fix: correct page flow — wear-check before mode select, smart mode to auto-scan

- wear-check onNext → treatment-setup (was auto-scan)
- treatment-setup smart mode → auto-scan (was wear-check)
Flow: index → wear-check → treatment-setup → normal: treat / smart: auto-scan → treat

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

@@ -33,7 +33,7 @@ Page({
       return
     }
     wx.redirectTo({
-      url: '/pages/auto-scan/auto-scan?regions=' + this.data.regions
+      url: '/pages/treatment-setup/treatment-setup'
     })
   },