feat: qwinsta/logoff buttons on events list and detail (0.20.4)

RDG flap actions were only on the dashboard; add shared composable and
modal so operators can reset stuck sessions from События and event detail.

frontend/src/views/EventDetailView.vue

@@ -7,6 +7,21 @@
   <p v-else-if="loading">Загрузка…</p>
   <template v-else-if="event">
     <h1>{{ event.title }}</h1>
+    <p v-if="event.rdg_flap" class="event-rdg-actions">
+      <button
+        type="button"
+        class="secondary"
+        :disabled="qwinstaLoadingId === event.id"
+        @click="runQwinsta(event)"
+      >
+        qwinsta (RDG flap)
+      </button>
+    </p>
+    <RdgQwinstaModal
+      :modal="qwinstaModal"
+      @close="closeQwinstaModal"
+      @logoff="runLogoff"
+    />
     <div class="card report-meta">
       <dl class="detail-fields">
         <div class="detail-field">
@@ -74,7 +89,9 @@
 import { computed, onMounted, ref, watch } from "vue";
 import { useRoute } from "vue-router";
 import { apiFetch, type EventDetail } from "../api";
+import RdgQwinstaModal from "../components/RdgQwinstaModal.vue";
 import ReportBodyCard from "../components/ReportBodyCard.vue";
+import { useRdgQwinsta } from "../composables/useRdgQwinsta";
 import { eventsBackQueryFromDetail } from "../utils/eventsListQuery";
 import { dailyReportTypeLabel, isDailyReportType } from "../utils/reportDisplay";
 
@@ -84,6 +101,7 @@ const route = useRoute();
 const event = ref<EventDetail | null>(null);
 const loading = ref(false);
 const error = ref("");
+const { qwinstaLoadingId, qwinstaModal, closeQwinstaModal, runQwinsta, runLogoff } = useRdgQwinsta();
 
 const fromReports = computed(() => route.query.from === "reports");
 const isReport = computed(() => (event.value ? isDailyReportType(event.value.type) : false));