• Members (DB)
• Contributions Ledger (DB)
• Badges (NFT/SBT) (DB)
• Portais por Nível (Observer / Contributor / Builder / Steward)

Members (DB) + Contributions Ledger (DB) + Badges (DB) (membership)

Você já tem o desenho — aqui vai o mínimo “travado”:

Members

• Name, Discord, Wallet
• Level (Observer/Contributor/Builder/Steward)
• Rep Points (Total) (Rollup do Ledger)
• Badges (Relation)

Contributions Ledger

• Title, Member (Relation), Type, Points, Evidence(URL), Status, Reviewer, Date, Related (Relation → Experimentos/Propostas)

Badges

• Badge Name, Type(NFT/SBT/Offchain), Tx Link, Holder(Relation → Members), Issued Date, Criteria