Check an x402 seller's trust

Trust evidence for any x402 seller origin: is it indexed, does its manifest parse, how many tools does it publish, which chains does it actually advertise, how many settled calls has it been observed receiving on-chain, and would our own Smart Order Router spend buyer money on it, in either of its two lanes: as a proven seller, or through the Base unproven lane (a seller below the settlement floor, tried after every proven candidate under a small per-call ceiling, paid only at the wallet its.