fix(equipment): 取消配对时断开当前连接设备并清缓存

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

miniprogram/pages/equipment/equipment.ts

@@ -155,6 +155,10 @@ Page({
                 if (!res.confirm) return
                 unbindDevice(item.id)
                     .then(() => {
+                        // 取消配对的是当前连接的设备：断开连接并清缓存
+                        if (leFuService.isConnected && leFuService.lastRawDevice?.deviceId === item.deviceId) {
+                            leFuService.disconnect()
+                        }
                         const cached = wx.getStorageSync('connectDeviceInfo') as Record<string, any> | null
                         if (cached?.deviceId === item.deviceId) {
                             wx.removeStorageSync('connectDeviceInfo')
@@ -359,6 +363,10 @@ Page({
                 if (!res.confirm) return
                 unbindDevice()
                     .then(() => {
+                        // 取消全部配对：断开当前连接并清缓存
+                        if (leFuService.isConnected) {
+                            leFuService.disconnect()
+                        }
                         wx.removeStorageSync('connectDeviceInfo')
                         wx.showToast({ title: '已取消全部配对', icon: 'success' })
                         this.loadDevices()