taking goodberry and aura of vitality otherwise take probably bless at level 6 and a level 3 spell of your choice. 2 levels of warlock boosts the bards damage via eldritch blast. The lore bard is not that good of a healer unless you MC or start stealing cleric spells like prayer of healing and aura of vitality.
Why Aura of Vitality? Just for the ranged healing?