Added first working version of the code. Processes

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app/tasks/finalize_document_storage.py

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+#!/usr/bin/env python3
+
+from app.config import settings
+from app.tasks.retry_config import BaseTaskWithRetry
+
+# Import the shared Celery instance
+from app.celery_app import celery
+
+@celery.task(base=BaseTaskWithRetry)
+def finalize_document_storage(original_file: str, processed_file: str, metadata: dict):
+    """Final storage step after embedding metadata."""
+    print(f"[INFO] Finalizing document storage for {processed_file}")
+    return {"status": "Completed", "file": processed_file}
+