feat(NetworkMapUnifi): add short speed formatting and country flag display to network edges

frontend/src/NetworkMapUnifi.jsx

@@ -1,5 +1,6 @@
 import { useMemo, useCallback, useState, useRef, useEffect } from 'react';
 import { IconRefresh, IconMaximize, IconMinimize } from '@tabler/icons-react';
+import { countryToFlag } from './utils/serverUtils.js';
 
 const UNIFI_BG = '#0f172a';
 const UNIFI_CARD_BG = '#1e293b';
@@ -64,6 +65,22 @@ function formatMbps(bps) {
   return `${mbps.toFixed(1)} Мбит/с`;
 }
 
+/** Короткий формат скорости для подписи на ребре: "↓287 ↑170 Мбит/с" */
+function formatSpeedShort(downloadBps, uploadBps) {
+  const fmt = (v) => {
+    if (v == null || Number.isNaN(v)) return '—';
+    const mbps = v / 1_000_000;
+    if (!Number.isFinite(mbps)) return '—';
+    return mbps >= 10 ? Math.round(mbps) : mbps.toFixed(1);
+  };
+  const down = fmt(downloadBps);
+  const up = fmt(uploadBps);
+  if (down === '—' && up === '—') return null;
+  if (down === '—') return `↑${up} Мбит/с`;
+  if (up === '—') return `↓${down} Мбит/с`;
+  return `↓${down} ↑${up} Мбит/с`;
+}
+
 function speedKey(key1, key2) {
   return [String(key1), String(key2)].sort().join(':');
 }
@@ -197,7 +214,7 @@ export default function NetworkMapUnifi({ servers = [], connections = [], pingMa
       const speed = speedMap[sk];
       const speedLabel =
         speed && (speed.tcpDownloadBps != null || speed.tcpUploadBps != null)
-          ? `↓ ${formatMbps(speed.tcpDownloadBps)} ↑ ${formatMbps(speed.tcpUploadBps)}`
+          ? formatSpeedShort(speed.tcpDownloadBps, speed.tcpUploadBps)
           : null;
       return {
         edgeKey: `${from}-${to}-${c.tunnelType || ''}`,
@@ -299,9 +316,9 @@ export default function NetworkMapUnifi({ servers = [], connections = [], pingMa
         <g>
           {(() => {
             const used = [];
-            const LABEL_W = 64;
-            const LABEL_H = 20;
-            const LABEL_GAP = 4;
+            const LABEL_W = 100;
+            const LABEL_H = 18;
+            const LABEL_GAP = 6;
             return edgesWithPing.map((e, idx) => {
               const dimFactor =
                 hoveredEdgeKey && hoveredEdgeKey !== e.edgeKey ? 0.25 : 1;
@@ -331,39 +348,40 @@ export default function NetworkMapUnifi({ servers = [], connections = [], pingMa
                 const labels = [e.pingLabel, e.speedLabel].filter(Boolean);
                 if (labels.length === 0) return null;
                 let level = 0;
+                const totalH = labels.length * LABEL_H + (labels.length - 1) * LABEL_GAP;
                 while (
                   level < 10 &&
                   used.some(
                     (p) =>
                       Math.abs(p.x - x) < LABEL_W &&
-                      Math.abs(p.y - (y + level * (LABEL_H + LABEL_GAP))) < (labels.length * (LABEL_H + LABEL_GAP))
+                      Math.abs(p.y - (y + level * (totalH + 8))) < totalH + 16
                   )
                 ) {
                   level += 1;
                 }
-                y = y + level * (LABEL_H + LABEL_GAP);
+                y = y + level * (totalH + 8);
                 used.push({ x, y });
 
-                const pad = 6;
+                const pad = 8;
                 return (
                   <g>
                     {labels.map((text, i) => {
-                      const yy = y + i * (LABEL_H + LABEL_GAP);
-                      const w = Math.min(text.length * 5.5 + pad * 2, 140);
-                      const h = 18;
+                      const yy = y + i * (LABEL_H + LABEL_GAP) + LABEL_H / 2;
+                      const w = Math.max(LABEL_W, Math.min(text.length * 6 + pad * 2, 160));
+                      const h = LABEL_H + 4;
                       return (
                         <g key={i}>
-                          <rect x={x - w / 2} y={yy - h / 2} width={w} height={h} rx={4} fill="rgba(15,23,42,0.9)" stroke={UNIFI_GREEN} strokeWidth={1} />
+                          <rect x={x - w / 2} y={yy - h / 2} width={w} height={h} rx={4} fill="rgba(15,23,42,0.92)" stroke={UNIFI_GREEN} strokeWidth={1} />
                           <text
                             x={x}
                             y={yy}
                             textAnchor="middle"
                             dominantBaseline="middle"
                             fill={UNIFI_GREEN}
-                            fontSize={i === 0 ? 11 : 10}
+                            fontSize={i === 0 ? 12 : 11}
                             fontWeight={600}
                           >
-                            {text.length > 24 ? text.slice(0, 22) + '…' : text}
+                            {text}
                           </text>
                         </g>
                       );
@@ -400,6 +418,20 @@ export default function NetworkMapUnifi({ servers = [], connections = [], pingMa
                 strokeWidth={1}
               />
               <g transform={`translate(${NODE_WIDTH / 2}, ${NODE_HEIGHT / 2})`}>
+                {/* Флаг страны в левом верхнем углу карточки */}
+                {s.country && (
+                  <text
+                    x={-NODE_WIDTH / 2 + 14}
+                    y={-NODE_HEIGHT / 2 + 14}
+                    textAnchor="middle"
+                    dominantBaseline="middle"
+                    fontSize={14}
+                    style={{ pointerEvents: 'none' }}
+                    title={s.country}
+                  >
+                    {countryToFlag(s.country)}
+                  </text>
+                )}
                 {/* Иконка сервера в стиле UNIFI: прямоугольник с «портами» */}
                 <g transform="translate(-10, -16)">
                   <rect x={2} y={0} width={16} height={12} rx={2} fill="none" stroke={UNIFI_GREEN} strokeWidth={1.5} />