fix: log session scope errors at appropriate error (#10546)

* Log db session scope errors at appropriate error

* [autofix.ci] apply automated fixes

* uses http status codes

* [autofix.ci] apply automated fixes

* [autofix.ci] apply automated fixes (attempt 2/3)

---------

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
Co-authored-by: Gabriel Luiz Freitas Almeida <gabriel@langflow.org>

Author: 3 people

src/backend/base/langflow/services/deps.py

@@ -1,8 +1,10 @@
 from __future__ import annotations
 
 from contextlib import asynccontextmanager
+from http import HTTPStatus
 from typing import TYPE_CHECKING
 
+from fastapi import HTTPException
 from lfx.log.logger import logger
 
 from langflow.services.schema import ServiceType
@@ -179,8 +181,20 @@ async def session_scope() -> AsyncGenerator[AsyncSession, None]:
             yield session
             await session.commit()
         except Exception as e:
-            await logger.aexception("An error occurred during the session scope.", exception=e)
             await session.rollback()
+
+            # Log at appropriate level based on error type
+            if isinstance(e, HTTPException):
+                if HTTPStatus.BAD_REQUEST.value <= e.status_code < HTTPStatus.INTERNAL_SERVER_ERROR.value:
+                    # Client errors (4xx) - log at info level
+                    await logger.ainfo(f"Client error during session scope: {e.status_code}: {e.detail}")
+                else:
+                    # Server errors (5xx) or other - log at error level
+                    await logger.aexception("An error occurred during the session scope.", exception=e)
+            else:
+                # Non-HTTP exceptions - log at error level
+                await logger.aexception("An error occurred during the session scope.", exception=e)
+
             raise