feat: improve gateway services and auto-reply commands

docs/cli/gateway.md

@@ -77,7 +77,7 @@ clawdbot gateway health --url ws://127.0.0.1:18789
 - your configured remote gateway (if set), and
 - localhost (loopback) **even if remote is configured**.
 
-If multiple gateways are reachable, it prints all of them and warns this is an unconventional setup (usually you want only one gateway).
+If multiple gateways are reachable, it prints all of them. Multiple gateways are supported when you use profiles for redundancy, but most installs still run a single gateway.
 
 ```bash
 clawdbot gateway status