fix(core): Make sure to return a callback manager if configure hooks#7366

Merged

jacoblee93 merged 4 commits intolangchain-ai:mainfrom ibolmo:guarantee-callback-handler

Dec 16, 2024

+35-16

Commits on Dec 15, 2024

Set a campaign manager, if we know there are callback managers we'd like to use
ibolmo
committed

Commits on Dec 16, 2024