diff --git a/nanobot/channels/websocket.py b/nanobot/channels/websocket.py
index 1a048db8..3e5b6783 100644
--- a/nanobot/channels/websocket.py
+++ b/nanobot/channels/websocket.py
@@ -846,19 +846,6 @@ class WebSocketChannel(BaseChannel):
             self.logger.exception("send failed{}", label)
             raise
 
-    def _all_subscribed_connections(self) -> list[Any]:
-        """Return every live WebUI connection that is subscribed to at least one chat."""
-        seen: set[int] = set()
-        conns: list[Any] = []
-        for subscribers in self._subs.values():
-            for connection in subscribers:
-                marker = id(connection)
-                if marker in seen:
-                    continue
-                seen.add(marker)
-                conns.append(connection)
-        return conns
-
     async def send(self, msg: OutboundMessage) -> None:
         if msg.metadata.get("_runtime_model_updated"):
             await self.send_runtime_model_updated(
@@ -1161,7 +1148,7 @@ class WebSocketChannel(BaseChannel):
 
     async def send_session_updated(self, chat_id: str, *, scope: str | None = None) -> None:
         """Notify WebUI clients that a session row should refresh."""
-        conns = self._all_subscribed_connections()
+        conns = list(self._conn_chats)
         if not conns:
             return
         body: dict[str, Any] = {"event": "session_updated", "chat_id": chat_id}
diff --git a/nanobot/webui/session_automations.py b/nanobot/webui/session_automations.py
index 0680dde7..55e748d6 100644
--- a/nanobot/webui/session_automations.py
+++ b/nanobot/webui/session_automations.py
@@ -5,7 +5,9 @@ from __future__ import annotations
 from collections.abc import Collection
 from typing import Any, Protocol
 
+from nanobot.cron.session_turns import CRON_HISTORY_META
 from nanobot.cron.types import CronJob
+from nanobot.session.manager import _message_preview_text
 
 
 class _CronServiceLike(Protocol):
@@ -173,13 +175,21 @@ def _origin_payload(
         "preview": preview,
     }
 
+
 def _session_preview(messages: Any) -> str:
     if not isinstance(messages, list):
         return ""
+    fallback_preview = ""
     for message in messages:
         if not isinstance(message, dict):
             continue
-        content = message.get("content")
-        if isinstance(content, str) and content.strip():
-            return content.strip()
-    return ""
+        if message.get(CRON_HISTORY_META) is True:
+            continue
+        text = _message_preview_text(message)
+        if not text:
+            continue
+        if message.get("role") == "user":
+            return text
+        if not fallback_preview and message.get("role") == "assistant":
+            fallback_preview = text
+    return fallback_preview
diff --git a/nanobot/webui/ws_http.py b/nanobot/webui/ws_http.py
index 0cda45a1..9e2981f9 100644
--- a/nanobot/webui/ws_http.py
+++ b/nanobot/webui/ws_http.py
@@ -92,8 +92,6 @@ if TYPE_CHECKING:
 
 
 def _decode_api_key(raw_key: str) -> str | None:
-    from urllib.parse import unquote
-
     key = unquote(raw_key)
     _api_key_re = re.compile(r"^[A-Za-z0-9_:.-]{1,128}$")
     if _api_key_re.match(key) is None:
diff --git a/tests/channels/test_websocket_channel.py b/tests/channels/test_websocket_channel.py
index a164796d..8fb80fcd 100644
--- a/tests/channels/test_websocket_channel.py
+++ b/tests/channels/test_websocket_channel.py
@@ -137,10 +137,6 @@ async def test_send_session_updated_broadcasts_to_other_webui_connections(bus) -
     channel._attach(other_conn, "chat-b")
     assert sorted(channel._subs) == ["chat-a", "chat-b"]
