fix(global): App 启动时恢复本地保存的环境地址

- SpTool 新增 baseUrl 属性，统一管理环境地址的持久化读写
- EnvSwitchDialog 改用 SpTool.baseUrl 保存，移除直接调用 SpTool.put
- BaseApp.onCreate 启动时读取 SpTool.baseUrl 并赋值给 GlobalData.appBaseUrl

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

app/src/main/java/com/shuwei/dish/match/base/BaseApp.kt

@@ -12,6 +12,7 @@ import com.shuwei.dish.match.objbox.ObjectBox
 import com.shuwei.dish.match.scale.ScaleDeviceConfig
 import com.shuwei.dish.match.scale.ScaleServiceManager
 import com.shuwei.dish.match.utils.AppUtil
+import com.shuwei.dish.match.utils.SpTool
 import com.shuwei.dish.match.utils.BootReceiver
 import com.shuwei.dish.match.utils.CrashHandler
 import com.shuwei.dish.match.utils.Weigher2
@@ -31,6 +32,11 @@ class BaseApp : Application() {
         super.onCreate()
         // Set the application instance
         instance = this
+        // 读取本地保存的环境地址，覆盖默认值
+        val savedBaseUrl = SpTool.baseUrl
+        if (savedBaseUrl.isNotEmpty()) {
+            GlobalData.appBaseUrl = savedBaseUrl
+        }
         // Initialize crash handler for error tracking
         CrashHandler.init(this)
         // Get and store the unique device ID

app/src/main/java/com/shuwei/dish/match/dialog/EnvSwitchDialog.kt

@@ -4,7 +4,6 @@ import android.content.Context
 import android.view.LayoutInflater
 import android.view.View
 import com.shuwei.dish.match.base.GlobalData
-import com.shuwei.dish.match.base.GlobalKey
 import com.shuwei.dish.match.databinding.DialogEnvSwitchContentBinding
 import com.shuwei.dish.match.utils.SpTool
 import com.shuwei.dish.match.utils.ext.toast
@@ -47,7 +46,7 @@ class EnvSwitchDialog(
                 else                     -> return@setPositiveButtonInterceptable false
             }
             GlobalData.appBaseUrl = newUrl
-            SpTool.put(GlobalKey.KEY_BASE_URL, newUrl)
+            SpTool.baseUrl = newUrl
             onEnvChanged(newUrl)
             true
         }

app/src/main/java/com/shuwei/dish/match/utils/SpTool.kt

@@ -1,6 +1,7 @@
 package com.shuwei.dish.match.utils
 
 import com.shuwei.dish.match.base.BaseApp
+import com.shuwei.dish.match.base.GlobalKey
 import com.shuwei.dish.match.utils.ext.put
 
 object SpTool {
@@ -46,4 +47,11 @@ object SpTool {
         set(value) {
             put(CANTEEN_ID, value)
         }
+
+    /** 环境 BaseUrl，持久化存储，默认空字符串（空时使用 GlobalData 默认值） */
+    var baseUrl: String
+        get() = getString(GlobalKey.KEY_BASE_URL, "")
+        set(value) {
+            put(GlobalKey.KEY_BASE_URL, value)
+        }
 }