fix: platform-specific placeholder in agent update log modal (v0.5.13)

Windows WinRM updates no longer show the Linux /var/log/update_script.log hint while output is still empty.

frontend/src/components/HostActionLogModal.vue

@@ -67,8 +67,6 @@ import { fetchHostRemoteJob, type HostRemoteActionJobStatus } from "../api";
 
 const LOG_POLL_MS = 1500;
 const AUTO_CLOSE_MS = 30_000;
-const PLACEHOLDER =
-  "Ожидание лога с хоста…\n(обновление /var/log/update_script.log)";
 
 const props = defineProps<{
   hostId: number;
@@ -78,6 +76,7 @@ const props = defineProps<{
   ok: boolean | null;
   message: string;
   output: string;
+  logPlaceholder: string;
   logVisible: boolean;
   sessionStartedAt: string;
 }>();
@@ -135,7 +134,7 @@ const displayMessage = computed(() => {
 
 const displayOutput = computed(() => {
   const text = (polledOutput.value || props.output).trim();
-  return text || PLACEHOLDER;
+  return text || props.logPlaceholder;
 });
 
 function stopPoll() {

frontend/src/components/HostActionLogStack.vue

@@ -10,6 +10,7 @@
         :ok="entry.ok"
         :message="entry.message"
         :output="entry.output"
+        :log-placeholder="entry.logPlaceholder"
         :log-visible="entry.logVisible"
         :session-started-at="entry.sessionStartedAt"
         @close="closeHostRemoteActionLog(entry.id)"

frontend/src/composables/useHostRemoteAction.ts

@@ -22,6 +22,8 @@ export type HostRemoteActionLogEntry = {
   title: string;
   message: string;
   output: string;
+  /** Текст в окне лога, пока output с сервера ещё пустой */
+  logPlaceholder: string;
   /** ISO-время открытия окна — отсекаем stale success от прошлого job */
   sessionStartedAt: string;
 };
@@ -189,6 +191,7 @@ async function executeRemoteAction(
 export async function pollHostRemoteAction(
   hostId: number,
   title: string,
+  logPlaceholder?: string,
 ): Promise<HostRemoteActionJobStatus | null> {
   const existingPromise = hostRunningPromises.get(hostId);
   if (existingPromise) {
@@ -209,6 +212,7 @@ export async function pollHostRemoteAction(
     title,
     message: "Выполняется на удалённом хосте…",
     output: "",
+    logPlaceholder: logPlaceholder || "Ожидание лога с хоста…",
     sessionStartedAt: new Date().toISOString(),
   };
   hostRemoteActionLogs.push(entry);
@@ -240,6 +244,7 @@ export async function runHostRemoteAction(
   hostId: number,
   title: string,
   kind: HostRemoteActionKind,
+  logPlaceholder?: string,
 ): Promise<HostRemoteActionJobStatus | null> {
   const existingPromise = hostRunningPromises.get(hostId);
   if (existingPromise) {
@@ -260,6 +265,7 @@ export async function runHostRemoteAction(
     title,
     message: "Запуск на сервере SAC…",
     output: "",
+    logPlaceholder: logPlaceholder || "Ожидание лога с хоста…",
     sessionStartedAt: new Date().toISOString(),
   };
   hostRemoteActionLogs.push(entry);

