feat: Windows admin in Settings UI and WinRM host test (0.10.1)

Store domain admin in ui_settings (DB overrides env); qwinsta/logoff use effective config.
Host card: POST /hosts/{id}/actions/winrm-test via pywinrm.

frontend/src/views/HostDetailView.vue

@@ -47,6 +47,17 @@
           <dd>{{ host.event_count ?? 0 }}</dd>
         </div>
       </dl>
+      <div v-if="isWindowsHost" class="host-actions">
+        <button
+          type="button"
+          class="secondary"
+          :disabled="testingWinRm"
+          @click="runWinRmTest"
+        >
+          {{ testingWinRm ? "Проверка…" : "Проверить WinRM (admin)" }}
+        </button>
+        <p v-if="winRmTestMessage" :class="winRmTestOk ? 'success' : 'error'">{{ winRmTestMessage }}</p>
+      </div>
     </div>
 
     <section v-if="inventory" class="host-inventory card">
@@ -165,6 +176,7 @@ import {
   apiFetch,
   fetchHost,
   fetchRecentEvents,
+  testHostWinRm,
   type EventListResponse,
   type HostDetail,
 } from "../api";
@@ -180,6 +192,9 @@ const error = ref("");
 const eventsError = ref("");
 const eventsPage = ref(1);
 const eventsPageSize = 50;
+const testingWinRm = ref(false);
+const winRmTestMessage = ref("");
+const winRmTestOk = ref(false);
 let refreshingLive = false;
 
 useSacLiveEventStream(() => {
@@ -188,6 +203,13 @@ useSacLiveEventStream(() => {
 
 const hostId = computed(() => parseInt(props.id, 10));
 
+const isWindowsHost = computed(() => {
+  const h = host.value;
+  if (!h) return false;
+  if ((h.os_family || "").toLowerCase() === "windows") return true;
+  return h.product === "rdp-login-monitor";
+});
+
 const inventory = computed(() => host.value?.inventory ?? null);
 
 const windowsFields = computed(() => {
@@ -266,6 +288,7 @@ function agentLabel(status: string) {
 async function loadHost() {
   loading.value = true;
   error.value = "";
+  winRmTestMessage.value = "";
   try {
     host.value = await fetchHost(hostId.value);
   } catch (e) {
@@ -275,6 +298,21 @@ async function loadHost() {
   }
 }
 
+async function runWinRmTest() {
+  testingWinRm.value = true;
+  winRmTestMessage.value = "";
+  try {
+    const result = await testHostWinRm(hostId.value);
+    winRmTestOk.value = result.ok;
+    winRmTestMessage.value = result.message;
+  } catch (e) {
+    winRmTestOk.value = false;
+    winRmTestMessage.value = e instanceof Error ? e.message : "Ошибка проверки WinRM";
+  } finally {
+    testingWinRm.value = false;
+  }
+}
+
 async function refreshFromLatestEvent() {
   if (refreshingLive) return;
   refreshingLive = true;