     assert sum(len(conns) for conns in channel._subs.values()) == 2
-    assert {id(conn) for conn in channel._all_subscribed_connections()} == {
-        id(active_conn),
-        id(other_conn),
-    }
 
     await channel.send_session_updated("chat-a", scope="thread")
 
diff --git a/webui/src/components/settings/SettingsView.tsx b/webui/src/components/settings/SettingsView.tsx
index 7a42d8fd..32aab396 100644
--- a/webui/src/components/settings/SettingsView.tsx
+++ b/webui/src/components/settings/SettingsView.tsx
@@ -3870,8 +3870,10 @@ function AutomationActionGroup({
   const tx = (key: string, fallback: string, values?: Record<string, unknown>) =>
     t(key, { defaultValue: fallback, ...(values ?? {}) });
   const canManage = !job.protected;
-  const canRun = canManage && job.enabled && !job.state.pending;
+  const hasLinkedChat = Boolean(job.origin);
+  const canRun = canManage && hasLinkedChat && job.enabled && !job.state.pending;
   const toggleAction: AutomationAction = job.enabled ? "disable" : "enable";
+  const canToggle = canManage && (job.enabled || hasLinkedChat);
   const toggleBusy = actionKey === `${toggleAction}:${job.id}`;
 
   if (!canManage) {
@@ -3906,6 +3908,7 @@ function AutomationActionGroup({
             : tx("settings.automations.resume", "Resume")
         }
         busy={toggleBusy}
+        disabled={!canToggle}
         onClick={() => void onAction(toggleAction, job)}
       >
         {job.enabled ? (
diff --git a/webui/src/i18n/locales/en/common.json b/webui/src/i18n/locales/en/common.json
index c2628f6d..71acd9f6 100644
--- a/webui/src/i18n/locales/en/common.json
+++ b/webui/src/i18n/locales/en/common.json
@@ -472,14 +472,6 @@
       "empty": "No apps match this filter."
     },
     "automations": {
-      "kicker": "Workspace automations",
-      "title": "Automations",
-      "stats": {
-        "active": "Active",
-        "paused": "Paused",
-        "failed": "Needs attention",
-        "system": "System"
-      },
       "filters": {
         "all": "All",
         "active": "Active",
@@ -504,7 +496,6 @@
       "labels": {
         "schedule": "Schedule",
         "next": "Next",
-        "last": "Last",
         "origin": "Linked chat",
         "created": "Created",
         "updated": "Updated"
@@ -516,14 +507,12 @@
       "delete": "Delete",
       "protected": "Protected",
       "editTitle": "Edit automation",
-      "editDescription": "Update the prompt and schedule. The linked chat stays unchanged.",
       "save": "Save",
       "deleteTitle": "Delete automation",
       "deleteDescription": "This removes {{name}} from the cron store. Past chat messages stay in the session.",
       "cancel": "Cancel",
       "status": {
         "system": "System",
-        "pending": "Pending",
         "running": "Running now",
         "paused": "Paused",
         "failed": "Failed",
@@ -569,18 +558,10 @@
         "pending": "Running now",
         "none": "No next run"
       },
-      "last": {
-        "never": "Never",
-        "unknown": "unknown"
-      },
       "message": {
         "showMore": "Show full message",
         "showLess": "Show less"
       },
-      "meta": {
-        "created": "Created {{time}}",
-        "updated": "Updated {{time}}"
-      },
       "fields": {
         "name": "Name",
         "message": "Message",
diff --git a/webui/src/i18n/locales/es/common.json b/webui/src/i18n/locales/es/common.json
index 7f8fd4c5..6856a735 100644
--- a/webui/src/i18n/locales/es/common.json
+++ b/webui/src/i18n/locales/es/common.json
@@ -472,14 +472,6 @@
       "empty": "Ninguna app coincide con este filtro."
