ui: rounded touch keys, vertically centered row keys, right-aligned connection status on the wallets page

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

src/Decentralized/TerminalWindow.cs

@@ -1003,15 +1003,21 @@ namespace Decentralized
                 Cell(b, cols[1], w.Address, false, TextAnchor.MiddleLeft);
                 Cell(b, cols[2], Fmt.Credits(w.Value(Session.Price)), false, TextAnchor.MiddleRight);
                 Cell(b, cols[3], Fmt.Credits(w.Taint), false, TextAnchor.MiddleRight);
-                b.BeginPanel(cols[4], 28f, TextAnchor.MiddleLeft, 0f, 0f);
+                // 操作键一组（垂直居中、固定高度），连接状态单独靠右
+                b.BeginPanel(cols[4] - 140f, 32f, TextAnchor.MiddleLeft, 0f, 0f);
                 _clear.Add(b.Last.image);
                 b.BeginRow(4f, TextAnchor.MiddleLeft);
-                b.AddButton(L.T("wallets.open"), () => WalletWindow.Open(w));
-                b.AddButton(L.T("hw.copy"), () => { Clipboard.Copy(w.Address); _message = L.T("hw.copied.addr", w.Address); Open(); });
-                b.AddButton(L.T("wallets.rename"), () => { _renamePick = w.Address; _renameText = w.Label ?? ""; _message = null; Open(); });
-                if (idx != d.Current) b.AddButton(L.T("wallets.use"), () => { d.Current = idx; Session.Save(); Open(); });
+                RowKey(b, L.T("wallets.open"), () => WalletWindow.Open(w));
+                RowKey(b, L.T("hw.copy"), () => { Clipboard.Copy(w.Address); _message = L.T("hw.copied.addr", w.Address); Open(); });
+                RowKey(b, L.T("wallets.rename"), () => { _renamePick = w.Address; _renameText = w.Label ?? ""; _message = null; Open(); });
+                if (idx > 0) RowKey(b, _destroyPick == w.Address ? L.T("wallets.destroy.sure") : L.T("wallets.destroy"), () => DestroyWallet(w));
+                b.End();
+                b.End();
+                b.BeginPanel(100f, 32f, TextAnchor.MiddleRight, 0f, 0f);
+                _clear.Add(b.Last.image);
+                b.BeginRow(0f, TextAnchor.MiddleRight);
+                if (idx != d.Current) RowKey(b, L.T("wallets.use"), () => { d.Current = idx; Session.Save(); Open(); });
                 else b.AddLabel(L.T("wallets.current"), "wallets_cur_dim");
-                if (idx > 0) b.AddButton(_destroyPick == w.Address ? L.T("wallets.destroy.sure") : L.T("wallets.destroy"), () => DestroyWallet(w));
                 b.End();
                 b.End();
                 b.End();
@@ -1020,6 +1026,16 @@ namespace Decentralized
             if (_renamePick != null) RenameRow(b);
         }
 
+        /// <summary>表格行里的操作键：固定 24 高，垂直居中（行高 32）。</summary>
+        private static void RowKey(CustomUIBuilder b, string text, Action onClick)
+        {
+            b.AddButton(text, onClick);
+            var go = b.Last.root;
+            if (go == null) return;
+            var le = go.GetComponent<LayoutElement>() ?? go.AddComponent<LayoutElement>();
+            le.minHeight = 24f; le.preferredHeight = 24f; le.flexibleHeight = 0f;
+        }
+
         private static string _destroyPick, _renamePick, _renameText = "";
 
         /// <summary>改名：表格下方一行输入框；留空恢复默认名。</summary>