fix: proxy-groups filter logic

adapter/outboundgroup/common.go

@@ -29,8 +29,9 @@ func getProvidersProxies(providers []provider.ProxyProvider, touch bool, filter
 		//filterReg = regexp.MustCompile(filter)
 		filterReg = regexp2.MustCompile(filter, 0)
 		for _, p := range proxies {
-			if p.Type() < 8 {
+			if p.IsProxyGroup() {
 				matchedProxies = append(matchedProxies, p)
+				continue
 			}
 
 			//if filterReg.MatchString(p.Name()) {

adapter/outboundgroup/fallback.go

@@ -24,6 +24,10 @@ type Fallback struct {
 	failedTime  *atomic.Int64
 }
 
+func (f *Fallback) IsProxyGroup() bool {
+	return true
+}
+
 func (f *Fallback) Now() string {
 	proxy := f.findAliveProxy(false)
 	return proxy.Name()

adapter/outboundgroup/loadbalance.go

@@ -28,6 +28,10 @@ type LoadBalance struct {
 	strategyFn strategyFn
 }
 
+func (lb *LoadBalance) IsProxyGroup() bool {
+	return true
+}
+
 var errStrategy = errors.New("unsupported strategy")
 
 func parseStrategy(config map[string]any) string {

adapter/outboundgroup/relay.go

@@ -19,6 +19,10 @@ type Relay struct {
 	filter    string
 }
 
+func (r *Relay) IsProxyGroup() bool {
+	return true
+}
+
 // DialContext implements C.ProxyAdapter
 func (r *Relay) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.Conn, error) {
 	var proxies []C.Proxy

adapter/outboundgroup/selector.go

@@ -21,6 +21,10 @@ type Selector struct {
 	providers  []provider.ProxyProvider
 }
 
+func (s *Selector) IsProxyGroup() bool {
+	return true
+}
+
 // DialContext implements C.ProxyAdapter
 func (s *Selector) DialContext(ctx context.Context, metadata *C.Metadata, opts ...dialer.Option) (C.Conn, error) {
 	c, err := s.selectedProxy(true).DialContext(ctx, metadata, s.Base.DialOptions(opts...)...)

adapter/outboundgroup/urltest.go

@@ -35,6 +35,10 @@ type URLTest struct {
 	failedTime  *atomic.Int64
 }
 
+func (u *URLTest) IsProxyGroup() bool {
+	return true
+}
+
 func (u *URLTest) Now() string {
 	return u.fast(false).Name()
 }