feat: add habit creation, savings tabs, fix dashboard, fix tab order

PulseHealth/Views/Habits/HabitsView.swift

@@ -4,6 +4,7 @@ struct HabitsView: View {
     @EnvironmentObject var authManager: AuthManager
     @State private var habits: [Habit] = []
     @State private var isLoading = true
+    @State private var showAddHabit = false
 
     var completedCount: Int { habits.filter { $0.completedToday == true }.count }
 
@@ -17,6 +18,9 @@ struct HabitsView: View {
                         Text("\(completedCount)/\(habits.count) выполнено").font(.subheadline).foregroundColor(Color(hex: "8888aa"))
                     }
                     Spacer()
+                    Button(action: { showAddHabit = true }) {
+                        Image(systemName: "plus.circle.fill").font(.title2).foregroundColor(Color(hex: "00d4aa"))
+                    }
                 }.padding()
 
                 // Progress bar
@@ -57,6 +61,12 @@ struct HabitsView: View {
         }
         .task { await loadHabits() }
         .refreshable { await loadHabits(refresh: true) }
+        .sheet(isPresented: $showAddHabit) {
+            AddHabitView(isPresented: $showAddHabit) { await loadHabits(refresh: true) }
+                .presentationDetents([.large])
+                .presentationDragIndicator(.visible)
+                .presentationBackground(Color(hex: "0a0a1a"))
+        }
     }
 
     func loadHabits(refresh: Bool = false) async {