Supporter smart contract

[jwahdatehagh]

Build the @1001-digital/support smart contract.

Requirements

• 4 tiers with preset prices (owner can update)
  • Supporter: $10
  • Gold: $69
  • Platinum: $250
  • Partner: $1000 (3 slots, doubles if full)
• Duration parameter (* amount)
• 12+ months gets 20% off (owner can adjust min months + discount %)
• Owner withdrawals
• ETH only, with USD oracle for pricing
• API indexing infra: Ponder indexer to mark addresses as supporters + tier

Source: brain/index.md, brain/notes/support-tiers.md