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/Views/Habits/HabitRowView.swift

@@ -4,29 +4,25 @@ struct HabitRowView: View {
     let habit: Habit
     let onLog: () async -> Void
 
-    var accentColor: Color { Color(hex: habit.color ?? "00d4aa") }
+    var accentColor: Color { Color(hex: habit.accentColorHex.replacingOccurrences(of: "#", with: "")) }
     var isDone: Bool { habit.completedToday == true }
 
     var body: some View {
         HStack(spacing: 14) {
-            // Icon
             ZStack {
                 Circle().fill(accentColor.opacity(isDone ? 0.3 : 0.1)).frame(width: 44, height: 44)
-                Text(habit.icon ?? "🔥").font(.title3)
+                Text(habit.displayIcon).font(.title3)
             }
-
             VStack(alignment: .leading, spacing: 4) {
                 Text(habit.name).font(.callout.weight(.medium)).foregroundColor(.white)
                 HStack(spacing: 8) {
-                    Text(habit.frequency.displayName).font(.caption).foregroundColor(Color(hex: "8888aa"))
+                    Text(habit.frequencyLabel).font(.caption).foregroundColor(Color(hex: "8888aa"))
                     if let streak = habit.currentStreak, streak > 0 {
                         Text("🔥 \(streak)").font(.caption).foregroundColor(Color(hex: "ffa502"))
                     }
                 }
             }
-
             Spacer()
-
             Button(action: { guard !isDone else { return }; Task { await onLog() } }) {
                 Image(systemName: isDone ? "checkmark.circle.fill" : "circle")
                     .font(.title2)