restore: original UI views from first build, keep fixed models/API

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

ios/Platform 1.44.16 AM/Platform/Features/Home/HomeViewModel.swift

@@ -0,0 +1,49 @@
+import Foundation
+
+@MainActor @Observable
+final class HomeViewModel {
+    var todayEntries: [FoodEntry] = []
+    var goal: DailyGoal = .defaultGoal
+    var isLoading = true
+    var errorMessage: String?
+
+    private let repo = FitnessRepository.shared
+
+    var totalCalories: Double {
+        todayEntries.reduce(0) { $0 + $1.calories }
+    }
+
+    var totalProtein: Double {
+        todayEntries.reduce(0) { $0 + $1.protein }
+    }
+
+    var totalCarbs: Double {
+        todayEntries.reduce(0) { $0 + $1.carbs }
+    }
+
+    var totalFat: Double {
+        todayEntries.reduce(0) { $0 + $1.fat }
+    }
+
+    var entryCount: Int {
+        todayEntries.count
+    }
+
+    func load() async {
+        isLoading = true
+        errorMessage = nil
+        let today = Date().apiDateString
+
+        do {
+            async let entriesTask = repo.entries(for: today, forceRefresh: true)
+            async let goalsTask = repo.goals(for: today)
+
+            todayEntries = try await entriesTask
+            goal = try await goalsTask
+        } catch {
+            errorMessage = error.localizedDescription
+        }
+
+        isLoading = false
+    }
+}