fix(scale): 解决称重设备清零功能问题

- 修复了ScaleServiceManager中的WeightUtil引用路径错误
- 添加了WebSocket服务器中设备ID验证失败的日志记录
- 修复了Weigher2中字符串比较的错误写法，使用equals方法替代==
- 更新了WeightUtil中清零操作的日志记录和异常处理机制

app/src/main/java/com/shuwei/dish/match/scale/ScaleServiceManager.kt

@@ -5,6 +5,7 @@ import android.util.Log
 import com.shuwei.dish.match.base.DeviceRole
 import com.shuwei.dish.match.base.GlobalData
 import com.shuwei.dish.match.utils.NetworkUtil
+import com.shuwei.dish.match.utils.WeightUtil
 import kotlinx.coroutines.flow.StateFlow
 
 /**
@@ -165,7 +166,7 @@ object ScaleServiceManager {
      */
     fun sendTare(deviceId: String, address: Int): Boolean {
         return if (deviceId == GlobalData.deviceId) {
-            com.shuwei.dish.match.utils.WeightUtil.tareTwo(address)
+            WeightUtil.tareTwo(address)
             true
         } else {
             val cmd = ScaleCommand(ScaleCommand.CMD_TARE, deviceId, address)

app/src/main/java/com/shuwei/dish/match/scale/ScaleWebSocketServer.kt

@@ -137,15 +137,18 @@ class ScaleWebSocketServer(private val deviceId: String, private val context: Co
             try {
                 val cmd = gson.fromJson(message, ScaleCommand::class.java)
                 // 校验指令目标设备是否为本机
-                if (cmd.deviceId != deviceId) return
+                if (cmd.deviceId != deviceId) {
+                    Log.d(TAG, "收到清零指令, 但设备号不正确, deviceId=${cmd.deviceId}")
+                    return
+                }
                 when (cmd.cmd) {
                     ScaleCommand.CMD_TARE -> {
                         Log.d(TAG, "收到清零指令, address=${cmd.address}")
-                        com.shuwei.dish.match.utils.WeightUtil.tareTwo(cmd.address)
+                        WeightUtil.tareTwo(cmd.address)
                     }
                 }
             } catch (e: Exception) {
-                Log.w(TAG, "解析指令失败: ${e.message}")
+                Log.w(TAG, "收到清零指令, 解析指令失败: ${e.message}")
             }
         }