Update app/ui.py

app/ui.py

@@ -200,7 +200,8 @@ suggested_max_k = estimate_k_max_from_word_stats(length_stats.get("avg_len"), mo
 st.markdown("## 1️⃣ 🏷️ Topic Labeling")
 st.info("Topics are automatically labeled using LLMs by analyzing their temporal word distributions.")
 
-topic_labels = get_topic_labels(beta, vocab, time_labels, llm, label_cache_path)
+with st.spinner("✨ Generating topic labels... LLM will be used only if labels are not cached."):
+    topic_labels = get_topic_labels(beta, vocab, time_labels, llm, label_cache_path)
 topic_options = list(topic_labels.values())
 selected_topic_label = st.selectbox("Select a Topic", topic_options, help="LLM-generated topic label")
 label_to_topic = {v: k for k, v in topic_labels.items()}