feat:rag graph conponent

pilot/component.py

@@ -47,6 +47,7 @@ class ComponentType(str, Enum):
     WORKER_MANAGER_FACTORY = "dbgpt_worker_manager_factory"
     MODEL_CONTROLLER = "dbgpt_model_controller"
     EXECUTOR_DEFAULT = "dbgpt_thread_pool_default"
+    RAG_GRAPH_DEFAULT = "dbgpt_rag_engine_default"
 
 
 class BaseComponent(LifeCycle, ABC):

pilot/server/component_configs.py

@@ -28,6 +28,10 @@ def initialize_components(
 
     system_app.register_instance(controller)
 
+    # Register global default RAGGraphFactory
+    from pilot.graph_engine.graph_factory import DefaultRAGGraphFactory
+    system_app.register(DefaultRAGGraphFactory)
+
     _initialize_embedding_model(
         param, system_app, embedding_model_name, embedding_model_path
     )