fix: correctly stop agents

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

core/action/definition.go

@@ -14,7 +14,7 @@ type ActionContext struct {
 }
 
 func (ac *ActionContext) Cancel() {
-	if ac.cancelFunc == nil {
+	if ac.cancelFunc != nil {
 		ac.cancelFunc()
 	}
 }

core/agent/agent.go

@@ -198,6 +198,7 @@ var ErrContextCanceled = fmt.Errorf("context canceled")
 func (a *Agent) Stop() {
 	a.Lock()
 	defer a.Unlock()
+	xlog.Debug("Stopping agent", "agent", a.Character.Name)
 	a.context.Cancel()
 }
 

core/state/pool.go

@@ -369,7 +369,6 @@ func (a *AgentPool) startAgentWithConfig(name string, config *AgentConfig) error
 	go func() {
 		if err := agent.Run(); err != nil {
 			xlog.Error("Agent stopped", "error", err.Error(), "name", name)
-			panic(err)
 		}
 	}()