refactor(AppState, ExitStateMachine, Settings): remove unused code and simplify delay logic for improved readability and maintainability

Author: samzong

SaveEye/Models/AppState.swift

@@ -46,10 +46,7 @@ class AppState: ObservableObject {
         // 恢复运行状态
         restoreRunningState()
 
-        // 确保护眼窗口在后台创建
-        DispatchQueue.main.asyncAfter(deadline: .now() + 1.0) {
-            self.ensureEyeCareWindowExists()
-        }
+
     }
 
     // 恢复运行状态
@@ -297,7 +294,6 @@ class AppState: ObservableObject {
     }
 
     private func closeAllEyeCareWindows() {
-        _ = eyeCareWindows.count
         for window in eyeCareWindows {
             window.close()
         }
@@ -312,5 +308,5 @@ class AppState: ObservableObject {
         }
     }
 
-    func ensureEyeCareWindowExists() {}
+
 }

SaveEye/Models/ExitStateMachine.swift

@@ -19,6 +19,10 @@ class ExitStateMachine: ObservableObject {
     private weak var settings: Settings?
 
     private let clickWindow: TimeInterval = 2.0
+    
+    private var delayMinutes: Int {
+        return settings?.delayDurationMinutes ?? 5
+    }
 
     enum ExitState {
         case idle
@@ -69,7 +73,6 @@ class ExitStateMachine: ObservableObject {
     private func enterThirdPress() {
         currentState = .thirdPress
         pressCount = 3
-        let delayMinutes = settings?.delayDurationMinutes ?? 5
         showMessage = "延迟\(delayMinutes)分钟后继续工作..."
 
         timer?.invalidate()
@@ -81,7 +84,6 @@ class ExitStateMachine: ObservableObject {
     }
 
     private func handleDelayEscape() {
-        let delayMinutes = settings?.delayDurationMinutes ?? 5
         showMessage = "延迟\(delayMinutes)分钟，继续工作..."
 
         DispatchQueue.main.asyncAfter(deadline: .now() + 1.0) {
@@ -111,7 +113,6 @@ class ExitStateMachine: ObservableObject {
     func enterDelayState() {
         currentState = .delayRequest
         pressCount = 0
-        let delayMinutes = settings?.delayDurationMinutes ?? 5
         showMessage = "是否需要延迟休息？按ESC延迟\(delayMinutes)分钟"
 
         DispatchQueue.main.asyncAfter(deadline: .now() + 10.0) {

SaveEye/Models/Settings.swift

@@ -64,10 +64,6 @@ class Settings: ObservableObject {
 
         isProtectionRunning = UserDefaults.standard.bool(forKey: "isProtectionRunning")
         lastWorkStartTime = UserDefaults.standard.object(forKey: "lastWorkStartTime") as? Date
-
-        if breakIntervalMinutes < 1 { breakIntervalMinutes = 1 }
-        if restDurationSeconds < 5 { restDurationSeconds = 5 }
-        if delayDurationMinutes < 1 { delayDurationMinutes = 1 }
     }
 
     private func updateAutoStart() {