feat: switch to size preset for more consistent control

Gaze/Services/SettingsManager.swift

@@ -5,38 +5,39 @@
 //  Created by Mike Freno on 1/7/26.
 //
 
-import Foundation
 import Combine
+import Foundation
 
 @MainActor
 class SettingsManager: ObservableObject {
     static let shared = SettingsManager()
-    
+
     @Published var settings: AppSettings {
         didSet {
             save()
         }
     }
-    
+
     private let userDefaults = UserDefaults.standard
     private let settingsKey = "gazeAppSettings"
-    
+
     private init() {
         #if DEBUG
-        // Clear settings on every development build
-        UserDefaults.standard.removeObject(forKey: "gazeAppSettings")
+            // Clear settings on every development build
+            UserDefaults.standard.removeObject(forKey: "gazeAppSettings")
         #endif
         self.settings = Self.loadSettings()
     }
-    
+
     private static func loadSettings() -> AppSettings {
         guard let data = UserDefaults.standard.data(forKey: "gazeAppSettings"),
-              let settings = try? JSONDecoder().decode(AppSettings.self, from: data) else {
+            let settings = try? JSONDecoder().decode(AppSettings.self, from: data)
+        else {
             return .defaults
         }
         return settings
     }
-    
+
     func save() {
         guard let data = try? JSONEncoder().encode(settings) else {
             print("Failed to encode settings")
@@ -44,15 +45,15 @@ class SettingsManager: ObservableObject {
         }
         userDefaults.set(data, forKey: settingsKey)
     }
-    
+
     func load() {
         settings = Self.loadSettings()
     }
-    
+
     func resetToDefaults() {
         settings = .defaults
     }
-    
+
     func timerConfiguration(for type: TimerType) -> TimerConfiguration {
         switch type {
         case .lookAway:
@@ -63,7 +64,7 @@ class SettingsManager: ObservableObject {
             return settings.postureTimer
         }
     }
-    
+
     func updateTimerConfiguration(for type: TimerType, configuration: TimerConfiguration) {
         switch type {
         case .lookAway: