wallet card redesign

frontend/pweb/lib/controllers/dashboard/balance/source_copy.dart

@@ -0,0 +1,35 @@
+import 'package:flutter/services.dart';
+
+
+class BalanceCopyState {
+  final String label;
+  final String payload;
+
+  const BalanceCopyState({required this.label, required this.payload});
+
+  bool get canCopy => payload.trim().isNotEmpty;
+}
+
+class BalanceSourceCopyController {
+  const BalanceSourceCopyController();
+
+  BalanceCopyState wallet(String? depositAddress) {
+    return BalanceCopyState(
+      label: 'Copy Deposit Address',
+      payload: depositAddress?.trim() ?? '',
+    );
+  }
+
+  BalanceCopyState ledger(String? accountCode) {
+    return BalanceCopyState(
+      label: 'Copy Deposit Address',
+      payload: accountCode?.trim() ?? '',
+    );
+  }
+
+  Future<bool> copy(BalanceCopyState state) async {
+    if (!state.canCopy) return false;
+    await Clipboard.setData(ClipboardData(text: state.payload));
+    return true;
+  }
+}