added preview and update some views

Balance/Balance/App/ContentView.swift

@@ -38,3 +38,8 @@ struct ContentView: View {
         }
     }
 }
+
+#Preview("Главный экран") {
+    ContentView()
+        .modelContainer(BalanceModelContainer.previewContainer)
+}

Balance/Balance/Shared/BalanceModelContainer.swift

@@ -56,3 +56,101 @@ enum BalanceModelContainer {
         }
     }
 }
+
+// MARK: - Превью
+
+extension BalanceModelContainer {
+    /// Контейнер в памяти с демо-данными для #Preview.
+    @MainActor
+    static var previewContainer: ModelContainer {
+        let configuration = ModelConfiguration(
+            schema: schema,
+            isStoredInMemoryOnly: true,
+            cloudKitDatabase: .none
+        )
+        do {
+            let container = try ModelContainer(for: schema, configurations: [configuration])
+            PreviewSampleData.seed(into: container.mainContext)
+            return container
+        } catch {
+            fatalError("Не удалось создать контейнер для превью: \(error.localizedDescription)")
+        }
+    }
+}
+
+/// Демо-данные, которыми наполняется контейнер превью.
+@MainActor
+private enum PreviewSampleData {
+    static func seed(into context: ModelContext) {
+        let calendar = Calendar.current
+        let monthStart = FinanceCalculations.monthInterval(containing: .now, calendar: calendar).start
+
+        context.insert(CustomCategory(
+            name: "Кофе",
+            icon: "cup.and.saucer.fill",
+            emoji: "☕️",
+            colorName: "brown",
+            kind: .expense
+        ))
+
+        let expenses: [(name: String, icon: String, emoji: String, colorName: String, amount: Double)] = [
+            ("Продукты", "cart.fill", "", "auto", 3_400),
+            ("Транспорт", "car.fill", "", "auto", 1_200),
+            ("Развлечения", "gamecontroller.fill", "", "auto", 2_600),
+            ("Подписки", "repeat", "", "auto", 649),
+            ("Кофе", "cup.and.saucer.fill", "☕️", "brown", 380),
+            ("Покупки", "bag.fill", "", "auto", 4_800)
+        ]
+
+        for monthOffset in 0..<6 {
+            guard let anchor = calendar.date(byAdding: .month, value: -monthOffset, to: monthStart) else {
+                continue
+            }
+
+            if let salaryDate = calendar.date(byAdding: .day, value: 2, to: anchor) {
+                context.insert(FinanceTransaction(
+                    amount: 150_000,
+                    date: salaryDate,
+                    note: "",
+                    categoryName: "Зарплата",
+                    categoryIcon: "banknote.fill",
+                    kind: .income
+                ))
+            }
+
+            for (index, template) in expenses.enumerated() {
+                guard let date = calendar.date(byAdding: .day, value: 4 + index * 3, to: anchor) else {
+                    continue
+                }
+                let variation = 1 + Double((monthOffset + index) % 4) * 0.08
+                context.insert(FinanceTransaction(
+                    amount: (template.amount * variation).rounded(),
+                    date: date,
+                    note: "",
+                    categoryName: template.name,
+                    categoryIcon: template.icon,
+                    categoryEmoji: template.emoji,
+                    categoryColorName: template.colorName,
+                    kind: .expense
+                ))
+            }
+        }
+
+        let budgets: [(name: String, icon: String, emoji: String, limit: Double)] = [
+            ("Продукты", "cart.fill", "", 30_000),
+            ("Транспорт", "car.fill", "", 8_000),
+            ("Развлечения", "gamecontroller.fill", "", 10_000),
+            ("Кофе", "cup.and.saucer.fill", "☕️", 5_000)
+        ]
+
+        for budget in budgets {
+            context.insert(MonthlyBudget(
+                categoryName: budget.name,
+                categoryIcon: budget.icon,
+                categoryEmoji: budget.emoji,
+                limit: budget.limit,
+                monthStart: monthStart
+            ))
+        }
+    }
+}

