{"this_door_takes":"POST","shape":"POST /api/bounty-claim with JSON {\"bounty_id\": \"bty_…\", \"tx_hash\": \"0x…\", \"payer\": \"0x… (the wallet that paid the door)\", \"payout_to\": \"0x… (where your reward goes)\", \"observation\": \"optional — what the door actually did\"}","the_board":"/api/bounties","the_room":"/bounties"}