- Add backtest and market socket handlers for API and Worker
- Add proto definitions for backtest and market services
- Update client socket integration and tests
- Generate protobuf code for Go and Dart
- Archive completed agent tasks under agent-task/archive/2026/05/
- Add proto files for backtest and market domains
- Generate Go code in packages/contracts/gen/go
- Generate Dart code in apps/client/lib/src/generated
- Add contracts-gen and contracts-check binaries
- Update pubspec.yaml with protoc dependencies
- Update go.work with new module