Balance/Balance/Views/Analytics/AnalyticsView.swift

@@ -334,6 +334,11 @@ struct AnalyticsView: View {
     }
 }
 
+#Preview("Аналитика") {
+    AnalyticsView()
+        .modelContainer(BalanceModelContainer.previewContainer)
+}
+
 private struct AnalyticsMetricCard: View {
     let title: String
     let value: String
@@ -355,3 +360,21 @@ private struct AnalyticsMetricCard: View {
         .background(.background, in: RoundedRectangle(cornerRadius: 18, style: .continuous))
     }
 }
+
+#Preview("Карточка метрики") {
+    LazyVGrid(columns: [GridItem(.flexible()), GridItem(.flexible())], spacing: 12) {
+        AnalyticsMetricCard(
+            title: "Доходы",
+            value: "150 000 ₽",
+            icon: "arrow.down.left",
+            tint: .green
+        )
+        AnalyticsMetricCard(
+            title: "Расходы",
+            value: "87 300 ₽",
+            icon: "arrow.up.right",
+            tint: .red
+        )
+    }
+    .padding()
+}

Balance/Balance/Views/Budgets/BudgetEditorView.swift

@@ -111,3 +111,24 @@ struct BudgetEditorView: View {
         dismiss()
     }
 }
+
+#Preview("Лимиты") {
+    BudgetEditorView(
+        budgets: [
+            MonthlyBudget(
+                categoryName: "Продукты",
+                categoryIcon: "cart.fill",
+                limit: 30_000,
+                monthStart: .now
+            ),
+            MonthlyBudget(
+                categoryName: "Транспорт",
+                categoryIcon: "car.fill",
+                limit: 8_000,
+                monthStart: .now
+            )
+        ],
+        monthStart: FinanceCalculations.monthInterval(containing: .now).start
+    )
+    .modelContainer(BalanceModelContainer.previewContainer)
+}

Balance/Balance/Views/Budgets/BudgetsView.swift

@@ -116,3 +116,8 @@ struct BudgetsView: View {
         return .indigo
     }
 }
+
+#Preview("Бюджеты") {
+    BudgetsView()
+        .modelContainer(BalanceModelContainer.previewContainer)
+}

Balance/Balance/Views/Components/CategoryIconView.swift

@@ -33,3 +33,20 @@ struct CategoryIconView: View {
         }
     }
 }
+
+#Preview("Иконки") {
+    HStack(spacing: 16) {
+        CategoryIconView(systemName: "cart.fill", emoji: "", tint: .orange, containerSize: 40)
+        CategoryIconView(systemName: "car.fill", emoji: "", tint: .blue)
+        CategoryIconView(systemName: "banknote.fill", emoji: "", tint: .green, size: 24, containerSize: 52)
+    }
+    .padding()
+}
+
+#Preview("Эмодзи") {
+    HStack(spacing: 16) {
+        CategoryIconView(systemName: "star.fill", emoji: "☕️", tint: .brown, size: 21, containerSize: 40)
+        CategoryIconView(systemName: "star.fill", emoji: "🐶", tint: .purple, size: 21, containerSize: 40)
+    }
+    .padding()
+}

Balance/Balance/Views/Components/EmptyStateCard.swift

@@ -22,3 +22,12 @@ struct EmptyStateCard: View {
         .background(.background, in: RoundedRectangle(cornerRadius: 20, style: .continuous))
     }
 }
+
+#Preview("Пустое состояние") {
+    EmptyStateCard(
+        icon: "tray",
+        title: "История пуста",
+        message: "Доходы и расходы будут собраны здесь."
+    )
+    .padding()
+}

Balance/Balance/Views/Components/SummaryCard.swift

@@ -31,3 +31,23 @@ struct SummaryCard: View {
         .shadow(color: .black.opacity(0.05), radius: 12, y: 5)
     }
 }
+
+#Preview("Карточки сводки") {
+    HStack(spacing: 12) {
+        SummaryCard(
+            title: "Доходы",
+            amount: 150_000,
+            currencyCode: "RUB",
+            icon: "arrow.down.left",
+            tint: .green
+        )
+        SummaryCard(
+            title: "Расходы",
+            amount: 87_300,
+            currencyCode: "RUB",
+            icon: "arrow.up.right",
+            tint: .red
+        )
+    }
+    .padding()
+}

