rename client and move incomplete projects to research

research/rhai_engine_ui/docs/ARCHITECTURE.md

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+# Architecture of the `rhai-engine-ui` Crate
+
+The `rhai-engine-ui` crate provides a web-based user interface for interacting with the rhailib ecosystem, offering both client-side and server-side components for comprehensive Rhai script management and execution.
+
+## Core Architecture
+
+```mermaid
+graph TD
+    A[Web UI] --> B[Client-Side Components]
+    A --> C[Server-Side Components]
+    A --> D[Integration Layer]
+    
+    B --> B1[Yew Frontend]
+    B --> B2[WebAssembly Runtime]
+    B --> B3[Browser Interface]
+    
+    C --> C1[Axum Web Server]
+    C --> C2[Redis Integration]
+    C --> C3[API Endpoints]
+    
+    D --> D1[Task Submission]
+    D --> D2[Real-time Updates]
+    D --> D3[Result Display]
+```
+
+## Key Features
+
+### Frontend (WebAssembly)
+- **Yew Framework**: Modern Rust-based web frontend
+- **Real-time Interface**: Live updates and interactive script execution
+- **Browser Integration**: Native web technologies with Rust performance
+
+### Backend (Optional Server)
+- **Axum Web Server**: High-performance async web server
+- **Redis Integration**: Direct connection to rhailib task queues
+- **API Layer**: RESTful endpoints for task management
+
+### Dual Architecture
+- **Client-Only Mode**: Pure WebAssembly frontend for development
+- **Full-Stack Mode**: Complete web application with server backend
+- **Feature Flags**: Configurable deployment options
+
+## Dependencies
+
+### Frontend Dependencies
+- **Yew**: Component-based web framework
+- **WebAssembly**: Browser runtime for Rust code
+- **Web APIs**: Browser integration and DOM manipulation
+
+### Backend Dependencies (Optional)
+- **Axum**: Modern web framework
+- **Redis**: Task queue integration
+- **Tower**: Middleware and service abstractions
+
+## Deployment Options
+
+The UI can be deployed as a static WebAssembly application for development use or as a full-stack web application with server-side Redis integration for production environments.