[AI Generated]: fix(lefu): 修复蓝牙断连后 isConnected 误报及重连无效问题，新增 equipmentMember 页 onShow 兜底注释

miniprogram/lefu/service.ts

@@ -83,6 +83,7 @@ class LeFuService {
     private readonly _maxReconnect = 3
     private _reconnectTimer: number | null = null
     private _keepAliveTimer: number | null = null
+    private _lastRawDevice: RawDevice | null = null
 
     private _onDevicesListCb: ((devices: ScannedDevice[]) => void) | null = null
     private _onConnectStateCb: ((state: string) => void) | null = null
@@ -181,6 +182,7 @@ class LeFuService {
 
         plugin.bus.subscribe('deviceWillDisconnect', () => {
             console.warn(TAG, 'bus[deviceWillDisconnect]，intentionalConnect:', this._intentionalConnect)
+            this._activeProtocol = null
             this._stopKeepAlive()
             this._onDisconnectedCb?.()
             if (!this._intentionalConnect) {
@@ -191,6 +193,7 @@ class LeFuService {
 
     connect(rawDevice: RawDevice): void {
         console.log(TAG, 'connect():', rawDevice.name)
+        this._lastRawDevice = rawDevice
         this._intentionalConnect = true
         this._stopKeepAlive()
         this._stopReconnectTimer()
@@ -331,15 +334,19 @@ class LeFuService {
     private _doReconnect(): void {
         if (this._reconnectCount >= this._maxReconnect) {
             console.warn(TAG, '重连次数已达上限')
+            this._onDisconnectedCb?.()
+            return
+        }
+        if (!this._lastRawDevice) {
+            console.warn(TAG, '无缓存设备，放弃重连')
             return
         }
         this._reconnectCount++
         console.log(TAG, `_doReconnect 第 ${this._reconnectCount} 次`)
         this._stopReconnectTimer()
         this._reconnectTimer = setTimeout(() => {
-            plugin.Blue.disconnect((res: any) => {
-                if (res?.errCode === 0) plugin.Blue.startBluetoothDevicesDiscovery()
-            })
+            plugin.Blue.clearProtocol()
+            plugin.Blue.createBLEConnection(this._lastRawDevice!)
         }, 2000)
     }