feat: enhance logging for agent registration, heartbeat, and configuration sync processes

atsf_agent/internal/agent/runner.go

@@ -32,15 +32,22 @@ func (r *Runner) Run(ctx context.Context) error {
 	if err != nil {
 		return err
 	}
+	log.Printf("agent runner started: node_id=%s node=%s ip=%s", nodeID, r.Config.NodeName, r.Config.NodeIP)
 	if err = r.HeartbeatService.Register(ctx, r.nodePayload(nodeID)); err != nil {
 		log.Printf("agent register failed: %v", err)
+	} else {
+		log.Printf("agent register succeeded: node_id=%s", nodeID)
 	}
 	if err = r.SyncService.SyncOnStartup(ctx); err != nil {
 		r.recordSyncError(err)
 		log.Printf("agent startup sync failed: %v", err)
+	} else {
+		log.Printf("agent startup sync completed")
 	}
 	if err = r.HeartbeatService.Heartbeat(ctx, r.nodePayload(nodeID)); err != nil {
 		log.Printf("agent startup heartbeat failed: %v", err)
+	} else {
+		log.Printf("agent startup heartbeat succeeded: node_id=%s", nodeID)
 	}
 
 	heartbeatTicker := time.NewTicker(r.Config.HeartbeatInterval)
@@ -51,15 +58,19 @@ func (r *Runner) Run(ctx context.Context) error {
 	for {
 		select {
 		case <-ctx.Done():
+			log.Printf("agent runner shutting down: %v", ctx.Err())
 			return ctx.Err()
 		case <-heartbeatTicker.C:
 			if err = r.HeartbeatService.Heartbeat(ctx, r.nodePayload(nodeID)); err != nil {
 				log.Printf("agent heartbeat failed: %v", err)
 			}
 		case <-syncTicker.C:
+			log.Printf("agent sync tick: node_id=%s", nodeID)
 			if err = r.SyncService.SyncOnce(ctx); err != nil {
 				r.recordSyncError(err)
 				log.Printf("agent sync failed: %v", err)
+			} else {
+				log.Printf("agent sync completed")
 			}
 		}
 	}
@@ -75,6 +86,7 @@ func (r *Runner) recordSyncError(err error) {
 		return
 	}
 	snapshot.LastError = err.Error()
+	log.Printf("recording sync error into state: %s", snapshot.LastError)
 	if saveErr := r.StateStore.Save(snapshot); saveErr != nil {
 		log.Printf("save state after sync error failed: %v", saveErr)
 	}