fix(editor): fix build errors and refactor behavior-tree architecture (#394)

* docs: add editor-app README with setup instructions

* docs: add separate EN/CN editor setup guides

* fix(editor): fix build errors and refactor behavior-tree architecture

- Fix fairygui-editor tsconfig extends path and add missing tsconfig.build.json
- Refactor behavior-tree-editor to not depend on asset-system in runtime
  - Create local BehaviorTreeRuntimeModule for pure runtime logic
  - Move asset loader registration to editor module install()
  - Add BehaviorTreeLoader for asset system integration
- Fix rapier2d WASM loader to not pass arguments to init()
- Add WASM base64 loader config to rapier2d tsup.config
- Update README documentation and simplify setup steps

packages/editor/editor-app/README.md

@@ -0,0 +1,86 @@
+# ESEngine Editor
+
+A cross-platform desktop visual editor built with Tauri 2.x + React 18.
+
+## Prerequisites
+
+Before running the editor, ensure you have the following installed:
+
+- **Node.js** >= 18.x
+- **pnpm** >= 10.x
+- **Rust** >= 1.70 (for Tauri)
+- **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)
+
+## Quick Start
+
+### 1. Clone and Install
+
+```bash
+git clone https://github.com/esengine/esengine.git
+cd esengine
+pnpm install
+```
+
+### 2. Build Dependencies
+
+From the project root:
+
+```bash
+pnpm build:editor
+```
+
+### 3. Run Editor
+
+```bash
+cd packages/editor/editor-app
+pnpm tauri:dev
+```
+
+## Available Scripts
+
+| Script | Description |
+|--------|-------------|
+| `pnpm tauri:dev` | Run editor in development mode with hot-reload |
+| `pnpm tauri:build` | Build production application |
+| `pnpm build:sdk` | Build editor-runtime SDK |
+
+## Project Structure
+
+```
+editor-app/
+├── src/                    # React application source
+│   ├── components/         # UI components
+│   ├── panels/             # Editor panels
+│   └── services/           # Core services
+├── src-tauri/              # Tauri (Rust) backend
+├── public/                 # Static assets
+└── scripts/                # Build scripts
+```
+
+## Troubleshooting
+
+### Build Errors
+
+```bash
+pnpm clean
+pnpm install
+pnpm build:editor
+```
+
+### Rust/Tauri Errors
+
+```bash
+rustup update
+```
+
+## Documentation
+
+- [ESEngine Documentation](https://esengine.cn/)
+- [Tauri Documentation](https://tauri.app/)
+
+## License
+
+MIT License