{"owner":"Jonathan Donoho","product":"Size it Pro","copyright":"Copyright (c) 2026 Jonathan Donoho. All rights reserved.","license":"Proprietary. Unauthorized copying, redistribution, or commercial use is prohibited.","buildId":"20260502184447-4385709d335d","issuedAt":"2026-05-02T18:44:53.923Z","signatureAlgorithm":"HMAC-SHA256","signature":"7542e533074e5a2682db0aad9e0ae82ccc46b19e837375f361d590c5e6c4e12c","signedFields":["owner","product","copyright","license","buildId","issuedAt"],"verification":{"note":"To verify: HMAC-SHA256 the canonical string (signedFields joined by newline as 'field=value') with the operator's SESSION_SECRET. Only the legitimate operator holds that secret.","formula":"signature = HMAC_SHA256(SESSION_SECRET, signedFields.map(f => `${f}=${payload[f]}`).join('\\n'))"}}