The Next.js SWC binary requires libc6-compat on Alpine Linux.
It was only installed in the deps stage but not the builder stage,
causing build failures on fresh (no-cache) Docker builds.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- Remove Address field from PartyEndpoint (parties connect to router themselves)
- Update K8s Discovery to only manage PartyID and Role labels
- Add Party registration and SessionEvent protobuf definitions
- Implement PartyRegistry and SessionEventBroadcaster domain logic
- Add RegisterParty and SubscribeSessionEvents gRPC handlers
- Prepare infrastructure for party-driven MPC coordination
This is the first phase of migrating from coordinator-driven to party-driven
architecture following international MPC system design patterns.