chore: add ast-grep rule to convert Optional[T] to T | None (#25560)

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

api/core/rag/embedding/cached_embedding.py

@@ -1,6 +1,6 @@
 import base64
 import logging
-from typing import Any, Optional, cast
+from typing import Any, cast
 
 import numpy as np
 from sqlalchemy.exc import IntegrityError
@@ -20,7 +20,7 @@ logger = logging.getLogger(__name__)
 
 
 class CacheEmbedding(Embeddings):
-    def __init__(self, model_instance: ModelInstance, user: Optional[str] = None):
+    def __init__(self, model_instance: ModelInstance, user: str | None = None):
         self._model_instance = model_instance
         self._user = user
 

api/core/rag/embedding/retrieval.py

@@ -1,5 +1,3 @@
-from typing import Optional
-
 from pydantic import BaseModel
 
 from models.dataset import DocumentSegment
@@ -19,5 +17,5 @@ class RetrievalSegments(BaseModel):
 
     model_config = {"arbitrary_types_allowed": True}
     segment: DocumentSegment
-    child_chunks: Optional[list[RetrievalChildChunk]] = None
-    score: Optional[float] = None
+    child_chunks: list[RetrievalChildChunk] | None = None
+    score: float | None = None