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Add override state value field to initialize_from #416
Description
Is your feature request related to a problem? Please describe.
When forking from state, we might want to augment the state as part of debugging/forking.
Describe the solution you'd like
To be able to modify the starting state when using initialize_from to build the initial state.
Use cases:
- fix state (e.g. I saw in the state it was bad, let me fix it)
- turn on other logic via state
- override values, e.g. change the email, etc.
values_i_want_to_override = {"key": "value"}
app = (ApplicationBuilder().
...
.initialize_from(
...,
override_state_values=values_i_want_to_override
).build()
)For the UI:
- we should call the override out. E.g. via some marker to indicate we forked, but modified state...
Describe alternatives you've considered
You can do this today, it just happens outside of the application builder:
- manually load state via the persister.
- adjust the state as needed
- create a graph from that state and that point in the graph
Additional context
This just reduces some boilerplate.
Activity
Smitaambiger commentedon Jan 11, 2026
Hi @skrawcz ,
I’m interested in working on this issue.
I’ve gone through the description and the current
initialize_fromflow, including the persister-based workaround mentioned.My initial thought is to add an optional
override_state_valuesparameter toinitialize_from, apply overrides after loading the base state but before building the application, and keep behavior unchanged when the parameter is not provided.Happy to adjust the approach based on your feedback.
Thanks!
skrawcz commentedon Jan 13, 2026
@Smitaambiger sounds good. Want to give it a shot?
Smitaambiger commentedon Jan 13, 2026
Hi @skrawcz , I’ve opened a PR implementing this feature here:
#632
Happy to make any changes based on feedback. Thanks!
andreahlert commentedon Mar 16, 2026
PR #632 added the
override_state_valuesparameter toinitialize_from. Merged Jan 2026.andreahlert commentedon Mar 28, 2026
Labels migrated to new taxonomy (#692).
andreahlert commentedon Mar 30, 2026
Resolved by #632 (merged).