v0.29.1: lanresolver restarts dnsmasq on change (SIGHUP doesn't re-read config)

After a guest DHCP IP move, the split-horizon resolver kept serving the old IP:
the drop-in (address=/domain/ip) updated but 'systemctl reload dnsmasq' (SIGHUP)
does NOT re-read /etc/dnsmasq.d config — only /etc/hosts + cache. Changed
reload() -> restartDnsmasq() so address= changes actually take effect.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

cmd/felhom-agent/main.go

@@ -43,7 +43,7 @@ import (
 
 // version is the agent version. Overridable at build time with
 // -ldflags "-X main.version=<v>"; defaults to the in-repo CHANGELOG version.
-var version = "0.29.0"
+var version = "0.29.1"
 
 func main() {
 	var (