refactor(tests): improve comments for clarity in ChannelFiltering test case

pkg/tools/spawn_status_test.go

@@ -384,7 +384,11 @@ func TestSpawnStatusTool_ChannelFiltering_NoContext(t *testing.T) {
 
 	tool := NewSpawnStatusTool(manager)
 
-	// No tool context (e.g. CLI) — callerChannel and callerChatID are both "".
+	// No ToolContext injected (e.g. a direct programmatic call that bypasses
+	// WithToolContext entirely) — callerChannel and callerChatID are both "".
+	// Note: the normal CLI path uses ProcessDirectWithChannel("cli", "direct"),
+	// which *does* inject a non-empty context; this test covers the case where
+	// no context injection happens at all.
 	// The filter conditions require a non-empty caller value, so all tasks pass through.
 	result := tool.Execute(context.Background(), map[string]any{})
 	if result.IsError {

pkg/tools/subagent.go

@@ -111,7 +111,6 @@ func (sm *SubagentManager) Spawn(
 func (sm *SubagentManager) runTask(ctx context.Context, task *SubagentTask, callback AsyncCallback) {
 	sm.mu.Lock()
 	task.Status = "running"
-	task.Created = time.Now().UnixMilli()
 	sm.mu.Unlock()
 
 	// Build system prompt for subagent