A 66-year-old man is admitted with an acute ST-elevation myocardial infarction (STEMI). He undergoes primary PCI with stent insertion. According to NICE CG172 (Acute coronary syndromes), what is the recommended duration of dual antiplatelet therapy (DAPT) with aspirin and a P2Y12 inhibitor (e.g., ticagrelor or prasugrel) post-STEMI with stenting, in the absence of contraindications or high bleeding risk?