Update src/streamlit_app.py

src/streamlit_app.py

@@ -33,10 +33,10 @@ persist_dir = tempfile.mkdtemp()
 def prepare_vectorstore(uploaded_files=None):
     documents = []
 
-    if uploaded_files:
+    if uploaded_files and any(file.size > 0 for file in uploaded_files):
         st.write("📁 Uploaded files:")
         for file in uploaded_files:
-            st.write(f"• {file.name}")
+            st.write(f"• {file.name} ({file.size} bytes)")
             file_path = Path(tempfile.gettempdir()) / file.name
             try:
                 with open(file_path, "wb") as f:
@@ -61,9 +61,12 @@ def prepare_vectorstore(uploaded_files=None):
                 st.error(f"❌ Error loading {file.name}:")
                 st.exception(e)
                 st.text(traceback.format_exc())
-
     else:
-        st.info("No files uploaded. Loading from documents folder...")
+        if uploaded_files:
+            st.warning("⚠️ Uploaded files detected, but they seem to be empty.")
+        else:
+            st.info("📂 No files uploaded. Loading from documents folder...")
+
         try:
             loader = DirectoryLoader(str(documents_path), glob="**/*.txt", loader_cls=TextLoader)
             documents = loader.load()