first commit

MyNewProjectName.Contracts/DTOs/Requests/CreateSampleRequest.cs

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+namespace MyNewProjectName.Contracts.DTOs.Requests;
+
+/// <summary>
+/// Request to create a sample
+/// </summary>
+public class CreateSampleRequest
+{
+    public string Name { get; set; } = string.Empty;
+    public string? Description { get; set; }
+}

MyNewProjectName.Contracts/DTOs/Requests/PaginatedRequest.cs

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+namespace MyNewProjectName.Contracts.DTOs.Requests;
+
+/// <summary>
+/// Base request for paginated queries
+/// </summary>
+public class PaginatedRequest
+{
+    public int PageNumber { get; set; } = 1;
+    public int PageSize { get; set; } = 10;
+    public string? SearchTerm { get; set; }
+    public string? SortBy { get; set; }
+    public bool SortDescending { get; set; } = false;
+}

MyNewProjectName.Contracts/DTOs/Responses/ApiResponse.cs

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+namespace MyNewProjectName.Contracts.DTOs.Responses;
+
+/// <summary>
+/// Standard API response wrapper
+/// </summary>
+public class ApiResponse<T>
+{
+    public bool Success { get; set; }
+    public string? Message { get; set; }
+    public T? Data { get; set; }
+    public List<string>? Errors { get; set; }
+
+    public static ApiResponse<T> SuccessResponse(T data, string? message = null)
+    {
+        return new ApiResponse<T>
+        {
+            Success = true,
+            Data = data,
+            Message = message
+        };
+    }
+
+    public static ApiResponse<T> ErrorResponse(string error)
+    {
+        return new ApiResponse<T>
+        {
+            Success = false,
+            Errors = new List<string> { error }
+        };
+    }
+
+    public static ApiResponse<T> ErrorResponse(List<string> errors)
+    {
+        return new ApiResponse<T>
+        {
+            Success = false,
+            Errors = errors
+        };
+    }
+}
+
+/// <summary>
+/// Non-generic API response
+/// </summary>
+public class ApiResponse
+{
+    public bool Success { get; set; }
+    public string? Message { get; set; }
+    public List<string>? Errors { get; set; }
+
+    public static ApiResponse SuccessResponse(string? message = null)
+    {
+        return new ApiResponse
+        {
+            Success = true,
+            Message = message
+        };
+    }
+
+    public static ApiResponse ErrorResponse(string error)
+    {
+        return new ApiResponse
+        {
+            Success = false,
+            Errors = new List<string> { error }
+        };
+    }
+}

MyNewProjectName.Contracts/DTOs/Responses/PaginatedResponse.cs

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+namespace MyNewProjectName.Contracts.DTOs.Responses;
+
+/// <summary>
+/// Paginated response wrapper
+/// </summary>
+public class PaginatedResponse<T>
+{
+    public List<T> Items { get; set; } = new();
+    public int PageNumber { get; set; }
+    public int TotalPages { get; set; }
+    public int TotalCount { get; set; }
+    public bool HasPreviousPage { get; set; }
+    public bool HasNextPage { get; set; }
+}

MyNewProjectName.Contracts/DTOs/Responses/SampleResponse.cs

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+namespace MyNewProjectName.Contracts.DTOs.Responses;
+
+/// <summary>
+/// Sample response DTO
+/// </summary>
+public class SampleResponse
+{
+    public Guid Id { get; set; }
+    public string Name { get; set; } = string.Empty;
+    public string? Description { get; set; }
+    public bool IsActive { get; set; }
+    public DateTime CreatedAt { get; set; }
+}