langgraph submodule and ingestion repo not align

[botingw]

importance: P1
description:
submodule: align to default langgraph commit in the repo
ingestion: latest main of langgraph
installed langgraph: user manually control
source of truth documentation from local and knowledge rag are inconsistent especially for version number greatly vary. manually control langgraph installed version is prone to error

how to resolve:
option 1: ingestion from local langgraph submodule
option 2: ingestion repo url align with specified submodule commit