feat(ops): upload node logs and task traffic [CI]

backend/shared/MoShiro.Protocol/Raw/RawChunkCodec.cs

@@ -59,8 +59,13 @@ public static class RawChunkCodec
     }
 
     public static byte[] Encode(RawChunk chunk)
+        => Encode(chunk, out _);
+
+    /// <summary>Encode a chunk and return the pre-compression payload size for traffic diagnostics.</summary>
+    public static byte[] Encode(RawChunk chunk, out int uncompressedBytes)
     {
         byte[] plain = EncodeBody(chunk);
+        uncompressedBytes = plain.Length;
         using var compressed = new MemoryStream();
         using (var brotli = new BrotliStream(compressed, CompressionLevel.Optimal, leaveOpen: true))
         {

backend/shared/MoShiro.Protocol/Rpc/MoShiroRpc.cs

@@ -322,6 +322,12 @@ public sealed class ProbeHeartbeatExtra
 
     [JsonPropertyName("update")]
     public UpdateStatus? Update { get; set; }
+
+    [JsonPropertyName("runtime_logs")]
+    public List<NodeLogRecord>? RuntimeLogs { get; set; }
+
+    [JsonPropertyName("dropped_runtime_logs")]
+    public long? DroppedRuntimeLogs { get; set; }
 }
 
 /// <summary>Probe's rolling QUIC connection health snapshot for one Agent/IP path.</summary>
@@ -546,6 +552,12 @@ public sealed class AgentHeartbeatExtra
 
     [JsonPropertyName("update")]
     public UpdateStatus? Update { get; set; }
+
+    [JsonPropertyName("runtime_logs")]
+    public List<NodeLogRecord>? RuntimeLogs { get; set; }
+
+    [JsonPropertyName("dropped_runtime_logs")]
+    public long? DroppedRuntimeLogs { get; set; }
 }
 
 /// <summary>Agent 下发给 Probe 的一条线路任务（期望状态类型 <c>line_task_set</c> 里的一项）。</summary>