feat: unify string quotes and enhance WebSocket message handling with skill snapshot injection

feat: implement skills system with loading, filtering, and snapshot management

feat: add initial implementation of skills module

feat: add comprehensive documentation for OpenClaw Skills architecture

feat: add file attachment support with preview and upload functionality

feat: enhance chat component with WebSocket support and debugging configurations

feat: implement chat component and layout styles

chore: add pnpm workspace configuration and fix import extension in OpenAI HTTP gateway

feat: initialize server package with TypeScript setup and WebSocket gateway

Implement initial project structure and setup

Initial commit