     },
     "automations": {
-      "kicker": "Automatizaciones del espacio",
-      "title": "Automatizaciones",
-      "stats": {
-        "active": "Activas",
-        "paused": "Pausadas",
-        "failed": "Requieren atención",
-        "system": "Sistema"
-      },
       "filters": {
         "all": "Todas",
         "active": "Activas",
@@ -504,7 +496,6 @@
       "labels": {
         "schedule": "Programación",
         "next": "Siguiente",
-        "last": "Última",
         "origin": "Chat vinculado",
         "created": "Creada",
         "updated": "Actualizada"
@@ -516,14 +507,12 @@
       "delete": "Eliminar",
       "protected": "Protegida",
       "editTitle": "Editar automatización",
-      "editDescription": "Actualiza el prompt y la programación. El chat vinculado no cambia.",
       "save": "Guardar",
       "deleteTitle": "Eliminar automatización",
       "deleteDescription": "Esto elimina {{name}} del almacén cron. Los mensajes de chat anteriores permanecen en la sesión.",
       "cancel": "Cancelar",
       "status": {
         "system": "Sistema",
-        "pending": "Pendiente",
         "running": "Ejecutándose ahora",
         "paused": "Pausada",
         "failed": "Fallida",
@@ -569,18 +558,10 @@
         "pending": "Ejecutándose ahora",
         "none": "Sin próxima ejecución"
       },
-      "last": {
-        "never": "Nunca",
-        "unknown": "desconocido"
-      },
       "message": {
         "showMore": "Mostrar mensaje completo",
         "showLess": "Mostrar menos"
       },
-      "meta": {
-        "created": "Creada {{time}}",
-        "updated": "Actualizada {{time}}"
-      },
       "fields": {
         "name": "Nombre",
         "message": "Mensaje",
diff --git a/webui/src/i18n/locales/fr/common.json b/webui/src/i18n/locales/fr/common.json
index 8f46c49d..5139d5c5 100644
--- a/webui/src/i18n/locales/fr/common.json
+++ b/webui/src/i18n/locales/fr/common.json
@@ -472,14 +472,6 @@
       "empty": "Aucune app ne correspond."
     },
     "automations": {
-      "kicker": "Automatisations de l’espace",
-      "title": "Automatisations",
-      "stats": {
-        "active": "Actives",
-        "paused": "En pause",
-        "failed": "À traiter",
-        "system": "Système"
-      },
       "filters": {
         "all": "Toutes",
         "active": "Actives",
@@ -504,7 +496,6 @@
       "labels": {
         "schedule": "Planning",
         "next": "Prochaine",
-        "last": "Dernière",
         "origin": "Discussion liée",
         "created": "Créée",
         "updated": "Modifiée"
@@ -516,14 +507,12 @@
       "delete": "Supprimer",
       "protected": "Protégée",
       "editTitle": "Modifier l’automatisation",
-      "editDescription": "Modifiez le prompt et le planning. La discussion liée ne change pas.",
       "save": "Enregistrer",
       "deleteTitle": "Supprimer l’automatisation",
       "deleteDescription": "Cela supprime {{name}} du stockage cron. Les anciens messages de chat restent dans la session.",
       "cancel": "Annuler",
       "status": {
         "system": "Système",
-        "pending": "En attente",
         "running": "En cours d’exécution",
         "paused": "En pause",
         "failed": "Échouée",
@@ -569,18 +558,10 @@
         "pending": "En cours d’exécution",
         "none": "Aucune prochaine exécution"
       },
-      "last": {
-        "never": "Jamais",
-        "unknown": "inconnu"
-      },
       "message": {
         "showMore": "Afficher le message complet",
         "showLess": "Afficher moins"
       },
-      "meta": {
-        "created": "Créée {{time}}",
-        "updated": "Mise à jour {{time}}"
-      },
       "fields": {
         "name": "Nom",
         "message": "Message",
diff --git a/webui/src/i18n/locales/id/common.json b/webui/src/i18n/locales/id/common.json
index 6a6af3e8..884123b5 100644
--- a/webui/src/i18n/locales/id/common.json
+++ b/webui/src/i18n/locales/id/common.json
@@ -472,14 +472,6 @@
       "empty": "Tidak ada aplikasi yang cocok."
