documentation: Add rule action

option/inbound.go

@@ -34,7 +34,7 @@ func (h *Inbound) UnmarshalJSONContext(ctx context.Context, content []byte) erro
 	}
 	registry := service.FromContext[InboundOptionsRegistry](ctx)
 	if registry == nil {
-		return E.New("missing inbound options registry in context")
+		return E.New("missing Inbound fields registry in context")
 	}
 	options, loaded := registry.CreateOptions(h.Type)
 	if !loaded {

option/rule_action.go

@@ -148,9 +148,6 @@ func (r *RouteActionOptions) UnmarshalJSON(data []byte) error {
 	if err != nil {
 		return err
 	}
-	if r.Outbound == "" {
-		return E.New("missing outbound")
-	}
 	return nil
 }
 
@@ -189,9 +186,6 @@ func (r *DNSRouteActionOptions) UnmarshalJSONContext(ctx context.Context, data [
 	if err != nil {
 		return err
 	}
-	if r.Server == "" {
-		return E.New("missing server")
-	}
 	if r.DisableCache || r.RewriteTTL != nil || r.ClientSubnet != nil {
 		deprecated.Report(ctx, deprecated.OptionLegacyDNSRouteOptions)
 	}