diff --git a/pkg/agent/loop.go b/pkg/agent/loop.go
index 79db7c5..e2ce00f 100644
--- a/pkg/agent/loop.go
+++ b/pkg/agent/loop.go
@@ -310,18 +310,14 @@ func (al *AgentLoop) lockSessionRun(sessionKey string) func() {
 }
 
 func (al *AgentLoop) processInbound(ctx context.Context, msg bus.InboundMessage) {
-	taskID, noticeCount, stopNotice := al.startLongRunNotice(ctx, msg)
-	defer stopNotice()
+	taskID := fmt.Sprintf("%s-%d", shortSessionKey(msg.SessionKey), time.Now().Unix()%100000)
+	started := time.Now()
 
 	response, err := al.processMessage(ctx, msg)
 	if err != nil {
 		response = fmt.Sprintf("Error processing message: %v", err)
 	}
 
-	if noticeCount != nil && *noticeCount > 0 && response != "" {
-		response = fmt.Sprintf("任务ID %s 已完成。\n\n%s", taskID, response)
-	}
-
 	trigger := al.getTrigger(msg)
 	suppressed := false
 	if response != "" {
@@ -335,40 +331,7 @@ func (al *AgentLoop) processInbound(ctx context.Context, msg bus.InboundMessage)
 		al.bus.PublishOutbound(bus.OutboundMessage{Channel: msg.Channel, ChatID: msg.ChatID, Action: "finalize"})
 	}
 	al.audit.Record(trigger, msg.Channel, msg.SessionKey, suppressed, err)
-}
-
-func (al *AgentLoop) startLongRunNotice(ctx context.Context, msg bus.InboundMessage) (string, *int, func()) {
-	first := 45 * time.Second
-	interval := 45 * time.Second
-	if v := os.Getenv("CLAWGO_LONGRUN_NOTICE_SEC"); v != "" {
-		if n, err := strconv.Atoi(v); err == nil && n > 0 {
-			first = time.Duration(n) * time.Second
-			interval = first
-		}
-	}
-	taskID := fmt.Sprintf("%s-%d", shortSessionKey(msg.SessionKey), time.Now().Unix()%100000)
-	stop := make(chan struct{})
-	notified := 0
-	go func() {
-		t := time.NewTimer(first)
-		defer t.Stop()
-		for {
-			select {
-			case <-ctx.Done():
-				return
-			case <-stop:
-				return
-			case <-t.C:
-				notified++
-				text := fmt.Sprintf("任务ID %s 正在执行中（第%d次进度通知）…", taskID, notified)
-				if outbound, ok := al.prepareOutbound(msg, text); ok {
-					al.bus.PublishOutbound(outbound)
-				}
-				t.Reset(interval)
-			}
-		}
-	}()
-	return taskID, &notified, func() { close(stop) }
+	al.appendTaskAudit(taskID, msg, started, err, suppressed)
 }
 
 func shortSessionKey(s string) string {
@@ -378,6 +341,39 @@ func shortSessionKey(s string) string {
 	return s[:8]
 }
 
+func (al *AgentLoop) appendTaskAudit(taskID string, msg bus.InboundMessage, started time.Time, runErr error, suppressed bool) {
+	if al.workspace == "" {
+		return
+	}
+	path := filepath.Join(al.workspace, "memory", "task-audit.jsonl")
+	_ = os.MkdirAll(filepath.Dir(path), 0755)
+	status := "success"
+	if runErr != nil {
+		status = "error"
+	} else if suppressed {
+		status = "suppressed"
+	}
+	row := map[string]interface{}{
+		"task_id":      taskID,
+		"time":         time.Now().UTC().Format(time.RFC3339),
+		"channel":      msg.Channel,
+		"session":      msg.SessionKey,
+		"chat_id":      msg.ChatID,
+		"sender_id":    msg.SenderID,
+		"status":       status,
+		"duration_ms":  int(time.Since(started).Milliseconds()),
+		"error":        func() string { if runErr != nil { return runErr.Error() }; return "" }(),
+		"input_preview": truncate(strings.ReplaceAll(msg.Content, "\n", " "), 180),
+	}
+	b, _ := json.Marshal(row)
+	f, err := os.OpenFile(path, os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0644)
+	if err != nil {
+		return
+	}
+	defer f.Close()
+	_, _ = f.Write(append(b, '\n'))
+}
+
 func sessionShardCount() int {
 	if v := strings.TrimSpace(os.Getenv("CLAWGO_SESSION_SHARDS")); v != "" {
 		if n, err := strconv.Atoi(v); err == nil && n > 0 {
diff --git a/pkg/nodes/registry_server.go b/pkg/nodes/registry_server.go
index 881b7d0..780dd41 100644
--- a/pkg/nodes/registry_server.go
+++ b/pkg/nodes/registry_server.go
@@ -88,6 +88,7 @@ func (s *RegistryServer) Start(ctx context.Context) error {
 	mux.HandleFunc("/webui/api/skills", s.handleWebUISkills)
 	mux.HandleFunc("/webui/api/sessions", s.handleWebUISessions)
 	mux.HandleFunc("/webui/api/memory", s.handleWebUIMemory)
+	mux.HandleFunc("/webui/api/task_audit", s.handleWebUITaskAudit)
 	mux.HandleFunc("/webui/api/exec_approvals", s.handleWebUIExecApprovals)
 	mux.HandleFunc("/webui/api/logs/stream", s.handleWebUILogsStream)
 	mux.HandleFunc("/webui/api/logs/recent", s.handleWebUILogsRecent)
@@ -1339,6 +1340,50 @@ func (s *RegistryServer) handleWebUIMemory(w http.ResponseWriter, r *http.Reques
 	}
 }
 
+func (s *RegistryServer) handleWebUITaskAudit(w http.ResponseWriter, r *http.Request) {
+	if !s.checkAuth(r) {
+		http.Error(w, "unauthorized", http.StatusUnauthorized)
+		return
+	}
+	if r.Method != http.MethodGet {
+		http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
+		return
+	}
+	path := filepath.Join(strings.TrimSpace(s.workspacePath), "memory", "task-audit.jsonl")
+	limit := 100
+	if v := r.URL.Query().Get("limit"); v != "" {
+		if n, err := strconv.Atoi(v); err == nil && n > 0 {
+			if n > 500 {
+				n = 500
+			}
+			limit = n
+		}
+	}
+	b, err := os.ReadFile(path)
+	if err != nil {
+		_ = json.NewEncoder(w).Encode(map[string]interface{}{"ok": true, "items": []map[string]interface{}{}})
+		return
+	}
+	lines := strings.Split(string(b), "\n")
+	if len(lines) > 0 && lines[len(lines)-1] == "" {
+		lines = lines[:len(lines)-1]
+	}
+	if len(lines) > limit {
+		lines = lines[len(lines)-limit:]
+	}
+	items := make([]map[string]interface{}, 0, len(lines))
+	for _, ln := range lines {
+		if ln == "" {
+			continue
+		}
+		var row map[string]interface{}
+		if err := json.Unmarshal([]byte(ln), &row); err == nil {
+			items = append(items, row)
+		}
+	}
+	_ = json.NewEncoder(w).Encode(map[string]interface{}{"ok": true, "items": items})
+}
+
 func (s *RegistryServer) handleWebUIExecApprovals(w http.ResponseWriter, r *http.Request) {
 	if !s.checkAuth(r) {
 		http.Error(w, "unauthorized", http.StatusUnauthorized)