fix(web): дождаться ответа backend при длительной speed-команде

docs/ux-ui/acceptance/speed-unreachable-proxy-before-2026-10-08.json

@@ -0,0 +1,40 @@
+{
+  "date": "2026-10-08",
+  "source": "8782054",
+  "database": "mmapp_acceptance_20261007",
+  "frontendReceipt": 500,
+  "proxyLog": "Failed to proxy speed-test: socket hang up ECONNRESET",
+  "nativeCalls": 1,
+  "nativeStatuses": [],
+  "snapshot": {
+    "last_status": "error",
+    "last_tx_avg_mbps": 42,
+    "last_rx_avg_mbps": null,
+    "last_run_at": "2026-10-08T02:33:03.080Z"
+  },
+  "history": {
+    "id": "speed-1791426754414",
+    "probeId": "acceptance-browser-unreachable",
+    "srcServerId": "1",
+    "dstServerId": "2",
+    "srcInterface": "",
+    "dstInterface": "",
+    "protocol": "tcp",
+    "direction": "transmit",
+    "durationSec": 3,
+    "txAvgMbps": null,
+    "rxAvgMbps": null,
+    "status": "error",
+    "error": "BTTest timeout/socket hang up: \u043f\u0440\u043e\u0432\u0435\u0440\u044c \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u043e\u0441\u0442\u044c destination, /tool bandwidth-server, firewall \u0438 \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u043d\u043e\u0441\u0442\u044c \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u043e\u0432",
+    "createdAt": "2026-10-08T02:33:03.083Z",
+    "srcAddress": null,
+    "dstAddress": null,
+    "srcInterfaceAddress": null,
+    "dstInterfaceAddress": null,
+    "afterBtPing": {
+      "rttMs": null,
+      "lossPct": null,
+      "error": null
+    }
+  }
+}