Deploy chatbot update

app.py

@@ -76,8 +76,7 @@ for filename in pdf_files:
                 content = page.extract_text()
                 if content:
                     texts.append(content)
-            text = "
-".join(texts).strip()
+            text = "\n".join(texts).strip()
             if text:
                 docs.append({"page_content": text, "metadata": {"source": filename}})
                 print(f"✅ {filename} 처리 완료 (길이 {len(text)}자)")