refactor: wear-check is now pure manual confirm, no BLE commands

Remove all fitting detection logic (setParams, fitting event listener,
timeout). User manually confirms wearing, then proceeds to detection
page. No BLE commands sent on this page.

miniprogram/pages/wear-check/wear-check.js

@@ -1,14 +1,11 @@
 var ble = require('../../services/ble')
-var FITTING_TIMEOUT = 10000
 
 Page({
   data: {
     statusBarHeight: 44,
-    checking: false,
-    result: null,
-    error: '',
     battery: 0,
-    connected: false
+    connected: false,
+    regions: 0x1F
   },
 
   onBack: function () {
@@ -19,111 +16,57 @@ Page({
     })
   },
 
-  onLoad: function () {
+  onLoad: function (options) {
     var app = getApp()
-    this.setData({ statusBarHeight: app.globalData.statusBarHeight })
-    var device = app.globalData.currentDevice || {}
     this.setData({
-      battery: device.battery || 0,
-      connected: ble.isConnected()
+      statusBarHeight: app.globalData.statusBarHeight,
+      connected: ble.isConnected(),
+      regions: parseInt(options.regions) || 0x1F
     })
-  },
-
-  onShow: function () {
-    this.checkWearing()
-  },
-
-  _cleanup: function () {
-    if (this._onFitting) { ble.off('fitting', this._onFitting); this._onFitting = null }
-    if (this._onBattery) { ble.off('battery', this._onBattery); this._onBattery = null }
-    if (this._fittingTimer) { clearTimeout(this._fittingTimer); this._fittingTimer = null }
-  },
-
-  checkWearing: function () {
-    var self = this
-    self._cleanup()
-    self._resolved = false
-    self.setData({ checking: true, result: null, error: '' })
-
-    if (!ble.isConnected()) {
-      self.setData({ checking: false, result: 'fail', error: '设备未连接，请点击重新连接' })
-      return
-    }
-
-    self.setData({ connected: true })
-
-    self._onBattery = function (info) {
-      self.setData({ battery: info.battery })
-    }
-    ble.on('battery', self._onBattery)
-
-    self._onFitting = function (data) {
-      if (self._resolved) return
-      console.log('[WEAR] 贴合状态:', data.fitting)
-      if (data.fitting === 1) {
-        self._resolved = true
-        self._cleanup()
-        self.setData({ checking: false, result: 'ok' })
-      }
-    }
-    ble.on('fitting', self._onFitting)
-
-    ble.setParams({
-      region_mask: 0x1F,
-      wavelength: 2,
-      brightness: 26,
-      hold_time: 0,
-      control: 0x01
-    }).then(function () {
-      console.log('[WEAR] 微弱光贴合检测指令已发送')
-    }).catch(function () {})
-
-    self._fittingTimer = setTimeout(function () {
-      if (self._resolved) return
-      self._resolved = true
-      self._cleanup()
-      console.log('[WEAR] 超时未收到 fitting 事件，降级为通过（兼容旧固件）')
-      self.setData({ checking: false, result: 'ok' })
-    }, FITTING_TIMEOUT)
-  },
-
-  onUnload: function () {
-    this._cleanup()
-    clearTimeout(this._reconnectTimer)
-    ble.stopScan()
+    var device = app.globalData.currentDevice || {}
+    this.setData({ battery: device.battery || 0 })
   },
 
   onNext: function () {
-    wx.navigateTo({ url: '/pages/treatment-setup/treatment-setup' })
+    if (!ble.isConnected()) {
+      wx.showToast({ title: '设备未连接', icon: 'none' })
+      return
+    }
+    wx.redirectTo({
+      url: '/pages/auto-scan/auto-scan?regions=' + this.data.regions
+    })
   },
 
   onRetry: function () {
     var self = this
-    if (self.data.checking) return
     if (ble.isConnected()) {
-      self.checkWearing()
+      self.setData({ connected: true })
       return
     }
-    self.setData({ checking: true, result: null, error: '', connected: false })
-    clearTimeout(self._reconnectTimer)
+    self.setData({ connected: false })
     ble.disconnect()
     setTimeout(function () {
       ble.startScan({
         onFound: function () {},
         onConnected: function () {
           clearTimeout(self._reconnectTimer)
-          self.setData({ checking: false, connected: true })
-          self.checkWearing()
+          self.setData({ connected: true })
+          wx.showToast({ title: '连接成功', icon: 'success' })
         },
         onError: function (err) {
           clearTimeout(self._reconnectTimer)
-          self.setData({ checking: false, result: 'fail', error: err.msg || '连接失败' })
+          wx.showToast({ title: err.msg || '连接失败', icon: 'none' })
         }
       })
       self._reconnectTimer = setTimeout(function () {
         ble.stopScan()
-        self.setData({ checking: false, result: 'fail', error: '搜索超时，请确认设备已开机' })
+        wx.showToast({ title: '搜索超时', icon: 'none' })
       }, 15000)
     }, 500)
+  },
+
+  onUnload: function () {
+    clearTimeout(this._reconnectTimer)
+    ble.stopScan()
   }
 })

miniprogram/pages/wear-check/wear-check.wxml

@@ -28,18 +28,7 @@
       </view>
     </view>
 
-    <button class="btn-primary" bindtap="checkWearing" disabled="{{checking}}" loading="{{checking}}">
-      确认已佩戴
-    </button>
-    <button class="btn-secondary" bindtap="onRetry">重新连接</button>
-
-    <view class="check-result" wx:if="{{result === 'ok'}}">
-      <text class="check-ok">✓ 佩戴确认成功</text>
-    </view>
-    <view class="check-result" wx:if="{{result === 'fail'}}">
-      <text class="check-fail">{{error}}</text>
-    </view>
-
-    <button wx:if="{{result === 'ok'}}" class="btn-primary mt-30" bindtap="onNext">设置参数</button>
+    <button class="btn-primary" wx:if="{{connected}}" bindtap="onNext">确认已佩戴，开始检测</button>
+    <button class="btn-secondary" wx:if="{{!connected}}" bindtap="onRetry">重新连接</button>
   </view>
 </view>