feat: full Pulse Mobile implementation - all modules

- Phase 0: project.yml fixes (CODE_SIGN_ENTITLEMENTS confirmed)
- Phase 1: Enhanced models (HabitModels, TaskModels, FinanceModels, SavingsModels, UserModels)
- Phase 1: Enhanced APIService with all endpoints (habits/log/stats, tasks/uncomplete, finance/analytics, savings/*)
- Phase 2: DashboardView rewrite - day progress bar, 4 stat cards, habit/task lists with Undo (3 sec)
- Phase 3: TrackerView - HabitListView (streak badge, swipe delete, archive), TaskListView (priority, overdue), StatisticsView (heatmap 84 days, line chart, bar chart via Swift Charts)
- Phase 4: FinanceView rewrite - month picker, summary card, top expenses progress bars, pie chart, line chart, transactions by day, analytics tab with bar chart + month comparison
- Phase 5: SavingsView rewrite - overview with overdue block, categories tab with type icons, operations tab with category filter + add sheet
- Phase 6: SettingsView - dark/light theme, profile edit, telegram chat id, notifications toggle + time, timezone picker, logout
- Added: AddHabitView with weekly day selector + interval days
- Added: AddTaskView with icon/color/due date picker
- Haptic feedback on all toggle actions

PulseHealth/Models/SavingsModels.swift

@@ -16,28 +16,40 @@ struct SavingsCategory: Codable, Identifiable {
     var depositStartDate: String?
     var depositEndDate: String?
     var recurringAmount: Double?
-    
+    var recurringDay: Int?
+
     var icon: String {
+        if isCredit == true { return "creditcard.fill" }
         if isDeposit == true { return "percent" }
         if isAccount == true { return "building.columns.fill" }
         if isRecurring == true { return "arrow.clockwise" }
         return "banknote.fill"
     }
-    
-    var color: String {
+
+    var colorHex: String {
+        if isCredit == true { return "ff4757" }
         if isDeposit == true { return "ffa502" }
         if isAccount == true { return "7c3aed" }
         if isRecurring == true { return "00d4aa" }
         return "8888aa"
     }
-    
+
     var typeLabel: String {
+        if isCredit == true { return "Кредит \(Int(interestRate ?? 0))%" }
         if isDeposit == true { return "Вклад \(Int(interestRate ?? 0))%" }
         if isAccount == true { return "Счёт" }
-        if isRecurring == true { return "Накопления" }
-        return "Копилка"
+        if isRecurring == true { return "Регулярные" }
+        return "Накопление"
     }
-    
+
+    var typeEmoji: String {
+        if isCredit == true { return "💳" }
+        if isDeposit == true { return "🏦" }
+        if isAccount == true { return "🏧" }
+        if isRecurring == true { return "🔄" }
+        return "💰"
+    }
+
     enum CodingKeys: String, CodingKey {
         case id, name, description
         case isDeposit = "is_deposit"
@@ -52,6 +64,7 @@ struct SavingsCategory: Codable, Identifiable {
         case depositStartDate = "deposit_start_date"
         case depositEndDate = "deposit_end_date"
         case recurringAmount = "recurring_amount"
+        case recurringDay = "recurring_day"
     }
 }
 
@@ -66,9 +79,18 @@ struct SavingsTransaction: Codable, Identifiable {
     var createdAt: String?
     var categoryName: String?
     var userName: String?
-    
+
     var isDeposit: Bool { type == "deposit" }
-    
+
+    var dateFormatted: String {
+        guard let d = date else { return "" }
+        let parts = String(d.prefix(10)).split(separator: "-")
+        guard parts.count == 3 else { return String(d.prefix(10)) }
+        return "\(parts[2]).\(parts[1]).\(parts[0])"
+    }
+
+    var dateOnly: String { String(date?.prefix(10) ?? "") }
+
     enum CodingKeys: String, CodingKey {
         case id, amount, type, description, date
         case categoryId = "category_id"
@@ -84,11 +106,30 @@ struct SavingsStats: Codable {
     var totalDeposits: Double?
     var totalWithdrawals: Double?
     var categoriesCount: Int?
-    
+    var monthlyPayments: Double?
+    var overdueAmount: Double?
+    var overdueCount: Int?
+
     enum CodingKeys: String, CodingKey {
         case totalBalance = "total_balance"
         case totalDeposits = "total_deposits"
         case totalWithdrawals = "total_withdrawals"
         case categoriesCount = "categories_count"
+        case monthlyPayments = "monthly_payments"
+        case overdueAmount = "overdue_amount"
+        case overdueCount = "overdue_count"
+    }
+}
+
+struct CreateSavingsTransactionRequest: Codable {
+    var categoryId: Int
+    var amount: Double
+    var type: String
+    var description: String?
+    var date: String?
+
+    enum CodingKeys: String, CodingKey {
+        case amount, type, description, date
+        case categoryId = "category_id"
     }
 }