[raymondjacobson]

Summary

• detect claimable token account recreations using the retained sol_claimable_accounts history
• cap relay-sponsored recreations globally at 10 per UTC day using an atomic Redis counter
• leave first-time user-bank creation unaffected
• reject the 11th recreation before the relay signs or pays

Testing

• npm test --workspace=@pedalboard/solana-relay -- --run (54 tests passed)
• TypeScript 5.0.4 type-check
• ESLint on changed files
• git diff --check