refactor: 添加配置验证和提取常量，提高代码可维护性

CoreAgent.Infrastructure/Services/Network/CellularNetworkService.cs

@@ -26,6 +26,8 @@ public class CellularNetworkService : ICellularNetworkService
     private const int MaxConnectionAttempts = 30;
     private const int ConnectionCheckDelayMs = 1000;
     private const int LockTimeoutSeconds = 5;
+    private const string NULL_CONFIG = "NULL";
+    private const string KILL_COMMAND_TEMPLATE = "ps -ef | grep {0} | grep -v grep | awk '{{print $2}}' | xargs kill -9";
 
     public CellularNetworkService(
         ILogger<CellularNetworkService> logger,
@@ -207,7 +209,7 @@ public class CellularNetworkService : ICellularNetworkService
 
     private async Task<bool> KillProcessAsync(string template,int Timeout)
     {
-        string killCmd = $"ps -ef | grep {template} | grep -v grep | awk '{{print $2}}' | xargs kill -9";
+        string killCmd = string.Format(KILL_COMMAND_TEMPLATE, template);
         var result = await _commandExecutor.ExecuteCommandAsync(killCmd, new CancellationTokenSource());
         _logger.LogInformation("已终止进程: {Template}", template);
         return result.IsSuccess;
@@ -217,6 +219,13 @@ public class CellularNetworkService : ICellularNetworkService
     {
         try
         {
+            // 验证配置
+            if (!ValidateConfig(networkConfig))
+            {
+                _logger.LogError("网络配置验证失败");
+                return false;
+            }
+
             // 复制配置值到临时目录并更新配置路径
             if (!CopyConfigValuesToTempAsync(networkConfig))
             {
@@ -398,7 +407,7 @@ public class CellularNetworkService : ICellularNetworkService
         {
             var config = secondaryConfigs[i];
             var command = string.Format(startCommand.Template, i + 1);
-            var fullCommand = $"{command} NULL {config.CoreNetworkConfig} {config.ImsConfig}";
+            var fullCommand = $"{command} {NULL_CONFIG} {config.CoreNetworkConfig} {config.ImsConfig}";
 
             _logger.LogInformation("并发执行次要配置启动命令: {Command}", fullCommand);
             secondaryTasks.Add(_commandExecutor.ExecuteCommandAsync(fullCommand, _context.token));
@@ -502,4 +511,51 @@ public class CellularNetworkService : ICellularNetworkService
         _logger.LogError("蜂窝网络连接超时");
         return false;
     }
+
+    /// <summary>
+    /// 验证网络配置是否有效
+    /// </summary>
+    private bool ValidateConfig(NetworkConfiguration config)
+    {
+        if (config == null)
+        {
+            _logger.LogError("网络配置为空");
+            return false;
+        }
+
+        // 验证RAG配置
+        if (!string.IsNullOrEmpty(config.RagConfig) && !File.Exists(config.RagConfig))
+        {
+            _logger.LogError("RAG配置文件不存在: {FilePath}", config.RagConfig);
+            return false;
+        }
+
+        // 验证核心网络和IMS配置
+        if (config.CoreOrImsConfigs != null)
+        {
+            foreach (var coreConfig in config.CoreOrImsConfigs)
+            {
+                if (!string.IsNullOrEmpty(coreConfig.CoreNetworkConfig) && !File.Exists(coreConfig.CoreNetworkConfig))
+                {
+                    _logger.LogError("核心网络配置文件不存在: {FilePath}", coreConfig.CoreNetworkConfig);
+                    return false;
+                }
+
+                if (!string.IsNullOrEmpty(coreConfig.ImsConfig) && !File.Exists(coreConfig.ImsConfig))
+                {
+                    _logger.LogError("IMS配置文件不存在: {FilePath}", coreConfig.ImsConfig);
+                    return false;
+                }
+            }
+        }
+
+        // 验证至少有一个有效配置
+        if (string.IsNullOrEmpty(config.RagConfig) && (config.CoreOrImsConfigs == null || !config.CoreOrImsConfigs.Any()))
+        {
+            _logger.LogError("没有有效的网络配置");
+            return false;
+        }
+
+        return true;
+    }
 }