修正帧数统计错误，流量统计错误的问题

确认显示帧数策略有效

SHH.CameraSdk/Core/Manager/CameraManager.cs

@@ -197,6 +197,7 @@ public class CameraManager : IDisposable, IAsyncDisposable
                 Status = cam.Status.ToString(),
                 IsOnline = cam.IsOnline,
                 Fps = cam.RealFps,
+                Bitrate = cam.RealBitrate, // [新增] 映射基类属性
                 TotalFrames = cam.TotalFrames,
                 HealthScore = healthScore,
                 LastErrorMessage = cam.Status == VideoSourceStatus.Faulted ? "设备故障或网络中断" : null,

SHH.CameraSdk/Core/Scheduling/FrameController.cs

@@ -95,4 +95,19 @@ public class FrameController
     }
 
     #endregion
+
+    /// <summary>
+    /// [新增] 获取当前所有活跃的订阅需求快照
+    /// </summary>
+    public List<dynamic> GetCurrentRequirements()
+    {
+        // 将 ConcurrentDictionary 转换为列表返回
+        return _requirements.Values.Select(r => new
+        {
+            r.AppId,
+            r.TargetFps,
+            // 还可以计算一个预计带宽占用，或者上次取帧时间
+            LastActive = r.LastCaptureTick
+        }).ToList<dynamic>();
+    }
 }

SHH.CameraSdk/Core/Telemetry/CameraTelemetryInfo.cs

@@ -41,6 +41,9 @@ public class CameraTelemetryInfo
     /// <summary> 累计接收帧数（相机启动后接收的总帧数，用于统计数据完整性） </summary>
     public long TotalFrames { get; set; }
 
+    /// <summary> 实时码率 (Mbps) </summary>
+    public double Bitrate { get; set; }
+
     #endregion
 
     #region --- 健康度与统计 (Health & Statistics) ---