🐛 fix(fanuc): 修复 J519 队列等待与日志注入

* 为 FANUC 命令、状态和 J519 客户端注入独立日志记录器
* 补充不可接收命令状态下队列完成等待的回归测试
* 调整 J519 命令流结束后的状态处理语义

tests/Flyshot.Core.Tests/FanucControllerRuntimeLoggingRegistrationTests.cs

@@ -1,5 +1,6 @@
 using Flyshot.Runtime.Common;
 using Flyshot.Runtime.Fanuc;
+using Flyshot.Runtime.Fanuc.Protocol;
 using Microsoft.Extensions.DependencyInjection;
 using System.Reflection;
 
@@ -14,7 +15,7 @@ public sealed class FanucControllerRuntimeLoggingRegistrationTests
     /// 验证宿主按 IControllerRuntime 解析 FANUC 运行时时，不会因为可选日志参数而退回到无日志实例。
     /// </summary>
     [Fact]
-    public void ServiceProvider_Resolves_FanucControllerRuntime_WithLogger()
+    public void ServiceProvider_Resolves_FanucControllerRuntime_WithAllClientLoggers()
     {
         var services = new ServiceCollection();
         services.AddLogging();
@@ -28,5 +29,27 @@ public sealed class FanucControllerRuntimeLoggingRegistrationTests
 
         Assert.NotNull(loggerField);
         Assert.NotNull(loggerField!.GetValue(concreteRuntime));
+
+        AssertClientLoggerIsInjected<FanucCommandClient>(concreteRuntime, "_commandClient");
+        AssertClientLoggerIsInjected<FanucStateClient>(concreteRuntime, "_stateClient");
+        AssertClientLoggerIsInjected<FanucJ519Client>(concreteRuntime, "_j519Client");
+    }
+
+    /// <summary>
+    /// 断言运行时持有的底层协议客户端已注入对应类型的日志记录器。
+    /// </summary>
+    /// <typeparam name="TClient">待检查的协议客户端类型。</typeparam>
+    /// <param name="runtime">已经通过依赖注入解析出的 FANUC 运行时。</param>
+    /// <param name="clientFieldName">运行时内部保存该客户端实例的字段名。</param>
+    private static void AssertClientLoggerIsInjected<TClient>(FanucControllerRuntime runtime, string clientFieldName)
+    {
+        var clientField = typeof(FanucControllerRuntime).GetField(clientFieldName, BindingFlags.Instance | BindingFlags.NonPublic);
+
+        Assert.NotNull(clientField);
+        var client = Assert.IsType<TClient>(clientField!.GetValue(runtime));
+        var loggerField = typeof(TClient).GetField("_logger", BindingFlags.Instance | BindingFlags.NonPublic);
+
+        Assert.NotNull(loggerField);
+        Assert.NotNull(loggerField!.GetValue(client));
     }
 }