fix(traffic): считать общий пик по совпадающим интервалам

docs/ux-ui/acceptance/traffic-peak191-peak191-api-result.json

@@ -0,0 +1,26 @@
+{
+  "date": "2026-10-13",
+  "block": "12.5.191",
+  "version": "1.0.0-test.peak191",
+  "passed": true,
+  "method": "Read-only actual application volume API; no new native RouterOS commands; exact edge values covered separately by owned SQL",
+  "cases": [
+    {
+      "sourceId": "1",
+      "volumeUnit": "GiB",
+      "rxTotalGiB": 0.012759584002196789,
+      "txTotalGiB": 0.0008463365957140923,
+      "currentState": "current"
+    },
+    {
+      "sourceId": "2",
+      "volumeUnit": "GiB",
+      "rxTotalGiB": 0.0011972729116678238,
+      "txTotalGiB": 0.0014407914131879807,
+      "currentState": "current"
+    }
+  ],
+  "newRouterOSCommands": 0,
+  "passwordChanges": 0,
+  "messages": 0
+}