Update chatbot_rag.py

chatbot_rag.py

@@ -15,8 +15,11 @@ def build_qa():
     # 1. Embeddings
     embeddings = HuggingFaceEmbeddings(model_name="sentence-transformers/all-MiniLM-L6-v2")
 
-    # 2. Vector DB (already persisted in Kaggle, same folder name in HF Space)
-    vectorstore = Chroma(persist_directory="db", embedding_function=embeddings)
+    vectorstore = Chroma(
+    persist_directory="db",
+    collection_name="rag-docs",
+    embedding_function=embeddings,
+    )
 
     # 3. LLM
     model_id = "microsoft/phi-2"