- Translated and updated the README.md to provide a clearer overview of PicoBot's functionality and architecture in Chinese.
- Added a new SVG diagram for message flow to illustrate the process from user input through various components back to the channel.
- Created a new SVG diagram for runtime architecture to depict the high-level structure of PicoBot, including channels, gateway, message bus, session manager, agent loop, tools, providers, storage, scheduler, skills, and MCP.