v0.4.0

What's New

A2A (Agent-to-Agent) Protocol

• JSON-RPC endpoint (POST /a2a) for standardized agent task handling
• Agent Card generation and /.well-known/agent-card.json discovery endpoint
• Persistent gateway connection with task store and concurrency limits
• Remote Agent Card fetching from discovered instances

Registry Enhancements

• Metadata and agent card summary sent on register/renew

Dashboard

• Embedded Web UI for daemon monitoring

Testing

• Cross-network E2E relay validation script
• A2A integration and edge-case test coverage

Bug Fixes

• Fixed concurrent flushNow() race in A2ATaskStore
• Fixed CardFetcher double-start issue
• Improved relay error handling and debug logging

Full Changelog: https://github.com/SilverstreamsAI/ClawNexus/blob/main/CHANGELOG.md