Add accent colour picker, fix empty user card when accepting friend request, add button to transfer allocations

lib/services/data_service/data_service_friendships.dart

@@ -151,6 +151,8 @@ extension DataServiceFriendships on DataService {
       overrideAddressee: targetUser,
     );
     _pendingOutgoing = [friendship, ..._pendingOutgoing];
+    await fetchFriendships();
+    await fetchPendingFriendships();
     _notifyAsync();
     return friendship;
   }
@@ -159,6 +161,8 @@ extension DataServiceFriendships on DataService {
     final json = await api.post('/friendships/$friendshipId/accept', {});
     final friendship = _parseAndUpsertFriendship(json, fallbackStatus: 'accepted');
     _pendingIncoming = _pendingIncoming.where((f) => f.id != friendshipId).toList();
+    await fetchFriendships();
+    await fetchPendingFriendships();
     _notifyAsync();
     return friendship;
   }
@@ -177,6 +181,8 @@ extension DataServiceFriendships on DataService {
         _parseAndRemoveFriendship(json, friendshipId, status: 'none');
     _pendingOutgoing =
         _pendingOutgoing.where((f) => f.id != friendshipId).toList();
+    await fetchFriendships();
+    await fetchPendingFriendships();
     _notifyAsync();
     return friendship;
   }
@@ -193,6 +199,8 @@ extension DataServiceFriendships on DataService {
         _pendingIncoming.where((f) => f.id != friendshipId).toList();
     _pendingOutgoing =
         _pendingOutgoing.where((f) => f.id != friendshipId).toList();
+    await fetchFriendships();
+    await fetchPendingFriendships();
     _notifyAsync();
   }
 

lib/services/data_service/data_service_traction.dart

@@ -466,6 +466,21 @@ extension DataServiceTraction on DataService {
     }
   }
 
+  Future<void> transferAllocations({
+    required int fromLocoId,
+    required int toLocoId,
+  }) async {
+    try {
+      await api.post('/loco/alloc/transfer', {
+        'loco_id': fromLocoId,
+        'to_loco_id': toLocoId,
+      });
+    } catch (e) {
+      debugPrint('Failed to transfer allocations $fromLocoId -> $toLocoId: $e');
+      rethrow;
+    }
+  }
+
   Future<void> adminDeleteLoco({required int locoId}) async {
     try {
       await api.delete('/loco/admin/delete/$locoId');