Balance/Balance/Views/Dashboard/BalanceAdjustmentView.swift

@@ -105,3 +105,8 @@ struct BalanceAdjustmentView: View {
         dismiss()
     }
 }
+
+#Preview("Корректировка баланса") {
+    BalanceAdjustmentView()
+        .modelContainer(BalanceModelContainer.previewContainer)
+}

Balance/Balance/Views/Dashboard/DashboardView.swift

@@ -211,3 +211,8 @@ struct DashboardView: View {
         return FinanceCategory.color(named: item.colorName)
     }
 }
+
+#Preview("Обзор") {
+    DashboardView()
+        .modelContainer(BalanceModelContainer.previewContainer)
+}

Balance/Balance/Views/Settings/CategoriesView.swift

@@ -338,3 +338,28 @@ private struct CategoryEditorView: View {
         dismiss()
     }
 }
+
+#Preview("Категории") {
+    NavigationStack {
+        CategoriesView()
+    }
+    .modelContainer(BalanceModelContainer.previewContainer)
+}
+
+#Preview("Новая категория") {
+    CategoryEditorView()
+        .modelContainer(BalanceModelContainer.previewContainer)
+}
+
+#Preview("Редактирование категории") {
+    CategoryEditorView(
+        category: CustomCategory(
+            name: "Кофе",
+            icon: "cup.and.saucer.fill",
+            emoji: "☕️",
+            colorName: "brown",
+            kind: .expense
+        )
+    )
+    .modelContainer(BalanceModelContainer.previewContainer)
+}

Balance/Balance/Views/Settings/SettingsView.swift

@@ -84,3 +84,8 @@ struct SettingsView: View {
         return "Без входа данные остаются на устройстве. Собственный сервер можно подключить выше без iCloud и платной Apple Developer Team."
     }
 }
+
+#Preview("Настройки") {
+    SettingsView()
+        .modelContainer(BalanceModelContainer.previewContainer)
+}

Balance/Balance/Views/Transactions/NewTransactionView.swift

@@ -175,3 +175,22 @@ struct NewTransactionView: View {
         return kind == .expense ? "Новый расход" : "Новый доход"
     }
 }
+
+#Preview("Новая операция") {
+    NewTransactionView()
+        .modelContainer(BalanceModelContainer.previewContainer)
+}
+
+#Preview("Редактирование операции") {
+    NewTransactionView(
+        transaction: FinanceTransaction(
+            amount: 2_450,
+            date: .now,
+            note: "Пятёрочка у дома",
+            categoryName: "Продукты",
+            categoryIcon: "cart.fill",
+            kind: .expense
+        )
+    )
+    .modelContainer(BalanceModelContainer.previewContainer)
+}

Balance/Balance/Views/Transactions/TransactionRow.swift

@@ -44,3 +44,37 @@ struct TransactionRow: View {
         return prefix + transaction.amount.formattedCurrency(code: currencyCode)
     }
 }
+
+#Preview("Расход") {
+    List {
+        TransactionRow(
+            transaction: FinanceTransaction(
+                amount: 2_450,
+                date: .now,
+                note: "Пятёрочка у дома",
+                categoryName: "Продукты",
+                categoryIcon: "cart.fill",
+                kind: .expense
+            ),
+            currencyCode: "RUB"
+        )
+    }
+    .listStyle(.plain)
+}
+
+#Preview("Доход") {
+    List {
+        TransactionRow(
+            transaction: FinanceTransaction(
+                amount: 150_000,
+                date: .now,
+                note: "",
+                categoryName: "Зарплата",
+                categoryIcon: "banknote.fill",
+                kind: .income
+            ),
+            currencyCode: "RUB"
+        )
+    }
+    .listStyle(.plain)
+}

Balance/Balance/Views/Transactions/TransactionsView.swift

@@ -102,3 +102,8 @@ struct TransactionsView: View {
         }
     }
 }
+
+#Preview("Операции") {
+    TransactionsView()
+        .modelContainer(BalanceModelContainer.previewContainer)
+}

