feat: добавить поддержку GitLab (api, clients, tools) и обновить документацию

LazyBear.MCP/Services/GitLab/GitLabClientProvider.cs

@@ -0,0 +1,56 @@
+using Microsoft.Extensions.Configuration;
+
+namespace LazyBear.MCP.Services.GitLab;
+
+/// <summary>
+/// Провайдер GitLab клиента для DI
+/// </summary>
+public sealed class GitLabClientProvider : IDisposable
+{
+    private readonly IConfiguration _config;
+    private readonly object _locker;
+    private GitLabApiClient? _client;
+    public string? InitializationError { get; private set; }
+
+    /// <summary>
+    /// Конструктор
+    /// </summary>
+    /// <param name="config">Конфигурация приложения</param>
+    public GitLabClientProvider(IConfiguration config)
+    {
+        _config = config;
+        _locker = new object();
+    }
+
+    private void SetError(string message)
+    {
+        InitializationError = message;
+    }
+
+    /// <summary>
+    /// Создание клиента
+    /// </summary>
+    public GitLabApiClient? GetClient()
+    {
+        var baseUrl = _config["GitLab:Url"];
+        if (string.IsNullOrEmpty(baseUrl))
+        {
+            SetError("GitLab:Url не настроен в конфигурации.");
+            return null;
+        }
+
+        lock (_locker)
+        {
+            if (_client == null)
+            {
+                _client = new GitLabApiClient(baseUrl);
+            }
+            return _client;
+        }
+    }
+
+    public void Dispose()
+    {
+        _client?.Dispose();
+    }
+}