Fix: add metadata loaded from chroma db

src/vector_store/vector_store.py

@@ -32,8 +32,12 @@ class VectorStoreManager:
         )
         all_documents = chroma_vs.get(include=["documents"])
         documents = [
-            Document(page_content=content, id=doc_id)
-            for content, doc_id in zip(all_documents["documents"], all_documents["ids"])
+            Document(page_content=content, id=doc_id, metadata=metadata)
+            for content, doc_id, metadata in zip(
+                all_documents["documents"], 
+                all_documents["ids"],
+                all_documents["metadatas"]
+            )
         ]
         bm25_vs: BM25Retriever = BM25Retriever.from_documents(documents=documents)
         self.vector_stores["chroma"] = chroma_vs