Balance/BalanceMac/MacContentView.swift

@@ -434,3 +434,57 @@ private struct MacCategoriesView: View {
         }
     }
 }
+
+#Preview("Главное окно") {
+    MacContentView()
+        .modelContainer(BalanceModelContainer.previewContainer)
+}
+
+#Preview("Обзор") {
+    MacOverviewView()
+        .modelContainer(BalanceModelContainer.previewContainer)
+        .frame(width: 900, height: 620)
+}
+
+#Preview("Карточки метрик") {
+    HStack(spacing: 14) {
+        MacMetricCard(
+            title: "Общий баланс",
+            value: "62 700 ₽",
+            icon: "creditcard.fill",
+            tint: .indigo
+        )
+        MacMetricCard(
+            title: "Доходы за месяц",
+            value: "150 000 ₽",
+            icon: "arrow.down.left",
+            tint: .green
+        )
+        MacMetricCard(
+            title: "Расходы за месяц",
+            value: "87 300 ₽",
+            icon: "arrow.up.right",
+            tint: .red
+        )
+    }
+    .padding()
+    .frame(width: 720)
+}
+
+#Preview("Операции") {
+    MacTransactionsView()
+        .modelContainer(BalanceModelContainer.previewContainer)
+        .frame(width: 900, height: 620)
+}
+
+#Preview("Бюджеты") {
+    MacBudgetsView()
+        .modelContainer(BalanceModelContainer.previewContainer)
+        .frame(width: 900, height: 620)
+}
+
+#Preview("Категории") {
+    MacCategoriesView()
+        .modelContainer(BalanceModelContainer.previewContainer)
+        .frame(width: 900, height: 620)
+}

Balance/BalanceMac/MacEditors.swift

@@ -107,6 +107,25 @@ struct MacTransactionEditor: View {
     }
 }
 
+#Preview("Новая операция") {
+    MacTransactionEditor()
+        .modelContainer(BalanceModelContainer.previewContainer)
+}
+
+#Preview("Редактирование операции") {
+    MacTransactionEditor(
+        transaction: FinanceTransaction(
+            amount: 2_450,
+            date: .now,
+            note: "Пятёрочка у дома",
+            categoryName: "Продукты",
+            categoryIcon: "cart.fill",
+            kind: .expense
+        )
+    )
+    .modelContainer(BalanceModelContainer.previewContainer)
+}
+
 struct MacCategoryEditor: View {
     @Environment(\.dismiss) private var dismiss
     @Environment(\.modelContext) private var modelContext
@@ -231,3 +250,21 @@ struct MacCategoryEditor: View {
         dismiss()
     }
 }
+
+#Preview("Новая категория") {
+    MacCategoryEditor()
+        .modelContainer(BalanceModelContainer.previewContainer)
+}
+
+#Preview("Редактирование категории") {
+    MacCategoryEditor(
+        category: CustomCategory(
+            name: "Кофе",
+            icon: "cup.and.saucer.fill",
+            emoji: "☕️",
+            colorName: "brown",
+            kind: .expense
+        )
+    )
+    .modelContainer(BalanceModelContainer.previewContainer)
+}

Balance/BalanceMac/MacFeatures.swift

@@ -174,6 +174,12 @@ struct MacAnalyticsView: View {
     }
 }
 
+#Preview("Аналитика") {
+    MacAnalyticsView()
+        .modelContainer(BalanceModelContainer.previewContainer)
+        .frame(width: 1000, height: 700)
+}
+
 struct MacBalanceAdjustmentView: View {
     @Environment(\.dismiss) private var dismiss
     @Environment(\.modelContext) private var modelContext
@@ -229,6 +235,11 @@ struct MacBalanceAdjustmentView: View {
     }
 }
 
+#Preview("Корректировка баланса") {
+    MacBalanceAdjustmentView()
+        .modelContainer(BalanceModelContainer.previewContainer)
+}
+
 struct MacBudgetEditor: View {
     @Environment(\.dismiss) private var dismiss
     @Environment(\.modelContext) private var modelContext
@@ -308,6 +319,27 @@ struct MacBudgetEditor: View {
     }
 }
 
