Refactor/remove db from cycle manager (#20455)

Signed-off-by: -LAN- <laipz8200@outlook.com>

api/core/rag/models/document.py

@@ -45,13 +45,12 @@ class BaseDocumentTransformer(ABC):
         .. code-block:: python
 
             class EmbeddingsRedundantFilter(BaseDocumentTransformer, BaseModel):
+                model_config = ConfigDict(arbitrary_types_allowed=True)
+
                 embeddings: Embeddings
                 similarity_fn: Callable = cosine_similarity
                 similarity_threshold: float = 0.95
 
-                class Config:
-                    arbitrary_types_allowed = True
-
                 def transform_documents(
                     self, documents: Sequence[Document], **kwargs: Any
                 ) -> Sequence[Document]: