Creates WorkflowEngineDeps asynchronously with auto-detected model adapter.
This function attempts to auto-detect an available model adapter (CLI or API) and configures the workflow engine to use the real StepExecutor with ExpertFactory. Use this when you want production-ready workflow execution with real agent experts.
Optionalconfig: WorkflowEngineFactoryConfigFactory configuration (modelAdapter will be auto-detected if not provided)
Promise resolving to WorkflowEngineDeps
Workflows exports - Workflow engine with parallel execution Split from index.ts for file size compliance (Issue #285)