Update src/streamlit_app.py

src/streamlit_app.py

@@ -240,6 +240,40 @@ with st.sidebar:
     st.markdown("**Data source:** [OpenAlex](https://openalex.org)")
     st.markdown("**Rate limit:** ~0.15s per author")
 
+# Add test button BEFORE file uploader
+st.subheader("🧪 Test Mode")
+if st.button("Run with Sample Data"):
+    # Create sample dataframe
+    test_data = pd.DataFrame({
+        'Name': ['Albert Einstein', 'Marie Curie', 'Isaac Newton'],
+        'Institution_Hint': ['Princeton', 'Paris', 'Cambridge']
+    })
+    
+    # Process immediately
+    results = []
+    progress_bar = st.progress(0)
+    status_text = st.empty()
+    
+    for idx, row in test_data.iterrows():
+        name = row['Name']
+        hint = row.get('Institution_Hint')
+        
+        status_text.text(f"Processing {idx+1}/{len(test_data)}: {name}")
+        result = process_author(str(name).strip(), str(hint).strip() if pd.notna(hint) else None)
+        results.append(result)
+        time.sleep(RATE_LIMIT_DELAY)
+        progress_bar.progress((idx + 1) / len(test_data))
+    
+    status_text.text("✅ Processing complete!")
+    results_df = pd.DataFrame(results)
+    st.dataframe(results_df, use_container_width=True)
+
+st.divider()
+
+# Then your existing file uploader code
+uploaded_file = st.file_uploader("Upload CSV file", type=['csv'])
+
+
 # Main content
 uploaded_file = st.file_uploader(
     "Upload CSV file",