feat: expose user_email in organization members response

Add user_email field to LiteLLM_OrganizationMembershipTable with a model_validator
that populates it from the nested user object, and update the /organization/info
Prisma query to select user_email from the related user record.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

litellm/proxy/_types.py

@@ -2437,9 +2437,19 @@ class LiteLLM_OrganizationMembershipTable(LiteLLMPydanticObjectBase):
         Any
     ] = None  # You might want to replace 'Any' with a more specific type if available
     litellm_budget_table: Optional[LiteLLM_BudgetTable] = None
+    user_email: Optional[str] = None
 
     model_config = ConfigDict(protected_namespaces=())
 
+    @model_validator(mode="after")
+    def populate_user_email(self) -> "LiteLLM_OrganizationMembershipTable":
+        if self.user_email is None and self.user is not None:
+            if isinstance(self.user, dict):
+                self.user_email = self.user.get("user_email")
+            else:
+                self.user_email = getattr(self.user, "user_email", None)
+        return self
+
 
 class LiteLLM_OrganizationTableUpdate(LiteLLM_BudgetTable):
     """Represents user-controllable params for a LiteLLM_OrganizationTable record"""

litellm/proxy/management_endpoints/organization_endpoints.py

@@ -721,7 +721,13 @@ async def info_organization(organization_id: str):
             where={"organization_id": organization_id},
             include={
                 "litellm_budget_table": True,
-                "members": True,
+                "members": {
+                    "include": {
+                        "user": {
+                            "select": {"user_email": True},
+                        }
+                    }
+                },
                 "teams": True,
                 "object_permission": True,
             },

tests/test_litellm/proxy/management_endpoints/test_organization_endpoints.py

@@ -535,3 +535,28 @@ async def test_list_organization_filter_by_org_alias(monkeypatch):
         "members": True,
         "teams": True,
     }
+
+
+@pytest.mark.asyncio
+async def test_organization_info_includes_user_email(monkeypatch):
+    """
+    Test that GET /organization/info returns user_email in members list.
+    """
+    from litellm.proxy._types import LiteLLM_OrganizationMembershipTable
+    from datetime import datetime
+
+    # Simulate a membership row with a nested user object that has user_email
+    raw_membership = {
+        "user_id": "user_abc",
+        "organization_id": "org_xyz",
+        "user_role": "org_admin",
+        "spend": 0.0,
+        "budget_id": None,
+        "created_at": datetime.utcnow(),
+        "updated_at": datetime.utcnow(),
+        "user": {"user_email": "alice@example.com"},
+        "litellm_budget_table": None,
+    }
+
+    membership = LiteLLM_OrganizationMembershipTable(**raw_membership)
+    assert membership.user_email == "alice@example.com"