Cloudflare Edge External POST / fetch() API REQ 200 OK 202 ACC Webhook External service sending event data. Hono Gateway router.post(...) Validates payload and routes to specific DO based on account ID. AccountAgent {   "state": "idle",   "syncs": 0 } Durable Object holding in-memory state and coordinating tasks. GitHub API api.github.com 3rd party service being updated.