@ryubyte/dsh-a2a: A Dual-End Agent2Agent Protocol Plugin for DeepSeek Harness

The `@ryubyte/dsh-a2a` plugin provides comprehensive Agent2Agent (A2A) v1.0 protocol support for DeepSeek Harness (DSH), aiming to enable standardized bidirectional communication between DSH instances and other agents. The plugin includes the following key features: as a client, it can discover and invoke remote agent skills via AgentCard; as a server, it exposes JSON-RPC/SSE interfaces to provide services. It also supports Bearer Token authentication, task lifecycle management, and a visual configuration panel. Installation is straightforward: outbound connections or inbound services can be enabled through configuration files or the Web UI, making it suitable for building multi-agent collaboration systems.