chore: [Multimodal FileSearch] Move embedding_model to body

PiperOrigin-RevId: 910258011

Author: MarkDaoust

google/genai/file_search_stores.py

@@ -51,7 +51,7 @@ def _CreateFileSearchStoreConfig_to_mldev(
   if getv(from_object, ['embedding_model']) is not None:
     setv(
         parent_object,
-        ['_query', 'embeddingModel'],
+        ['embeddingModel'],
         t.t_model(api_client, getv(from_object, ['embedding_model'])),
     )
 

google/genai/types.py

@@ -15296,6 +15296,10 @@ class FileSearchStore(_common.BaseModel):
       description="""The size of raw bytes ingested into the FileSearchStore. This is the
       total size of all the documents in the FileSearchStore.""",
   )
+  embedding_model: Optional[str] = Field(
+      default=None,
+      description="""The embedding model used by the FileSearchStore.""",
+  )
 
 
 class FileSearchStoreDict(TypedDict, total=False):
@@ -15326,6 +15330,9 @@ class FileSearchStoreDict(TypedDict, total=False):
   """The size of raw bytes ingested into the FileSearchStore. This is the
       total size of all the documents in the FileSearchStore."""
 
+  embedding_model: Optional[str]
+  """The embedding model used by the FileSearchStore."""
+
 
 FileSearchStoreOrDict = Union[FileSearchStore, FileSearchStoreDict]