frontend/src/utils/hostAgentUpgrade.ts

@@ -58,3 +58,37 @@ export function remoteActionTitleForHost(host: HostSummary): string {
   }
   return `Обновление ssh-monitor (SSH): ${label}`;
 }
+
+const LOG_PLACEHOLDER_SSH_UPDATE =
+  "Ожидание лога с хоста…\n(обновление /var/log/update_script.log)";
+
+const LOG_PLACEHOLDER_WINRM =
+  "Ожидание вывода с хоста…\n(WinRM: Deploy-LoginMonitor.ps1)";
+
+const LOG_PLACEHOLDER_GENERIC = "Ожидание лога с хоста…";
+
+export function remoteActionLogPlaceholder(
+  host: Pick<HostSummary, "os_family" | "product"> | null | undefined,
+  kind: HostRemoteActionKind | null,
+): string {
+  if (kind === "ssh-update") {
+    return LOG_PLACEHOLDER_SSH_UPDATE;
+  }
+  if (host && isWindowsAgentHost(host)) {
+    return LOG_PLACEHOLDER_WINRM;
+  }
+  if (kind === "fallback") {
+    return LOG_PLACEHOLDER_SSH_UPDATE;
+  }
+  return LOG_PLACEHOLDER_GENERIC;
+}
+
+export function remoteActionLogPlaceholderFromTitle(title: string): string {
+  if (/winrm/i.test(title)) {
+    return LOG_PLACEHOLDER_WINRM;
+  }
+  if (/ssh-monitor|\/var\/log\/update_script/i.test(title)) {
+    return LOG_PLACEHOLDER_SSH_UPDATE;
+  }
+  return LOG_PLACEHOLDER_GENERIC;
+}

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 = "0.5.12";
+export const APP_VERSION = "0.5.13";
 export const APP_VERSION_LABEL = `${APP_NAME} v.${APP_VERSION}`;

frontend/src/views/HostDetailView.vue

@@ -315,6 +315,7 @@ import {
 import {
   isLinuxAgentHost,
   remoteActionKindForHost,
+  remoteActionLogPlaceholder,
   remoteActionTitleForHost,
   type AgentGitVersions,
 } from "../utils/hostAgentUpgrade";
@@ -638,7 +639,7 @@ async function runRequestAgentUpdate() {
 async function runAgentFallback() {
   agentControlMessage.value = "";
   const title = isWindowsHost.value ? "Обновление через WinRM" : "Fallback SSH (ssh-monitor)";
-  const job = await runHostRemoteAction(hostId.value, title, "fallback");
+  const job = await runHostRemoteAction(hostId.value, title, "fallback", remoteActionLogPlaceholder(host.value, "fallback"));
   if (job) {
     agentControlOk.value = job.ok ?? false;
     if (job.ok) {
@@ -706,6 +707,7 @@ async function runAgentUpdate() {
     hostId.value,
     "Обновление ssh-monitor (SSH)",
     "ssh-update",
+    remoteActionLogPlaceholder(host.value, "ssh-update"),
   );
   if (job?.ok) {
     const detail = await fetchHost(hostId.value);
@@ -728,6 +730,7 @@ async function runAgentUpgradeFromCell() {
     hostId.value,
     remoteActionTitleForHost(host.value),
     kind,
+    remoteActionLogPlaceholder(host.value, kind),
   );
   if (job?.ok) {
     const detail = await fetchHost(hostId.value);

frontend/src/views/HostsView.vue

@@ -135,6 +135,8 @@ import { isAgentVersionOutdated } from "../utils/agentVersion";
 import {
   isGitAgentUpgradeAvailable,
   remoteActionKindForHost,
+  remoteActionLogPlaceholder,
+  remoteActionLogPlaceholderFromTitle,
   remoteActionTitleForHost,
 } from "../utils/hostAgentUpgrade";
 import {
@@ -289,7 +291,12 @@ async function startAgentUpgrade(h: HostSummary) {
   }
   const kind = remoteActionKindForHost(h);
   if (!kind) return;
-  void runHostRemoteAction(h.id, remoteActionTitleForHost(h), kind);
+  void runHostRemoteAction(
+    h.id,
+    remoteActionTitleForHost(h),
+    kind,
+    remoteActionLogPlaceholder(h, kind),
+  );
 }
 
 function openHost(id: number) {
@@ -450,7 +457,11 @@ interface HostDeleteResponse {
 
 async function onManualAddStarted(payload: { hostId: number; title: string }) {
   await loadHosts();
-  void pollHostRemoteAction(payload.hostId, payload.title);
+  void pollHostRemoteAction(
+    payload.hostId,
+    payload.title,
+    remoteActionLogPlaceholderFromTitle(payload.title),
+  );
 }
 
 async function confirmDelete(h: HostSummary) {