fix(onboard): self-check 加入 hermes-har 和 auxiliary models 检查

[小糯]

hermes/shazhou-family-onboard/scripts/self-check.sh

@@ -65,6 +65,8 @@ echo "  ℹ️  请自行确认已了解家族设备和联系方式"
 
 echo "09. Hermes 配置"
 check "config.yaml 存在" "test -f ~/.hermes/config.yaml"
+check "hermes-har 已安装" "command -v hermes-har"
+check "auxiliary models 已配置" "grep -q 'auxiliary' ~/.hermes/config.yaml 2>/dev/null"
 
 echo "10. Skills"
 check "skills repo 已克隆" "test -d ~/skills/.git"