feat: manual host add from Hosts list via WinRM/SSH (0.4.5)

Add host button probes Windows by hostname or Linux by IP, registers host in SAC and deploys agent in background.

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/src/composables/useHostRemoteAction.ts

@@ -163,6 +163,54 @@ async function executeRemoteAction(
   }
 }
 
+export async function pollHostRemoteAction(
+  hostId: number,
+  title: string,
+): Promise<HostRemoteActionJobStatus | null> {
+  const existingPromise = hostRunningPromises.get(hostId);
+  if (existingPromise) {
+    const existing = findLoadingLogForHost(hostId);
+    if (existing) {
+      existing.open = true;
+    }
+    return existingPromise;
+  }
+
+  const entry: HostRemoteActionLogEntry = {
+    id: newLogId(),
+    hostId,
+    open: true,
+    loading: true,
+    ok: null,
+    title,
+    message: "Выполняется на удалённом хосте…",
+    output: "",
+  };
+  hostRemoteActionLogs.push(entry);
+
+  const promise = (async () => {
+    try {
+      const job = await pollRemoteJob(hostId, entry);
+      finishEntry(entry, job);
+      await patchHostFromJob(hostId, job);
+      return job;
+    } catch (e) {
+      entry.loading = false;
+      entry.ok = false;
+      entry.message = e instanceof Error ? e.message : "Ошибка выполнения";
+      entry.open = true;
+      return null;
+    }
+  })();
+
+  hostRunningPromises.set(hostId, promise);
+  try {
+    return await promise;
+  } finally {
+    hostRunningPromises.delete(hostId);
+  }
+}
+
 export async function runHostRemoteAction(
   hostId: number,
   title: string,