added ledger as souec of funds for payouts

frontend/pshared/lib/provider/payment/wallets.dart

@@ -13,7 +13,6 @@ import 'package:pshared/provider/resource.dart';
 import 'package:pshared/service/payment/wallets.dart';
 import 'package:pshared/utils/exception.dart';
 
-
 class WalletsProvider with ChangeNotifier {
   final WalletsService _service;
   OrganizationsProvider? _organizations;
@@ -31,11 +30,13 @@ class WalletsProvider with ChangeNotifier {
   bool get isRefreshingBalances => _isRefreshingBalances;
 
   final Set<String> _refreshingWallets = <String>{};
-  bool isWalletRefreshing(String walletRef) => _refreshingWallets.contains(walletRef);
+  bool isWalletRefreshing(String walletRef) =>
+      _refreshingWallets.contains(walletRef);
 
   // Expose current org id so UI controller can reset per-org state if needed.
-  String? get organizationRef => 
-    (_organizations?.isOrganizationSet ?? false) ? _organizations!.current.id : null;
+  String? get organizationRef => (_organizations?.isOrganizationSet ?? false)
+      ? _organizations!.current.id
+      : null;
 
   // Used to ignore stale async results (org changes / overlapping requests).
   int _opSeq = 0;
@@ -67,13 +68,25 @@ class WalletsProvider with ChangeNotifier {
     _isRefreshingBalances = false;
     _refreshingWallets.clear();
 
-    _applyResource(_resource.copyWith(isLoading: true, error: null), notify: true);
+    _applyResource(
+      _resource.copyWith(isLoading: true, error: null),
+      notify: true,
+    );
 
     try {
       final base = await _service.getWallets(orgId);
+      if (seq != _opSeq) return;
+
+      // Publish wallets as soon as the list is available, then hydrate balances.
+      _isRefreshingBalances = true;
+      _applyResource(
+        Resource<List<Wallet>>(data: base, isLoading: false, error: null),
+        notify: true,
+      );
 
       final result = await _withBalances(orgId, base);
       if (seq != _opSeq) return;
+      _isRefreshingBalances = false;
 
       _applyResource(
         Resource<List<Wallet>>(
@@ -85,6 +98,7 @@ class WalletsProvider with ChangeNotifier {
       );
     } catch (e) {
       if (seq != _opSeq) return;
+      _isRefreshingBalances = false;
 
       _applyResource(
         _resource.copyWith(isLoading: false, error: toException(e)),
@@ -145,7 +159,10 @@ class WalletsProvider with ChangeNotifier {
       final balance = await _service.getBalance(orgId, walletRef);
       if ((_walletSeq[walletRef] ?? 0) != seq) return;
 
-      final next = _replaceWallet(walletRef, (w) => w.copyWith(balance: balance));
+      final next = _replaceWallet(
+        walletRef,
+        (w) => w.copyWith(balance: balance),
+      );
       if (next == null) return;
 
       _applyResource(_resource.copyWith(data: next), notify: false);
@@ -169,7 +186,10 @@ class WalletsProvider with ChangeNotifier {
     final org = _organizations;
     if (org == null || !org.isOrganizationSet) return;
 
-    _applyResource(_resource.copyWith(isLoading: true, error: null), notify: true);
+    _applyResource(
+      _resource.copyWith(isLoading: true, error: null),
+      notify: true,
+    );
 
     try {
       await _service.create(
@@ -180,19 +200,28 @@ class WalletsProvider with ChangeNotifier {
       );
       await loadWalletsWithBalances();
     } catch (e) {
-      _applyResource(_resource.copyWith(isLoading: false, error: toException(e)), notify: true);
+      _applyResource(
+        _resource.copyWith(isLoading: false, error: toException(e)),
+        notify: true,
+      );
       rethrow;
     }
   }
 
   // ---------- internals ----------
 
-  void _applyResource(Resource<List<Wallet>> newResource, {required bool notify}) {
+  void _applyResource(
+    Resource<List<Wallet>> newResource, {
+    required bool notify,
+  }) {
     _resource = newResource;
     if (notify) notifyListeners();
   }
 
-  List<Wallet>? _replaceWallet(String walletRef, Wallet Function(Wallet) updater) {
+  List<Wallet>? _replaceWallet(
+    String walletRef,
+    Wallet Function(Wallet) updater,
+  ) {
     final idx = wallets.indexWhere((w) => w.id == walletRef);
     if (idx < 0) return null;
 
@@ -201,7 +230,10 @@ class WalletsProvider with ChangeNotifier {
     return next;
   }
 
-  Future<_WalletLoadResult> _withBalances(String orgRef, List<Wallet> base) async {
+  Future<_WalletLoadResult> _withBalances(
+    String orgRef,
+    List<Wallet> base,
+  ) async {
     Exception? firstError;
 
     final withBalances = await _mapConcurrent<Wallet, Wallet>(
@@ -239,7 +271,10 @@ class WalletsProvider with ChangeNotifier {
       }
     }
 
-    final workers = List.generate(min(concurrency, items.length), (_) => worker());
+    final workers = List.generate(
+      min(concurrency, items.length),
+      (_) => worker(),
+    );
     await Future.wait(workers);
 
     return results.cast<R>();