fix: re-raise exception in ingest_document so Celery retry mechanism fires (#561)

Author: ionfwsrijan

backend/app/services/document_ingestion.py

@@ -171,5 +171,6 @@ def ingest_document(document_id: str, filepath: str, original_name: str, user_id
                 db.commit()
         except Exception:
             logger.exception("Failed to mark document %s as failed", document_id)
+        raise
     finally:
         db.close()

backend/app/tasks.py

@@ -41,7 +41,10 @@ def process_document(
             original_name=original_name,
             user_id=user_id,
         )
-        return {"document_id": document_id, "status": "completed"}
+        with get_db_session() as db:
+            doc = db.query(Document).filter(Document.id == document_id).first()
+            status = doc.status if doc else "unknown"
+        return {"document_id": document_id, "status": status}
     except Exception as exc:
         logger.error("Document %s processing failed (attempt %s): %s", document_id, self.request.retries + 1, exc)
         with get_db_session() as db: