Log first and last docs before uploading the rest to elastic

src/llm_pdf.py

@@ -140,6 +140,7 @@ def on_finish_fn():
             else:
                 st.session_state.first_last_doc = [docs[0]]
                 docs.pop(0)
+            logger.info(f"First and last docs: {st.session_state.first_last_doc}")
             _upload_docs_to_elastic(docs, pdf_hash, on_finish_fn)
 
         if st.session_state.input_disabled:
@@ -195,7 +196,7 @@ def _docs_from_chunks(_chunks, cache_data_pdf_hash):
     for chunk in chunks:
         text = re.sub(r"[^\x20-\x7E]+", " ", chunk.page_content)
         page = chunk.metadata["page"]
-        text = f"Page {page + 1}:" + text
+        text = f"Page {page + 1}: " + text
         clean_chunks.append(text)
 
     # We have one chunk = one page of original PDF,