{"protocol":"tclk/1","rails":["flop-htlc","paper","x402"],"offer_room":"tclk-offers","bridge":null,"bridge_error":"node runtime not found","custody":false,"settlement":"unverified_by_default","disclaimer":"Registry-mediated coordination only. Never custodies keys or funds. PaperRail is demo-only and settles nothing of value. Preimages are never logged or persisted."}