diff --git a/internal/eventstore/projection.go b/internal/eventstore/projection.go
index 893bd8d..3700500 100644
--- a/internal/eventstore/projection.go
+++ b/internal/eventstore/projection.go
@@ -475,7 +475,9 @@ func buildManagerSummaries(
 		if !ok {
 			continue
 		}
-		summary.Artifacts++
+		if isManagerVisibleArtifact(artifact.Kind) {
+			summary.Artifacts++
+		}
 		summary.UpdatedAt = latestTime(summary.UpdatedAt, artifact.UpdatedAt)
 		summaries[artifact.TaskID] = summary
 	}
@@ -505,6 +507,10 @@ func isTerminalPullRequestState(state string) bool {
 	return strings.EqualFold(state, "MERGED") || strings.EqualFold(state, "CLOSED")
 }
 
+func isManagerVisibleArtifact(kind string) bool {
+	return !strings.EqualFold(strings.TrimSpace(kind), "worker_log")
+}
+
 func managerSummaryTone(current string, next string) string {
 	rank := map[string]int{"good": 0, "info": 1, "warning": 2, "danger": 3}
 	if rank[next] > rank[current] {
diff --git a/internal/eventstore/projection_test.go b/internal/eventstore/projection_test.go
index 8f4e56d..00d1381 100644
--- a/internal/eventstore/projection_test.go
+++ b/internal/eventstore/projection_test.go
@@ -205,15 +205,23 @@ func TestBuildManagerSummariesCountsOnlyCurrentSignals(t *testing.T) {
 		"artifact": {
 			ID:        "artifact",
 			TaskID:    "task",
+			Kind:      "benchmark",
 			UpdatedAt: base.Add(13 * time.Minute),
 		},
+		"worker-log": {
+			ID:        "worker-log",
+			TaskID:    "task",
+			Kind:      "worker_log",
+			Name:      "Remote stdout",
+			UpdatedAt: base.Add(14 * time.Minute),
+		},
 	}
 	steering := map[string]core.SteeringItem{
 		"steering": {
 			ID:        "steering",
 			TaskID:    "task",
 			Status:    "pending",
-			UpdatedAt: base.Add(14 * time.Minute),
+			UpdatedAt: base.Add(15 * time.Minute),
 		},
 	}
 
diff --git a/internal/orchestrator/task_assignments.go b/internal/orchestrator/task_assignments.go
index 7dbf245..c5a35be 100644
--- a/internal/orchestrator/task_assignments.go
+++ b/internal/orchestrator/task_assignments.go
@@ -659,7 +659,7 @@ func (b *taskAssignmentBuilder) addPullRequestDisplayRows(pullRequests []core.Pu
 
 func (b *taskAssignmentBuilder) addArtifactDisplayRows(artifacts []core.Artifact, task core.Task) {
 	for index, artifact := range artifacts {
-		if artifact.TaskID != b.taskID {
+		if artifact.TaskID != b.taskID || !isManagerVisibleArtifact(artifact.Kind) {
 			continue
 		}
 		key := nonEmpty(artifact.ID, artifact.Ref, artifact.URL, fmt.Sprintf("%s-%d", humanizeAssignmentKey(artifact.Kind), index+1))
@@ -806,6 +806,10 @@ func isDisplayWorkItemStatus(status core.WorkItemStatus) bool {
 	return status == core.WorkItemQueued || status == core.WorkItemRunning
 }
 
