feta: 新增知识库管理：

- Core新增Git项目管理，支持代理
- Knowledge新增知识库来源配置

test_config.cs

@@ -0,0 +1,29 @@
+using System;
+using System.Linq;
+using System.Reflection;
+using LubanHub.Core.Attributes;
+
+// 简单的测试脚本来验证配置发现
+Console.WriteLine("检查程序集加载情况...");
+
+var assemblies = AppDomain.CurrentDomain.GetAssemblies()
+    .Where(a => !a.IsDynamic && a.GetName().Name?.StartsWith("LubanHub") == true)
+    .ToList();
+
+Console.WriteLine($"发现 {assemblies.Count} 个LubanHub程序集:");
+foreach (var assembly in assemblies)
+{
+    Console.WriteLine($"  - {assembly.GetName().Name}");
+    
+    var configTypes = assembly.GetTypes()
+        .Where(type => type.IsClass && !type.IsAbstract && 
+                      type.GetCustomAttribute<ConfigurationSectionAttribute>() != null)
+        .ToList();
+    
+    Console.WriteLine($"    配置类型数量: {configTypes.Count}");
+    foreach (var configType in configTypes)
+    {
+        var attr = configType.GetCustomAttribute<ConfigurationSectionAttribute>();
+        Console.WriteLine($"      - {configType.Name}: {attr?.DisplayName}");
+    }
+}