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

backend/agent/src/MoShiro.Agent/Tasks/TaskManager.cs

@@ -161,6 +161,7 @@ public sealed class TaskManager
             foreach ((ProbeSession probe, Dictionary<string, LineEntry> current) in _sessionLines)
             {
                 var next = new Dictionary<string, LineEntry>();
+                bool lineTasksChanged = current.Count != line.Count;
                 foreach ((string id, (TaskSpec task, TaskDecision decision)) in line)
                 {
                     LineEntry candidate = BuildLineEntry(task, decision, probe);
@@ -170,6 +171,7 @@ public sealed class TaskManager
                     }
                     else
                     {
+                        lineTasksChanged = true;
                         Start(candidate);
                         next[id] = candidate;
                     }
@@ -189,7 +191,13 @@ public sealed class TaskManager
                     current[id] = entry;
                 }
 
-                changes.Add((probe, SetFor(current)));
+                // The Agent receives a full task snapshot for peer/trust changes and target-only tasks too.
+                // Those changes do not affect a Probe's line blocks, so avoid retransmitting the same full
+                // line_task_set to every Probe. New sessions still get their initial snapshot in OpenSession.
+                if (lineTasksChanged)
+                {
+                    changes.Add((probe, SetFor(current)));
+                }
             }
         }