修复离线路径误弹位置上报超时窗，并优化提醒设置与定位 Loading 展示。

离线或倒计时未进入提醒窗口时不再弹出超时提醒；全局 Loading 支持按需展示定位文案，提前提醒选项抽成共用组件。

Co-authored-by: Cursor <cursoragent@cursor.com>

suixinkan/Features/Home/ViewModels/HomeLocationViewModel.swift

@@ -61,6 +61,8 @@ final class HomeLocationViewModel: ObservableObject {
             isOnline = false
             secondsUntilReport = 0
             expireTimestamp = nil
+            showTimeoutDialog = false
+            timeoutDialogTriggered = false
             return
         }
 
@@ -156,31 +158,13 @@ final class HomeLocationViewModel: ObservableObject {
         await reportLocation(type: .immediate, staffId: staffId!, scenicId: scenicId!, toast: toast)
     }
 
-    /// 调用 detail 接口判断是否需要弹出超时提醒。
+    /// 根据本地在线状态和倒计时判断是否需要弹出超时提醒。
     func checkLocationTimeout(staffId: Int?) async {
-        guard reminderMinutes > 0 else {
+        guard isOnline, reminderMinutes > 0, secondsUntilReport > 0 else {
             showTimeoutDialog = false
             return
         }
-        guard let staffId, staffId > 0 else {
-            showTimeoutDialog = false
-            return
-        }
-
-        do {
-            let detail = try await api.locationDetail(staffId: staffId)
-            if detail.expireTime <= 0 {
-                showTimeoutDialog = true
-                return
-            }
-
-            let currentMillis = Date().timeIntervalSince1970 * 1000
-            let expireMillis = Double(detail.expireTime) * 1000
-            let thresholdMillis = expireMillis - Double(reminderMinutes * 60 * 1000)
-            showTimeoutDialog = currentMillis >= thresholdMillis
-        } catch {
-            showTimeoutDialog = true
-        }
+        evaluateReminderThreshold(remainingSeconds: secondsUntilReport, forceDialog: true)
     }
 
     /// 关闭超时对话框并将用户置为离线。
@@ -313,6 +297,8 @@ final class HomeLocationViewModel: ObservableObject {
         secondsUntilReport = 0
         lastReportAnchorTime = nil
         expireTimestamp = nil
+        showTimeoutDialog = false
+        timeoutDialogTriggered = false
         if clearPersisted {
             store.saveOnlineStatus(false)
             store.clearLastReportTime()
@@ -344,9 +330,9 @@ final class HomeLocationViewModel: ObservableObject {
         return false
     }
 
-    /// 判断是否到达提前提醒阈值。
+    /// 判断是否到达提前提醒阈值（仅在线且倒计时进入提醒窗口时触发）。
     private func evaluateReminderThreshold(remainingSeconds: Int, forceDialog: Bool) {
-        guard reminderMinutes > 0 else { return }
+        guard isOnline, reminderMinutes > 0 else { return }
         let thresholdSeconds = reminderMinutes * 60
         guard remainingSeconds <= thresholdSeconds else { return }