docs(editor): improve editor-app build documentation and add build:rapier2d script

- Add `pnpm build:rapier2d` command to automate Rapier2D WASM build process
- Fix gen-src.mjs path to correctly locate thirdparty/rapier.js
- Update init.ts to work with new wasm-pack web target (auto-initialization)
- Fix behavior-tree-editor build config for asset-system dependency
- Update README_CN.md and README.md with simplified build instructions

packages/editor/editor-app/README.md

@@ -8,12 +8,23 @@ Before running the editor, ensure you have the following installed:
 
 - **Node.js** >= 18.x
 - **pnpm** >= 10.x
-- **Rust** >= 1.70 (for Tauri)
+- **Rust** >= 1.70 (for Tauri and WASM builds)
+- **wasm-pack** (for building Rapier2D physics engine)
 - **Platform-specific dependencies**:
   - **Windows**: Microsoft Visual Studio C++ Build Tools
   - **macOS**: Xcode Command Line Tools (`xcode-select --install`)
   - **Linux**: See [Tauri prerequisites](https://tauri.app/v1/guides/getting-started/prerequisites)
 
+### Installing wasm-pack
+
+```bash
+# Using cargo
+cargo install wasm-pack
+
+# Or using the official installer script (Linux/macOS)
+curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
+```
+
 ## Quick Start
 
 ### 1. Clone and Install
@@ -24,7 +35,23 @@ cd esengine
 pnpm install
 ```
 
-### 2. Build Dependencies
+### 2. Build Rapier2D WASM
+
+The editor depends on Rapier2D physics engine WASM artifacts. First-time setup only requires one command:
+
+```bash
+pnpm build:rapier2d
+```
+
+This command automatically:
+1. Prepares the Rust project
+2. Builds WASM
+3. Copies artifacts to `packages/physics/rapier2d/pkg`
+4. Generates TypeScript source code
+
+> **Note**: Requires Rust and wasm-pack to be installed.
+
+### 3. Build Editor
 
 From the project root:
 
@@ -32,7 +59,7 @@ From the project root:
 pnpm build:editor
 ```
 
-### 3. Run Editor
+### 4. Run Editor
 
 ```bash
 cd packages/editor/editor-app
@@ -43,6 +70,8 @@ pnpm tauri:dev
 
 | Script | Description |
 |--------|-------------|
+| `pnpm build:rapier2d` | Build Rapier2D WASM (required for first-time setup) |
+| `pnpm build:editor` | Build editor and all dependencies |
 | `pnpm tauri:dev` | Run editor in development mode with hot-reload |
 | `pnpm tauri:build` | Build production application |
 | `pnpm build:sdk` | Build editor-runtime SDK |
@@ -62,6 +91,17 @@ editor-app/
 
 ## Troubleshooting
 
+### Rapier2D WASM Build Failed
+
+**Error**: `Could not resolve "../pkg/rapier_wasm2d"`
+
+**Cause**: Missing Rapier2D WASM artifacts.
+
+**Solution**:
+1. Ensure `wasm-pack` is installed: `cargo install wasm-pack`
+2. Run `pnpm build:rapier2d`
+3. Verify `packages/physics/rapier2d/pkg/` directory exists and contains `rapier_wasm2d_bg.wasm` file
+
 ### Build Errors
 
 ```bash
@@ -76,6 +116,12 @@ pnpm build:editor
 rustup update
 ```
 
+### Windows Users Building WASM
+
+The `pnpm build:rapier2d` script works directly on Windows. If you encounter issues:
+1. Use Git Bash or WSL
+2. Or download pre-built WASM artifacts from [Releases](https://github.com/esengine/esengine/releases)
+
 ## Documentation
 
 - [ESEngine Documentation](https://esengine.cn/)

packages/editor/editor-app/README_CN.md

@@ -8,12 +8,23 @@
 
 - **Node.js** >= 18.x
 - **pnpm** >= 10.x
-- **Rust** >= 1.70 (Tauri 需要)
+- **Rust** >= 1.70 (Tauri 和 WASM 构建需要)
+- **wasm-pack** (构建 Rapier2D 物理引擎需要)
 - **平台相关依赖**：
   - **Windows**: Microsoft Visual Studio C++ Build Tools
   - **macOS**: Xcode Command Line Tools (`xcode-select --install`)
   - **Linux**: 参考 [Tauri 环境配置](https://tauri.app/v1/guides/getting-started/prerequisites)
 
+### 安装 wasm-pack
+
+```bash
+# 使用 cargo 安装
+cargo install wasm-pack
+
+# 或使用官方安装脚本 (Linux/macOS)
+curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
+```
+
 ## 快速开始
 
 ### 1. 克隆并安装
@@ -24,7 +35,23 @@ cd esengine
 pnpm install
 ```
 