     },
     "automations": {
-      "kicker": "Otomasi ruang kerja",
-      "title": "Otomasi",
-      "stats": {
-        "active": "Aktif",
-        "paused": "Dijeda",
-        "failed": "Perlu ditangani",
-        "system": "Sistem"
-      },
       "filters": {
         "all": "Semua",
         "active": "Aktif",
@@ -504,7 +496,6 @@
       "labels": {
         "schedule": "Jadwal",
         "next": "Berikutnya",
-        "last": "Terakhir",
         "origin": "Chat tertaut",
         "created": "Dibuat",
         "updated": "Diperbarui"
@@ -516,14 +507,12 @@
       "delete": "Hapus",
       "protected": "Terlindungi",
       "editTitle": "Edit otomasi",
-      "editDescription": "Perbarui prompt dan jadwal. Chat tertaut tidak berubah.",
       "save": "Simpan",
       "deleteTitle": "Hapus otomasi",
       "deleteDescription": "Ini menghapus {{name}} dari penyimpanan cron. Pesan chat sebelumnya tetap ada di sesi.",
       "cancel": "Batal",
       "status": {
         "system": "Sistem",
-        "pending": "Menunggu",
         "running": "Sedang berjalan",
         "paused": "Dijeda",
         "failed": "Gagal",
@@ -569,18 +558,10 @@
         "pending": "Sedang berjalan",
         "none": "Tidak ada jadwal berikutnya"
       },
-      "last": {
-        "never": "Belum pernah",
-        "unknown": "tidak dikenal"
-      },
       "message": {
         "showMore": "Tampilkan pesan lengkap",
         "showLess": "Tampilkan lebih sedikit"
       },
-      "meta": {
-        "created": "Dibuat {{time}}",
-        "updated": "Diperbarui {{time}}"
-      },
       "fields": {
         "name": "Nama",
         "message": "Pesan",
diff --git a/webui/src/i18n/locales/ja/common.json b/webui/src/i18n/locales/ja/common.json
index d1c7dc63..a1b464f1 100644
--- a/webui/src/i18n/locales/ja/common.json
+++ b/webui/src/i18n/locales/ja/common.json
@@ -472,14 +472,6 @@
       "empty": "一致するアプリはありません。"
     },
     "automations": {
-      "kicker": "ワークスペースの自動タスク",
-      "title": "自動タスク",
-      "stats": {
-        "active": "実行中",
-        "paused": "一時停止",
-        "failed": "要対応",
-        "system": "システム"
-      },
       "filters": {
         "all": "すべて",
         "active": "実行中",
@@ -504,7 +496,6 @@
       "labels": {
         "schedule": "スケジュール",
         "next": "次回",
-        "last": "前回",
         "origin": "関連チャット",
         "created": "作成",
         "updated": "更新"
@@ -516,14 +507,12 @@
       "delete": "削除",
       "protected": "保護済み",
       "editTitle": "自動タスクを編集",
-      "editDescription": "プロンプトとスケジュールを更新します。関連チャットは変更されません。",
       "save": "保存",
       "deleteTitle": "自動タスクを削除",
       "deleteDescription": "{{name}} を cron ストアから削除します。過去のチャットメッセージはセッションに残ります。",
       "cancel": "キャンセル",
       "status": {
         "system": "システム",
-        "pending": "待機中",
         "running": "実行中",
         "paused": "一時停止",
         "failed": "失敗",
@@ -569,18 +558,10 @@
         "pending": "実行中",
         "none": "次回実行なし"
       },
-      "last": {
-        "never": "未実行",
-        "unknown": "不明"
-      },
       "message": {
         "showMore": "メッセージ全文を表示",
         "showLess": "折りたたむ"
       },
-      "meta": {
-        "created": "{{time}} 作成",
-        "updated": "{{time}} 更新"
-      },
       "fields": {
         "name": "名前",
         "message": "メッセージ",
diff --git a/webui/src/i18n/locales/ko/common.json b/webui/src/i18n/locales/ko/common.json
index e6313b7f..0a6cdab2 100644
--- a/webui/src/i18n/locales/ko/common.json
+++ b/webui/src/i18n/locales/ko/common.json
@@ -472,14 +472,6 @@
       "empty": "일치하는 앱이 없습니다."
