#57 enqueue 修复的同型残留收口：SendFlaredPong/SendRelayPong 合并 select 随机选择 bug，委托 client.enqueue 去重修复

Result: {"status":"keep","total_issues":8,"eslint_errors":0,"eslint_problems":0,"eslint_warnings":0,"golint_canonicalheader":0,"golint_errname":0,"golint_errorlint":1,"golint_exhaustive":0,"golint_forcetypeassert":0,"golint_gosec":0,"golint_intrange":0,"golint_modernize":3,"golint_nilnil":3,"golint_perfsprint":0,"golint_prealloc":0,"golint_recvcheck":1,"golint_test_testifylint":0,"golint_test_thelper":0,"golint_test_total":0,"golint_test_usetesting":0,"golint_total":8,"golint_usestdlibvars":0,"golint_vetx_total":0,"golint_wastedassign":0,"measure_s":77,"tsc_errors":0,"vitest_failed":0,"vitest_total":126}

internal/apps/openflare/websocket/flared_hub.go

@@ -110,14 +110,9 @@ func SendFlaredPong(nodeID string) bool {
 	if client == nil {
 		return false
 	}
-	select {
-	case <-client.done:
-		return false
-	case client.send <- Message{Type: flaredMessageTypePong}:
-		return true
-	default:
-		return false
-	}
+	// 委托 enqueue：closed 检查与发送不能合并在同一个 select（两 case 同时
+	// 就绪时 Go 随机选择，close 后仍可能投递成功）。
+	return client.enqueue(Message{Type: flaredMessageTypePong})
 }
 
 func (c *flaredClient) readPump() {

internal/apps/openflare/websocket/relay_hub.go

@@ -91,14 +91,9 @@ func SendRelayPong(nodeID string) bool {
 	if client == nil {
 		return false
 	}
-	select {
-	case <-client.done:
-		return false
-	case client.send <- Message{Type: messageTypePong}:
-		return true
-	default:
-		return false
-	}
+	// 委托 enqueue：closed 检查与发送不能合并在同一个 select（两 case 同时
+	// 就绪时 Go 随机选择，close 后仍可能投递成功）。
+	return client.enqueue(Message{Type: messageTypePong})
 }
 
 func (c *relayClient) readPump() {