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/views/HostsView.vue

@@ -15,6 +15,7 @@
       </select>
     </label>
     <button type="button" class="secondary" @click="applyFilters">Найти</button>
+    <button type="button" @click="manualAddOpen = true">Добавить вручную</button>
   </div>
   <p v-if="error" class="error">{{ error }}</p>
   <p v-else-if="loading">Загрузка…</p>
@@ -108,6 +109,11 @@
       </tbody>
     </table>
   </template>
+  <HostManualAddModal
+    :open="manualAddOpen"
+    @close="manualAddOpen = false"
+    @started="onManualAddStarted"
+  />
 </template>
 
 <script setup lang="ts">
@@ -133,10 +139,12 @@ import {
 } from "../utils/hostAgentUpgrade";
 import {
   isHostRemoteActionActive,
+  pollHostRemoteAction,
   runHostRemoteAction,
   showHostRemoteActionLog,
 } from "../composables/useHostRemoteAction";
 import HostAgentVersionUpgrade from "../components/HostAgentVersionUpgrade.vue";
+import HostManualAddModal from "../components/HostManualAddModal.vue";
 
 const router = useRouter();
 const route = useRoute();
@@ -200,6 +208,7 @@ const initialSort = loadHostsSortPrefs();
 const sortBy = ref<SortKey>(initialSort.sortBy);
 const sortDir = ref<"asc" | "desc">(initialSort.sortDir);
 const deletingId = ref<number | null>(null);
+const manualAddOpen = ref(false);
 let patchingHostRow = false;
 let unsubscribeHostPatch: (() => void) | null = null;
 
@@ -404,6 +413,11 @@ interface HostDeleteResponse {
   deleted_problems: number;
 }
 
+async function onManualAddStarted(payload: { hostId: number; title: string }) {
+  await loadHosts();
+  void pollHostRemoteAction(payload.hostId, payload.title);
+}
+
 async function confirmDelete(h: HostSummary) {
   const label = h.display_name || h.hostname;
   const n = h.event_count ?? 0;