enh/fix: filter content metadata

backend/open_webui/retrieval/vector/dbs/elasticsearch.py

@@ -3,7 +3,7 @@ from typing import Optional
 import ssl
 from elasticsearch.helpers import bulk, scan
 
-from open_webui.retrieval.vector.utils import stringify_metadata
+from open_webui.retrieval.vector.utils import process_metadata
 from open_webui.retrieval.vector.main import (
     VectorDBBase,
     VectorItem,
@@ -245,7 +245,7 @@ class ElasticsearchClient(VectorDBBase):
                         "collection": collection_name,
                         "vector": item["vector"],
                         "text": item["text"],
-                        "metadata": stringify_metadata(item["metadata"]),
+                        "metadata": process_metadata(item["metadata"]),
                     },
                 }
                 for item in batch
@@ -266,7 +266,7 @@ class ElasticsearchClient(VectorDBBase):
                         "collection": collection_name,
                         "vector": item["vector"],
                         "text": item["text"],
-                        "metadata": stringify_metadata(item["metadata"]),
+                        "metadata": process_metadata(item["metadata"]),
                     },
                     "doc_as_upsert": True,
                 }