* fix(team_endpoints): auto-add SSO team members to org for proxy admins
* test: proxy_admin vs team_admin security boundary for team→org move
* screenshots: before/after for team-org SSO fix
* fix(team_endpoints): restore staging security features dropped in SSO commit
Co-Authored-By: Ishaan Jaff <ishaan@berri.ai>
* style: black formatting for team_endpoints
