fix: Allow organization_name to be empty on organization membership events

[blackmad-cradle]

Description

Documentation says this should always be a string, empirically we are seeing this field missing

Documentation

Does this require changes to the WorkOS Docs? E.g. the API Reference or code snippets need updates.

[ ] Yes

If yes, link a related docs PR and add a docs maintainer as a reviewer. Their approval is required.

[greptile-apps]

Greptile Summary

Makes organization_name optional on BaseOrganizationMembership to handle cases where the WorkOS API omits this field from organization membership event payloads. Adds a corresponding test for deserialization of events with missing organization_name.

• organization_name changed from str (required) to Optional[str] = None in BaseOrganizationMembership, which propagates to both OrganizationMembership and AuthorizationOrganizationMembership
• New test validates the deserialization path, but is missing an explicit assertion that organization_name is None

Confidence Score: 4/5

• This PR is safe to merge — it relaxes a type constraint to match real API behavior, with low risk of breakage.
• The model change is minimal, correct, and well-motivated. The test covers the deserialization path but lacks an assertion on the actual field under test, which slightly reduces confidence in test coverage.
• tests/test_events.py — the new test should assert organization_name is None

Important Files Changed

Filename	Overview
src/workos/types/user_management/organization_membership.py	Makes organization_name optional with a None default on BaseOrganizationMembership, fixing deserialization when the API omits this field. Clean, minimal change.
tests/test_events.py	Adds a test for missing organization_name, but the test lacks an assertion that organization_name is None — only checks custom_attributes.

Class Diagram

%%{init: {'theme': 'neutral'}}%%
classDiagram
    class BaseOrganizationMembership {
        +str id
        +str user_id
        +str organization_id
        +Optional~str~ organization_name
        +str status
        +bool directory_managed
        +str created_at
        +str updated_at
    }
    class OrganizationMembership {
        +OrganizationMembershipRole role
        +Optional~Sequence~ roles
        +Mapping custom_attributes
    }
    class AuthorizationOrganizationMembership

    BaseOrganizationMembership <|-- OrganizationMembership
    BaseOrganizationMembership <|-- AuthorizationOrganizationMembership

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_{Last reviewed commit: ea60574}