矿架 5×4、拖电子元件升级、状态面板；型号鉴定统一为一个指出型号按钮

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

src/Decentralized/RigStatus.cs

@@ -0,0 +1,20 @@
+using System.Runtime.CompilerServices;
+
+namespace Decentralized
+{
+    /// <summary>矿架窗口里的状态面板：显卡数、耗电、算力。每台矿架一组文字，更新矿架时一并刷新。</summary>
+    public static class RigStatus
+    {
+        private static readonly ConditionalWeakTable<GameItem, MachineryText[]> Table = new ConditionalWeakTable<GameItem, MachineryText[]>();
+
+        public static void Add(GameItem rig, MachineryText[] lines) { Table.Remove(rig); Table.Add(rig, lines); }
+
+        public static void Show(GameItem rig, int cards, int slots, int kj, double mhs)
+        {
+            if (!Table.TryGetValue(rig, out var t) || t.Length < 3) return;
+            t[0].SetStatus(L.T("rig.st.cards"), $"{cards}/{slots}");
+            t[1].SetStatus(L.T("rig.st.power"), L.T("rig.st.kj", kj));
+            t[2].SetStatus(L.T("rig.st.hash"), $"{Fmt.Num(mhs)} MH/s");
+        }
+    }
+}