+func isManagerVisibleArtifact(kind string) bool {
+	return !strings.EqualFold(strings.TrimSpace(kind), "worker_log")
+}
+
 func isActiveAssignmentStatus(status string) bool {
 	normalized := strings.ToLower(strings.TrimSpace(status))
 	return normalized == "pending" || normalized == "queued" || normalized == "running"
diff --git a/internal/orchestrator/task_assignments_test.go b/internal/orchestrator/task_assignments_test.go
index 9792be0..02191e9 100644
--- a/internal/orchestrator/task_assignments_test.go
+++ b/internal/orchestrator/task_assignments_test.go
@@ -281,6 +281,10 @@ func TestBuildTaskAssignmentsDisplayRowsHideHistoricalFailures(t *testing.T) {
 			{ID: "feedback-merged", TaskID: "task-1", PullRequestID: "pr-merged", Status: "pending", Reason: "review", CreatedAt: now, UpdatedAt: now.Add(time.Minute)},
 			{ID: "feedback-open", TaskID: "task-1", PullRequestID: "pr-open", Status: "pending", Reason: "review", CreatedAt: now, UpdatedAt: now.Add(2 * time.Minute)},
 		},
+		Artifacts: []core.Artifact{
+			{ID: "stdout-log", TaskID: "task-1", Kind: "worker_log", Name: "Remote stdout", Ref: "/home/bot/work/worker/stdout.log", CreatedAt: now, UpdatedAt: now.Add(time.Minute)},
+			{ID: "benchmark", TaskID: "task-1", Kind: "benchmark", Name: "Benchmark", Ref: "shared/bench.txt", CreatedAt: now, UpdatedAt: now.Add(2 * time.Minute)},
+		},
 	}
 
 	result, err := BuildTaskAssignments(snapshot, "task-1")
@@ -293,12 +297,14 @@ func TestBuildTaskAssignmentsDisplayRowsHideHistoricalFailures(t *testing.T) {
 	displayRowAbsent(t, result.DisplayRows, "execution_node:node-failed")
 	displayRowAbsent(t, result.DisplayRows, "pr:pr-merged")
 	displayRowAbsent(t, result.DisplayRows, "feedback:feedback-merged")
+	displayRowAbsent(t, result.DisplayRows, "artifact:stdout-log")
 
 	displayRowByID(t, result.DisplayRows, "work:queued-work")
 	displayRowByID(t, result.DisplayRows, "debug_worker:worker-queued")
 	displayRowByID(t, result.DisplayRows, "execution_node:node-queued")
 	displayRowByID(t, result.DisplayRows, "pr:pr-open")
 	displayRowByID(t, result.DisplayRows, "feedback:feedback-open")
+	displayRowByID(t, result.DisplayRows, "artifact:benchmark")
 }
 
 func TestBuildTaskAssignmentsMissingTask(t *testing.T) {
diff --git a/web/src/main.tsx b/web/src/main.tsx
index f0bba4b..4dd87be 100644
--- a/web/src/main.tsx
+++ b/web/src/main.tsx
@@ -2572,7 +2572,7 @@ function deriveAssignmentRows({
     });
   }
 
-  for (const [index, artifact] of artifacts.entries()) {
+  for (const [index, artifact] of artifacts.filter(isManagerVisibleArtifact).entries()) {
     const artifactKey = artifact.id || artifact.ref || artifact.url || `${humanizeKey(artifact.kind)}-${index + 1}`;
     rows.push({
       id: `artifact:${artifactKey}`,
@@ -3246,7 +3246,7 @@ function ObjectiveBrief({
         </div>
       </details>
       <TaskAttentionPanel items={attentionItems} />
-      {(artifacts.length || task.milestones?.length) && <TaskObjectiveStrip task={task} artifacts={artifacts} />}
+      {(artifacts.some(isManagerVisibleArtifact) || task.milestones?.length) && <TaskObjectiveStrip task={task} artifacts={artifacts.filter(isManagerVisibleArtifact)} />}
       <MemoryEntryPanel taskId={task.id} entries={memoryEntries} />
       <SharedScratchPanel sessions={sessions} />
       {taskError && (
@@ -4539,6 +4539,10 @@ function isTerminalPullRequestState(state: PullRequestState["state"] | undefined
   return normalized === "MERGED" || normalized === "CLOSED";
 }
 
+function isManagerVisibleArtifact(artifact: Artifact): boolean {
+  return artifact.kind.trim().toLowerCase() !== "worker_log";
+}
+
 function formatDuration(start: string, end: string): string {
   const startMs = Date.parse(start);
   const endMs = Date.parse(end);
@@ -7073,7 +7077,7 @@ function deriveManagerSummaryForTask(snapshot: AppSnapshot, taskId: string): Man
     activeWorkers,
     activeWorkItems,
     pullRequests: pullRequests.filter((pr) => !isTerminalPullRequestState(pr.state)).length,
-    artifacts: artifacts.length,
+    artifacts: artifacts.filter(isManagerVisibleArtifact).length,
     latestAction,
     latestActionAt,
     latestActionLabel,