Streamlit: initialize UI at module import for HF Spaces

app.py

@@ -139,6 +139,5 @@ def run_streamlit_ui():
                     "upload then remove the artifacts.")
 
 
-# Only run when executed by Streamlit runner
-if getattr(st, "runtime", None) and st.runtime.exists():
-    run_streamlit_ui()
+# Initialize Streamlit app (HF Spaces runs via `streamlit run app.py`)
+run_streamlit_ui()