diff --git a/backend/app/version.py b/backend/app/version.py
index 28d1fca..789d830 100644
--- a/backend/app/version.py
+++ b/backend/app/version.py
@@ -1,5 +1,5 @@
 """Единый источник версии SAC (API, health, логи, OpenAPI)."""
 
 APP_NAME = "Security Alert Center"
-APP_VERSION = "0.20.23"
+APP_VERSION = "0.20.24"
 APP_VERSION_LABEL = f"{APP_NAME} v.{APP_VERSION}"
diff --git a/frontend/package.json b/frontend/package.json
index f17df46..f2499fc 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -1,7 +1,7 @@
-{
+{
   "name": "sac-ui",
   "private": true,
-  "version": "0.11.1",
+  "version": "0.11.2",
   "type": "module",
   "scripts": {
     "dev": "vite",
diff --git a/frontend/src/composables/useHostRemoteAction.ts b/frontend/src/composables/useHostRemoteAction.ts
index cb01be9..4053e96 100644
--- a/frontend/src/composables/useHostRemoteAction.ts
+++ b/frontend/src/composables/useHostRemoteAction.ts
@@ -1,4 +1,4 @@
-import { reactive } from "vue";
+import { reactive } from "vue";
 import {
   ApiError,
   fetchHost,
@@ -23,11 +23,29 @@ export const hostRemoteActionLog = reactive({
 });
 
 const POLL_MS = 1500;
+const SUCCESS_AUTO_CLOSE_MS = 30_000;
+
+let successAutoCloseTimer: ReturnType<typeof setTimeout> | null = null;
 
 function sleep(ms: number): Promise<void> {
   return new Promise((resolve) => setTimeout(resolve, ms));
 }
 
+function clearSuccessAutoCloseTimer() {
+  if (successAutoCloseTimer != null) {
+    clearTimeout(successAutoCloseTimer);
+    successAutoCloseTimer = null;
+  }
+}
+
+function scheduleSuccessAutoClose() {
+  clearSuccessAutoCloseTimer();
+  successAutoCloseTimer = setTimeout(() => {
+    hostRemoteActionLog.open = false;
+    successAutoCloseTimer = null;
+  }, SUCCESS_AUTO_CLOSE_MS);
+}
+
 function applyJobToModal(job: HostRemoteActionJobStatus) {
   hostRemoteActionLog.title = job.title || hostRemoteActionLog.title;
   hostRemoteActionLog.message = job.message || hostRemoteActionLog.message;
@@ -39,6 +57,9 @@ function finishModal(job: HostRemoteActionJobStatus) {
   hostRemoteActionLog.ok = job.ok ?? job.status === "success";
   applyJobToModal(job);
   hostRemoteActionLog.open = true;
+  if (hostRemoteActionLog.ok) {
+    scheduleSuccessAutoClose();
+  }
 }
 
 async function pollRemoteJob(hostId: number): Promise<HostRemoteActionJobStatus> {
@@ -83,6 +104,7 @@ export async function runHostRemoteAction(
   title: string,
   kind: HostRemoteActionKind,
 ): Promise<HostRemoteActionJobStatus | null> {
+  clearSuccessAutoCloseTimer();
   hostRemoteActionLog.open = true;
   hostRemoteActionLog.loading = true;
   hostRemoteActionLog.ok = null;
@@ -116,6 +138,7 @@ export async function runHostRemoteAction(
 }
 
 export function closeHostRemoteActionLog() {
+  clearSuccessAutoCloseTimer();
   hostRemoteActionLog.open = false;
 }
 
diff --git a/frontend/src/version.ts b/frontend/src/version.ts
index 61ecfb2..b1997aa 100644
--- a/frontend/src/version.ts
+++ b/frontend/src/version.ts
@@ -1,4 +1,4 @@
 /** Fallback до загрузки /health; при релизе держите в sync с backend/app/version.py */
 export const APP_NAME = "Security Alert Center";
-export const APP_VERSION = "0.20.23";
+export const APP_VERSION = "0.20.24";
 export const APP_VERSION_LABEL = `${APP_NAME} v.${APP_VERSION}`;
diff --git a/frontend/src/views/HostDetailView.vue b/frontend/src/views/HostDetailView.vue
index 431d149..aeabe66 100644
--- a/frontend/src/views/HostDetailView.vue
+++ b/frontend/src/views/HostDetailView.vue
@@ -1,4 +1,4 @@
-<template>
+<template>
   <p><RouterLink to="/hosts">← Хосты</RouterLink></p>
   <p v-if="error" class="error">{{ error }}</p>
   <p v-else-if="loading">Загрузка…</p>
@@ -623,9 +623,11 @@ async function runAgentFallback() {
     const job = await runHostRemoteAction(hostId.value, title, "fallback");
     if (job) {
       agentControlOk.value = job.ok ?? false;
-      agentControlMessage.value = job.message || "";
       if (job.ok) {
+        agentControlMessage.value = "";
         await loadHost();
+      } else {
+        agentControlMessage.value = job.message || "";
       }
     }
   } finally {