fix: SSH update log modal shows completion and full tail (v0.5.6)

Fetch final update_script.log tail after agent-update, update title/message on success, show log by default; auto-close after 30s unchanged.

frontend/src/components/HostActionLogModal.vue

@@ -2,7 +2,11 @@
   <div v-if="open" class="host-action-log-dock" aria-live="polite">
     <div class="host-action-log-panel" role="dialog" :aria-label="title">
       <div class="host-action-log-header">
-        <h3>{{ title }}</h3>
+        <h3>
+          <span v-if="!loading && ok === true" class="host-action-log-mark host-action-log-mark-ok" aria-hidden="true">✓</span>
+          <span v-else-if="!loading && ok === false" class="host-action-log-mark host-action-log-mark-fail" aria-hidden="true">✗</span>
+          {{ title }}
+        </h3>
         <button
           type="button"
           class="host-action-log-icon-btn"
@@ -19,6 +23,7 @@
       </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>
+      <p v-if="!loading && ok" class="muted host-action-log-sub">Окно закроется автоматически через ~30 с</p>
       <pre v-if="logVisible" class="host-action-log-output">{{
         output || "Ожидание лога с хоста…\n(обновление /var/log/update_script.log)"
       }}</pre>
@@ -94,6 +99,22 @@ const messageClass = computed(() => {
   margin: 0;
   font-size: 1rem;
   line-height: 1.3;
+  display: flex;
+  align-items: flex-start;
+  gap: 0.35rem;
+}
+
+.host-action-log-mark {
+  flex-shrink: 0;
+  font-weight: 700;
+}
+
+.host-action-log-mark-ok {
+  color: #3fb950;
+}
+
+.host-action-log-mark-fail {
+  color: #f85149;
 }
 
 .host-action-log-icon-btn {

frontend/src/composables/useHostRemoteAction.ts

@@ -91,6 +91,7 @@ function finishEntry(entry: HostRemoteActionLogEntry, job: HostRemoteActionJobSt
   entry.loading = false;
   entry.ok = job.ok ?? job.status === "success";
   applyJobToEntry(entry, job);
+  entry.logVisible = true;
   entry.open = true;
   if (entry.ok) {
     scheduleSuccessAutoClose(entry.id);
@@ -181,7 +182,7 @@ export async function pollHostRemoteAction(
     id: newLogId(),
     hostId,
     open: true,
-    logVisible: false,
+    logVisible: true,
     loading: true,
     ok: null,
     title,
@@ -231,7 +232,7 @@ export async function runHostRemoteAction(
     id: newLogId(),
     hostId,
     open: true,
-    logVisible: false,
+    logVisible: true,
     loading: true,
     ok: null,
     title,