+#Preview("Лимиты") {
+    MacBudgetEditor(
+        budgets: [
+            MonthlyBudget(
+                categoryName: "Продукты",
+                categoryIcon: "cart.fill",
+                limit: 30_000,
+                monthStart: .now
+            ),
+            MonthlyBudget(
+                categoryName: "Транспорт",
+                categoryIcon: "car.fill",
+                limit: 8_000,
+                monthStart: .now
+            )
+        ],
+        monthStart: FinanceCalculations.monthInterval(containing: .now).start
+    )
+    .modelContainer(BalanceModelContainer.previewContainer)
+}
+
 struct MacSettingsView: View {
     @Query private var transactions: [FinanceTransaction]
     @AppStorage("currencyCode") private var currencyCode = SupportedCurrency.RUB.rawValue
@@ -359,3 +391,11 @@ struct MacSettingsView: View {
         .padding(24)
     }
 }
+
+#Preview("Настройки") {
+    NavigationStack {
+        MacSettingsView()
+    }
+    .modelContainer(BalanceModelContainer.previewContainer)
+    .frame(width: 640, height: 640)
+}

Balance/BalanceWatch/WatchAddTransactionView.swift

@@ -108,3 +108,22 @@ struct WatchAddTransactionView: View {
         dismiss()
     }
 }
+
+#Preview("Новая операция") {
+    WatchAddTransactionView()
+        .modelContainer(BalanceModelContainer.previewContainer)
+}
+
+#Preview("Редактирование операции") {
+    WatchAddTransactionView(
+        transaction: FinanceTransaction(
+            amount: 2_450,
+            date: .now,
+            note: "Пятёрочка у дома",
+            categoryName: "Продукты",
+            categoryIcon: "cart.fill",
+            kind: .expense
+        )
+    )
+    .modelContainer(BalanceModelContainer.previewContainer)
+}

Balance/BalanceWatch/WatchFeatures.swift

@@ -99,6 +99,13 @@ struct WatchAnalyticsView: View {
     }
 }
 
+#Preview("Аналитика") {
+    NavigationStack {
+        WatchAnalyticsView()
+    }
+    .modelContainer(BalanceModelContainer.previewContainer)
+}
+
 struct WatchTransactionsView: View {
     @Environment(\.modelContext) private var modelContext
     @Query(sort: \FinanceTransaction.date, order: .reverse)
@@ -169,6 +176,13 @@ struct WatchTransactionsView: View {
     }
 }
 
+#Preview("Операции") {
+    NavigationStack {
+        WatchTransactionsView()
+    }
+    .modelContainer(BalanceModelContainer.previewContainer)
+}
+
 struct WatchBudgetsView: View {
     @Query private var budgets: [MonthlyBudget]
     @Query private var transactions: [FinanceTransaction]
@@ -218,6 +232,13 @@ struct WatchBudgetsView: View {
     }
 }
 
+#Preview("Бюджеты") {
+    NavigationStack {
+        WatchBudgetsView()
+    }
+    .modelContainer(BalanceModelContainer.previewContainer)
+}
+
 private struct WatchBudgetEditor: View {
     @Environment(\.dismiss) private var dismiss
     @Environment(\.modelContext) private var modelContext
@@ -242,7 +263,9 @@ private struct WatchBudgetEditor: View {
     var body: some View {
         Form {
             ForEach(categories) { category in
-                TextField(category.name, value: binding(category.name), format: .number)
+                Section(category.name) {
+                    TextField(category.name, value: binding(category.name), format: .number)
+                }
             }
             Button("Сохранить", action: save)
         }
@@ -278,6 +301,29 @@ private struct WatchBudgetEditor: View {
     }
 }
 
+#Preview("Лимиты") {
+    NavigationStack {
+        WatchBudgetEditor(
+            budgets: [
+                MonthlyBudget(
+                    categoryName: "Продукты",
+                    categoryIcon: "cart.fill",
+                    limit: 30_000,
+                    monthStart: .now
+                ),
+                MonthlyBudget(
+                    categoryName: "Транспорт",
+                    categoryIcon: "car.fill",
+                    limit: 8_000,
+                    monthStart: .now
+                )
+            ],
+            monthStart: FinanceCalculations.monthInterval(containing: .now).start
+        )
+    }
+    .modelContainer(BalanceModelContainer.previewContainer)
+}
+
 struct WatchCategoriesView: View {
     @Environment(\.modelContext) private var modelContext
     @Query(sort: \CustomCategory.createdAt) private var categories: [CustomCategory]
@@ -323,6 +369,13 @@ struct WatchCategoriesView: View {
     }
 }
 
