fix: replace .defaultGoal with DailyGoal() to avoid macro expansion issue

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

ios/Platform/Platform/Features/Fitness/Repository/FitnessRepository.swift

@@ -98,7 +98,7 @@ final class FitnessRepository {
 
     /// Kept for GoalsViewModel compatibility — loads entries + goals into the old-style properties.
     var entries: [FoodEntry] = []
-    var goals: DailyGoal = .defaultGoal
+    var goals: DailyGoal = DailyGoal()
 
     func loadDay(date: String) async {
         isLoading = true

ios/Platform/Platform/Features/Fitness/ViewModels/TodayViewModel.swift

@@ -3,7 +3,7 @@ import Foundation
 @MainActor @Observable
 final class TodayViewModel {
     var entries: [FoodEntry] = []
-    var goal: DailyGoal = .defaultGoal
+    var goal: DailyGoal = DailyGoal()
     var selectedDate: Date = Date()
     var isLoading = true
     var errorMessage: String?

ios/Platform/Platform/Features/Home/HomeViewModel.swift

@@ -3,7 +3,7 @@ import Foundation
 @MainActor @Observable
 final class HomeViewModel {
     var todayEntries: [FoodEntry] = []
-    var goal: DailyGoal = .defaultGoal
+    var goal: DailyGoal = DailyGoal()
     var isLoading = true
     var errorMessage: String?