engine-sdk.*.js 改为 iflow-engine.*.js
- 将全局变量从 LyzBimEngineSDK 改为 IflowEngine
- 将第三方引擎SDK从本地引入改为npm包引入 (iflow-engine-base)
- 移除本地 src/engine_base 目录，移至回收站
- 更新所有文档和demo中的引用

README.md

@@ -1,4 +1,4 @@
-# BIM Engine SDK
+# iFlow Engine
 
 > 一个功能强大的 BIM（建筑信息模型）引擎 SDK，提供 3D 可视化、构件管理、测量工具、剖切功能和漫游控制等完整功能。支持 Vue 2、Vue 3、React 和原生 HTML 等多种前端框架。
 
@@ -21,14 +21,14 @@
 ## 📦 安装
 
 ```bash
-npm install bim-engine-sdk
+npm install iflow-engine
 ```
 
 或使用 yarn/pnpm:
 
 ```bash
-yarn add bim-engine-sdk
-pnpm add bim-engine-sdk
+yarn add iflow-engine
+pnpm add iflow-engine
 ```
 
 ## 🚀 快速开始
@@ -42,7 +42,7 @@ pnpm add bim-engine-sdk
 
 <script setup lang="ts">
 import { ref, onMounted, onUnmounted } from 'vue';
-import { BimEngine } from 'bim-engine-sdk';
+import { BimEngine } from 'iflow-engine';
 
 const containerRef = ref<HTMLElement>();
 let bimEngine: BimEngine | null = null;
@@ -93,7 +93,7 @@ onUnmounted(() => {
 
 ```tsx
 import { useEffect, useRef } from 'react';
-import { BimEngine } from 'bim-engine-sdk';
+import { BimEngine } from 'iflow-engine';
 
 function App() {
   const containerRef = useRef<HTMLDivElement>(null);
@@ -150,10 +150,10 @@ export default App;
   <div id="container"></div>
 
   <!-- 使用 UMD 版本 -->
-  <script src="./node_modules/bim-engine-sdk/dist/bim-engine-sdk.umd.js"></script>
+  <script src="./node_modules/iflow-engine/dist/iflow-engine.umd.js"></script>
   <script>
     const container = document.getElementById('container');
-    const bimEngine = new BimEngineSdk.BimEngine(container, {
+    const bimEngine = new IflowEngine.BimEngine(container, {
       locale: 'zh-CN',
       theme: 'dark'
     });
@@ -229,7 +229,7 @@ BIM Engine SDK 采用 **管理器模式 (Manager Pattern)** 作为核心架构,
 ## 📁 项目结构
 
 ```
-bim-engine-sdk/
+iflow-engine/
 ├── src/                          # 源代码
 │   ├── bim-engine.ts             # 主引擎类
 │   ├── index.ts                  # 入口文件
@@ -271,8 +271,8 @@ bim-engine-sdk/
 │   │   └── icon-manager.ts       # 图标管理器
 │   └── assets/                   # 静态资源
 ├── dist/                         # 构建产物
-│   ├── bim-engine-sdk.es.js      # ESM 格式
-│   ├── bim-engine-sdk.umd.js     # UMD 格式
+│   ├── iflow-engine.es.js      # ESM 格式
+│   ├── iflow-engine.umd.js     # UMD 格式
 │   └── index.d.ts                # TypeScript 类型定义
 ├── demo/                         # HTML Demo
 ├── demo-vue/                     # Vue Demo
@@ -437,8 +437,8 @@ npm run dev:demo-vue
 
 运行 `npm run build` 后,会在 `dist/` 目录生成:
 
-- `bim-engine-sdk.es.js` - ESM 格式 (用于现代打包工具)
-- `bim-engine-sdk.umd.js` - UMD 格式 (用于浏览器直接引入)
+- `iflow-engine.es.js` - ESM 格式 (用于现代打包工具)
+- `iflow-engine.umd.js` - UMD 格式 (用于浏览器直接引入)
 - `index.d.ts` - TypeScript 类型定义
 - `*.css` - 样式文件 (已内联注入到 JS 中)
 
@@ -446,14 +446,14 @@ npm run dev:demo-vue
 
 ```json
 {
-  "main": "./dist/bim-engine-sdk.umd.js",
-  "module": "./dist/bim-engine-sdk.es.js",
+  "main": "./dist/iflow-engine.umd.js",
+  "module": "./dist/iflow-engine.es.js",
   "types": "./dist/index.d.ts",
   "exports": {
     ".": {
       "types": "./dist/index.d.ts",
-      "import": "./dist/bim-engine-sdk.es.js",
-      "require": "./dist/bim-engine-sdk.umd.js"
+      "import": "./dist/iflow-engine.es.js",
+      "require": "./dist/iflow-engine.umd.js"
     }
   }
 }
@@ -544,7 +544,7 @@ ISC License
 
 如有问题或建议,请通过以下方式联系:
 
-- 提交 [Issue](https://github.com/your-repo/bim-engine-sdk/issues)
+- 提交 [Issue](https://github.com/your-repo/iflow-engine/issues)
 - 发送邮件至 your-email@example.com
 
 ---