test: add production compose smoke harness

docs/operations-runbook.md

@@ -6,7 +6,8 @@ describe a Unix-like client, which is outside v1.
 ## Deploy and verify
 
 Use the checked-in Compose deployment as the sole Linux-server runtime. Start
-from the annotated [`server.toml`](examples/server.toml) and retain
+from its Compose-specific
+[`server.toml.example`](../deploy/production/server.toml.example) and retain
 `json_rpc.enabled = false` unless performing loopback-only debugging.
 
 For Compose, follow the setup in