fix(proxy): recognize team admins from members_with_roles in project create/update permission check

Co-Authored-By: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>

enterprise/litellm_enterprise/proxy/management_endpoints/project_endpoints.py

@@ -22,7 +22,7 @@ from litellm._uuid import uuid
 from litellm.proxy._types import *
 from litellm.proxy.auth.auth_checks import delete_cached_project_object
 from litellm.proxy.auth.user_api_key_auth import user_api_key_auth
-from litellm.proxy.management_endpoints.common_utils import _set_object_metadata_field
+from litellm.proxy.management_endpoints.common_utils import _is_user_team_admin, _set_object_metadata_field
 from litellm.proxy.management_helpers.utils import (
     management_endpoint_wrapper,
 )
@@ -105,14 +105,16 @@ async def _check_user_permission_for_project(
     if not team_id or not user_api_key_dict.user_id:
         return False
 
-    team = team_object
-    if team is None:
-        team = await _team_table(prisma_client).find_unique(where={"team_id": team_id})
+    team_row: Final = (
+        team_object
+        if team_object is not None
+        else await _team_table(prisma_client).find_unique(where={"team_id": team_id})
+    )
+    if team_row is None:
+        return False
 
-    if team and team.admins:
-        return user_api_key_dict.user_id in team.admins
-
-    return False
+    team: Final = LiteLLM_TeamTable.model_validate(team_row.model_dump())
+    return _is_user_team_admin(user_api_key_dict, team) or user_api_key_dict.user_id in (team.admins or [])
 
 
 async def _validate_team_exists(

tests/enterprise/litellm_enterprise/proxy/management_endpoints/test_project_endpoints_prisma.py

@@ -1368,3 +1368,33 @@ async def test_new_project_flag_on_access_group_model_returns_400(monkeypatch):
 
     assert "prod-models" in str(exc_info.value)
     assert "expand to multiple models at request time" in str(exc_info.value)
+
+
+@pytest.mark.asyncio
+async def test_check_user_permission_for_project_uses_members_with_roles():
+    """Team admins added via /team/member_add live in members_with_roles, not the legacy admins list."""
+    from litellm.proxy._types import LiteLLM_TeamTable, Member
+    from litellm_enterprise.proxy.management_endpoints.project_endpoints import (
+        _check_user_permission_for_project,
+    )
+
+    team = LiteLLM_TeamTable(
+        team_id="team-1",
+        admins=[],
+        members_with_roles=[
+            Member(user_id="team-admin", role="admin"),
+            Member(user_id="plain-member", role="user"),
+        ],
+    )
+
+    async def check(user_id: str) -> bool:
+        return await _check_user_permission_for_project(
+            user_api_key_dict=UserAPIKeyAuth(user_id=user_id, user_role=LitellmUserRoles.INTERNAL_USER),
+            team_id="team-1",
+            prisma_client=mock.MagicMock(),
+            team_object=team,
+        )
+
+    assert await check("team-admin") is True
+    assert await check("plain-member") is False
+    assert await check("stranger") is False