update temp pdf path

src/config/config.py

@@ -27,7 +27,7 @@ class Settings(BaseSettings):
     gap_threshold_ratio: float = float(os.getenv("GAP_THRESHOLD_RATIO", "0.1"))
     
     # File processing settings
-    temp_file_name: str = os.getenv("TEMP_FILE_NAME", "temp.pdf")
+    temp_file_name: str = os.getenv("TEMP_FILE_NAME", "/app/temp/temp.pdf")
     dpi: int = int(os.getenv("DPI", "300"))
     
     # spaCy model settings