{"network":"signet","available":false,"lanes":{"free":{"gate":"proof-of-work","difficulty":26,"amount_sat":1000,"challenge_ttl_sec":600,"endpoint":"GET /api/challenge → POST /api/claim"},"fast":{"gate":"L402","available":false,"hint":"the paid lane ships in phase 2"}},"liquidity":{"confirmed_sat":0,"liquidity_floor_sat":20000,"above_floor":false},"caps":{"per_claim_max_sat":25000,"outflow_window_sec":86400,"outflow_remaining_sat":250000},"claims_last_hour":0}