Sub-ticket of VENUS-31 Soporte server actions + data layer — copy mars soporte/actions.ts(462)+administrar/soporte/actions.ts(319); user create/reply + admin assign/close/reply. BAKE OUT: (i) 3 self-HTTP email sites -> venus sendOutboundEmail direct (drop fetch+Bearer+getBaseUrl); (ii) 4 hardcoded recipients -> 1 OPERATOR_EMAIL env knob, default soporte-evolutiva-venus@ · venus