🐛 fix(Tools): 为 RandomNumberTools 添加命名空间并在 Program.cs 中引用

using McpBase.McpServer.Tools;

using Microsoft.Extensions.DependencyInjection;

using Microsoft.Extensions.Hosting;

using Microsoft.Extensions.Logging;

using System.ComponentModel;

using ModelContextProtocol.Server;

namespace McpBase.McpServer.Tools;

/// <summary>

/// Sample MCP tools for demonstration purposes.

/// These tools can be invoked by MCP clients to perform various operations.