Validate:
0 <= platformShareBps <= 10000
creatorShareBps =
10000 - platformShareBps
Total:
10000 bps
Potential shareholders:
creator wallet
NearFun platform wallet
Handle:
platform share = 0
creator share = 0
creator wallet == platform wallet
duplicate addresses
unsupported zero-share recipients
current Pump shareholder count limit
Never create invalid duplicate shareholders.