Update app.py

app.py

@@ -397,6 +397,16 @@ with st.sidebar:
 st.title("Document Analyzer & Podcast Generator")
 st.image("./cover_image.png", use_container_width=True)
 
+# Embedding model selector (main screen)
+st.subheader("Embedding Model Selection")
+embedding_choice = st.radio(
+    "Choose the embedding model for document processing and story generation:",
+    ["OpenAI", "Cohere"],
+    horizontal=True,
+    key="embedding_model"
+)
+
+
 
 # Step 1: Upload and Process Documents
 st.subheader("Step 1: Upload and Process Documents")