- Added `use_markdown` parameter to `send_proactive_c2c_message` and `send_proactive_group_message` for Markdown formatting.
- Implemented methods to escape Markdown characters and format messages accordingly.
- Introduced image size detection for Markdown image rendering.
- Updated message sending logic to fallback to plain text if Markdown is unsupported.
- Added QQ Bot notification module to facilitate proactive message sending and message reception via Gateway.
- Implemented API functions for sending C2C and group messages.
- Established WebSocket client for real-time message handling.
- Updated requirements to include websocket-client dependency.
- Enhanced schemas to support QQ channel capabilities and notification configurations.