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/entities/citation_metadata.py

@@ -1,23 +1,23 @@
-from typing import Any, Optional
+from typing import Any
 
 from pydantic import BaseModel
 
 
 class RetrievalSourceMetadata(BaseModel):
-    position: Optional[int] = None
-    dataset_id: Optional[str] = None
-    dataset_name: Optional[str] = None
-    document_id: Optional[str] = None
-    document_name: Optional[str] = None
-    data_source_type: Optional[str] = None
-    segment_id: Optional[str] = None
-    retriever_from: Optional[str] = None
-    score: Optional[float] = None
-    hit_count: Optional[int] = None
-    word_count: Optional[int] = None
-    segment_position: Optional[int] = None
-    index_node_hash: Optional[str] = None
-    content: Optional[str] = None
-    page: Optional[int] = None
-    doc_metadata: Optional[dict[str, Any]] = None
-    title: Optional[str] = None
+    position: int | None = None
+    dataset_id: str | None = None
+    dataset_name: str | None = None
+    document_id: str | None = None
+    document_name: str | None = None
+    data_source_type: str | None = None
+    segment_id: str | None = None
+    retriever_from: str | None = None
+    score: float | None = None
+    hit_count: int | None = None
+    word_count: int | None = None
+    segment_position: int | None = None
+    index_node_hash: str | None = None
+    content: str | None = None
+    page: int | None = None
+    doc_metadata: dict[str, Any] | None = None
+    title: str | None = None

api/core/rag/entities/context_entities.py

@@ -1,5 +1,3 @@
-from typing import Optional
-
 from pydantic import BaseModel
 
 
@@ -9,4 +7,4 @@ class DocumentContext(BaseModel):
     """
 
     content: str
-    score: Optional[float] = None
+    score: float | None = None

api/core/rag/entities/metadata_entities.py

@@ -1,5 +1,5 @@
 from collections.abc import Sequence
-from typing import Literal, Optional
+from typing import Literal
 
 from pydantic import BaseModel, Field
 
@@ -43,5 +43,5 @@ class MetadataCondition(BaseModel):
     Metadata Condition.
     """
 
-    logical_operator: Optional[Literal["and", "or"]] = "and"
-    conditions: Optional[list[Condition]] = Field(default=None, deprecated=True)
+    logical_operator: Literal["and", "or"] | None = "and"
+    conditions: list[Condition] | None = Field(default=None, deprecated=True)