feat: 电量变化时上报设备状态到服务端

之前 reportDeviceStatus 接口只定义未调用，手机端无法获取实时电量
现在电量变化 >=5% 时自动调用 setWatchStatusByImeiFormWatch 上报
去抖防止频繁请求

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

app/src/main/java/com/xiaoqu/watch/ui/home/HomeFragment.kt

@@ -47,6 +47,7 @@ class HomeFragment : BaseFragment<FragmentHomeBinding>() {
     @Inject lateinit var userPrefs: UserPrefs
     @Inject lateinit var eventBus: EventBus
     @Inject lateinit var taskApi: TaskApi
+    @Inject lateinit var commonApi: com.xiaoqu.watch.network.api.CommonApi
     @Inject lateinit var bluetoothScanManager: com.xiaoqu.watch.service.manager.BluetoothScanManager
     @Inject lateinit var notificationManager: com.xiaoqu.watch.service.manager.NotificationManager
     @Inject lateinit var vibrationConfigManager: com.xiaoqu.watch.device.sensor.VibrationConfigManager
@@ -464,6 +465,34 @@ class HomeFragment : BaseFragment<FragmentHomeBinding>() {
         }
     }
 
+    /** 上次上报的电量（去抖：电量变化 >=5% 才上报） */
+    private var lastReportedPower = -1
+
+    /**
+     * 上报设备状态到服务端（电量、蓝牙、NFC）
+     * 手机端从此接口获取手表电量
+     */
+    private fun reportDeviceStatus(power: Int) {
+        // 去抖：变化 >=5% 或首次才上报
+        if (lastReportedPower >= 0 && kotlin.math.abs(power - lastReportedPower) < 5) return
+        lastReportedPower = power
+
+        viewLifecycleOwner.lifecycleScope.launch {
+            try {
+                val params = hashMapOf<String, Any>(
+                    "imei" to devicePrefs.imei,
+                    "power" to power,
+                    "blueStatus" to 1,
+                    "nfcStatus" to 1
+                )
+                com.xiaoqu.watch.network.safeApiCall { commonApi.reportDeviceStatus(params) }
+                timber.log.Timber.d("设备状态上报: power=$power")
+            } catch (e: Exception) {
+                timber.log.Timber.w(e, "设备状态上报失败")
+            }
+        }
+    }
+
     /** 调试模式：500ms 内连续点击 6 次触发 */
     private fun checkDebugMode() {
         val now = System.currentTimeMillis()
@@ -493,6 +522,7 @@ class HomeFragment : BaseFragment<FragmentHomeBinding>() {
                         statusBar.updateBattery(event.level, event.isCharging)
                         bluetoothScanManager.currentPower = event.level
                         updateConfigBattery(event.level, event.isCharging)
+                        reportDeviceStatus(event.level)
                     }
                     // 蓝牙状态变化
                     is AppEvent.BluetoothStateChanged -> {