feat: live update log in UI and suppress lifecycle Telegram during SAC update

Poll remote update_script.log while SSH update runs; skip lifecycle notify
when host agent_update_state is running (SAC v0.5.1).

frontend/src/components/HostActionLogModal.vue

@@ -19,8 +19,18 @@
       </p>
       <p v-if="message && !loading" class="host-action-log-message" :class="messageClass">{{ message }}</p>
       <p v-else-if="message && loading" class="muted host-action-log-sub host-action-log-message">{{ message }}</p>
-      <pre v-if="output" class="host-action-log-output">{{ output }}</pre>
+      <pre v-if="output || (loading && logVisible)" class="host-action-log-output">{{
+        output || "Ожидание лога с хоста…\n(обновление /var/log/update_script.log)"
+      }}</pre>
       <div class="host-action-log-actions">
+        <button
+          v-if="loading"
+          type="button"
+          class="secondary"
+          @click="emit('toggle-log')"
+        >
+          {{ logVisible ? "Скрыть лог" : "Показать лог" }}
+        </button>
         <button v-if="loading" type="button" class="secondary" @click="emit('close')">
           Свернуть
         </button>
@@ -42,10 +52,12 @@ const props = defineProps<{
   ok: boolean | null;
   message: string;
   output: string;
+  logVisible: boolean;
 }>();
 
 const emit = defineEmits<{
   close: [];
+  "toggle-log": [];
 }>();
 
 const messageClass = computed(() => {

frontend/src/components/HostActionLogStack.vue

@@ -9,7 +9,9 @@
       :ok="entry.ok"
       :message="entry.message"
       :output="entry.output"
+      :log-visible="entry.logVisible"
       @close="closeHostRemoteActionLog(entry.id)"
+      @toggle-log="toggleHostRemoteActionLog(entry.id)"
     />
   </div>
 </template>
@@ -20,6 +22,7 @@ import HostActionLogModal from "./HostActionLogModal.vue";
 import {
   closeHostRemoteActionLog,
   hostRemoteActionLogs,
+  toggleHostRemoteActionLog,
 } from "../composables/useHostRemoteAction";
 
 const openLogs = computed(() => hostRemoteActionLogs.filter((e) => e.open));

frontend/src/composables/useHostRemoteAction.ts

@@ -16,6 +16,7 @@ export type HostRemoteActionLogEntry = {
   id: string;
   hostId: number;
   open: boolean;
+  logVisible: boolean;
   loading: boolean;
   ok: boolean | null;
   title: string;
@@ -180,6 +181,7 @@ export async function pollHostRemoteAction(
     id: newLogId(),
     hostId,
     open: true,
+    logVisible: false,
     loading: true,
     ok: null,
     title,
@@ -229,6 +231,7 @@ export async function runHostRemoteAction(
     id: newLogId(),
     hostId,
     open: true,
+    logVisible: false,
     loading: true,
     ok: null,
     title,
@@ -246,6 +249,13 @@ export async function runHostRemoteAction(
   }
 }
 
+export function toggleHostRemoteActionLog(entryId: string) {
+  const entry = findLogById(entryId);
+  if (!entry) return;
+  entry.logVisible = !entry.logVisible;
+  entry.open = true;
+}
+
 export function closeHostRemoteActionLog(entryId: string) {
   clearAutoCloseTimer(entryId);
   const entry = findLogById(entryId);