     },
     "automations": {
-      "kicker": "작업 공간 자동화",
-      "title": "자동화",
-      "stats": {
-        "active": "활성",
-        "paused": "일시 중지",
-        "failed": "확인 필요",
-        "system": "시스템"
-      },
       "filters": {
         "all": "전체",
         "active": "활성",
@@ -504,7 +496,6 @@
       "labels": {
         "schedule": "일정",
         "next": "다음",
-        "last": "마지막",
         "origin": "연결된 채팅",
         "created": "생성",
         "updated": "업데이트"
@@ -516,14 +507,12 @@
       "delete": "삭제",
       "protected": "보호됨",
       "editTitle": "자동화 편집",
-      "editDescription": "프롬프트와 일정을 업데이트합니다. 연결된 채팅은 변경되지 않습니다.",
       "save": "저장",
       "deleteTitle": "자동화 삭제",
       "deleteDescription": "{{name}}을 cron 저장소에서 삭제합니다. 이전 채팅 메시지는 세션에 남습니다.",
       "cancel": "취소",
       "status": {
         "system": "시스템",
-        "pending": "대기 중",
         "running": "실행 중",
         "paused": "일시 중지",
         "failed": "실패",
@@ -569,18 +558,10 @@
         "pending": "실행 중",
         "none": "다음 실행 없음"
       },
-      "last": {
-        "never": "실행된 적 없음",
-        "unknown": "알 수 없음"
-      },
       "message": {
         "showMore": "전체 메시지 보기",
         "showLess": "접기"
       },
-      "meta": {
-        "created": "{{time}} 생성",
-        "updated": "{{time}} 업데이트"
-      },
       "fields": {
         "name": "이름",
         "message": "메시지",
diff --git a/webui/src/i18n/locales/vi/common.json b/webui/src/i18n/locales/vi/common.json
index 9e8f95e9..e5c82164 100644
--- a/webui/src/i18n/locales/vi/common.json
+++ b/webui/src/i18n/locales/vi/common.json
@@ -472,14 +472,6 @@
       "empty": "Không có ứng dụng phù hợp."
     },
     "automations": {
-      "kicker": "Tự động hóa không gian làm việc",
-      "title": "Tự động hóa",
-      "stats": {
-        "active": "Đang chạy",
-        "paused": "Đã tạm dừng",
-        "failed": "Cần xử lý",
-        "system": "Hệ thống"
-      },
       "filters": {
         "all": "Tất cả",
         "active": "Đang chạy",
@@ -504,7 +496,6 @@
       "labels": {
         "schedule": "Lịch",
         "next": "Tiếp theo",
-        "last": "Lần trước",
         "origin": "Cuộc trò chuyện liên kết",
         "created": "Đã tạo",
         "updated": "Đã cập nhật"
@@ -516,14 +507,12 @@
       "delete": "Xóa",
       "protected": "Được bảo vệ",
       "editTitle": "Sửa tự động hóa",
-      "editDescription": "Cập nhật prompt và lịch. Cuộc trò chuyện liên kết không thay đổi.",
       "save": "Lưu",
       "deleteTitle": "Xóa tự động hóa",
       "deleteDescription": "Thao tác này xóa {{name}} khỏi kho cron. Tin nhắn chat trước đó vẫn ở trong phiên.",
       "cancel": "Hủy",
       "status": {
         "system": "Hệ thống",
-        "pending": "Đang chờ",
         "running": "Đang chạy",
         "paused": "Đã tạm dừng",
         "failed": "Thất bại",
@@ -569,18 +558,10 @@
         "pending": "Đang chạy",
         "none": "Không có lần chạy tiếp theo"
       },
-      "last": {
-        "never": "Chưa từng chạy",
-        "unknown": "không xác định"
-      },
       "message": {
         "showMore": "Hiển thị toàn bộ tin nhắn",
         "showLess": "Thu gọn"
       },
-      "meta": {
-        "created": "Tạo lúc {{time}}",
-        "updated": "Cập nhật lúc {{time}}"
-      },
       "fields": {
         "name": "Tên",
         "message": "Tin nhắn",
diff --git a/webui/src/i18n/locales/zh-CN/common.json b/webui/src/i18n/locales/zh-CN/common.json
index 4ff4badb..cd816680 100644
--- a/webui/src/i18n/locales/zh-CN/common.json
