feat(monitoring): загрузка истории метрик через REST

Refs EventHub/EventHubFrontAdmin#25

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

src/api/monitoringApi.ts

@@ -0,0 +1,11 @@
+import apiClient from './client';
+import { NodeMetric } from '../store/metricsStore';
+
+export const monitoringApi = {
+    getNodeMetrics: async (from: string, to: string, node = 'all'): Promise<NodeMetric[]> => {
+        const { data } = await apiClient.get<NodeMetric[]>('/v1/admin/nodes/metrics', {
+            params: { from, to, node },
+        });
+        return data;
+    },
+};