PROMBot-HSM-AF: protocol for a feasibility study of a chatbot-based platform to collect patient-reported outcomes after atrial fibrillation ablation - Sérgio Laranjo; Pedro Silva Cunha; Federico Guede-Fernández; Eduarda Oliosi; Rita Contins; Pedro Dias; Catarina Silva; Ana Clara Félix; Mário Martins Oliveira; Ana Rita Londral (Frontiers in Cardiovascular Medicine, 2026)