<powerbell> RemindThread 同步启停 APPMSGMailRemindThread，邮件间隔调整为10秒

- RemindThread 触发提醒时同步启动 APPMSGMailRemindThread
- RemindThread 线程退出时同步停止 APPMSGMailRemindThread
- APPMSGMailRemindThread 邮件发送间隔 30秒 → 10秒

powerbell/build.properties

@@ -1,8 +1,8 @@
 #Created by .winboll/winboll_app_build.gradle
-#Fri Jul 17 17:35:09 CST 2026
+#Fri Jul 17 18:35:29 CST 2026
 stageCount=19
 libraryProject=
 baseVersion=15.15
 publishVersion=15.15.18
-buildCount=13
+buildCount=16
 baseBetaVersion=15.15.19

powerbell/src/main/java/cc/winboll/studio/powerbell/threads/APPMSGMailRemindThread.java

@@ -17,7 +17,7 @@ public class APPMSGMailRemindThread extends Thread {
     public static final String TAG = "APPMSGMailRemindThread";
 
     // 邮件发送间隔（毫秒）
-    private static final long MAIL_SEND_INTERVAL = 30000;
+    private static final long MAIL_SEND_INTERVAL = 10000;
 
     // 单例实例
     private static APPMSGMailRemindThread sInstance;

powerbell/src/main/java/cc/winboll/studio/powerbell/threads/RemindThread.java

@@ -191,6 +191,8 @@ public class RemindThread extends Thread {
 				
 				// 启动电量通知 TTS 语音提醒线程
 				TTSRemindThread.start(this.mContext, App.sQuantityOfElectricity, isCharging);
+				// 启动电量通知邮件提醒线程
+				APPMSGMailRemindThread.start(this.mContext, App.sQuantityOfElectricity, isCharging);
 
                 // 安全休眠，保留中断标记
                 safeSleepInternal(sleepTime);
@@ -283,7 +285,8 @@ public class RemindThread extends Thread {
      */
     private void cleanThreadStateInternal() {
         LogUtils.d(TAG, String.format("cleanThreadStateInternal() 调用 | threadId=%d", getId()));
-		TTSRemindThread.stopTTS();
+			TTSRemindThread.stopTTS();
+			APPMSGMailRemindThread.stopMail();
         isReminding = false;
         isExist = true;
         // 中断当前线程（如果存活）