I just realized: Since Sage is literally old Scholar with double dots and Psyche being Shadow Flare v2, I have a strong feeling that they're going to add Geomancer as a healer and make it old White Mage. This would be the most likely way they appeal to both types of healer players.
It sounds crazy, but think about it for a minute: If they are giving Sage--Scholar's heal kit almost 1:1 but with the DPS kit of Stb Scholar, and two abilities that roughly resemble Rouse (Zoe/Physis II), it makes sense that they would release more new healers but with the rough summary of the kits of old healers. For example, Geomancer would involve using wind for DOTs (Aero 3 for example), water for healing and earth for direct damage.
Also, Bard was a support job in previous iterations but was made a DPS here, so it would be plausible for CBU3 to bend the rules and give Geomancer healing capabilities.