-### 2. 构建依赖
+### 2. 构建 Rapier2D WASM
+
+编辑器依赖 Rapier2D 物理引擎的 WASM 产物。首次构建只需执行一条命令：
+
+```bash
+pnpm build:rapier2d
+```
+
+该命令会自动完成以下步骤：
+1. 准备 Rust 项目
+2. 构建 WASM
+3. 复制产物到 `packages/physics/rapier2d/pkg`
+4. 生成 TypeScript 源码
+
+> **注意**：需要已安装 Rust 和 wasm-pack。
+
+### 3. 构建编辑器
 
 在项目根目录执行：
 
@@ -32,7 +59,7 @@ pnpm install
 pnpm build:editor
 ```
 
-### 3. 启动编辑器
+### 4. 启动编辑器
 
 ```bash
 cd packages/editor/editor-app
@@ -43,6 +70,8 @@ pnpm tauri:dev
 
 | 脚本 | 说明 |
 |------|------|
+| `pnpm build:rapier2d` | 构建 Rapier2D WASM（首次构建必须执行）|
+| `pnpm build:editor` | 构建编辑器及所有依赖 |
 | `pnpm tauri:dev` | 开发模式运行编辑器（支持热重载）|
 | `pnpm tauri:build` | 构建生产版本应用 |
 | `pnpm build:sdk` | 构建 editor-runtime SDK |
@@ -62,6 +91,17 @@ editor-app/
 
 ## 常见问题
 
+### Rapier2D WASM 构建失败
+
+**错误**: `Could not resolve "../pkg/rapier_wasm2d"`
+
+**原因**: 缺少 Rapier2D 的 WASM 产物。
+
+**解决方案**:
+1. 确保已安装 `wasm-pack`：`cargo install wasm-pack`
+2. 执行 `pnpm build:rapier2d`
+3. 确认 `packages/physics/rapier2d/pkg/` 目录存在且包含 `rapier_wasm2d_bg.wasm` 文件
+
 ### 构建错误
 
 ```bash
@@ -76,6 +116,12 @@ pnpm build:editor
 rustup update
 ```
 
+### Windows 用户构建 WASM
+
+`pnpm build:rapier2d` 脚本在 Windows 上可以直接运行。如果遇到问题：
+1. 使用 Git Bash 或 WSL
+2. 或从 [Releases](https://github.com/esengine/esengine/releases) 下载预编译的 WASM 产物
+
 ## 文档
 
 - [ESEngine 文档](https://esengine.cn/)

packages/editor/plugins/behavior-tree-editor/tsconfig.build.json

@@ -8,7 +8,10 @@
         "rootDir": "./src",
         "jsx": "react-jsx",
         "skipLibCheck": true,
-        "moduleResolution": "bundler"
+        "moduleResolution": "bundler",
+        "paths": {
+            "@esengine/asset-system": ["../../../engine/asset-system/src"]
+        }
     },
     "include": ["src/**/*"],
     "exclude": ["node_modules", "dist", "**/*.test.ts"]

packages/editor/plugins/behavior-tree-editor/tsup.config.ts

@@ -2,8 +2,7 @@ import { defineConfig } from 'tsup';
 import { editorOnlyPreset } from '../../../tools/build-config/src/presets/plugin-tsup';
 
 export default defineConfig({
-    ...editorOnlyPreset({
-        external: ['@esengine/asset-system']
-    }),
-    tsconfig: 'tsconfig.build.json'
+    ...editorOnlyPreset({}),
+    tsconfig: 'tsconfig.build.json',
+    noExternal: ['@esengine/asset-system']
 });