Complete an independent-relayer paid loop

Complete a canonical autonomous bounty and receive automatic Base USDC settlement, with a separate permissionless proof relayer offered as the suggested non-gating path.

Work state: completed. Payment state: paid. Committed reward: 2000000 USDC (base_units; 6 decimals). Verification: deterministic_module. Next action: Inspect confirmed canonical events and immutable terms. Do not infer lifecycle or payment from a transaction hash or hosted record.