[go] Merged memory extractor with ingestion task handler (#17730)

Routes async memory extraction through the shared ingestion NATS
pipeline via task_type=memory, removing the dedicated Redis consumer.
Memory failures ack terminally, transient errors nack for redelivery.

rag/flow/parser/parser.py

@@ -20,7 +20,8 @@ import random
 import re
 from functools import partial
 
-from litellm import logging
+import logging
+
 import numpy as np
 from PIL import Image