[      94ms] [INFO] socket open @ http://127.0.0.1:3000/_observablehq/client.js:409
[      94ms] [INFO] ↑ {type: hello, path: /scenarios, hash: 93ec24350c9094cf45727a667bab58e209b859d9d9555c52fcab345c7d32d7b3} @ http://127.0.0.1:3000/_observablehq/client.js:561
[     122ms] [INFO] ↓ {type: welcome} @ http://127.0.0.1:3000/_observablehq/client.js:415