unify pipeline, load friends leaderboard from homepage data

lib/components/pages/new_entry/new_entry_draft_logic.dart

@@ -324,6 +324,14 @@ extension _NewEntryDraftLogic on _NewEntryPageState {
               "distance": _routeResult!.distance,
             },
       "tractionItems": _serializeTractionItems(),
+      "shareUserIds": _shareUserIds.toList(),
+      "shareUsers": _shareUsers
+          .map((u) => {
+                "user_id": u.userId,
+                "username": u.username,
+                "full_name": u.fullName,
+              })
+          .toList(),
     };
   }
 

lib/objects/objects.dart

@@ -350,6 +350,7 @@ class HomepageStats {
   final List<YearlyMileage> yearlyMileage;
   final List<LocoSummary> topLocos;
   final List<LeaderboardEntry> leaderboard;
+  final List<LeaderboardEntry> friendsLeaderboard;
   final List<TripSummary> trips;
   final int legCount;
   final UserData? user;
@@ -359,6 +360,7 @@ class HomepageStats {
     required this.yearlyMileage,
     required this.topLocos,
     required this.leaderboard,
+    required this.friendsLeaderboard,
     required this.trips,
     required this.legCount,
     this.user,
@@ -370,6 +372,17 @@ class HomepageStats {
     final totalMileage = mileageData is Map && mileageData['mileage'] != null
         ? (mileageData['mileage'] as num).toDouble()
         : 0.0;
+    List<LeaderboardEntry> parseLeaderboard(dynamic raw) {
+      if (raw is List) {
+        return raw
+            .whereType<Map>()
+            .map((e) => LeaderboardEntry.fromJson(
+                  e.map((k, v) => MapEntry(k.toString(), v)),
+                ))
+            .toList();
+      }
+      return const [];
+    }
     return HomepageStats(
       totalMileage: totalMileage,
       yearlyMileage: (json['yearly_mileage'] as List? ?? [])
@@ -378,9 +391,9 @@ class HomepageStats {
       topLocos: (json['top_locos'] as List? ?? [])
           .map((e) => LocoSummary.fromJson(e))
           .toList(),
-      leaderboard: (json['leaderboard_data'] as List? ?? [])
-          .map((e) => LeaderboardEntry.fromJson(e))
-          .toList(),
+      leaderboard: parseLeaderboard(json['leaderboard_data'] ?? json['leaderboard']),
+      friendsLeaderboard:
+          parseLeaderboard(json['friends_leaderboard'] ?? json['friendsLeaderboard']),
       trips: (json['trip_data'] as List? ?? [])
           .map((e) => TripSummary.fromJson(e))
           .toList(),

lib/services/data_service/data_service_core.dart

@@ -169,10 +169,12 @@ class DataService extends ChangeNotifier {
       _homepageStats = HomepageStats.fromJson(json);
       _trips = [...(_homepageStats?.trips ?? const [])]
         ..sort(TripSummary.compareByDateDesc);
+      _friendsLeaderboard = _homepageStats?.friendsLeaderboard ?? [];
     } catch (e) {
       debugPrint('Failed to fetch homepage stats: $e');
       _homepageStats = null;
       _trips = [];
+      _friendsLeaderboard = [];
     } finally {
       _isHomepageLoading = false;
       _notifyAsync();