@dpskh/a2a: Agent2Agent Real-Time Mesh Plugin for DeepSeek Harness

@dpskh/a2a is an Agent2Agent real-time collaboration plugin for DeepSeek Harness, designed to simplify the discovery, communication, and history querying of multiple agents within a single project. This plugin integrates Hub and Mesh Client functionalities: the Hub provides a project registry, immutable message history, and WebSocket support, featuring idempotent message handling and a 4 MiB attachment budget; the Mesh Client maintains WebSocket connections for online agents and serially injects messages. The plugin offers model tools such as `a2a_peers`, `a2a_message`, and `a2a_history`, along with command-line interfaces like `/a2a connect` and `/a2a status`, supporting...