Pet quality silkies, which looks like they may not be purebred, bearded or pure color type.(i would not buy from the breeder again) The last one and the only pullet is the best, she does look to be mauve or something that looks like it.
The boys are splash, with leakage and birches with leakage.
Treating cockerels as pets- holding, petting, treating etc can make aggression inclined cockerels human aggressive. They don't have any respect for you.
Get a plant grow light, closest thing to natural sunlight, not harsh leds.
Are you aware that hens that don't get a laying break are more prone so reproductive issues ?