使用 maf重构

Service/AgentFramework/TextProcessingTools.cs

@@ -0,0 +1,51 @@
+namespace Service.AgentFramework;
+
+/// <summary>
+/// 文本处理工具集
+/// </summary>
+public interface ITextProcessingTools
+{
+    /// <summary>
+    /// 提取关键词
+    /// </summary>
+    Task<List<string>> ExtractKeywordsAsync(string text);
+
+    /// <summary>
+    /// 分析文本结构
+    /// </summary>
+    Task<Dictionary<string, object?>> AnalyzeTextStructureAsync(string text);
+}
+
+/// <summary>
+/// 文本处理工具实现
+/// </summary>
+public class TextProcessingTools(
+    ITextSegmentService textSegmentService,
+    ILogger<TextProcessingTools> logger
+) : ITextProcessingTools
+{
+    public async Task<List<string>> ExtractKeywordsAsync(string text)
+    {
+        logger.LogDebug("提取关键词: {Text}", text);
+        
+        var keywords = await Task.FromResult(textSegmentService.ExtractKeywords(text));
+        
+        logger.LogDebug("提取到 {Count} 个关键词: {Keywords}",
+            keywords.Count,
+            string.Join(", ", keywords));
+
+        return keywords;
+    }
+
+    public async Task<Dictionary<string, object?>> AnalyzeTextStructureAsync(string text)
+    {
+        logger.LogDebug("分析文本结构");
+        
+        return await Task.FromResult(new Dictionary<string, object?>
+        {
+            ["length"] = text.Length,
+            ["wordCount"] = text.Split(' ').Length,
+            ["timestamp"] = DateTime.UtcNow
+        });
+    }
+}