{"schema":"sbo3l.playground_api.placeholder.v1","status":"skeleton","todo":"wire Postgres query + anchor join per DEPLOY.md","requested_limit":100,"events":[],"latest_anchor":null,"github":"https://github.com/B2JK-Industry/SBO3L-ethglobal-openagents-2026/tree/main/apps/sbo3l-playground-api"}