+#Preview("Категории") {
+    NavigationStack {
+        WatchCategoriesView()
+    }
+    .modelContainer(BalanceModelContainer.previewContainer)
+}
+
 private struct WatchCategoryEditor: View {
     @Environment(\.dismiss) private var dismiss
     @Environment(\.modelContext) private var modelContext
@@ -425,6 +478,28 @@ private struct WatchCategoryEditor: View {
     }
 }
 
+#Preview("Новая категория") {
+    NavigationStack {
+        WatchCategoryEditor()
+    }
+    .modelContainer(BalanceModelContainer.previewContainer)
+}
+
+#Preview("Редактирование категории") {
+    NavigationStack {
+        WatchCategoryEditor(
+            category: CustomCategory(
+                name: "Кофе",
+                icon: "cup.and.saucer.fill",
+                emoji: "☕️",
+                colorName: "brown",
+                kind: .expense
+            )
+        )
+    }
+    .modelContainer(BalanceModelContainer.previewContainer)
+}
+
 struct WatchBalanceAdjustmentView: View {
     @Environment(\.dismiss) private var dismiss
     @Environment(\.modelContext) private var modelContext
@@ -465,6 +540,13 @@ struct WatchBalanceAdjustmentView: View {
     }
 }
 
+#Preview("Корректировка баланса") {
+    NavigationStack {
+        WatchBalanceAdjustmentView()
+    }
+    .modelContainer(BalanceModelContainer.previewContainer)
+}
+
 struct WatchSettingsView: View {
     @AppStorage("currencyCode") private var currencyCode = SupportedCurrency.RUB.rawValue
     @AppStorage("appTheme") private var appTheme = AppTheme.system.rawValue
@@ -491,3 +573,10 @@ struct WatchSettingsView: View {
         .navigationTitle("Настройки")
     }
 }
+
+#Preview("Настройки") {
+    NavigationStack {
+        WatchSettingsView()
+    }
+    .modelContainer(BalanceModelContainer.previewContainer)
+}

Balance/BalanceWatch/WatchRootView.swift

@@ -57,8 +57,9 @@ struct WatchRootView: View {
                         showingAddTransaction = true
                     } label: {
                         Label("Добавить операцию", systemImage: "plus.circle.fill")
-                            .frame(maxWidth: .infinity)
+//                            .frame(maxWidth: .infinity)
                     }
+                    .frame(maxWidth: .infinity)
                     .buttonStyle(.borderedProminent)
 
                     VStack(spacing: 4) {
@@ -67,35 +68,41 @@ struct WatchRootView: View {
                         } label: {
                             Label("Аналитика", systemImage: "chart.xyaxis.line")
                         }
+                        .frame(maxWidth: .infinity)
                         NavigationLink {
                             WatchTransactionsView()
                         } label: {
                             Label("Все операции", systemImage: "list.bullet.rectangle")
                         }
+                        .frame(maxWidth: .infinity)
                         NavigationLink {
                             WatchBudgetsView()
                         } label: {
                             Label("Бюджеты", systemImage: "target")
                         }
+                        .frame(maxWidth: .infinity)
                         NavigationLink {
                             WatchCategoriesView()
                         } label: {
                             Label("Категории", systemImage: "square.grid.2x2")
                         }
+                        .frame(maxWidth: .infinity)
                         NavigationLink {
                             WatchBalanceAdjustmentView()
                         } label: {
                             Label("Корректировка", systemImage: "slider.horizontal.3")
                         }
+                        .frame(maxWidth: .infinity)
                         NavigationLink {
                             WatchSettingsView()
                         } label: {
                             Label("Настройки", systemImage: "gearshape")
                         }
+                        .frame(maxWidth: .infinity)
                     }
 
                     if !transactions.isEmpty {
-                        Text("Последние")
+                        Text("Последние операции")
                             .font(.headline)
                         ForEach(transactions.prefix(4)) { transaction in
                             HStack(spacing: 8) {
@@ -156,3 +163,8 @@ struct WatchRootView: View {
         return FinanceCategory.color(named: transaction.categoryColorName)
     }
 }
+
+#Preview("Обзор") {
+    WatchRootView()
+        .modelContainer(BalanceModelContainer.previewContainer)
+}