shivam 27a105bcf9 fix: give each team member an independent budget instead of sharing the team default ...

Previously, members added to a team without an explicit per-member budget were
all linked to the same `litellm_budgettable` row referenced by the team's
`metadata.team_member_budget_id`. Updating one member's budget via
`/team/member_update` mutated the shared row and silently changed every other
member's budget too.

Now both write paths produce a private, per-member budget:

- `add_new_member` clones the team's default budget into a fresh row when a
  member is added without `max_budget_in_team`/`allowed_models`. If no team
  default exists, the membership is created with no budget.
- `_upsert_budget_and_membership` detects when an existing membership still
  points at the team's default budget id and clones-on-write, relinking the
  membership to the new private budget before applying the update.
- `team_member_update` reads `team_member_budget_id` from team metadata and
  passes it through so the helper can make this distinction.

Adds unit tests for clone-on-write, in-place update of a private budget, and
the no-default-no-budget add path.

Made-with: Cursor

2026-04-21 17:58:50 -07:00

..

test_audit_log_callbacks.py

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test_management_helpers_utils.py

fix: give each team member an independent budget instead of sharing the team default

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test_object_permission_utils.py

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test_team_member_permission_checks.py

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