refactor: Update retrievers.py to improve retriever configuration and naming conventions

libs/retrievers.py

@@ -24,19 +24,22 @@ def load_faiss_retriever(embeddings):
 
 
 def load_retrievers(embeddings):
-    faiss_retriever = load_faiss_retriever(embeddings).with_config(run_name="faiss")
+    faiss_retriever = load_faiss_retriever(embeddings).with_config(
+        run_name="FaissRetriever"
+    )
 
-    bm25_retriever = load_bm25_retriever().with_config(run_name="bm25")
+    bm25_retriever = load_bm25_retriever().with_config(run_name="BM25Retriever")
 
     ensemble_retriever = EnsembleRetriever(
         retrievers=[bm25_retriever, faiss_retriever],
         weights=[0.7, 0.3],
         search_type="mmr",
-    )
+    ).with_config(run_name="EnsembleRetriever")
 
     compressor = CohereRerank(model="rerank-multilingual-v3.0", top_n=5)
     compression_retriever = ContextualCompressionRetriever(
         base_compressor=compressor,
         base_retriever=ensemble_retriever,
-    )
+    ).with_config(run_name="ContextualCompressionRetriever")
+
     return compression_retriever