Update agent/rag_retriever.py

agent/rag_retriever.py

@@ -10,7 +10,7 @@ class NivraRAGRetriever:
         )
         self.vectorstore = Chroma(
             collection_name="nivra_medical_docs",
-            embedding_function=your_embeddings
+            embedding_function=self.embeddings
         )
         self.retriever = self.vectorstore.as_retriever(
             search_type="similarity_score_threshold",