fix(traffic): объединять чтения истории общего сервера

docs/ux-ui/acceptance/traffic-users193-peak193-api-result.json

@@ -0,0 +1,26 @@
+{
+  "date": "2026-10-13",
+  "block": "12.5.193",
+  "version": "1.0.0-test.peak193",
+  "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": 0.012681146152317524,
+      "txTotalGiB": 0.0009067924693226814,
+      "currentState": "current"
+    },
+    {
+      "sourceId": "2",
+      "volumeUnit": "GiB",
+      "rxTotalGiB": 0.0011999299749732018,
+      "txTotalGiB": 0.0014469381421804428,
+      "currentState": "current"
+    }
+  ],
+  "newRouterOSCommands": 0,
+  "passwordChanges": 0,
+  "messages": 0
+}