feat: show RDP session duration in Overview and Events (0.5.16)

Add session_duration_sec to EventSummary and a Duration column (HH:MM:SS / Nd HH:MM:SS).

frontend/src/api.ts

@@ -192,6 +192,7 @@ export interface EventSummary {
   title: string;
   summary: string;
   actor_user?: string | null;
+  session_duration_sec?: number | null;
   rdg_flap?: boolean;
   rdg_flap_pair_event_id?: number | null;
   rdg_flap_qwinsta_event_id?: number | null;

frontend/src/utils/sessionDuration.ts

@@ -0,0 +1,17 @@
+"""Human-readable session_duration_sec for event tables."""
+
+export function formatSessionDuration(seconds: number | null | undefined): string {
+  if (seconds == null || !Number.isFinite(seconds) || seconds < 0) {
+    return "—";
+  }
+  const total = Math.floor(seconds);
+  const days = Math.floor(total / 86_400);
+  const hours = Math.floor((total % 86_400) / 3600);
+  const minutes = Math.floor((total % 3600) / 60);
+  const secs = total % 60;
+  const clock = `${String(hours).padStart(2, "0")}:${String(minutes).padStart(2, "0")}:${String(secs).padStart(2, "0")}`;
+  if (days > 0) {
+    return `${days}д ${clock}`;
+  }
+  return clock;
+}

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 = "0.5.15";
+export const APP_VERSION = "0.5.16";
 export const APP_VERSION_LABEL = `${APP_NAME} v.${APP_VERSION}`;

frontend/src/views/DashboardView.vue

@@ -238,6 +238,8 @@
 
           <th>Пользователь</th>
 
+          <th title="Длительность сессии (из session_duration_sec)">Длительность</th>
+
           <th>Версия агента</th>
 
           <th>Severity</th>
@@ -276,6 +278,8 @@
 
           <td>{{ e.actor_user || "—" }}</td>
 
+          <td>{{ formatSessionDuration(e.session_duration_sec) }}</td>
+
           <td>{{ e.product_version || "—" }}</td>
 
           <td :class="'sev-' + e.severity">{{ e.severity }}</td>
@@ -354,6 +358,7 @@ import RdgQwinstaModal from "../components/RdgQwinstaModal.vue";
 import { useRdgQwinsta } from "../composables/useRdgQwinsta";
 import { formatServerName } from "../utils/hostDisplay";
 import { hasRdgFlapUi, rdgQwinstaEventId } from "../utils/rdgFlap";
+import { formatSessionDuration } from "../utils/sessionDuration";
 import { markEventSessionTerminatedInList, showEventSessionTerminateButton } from "../utils/sessionActions";
 
 const { qwinstaLoadingId, qwinstaModal, closeQwinstaModal, runQwinsta, runLogoff } = useRdgQwinsta();

frontend/src/views/EventsView.vue

@@ -34,6 +34,7 @@
           <th>Хост</th>
           <th>Имя сервера</th>
           <th>Пользователь</th>
+          <th title="Длительность сессии (из session_duration_sec)">Длительность</th>
           <th>Версия агента</th>
           <th>Severity</th>
           <th>Type</th>
@@ -50,6 +51,7 @@
           <td>{{ e.hostname }}</td>
           <td>{{ formatServerName(e.display_name) }}</td>
           <td>{{ e.actor_user || "—" }}</td>
+          <td>{{ formatSessionDuration(e.session_duration_sec) }}</td>
           <td>{{ e.product_version || "—" }}</td>
           <td :class="'sev-' + e.severity">{{ e.severity }}</td>
           <td><code>{{ e.type }}</code></td>
@@ -120,6 +122,7 @@ import {
   type EventsListState,
 } from "../utils/eventsListQuery";
 import { formatServerName } from "../utils/hostDisplay";
+import { formatSessionDuration } from "../utils/sessionDuration";
 import { markEventSessionTerminatedInList, showEventSessionTerminateButton } from "../utils/sessionActions";
 
 const route = useRoute();