+++ b/webui/src/i18n/locales/zh-CN/common.json
@@ -472,14 +472,6 @@
       "empty": "没有匹配的应用。"
     },
     "automations": {
-      "kicker": "工作区自动任务",
-      "title": "自动任务",
-      "stats": {
-        "active": "运行中",
-        "paused": "已暂停",
-        "failed": "异常",
-        "system": "系统"
-      },
       "filters": {
         "all": "全部",
         "active": "运行中",
@@ -504,7 +496,6 @@
       "labels": {
         "schedule": "计划",
         "next": "下次",
-        "last": "上次",
         "origin": "关联会话",
         "created": "创建于",
         "updated": "更新于"
@@ -516,14 +507,12 @@
       "delete": "删除",
       "protected": "受保护",
       "editTitle": "编辑自动任务",
-      "editDescription": "更新提示词和计划；关联会话不会改变。",
       "save": "保存",
       "deleteTitle": "删除自动任务",
       "deleteDescription": "这会从 cron 存储中删除 {{name}}，历史聊天消息会保留在会话中。",
       "cancel": "取消",
       "status": {
         "system": "系统",
-        "pending": "等待中",
         "running": "正在运行",
         "paused": "已暂停",
         "failed": "失败",
@@ -569,18 +558,10 @@
         "pending": "正在运行",
         "none": "没有下次运行"
       },
-      "last": {
-        "never": "从未运行",
-        "unknown": "未知"
-      },
       "message": {
         "showMore": "查看完整消息",
         "showLess": "收起消息"
       },
-      "meta": {
-        "created": "创建于 {{time}}",
-        "updated": "更新于 {{time}}"
-      },
       "fields": {
         "name": "名称",
         "message": "消息",
diff --git a/webui/src/i18n/locales/zh-TW/common.json b/webui/src/i18n/locales/zh-TW/common.json
index fbbb0223..bd5ace9c 100644
--- a/webui/src/i18n/locales/zh-TW/common.json
+++ b/webui/src/i18n/locales/zh-TW/common.json
@@ -472,14 +472,6 @@
       "empty": "沒有符合的應用。"
     },
     "automations": {
-      "kicker": "工作區自動任務",
-      "title": "自動任務",
-      "stats": {
-        "active": "執行中",
-        "paused": "已暫停",
-        "failed": "異常",
-        "system": "系統"
-      },
       "filters": {
         "all": "全部",
         "active": "執行中",
@@ -504,7 +496,6 @@
       "labels": {
         "schedule": "排程",
         "next": "下次",
-        "last": "上次",
         "origin": "關聯會話",
         "created": "建立於",
         "updated": "更新於"
@@ -516,14 +507,12 @@
       "delete": "刪除",
       "protected": "受保護",
       "editTitle": "編輯自動任務",
-      "editDescription": "更新提示詞和排程；關聯會話不會改變。",
       "save": "儲存",
       "deleteTitle": "刪除自動任務",
       "deleteDescription": "這會從 cron 儲存中刪除 {{name}}，歷史聊天訊息會保留在會話中。",
       "cancel": "取消",
       "status": {
         "system": "系統",
-        "pending": "等待中",
         "running": "正在執行",
         "paused": "已暫停",
         "failed": "失敗",
@@ -569,18 +558,10 @@
         "pending": "正在執行",
         "none": "沒有下次執行"
       },
-      "last": {
-        "never": "從未執行",
-        "unknown": "未知"
-      },
       "message": {
         "showMore": "查看完整訊息",
         "showLess": "收起訊息"
       },
-      "meta": {
-        "created": "建立於 {{time}}",
-        "updated": "更新於 {{time}}"
-      },
       "fields": {
         "name": "名稱",
         "message": "訊息",
diff --git a/webui/src/tests/i18n.test.tsx b/webui/src/tests/i18n.test.tsx
index 6f084093..d037b2c6 100644
--- a/webui/src/tests/i18n.test.tsx
+++ b/webui/src/tests/i18n.test.tsx
@@ -48,7 +48,6 @@ const LOCALIZED_SETTINGS_COPY_KEYS = [
   "settings.nav.runtime",
   "settings.nav.advanced",
   "sidebar.automations",
-  "settings.automations.title",
   "settings.automations.filters.active",
   "settings.automations.queue",
   "settings.automations.empty",