Creates a copy of a board including its full flow state. Works for boards you own and public boards. The copy is always owned by the authenticated user. The name is suffixed with ” (Copy)”.
Pass your API key (prefixed cgk_) or a Supabase JWT in the
Authorization: Bearer <token> header.
"a1b2c3d4-e5f6-7890-abcd-ef1234567890"