Add agent index with pagination

src/Managing.Api/Models/Responses/PaginatedAgentIndexResponse.cs

@@ -0,0 +1,57 @@
+namespace Managing.Api.Models.Responses;
+
+/// <summary>
+/// Response model for paginated agent index results
+/// </summary>
+public class PaginatedAgentIndexResponse
+{
+    /// <summary>
+    /// The list of agent summaries for the current page
+    /// </summary>
+    public IEnumerable<AgentSummaryViewModel> AgentSummaries { get; set; } = new List<AgentSummaryViewModel>();
+
+    /// <summary>
+    /// Total number of agents across all pages
+    /// </summary>
+    public int TotalCount { get; set; }
+
+    /// <summary>
+    /// Current page number
+    /// </summary>
+    public int CurrentPage { get; set; }
+
+    /// <summary>
+    /// Number of items per page
+    /// </summary>
+    public int PageSize { get; set; }
+
+    /// <summary>
+    /// Total number of pages
+    /// </summary>
+    public int TotalPages { get; set; }
+
+    /// <summary>
+    /// Whether there are more pages available
+    /// </summary>
+    public bool HasNextPage { get; set; }
+
+    /// <summary>
+    /// Whether there are previous pages available
+    /// </summary>
+    public bool HasPreviousPage { get; set; }
+
+    /// <summary>
+    /// Time filter applied to the data
+    /// </summary>
+    public string TimeFilter { get; set; } = "Total";
+
+    /// <summary>
+    /// Field used for sorting
+    /// </summary>
+    public string SortBy { get; set; } = "TotalPnL";
+
+    /// <summary>
+    /// Sort order (asc or desc)
+    /// </summary>
+    public string SortOrder { get; set; } = "desc";
+}