from pydantic import BaseModel from models.dataset import DocumentSegment class RetrievalChildChunk(BaseModel): """Retrieval segments.""" id: str content: str score: float position: int class RetrievalSegments(BaseModel): """Retrieval segments.""" model_config = {"arbitrary_types_allowed": True} segment: DocumentSegment child_chunks: list[RetrievalChildChunk] | None = None score: float | None = None