Does this work to charge starter from ac, solar and alternator?

I have no idea what I’m doing here, but I have a dream of charging not only my house battery, but also my boat’s starter battery using the alternator, AC shore power, and solar to keep everything topped up.

Maybe there is a reason why those cannot exist and are not in the marine booklet, but this is what i drafted. would that work? And sound opinion would help me a lot here!

A) alternator, starter, cyrix, house(agm), blue smart, smartsolar, panels

B) alternator, starter, smart blue, orion (charging the starter!), house(lithium), smartsolar, panels

Either of these should work, but with the dc/dc charger, you won’t get solar charging the starter battery, where as it will with the Cyrix.