- Update backtest-data-collection-infrastructure roadmap
- Archive completed 02+01_storage_bar_selector task files
- Refactor bar_source, engine, and related tests in worker service
- Add backtest proto definitions with selector and state types
- Update domain types for backtest session and configuration
- Implement backtest selector flow for data range input
- Add CLI operator client and handoff test coverage
- Update generated code for proto changes
- Add worker socket backtest mapping implementations
- Include agent-task for milestone tracking
