From 9e90294d0e6f316d1671e624c0cb3fab768d4c20 Mon Sep 17 00:00:00 2001
From: hailin <hailin.zhao@gdzx.xyz>
Date: Thu, 5 Mar 2026 19:11:25 -0800
Subject: [PATCH] =?UTF-8?q?fix(mobile-app):=20App=E8=BF=9B=E5=85=A5?=
 =?UTF-8?q?=E5=90=8E=E5=8F=B0=E6=97=B6=E7=AB=8B=E5=8D=B3=E4=B8=8A=E4=BC=A0?=
 =?UTF-8?q?=E9=81=A5=E6=B5=8B=E9=98=9F=E5=88=97?=
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问题：TelemetryService.dispose()从未被调用，导致forceUploadAll()
永远不执行；uploadIfNeeded()有10条最小阈值，单次会话只有2-3条
事件无法触发上传，设备信息永远留在本地队列。

修复：进入后台(paused)结束session后，立即调用uploadBatch()
绕过10条阈值，确保每次App切换到后台时都能上报事件。

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 .../lib/core/telemetry/session/session_manager.dart         | 3 +++
 .../mobile-app/lib/core/telemetry/telemetry_service.dart    | 6 ++++++
 2 files changed, 9 insertions(+)

diff --git a/frontend/mobile-app/lib/core/telemetry/session/session_manager.dart b/frontend/mobile-app/lib/core/telemetry/session/session_manager.dart
index 13014349..8b9ecb19 100644
--- a/frontend/mobile-app/lib/core/telemetry/session/session_manager.dart
+++ b/frontend/mobile-app/lib/core/telemetry/session/session_manager.dart
@@ -95,6 +95,9 @@ class SessionManager with WidgetsBindingObserver {
 
     _state = SessionState.background;
     _endCurrentSession();
+
+    // session_end 写入队列后立即上传，不等待10条阈值
+    _telemetryService?.flushOnBackground();
   }
 
   /// 开始新会话
diff --git a/frontend/mobile-app/lib/core/telemetry/telemetry_service.dart b/frontend/mobile-app/lib/core/telemetry/telemetry_service.dart
index 194ea3e3..a3d8b426 100644
--- a/frontend/mobile-app/lib/core/telemetry/telemetry_service.dart
+++ b/frontend/mobile-app/lib/core/telemetry/telemetry_service.dart
@@ -373,6 +373,12 @@ class TelemetryService {
   /// 获取设备上下文
   DeviceContext? get deviceContext => _deviceContext;
 
+  /// App进入后台时调用：忽略10条阈值，立即上传队列中的事件
+  Future<void> flushOnBackground() async {
+    await _uploader.uploadBatch(batchSize: 50);
+    debugPrint('📊 [Telemetry] Flushed on background');
+  }
+
   /// App退出前调用
   Future<void> dispose() async {
     _configSyncTimer?.cancel();