- 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 parser map for contract type resolution
- Update socket handlers with new message routing
- Add parser map tests
- Remove outdated code review and plan docs for G07
