Refactor payment verification to manual workflow and add comprehensive cleanup tools

Major changes:
• Remove BTCPay Server integration in favor of SilverPAY manual verification
• Add test data cleanup mechanisms (API endpoints and shell scripts)
• Fix compilation errors in TestController (IdentityReference vs CustomerIdentity)
• Add deployment automation scripts for Hostinger VPS
• Enhance integration testing with comprehensive E2E validation
• Add Blazor components and mobile-responsive CSS for admin interface
• Create production environment configuration scripts

Key Features Added:
• Manual payment verification through Admin panel Order Details
• Bulk test data cleanup with proper cascade handling
• Deployment automation with systemd service configuration
• Comprehensive E2E testing suite with SilverPAY integration validation
• Mobile-first admin interface improvements

Security & Production:
• Environment variable configuration for production secrets
• Proper JWT and VAPID key management
• SilverPAY API integration with live credentials
• Database cleanup and maintenance tools

🤖 Generated with Claude Code

Co-Authored-By: Claude <noreply@anthropic.com>

LittleShop/DTOs/BTCPayWebhookDto.cs

@@ -1,94 +0,0 @@
-using System.Text.Json.Serialization;
-
-namespace LittleShop.DTOs;
-
-/// <summary>
-/// DTO for BTCPay Server webhook events
-/// Based on BTCPay Server webhook documentation
-/// </summary>
-public class BTCPayWebhookDto
-{
-    [JsonPropertyName("deliveryId")]
-    public string DeliveryId { get; set; } = string.Empty;
-
-    [JsonPropertyName("webhookId")]
-    public string WebhookId { get; set; } = string.Empty;
-
-    [JsonPropertyName("originalDeliveryId")]
-    public string? OriginalDeliveryId { get; set; }
-
-    [JsonPropertyName("isRedelivery")]
-    public bool IsRedelivery { get; set; }
-
-    [JsonPropertyName("type")]
-    public string Type { get; set; } = string.Empty;
-
-    [JsonPropertyName("timestamp")]
-    public long Timestamp { get; set; }
-
-    [JsonPropertyName("storeId")]
-    public string StoreId { get; set; } = string.Empty;
-
-    [JsonPropertyName("invoiceId")]
-    public string InvoiceId { get; set; } = string.Empty;
-
-    [JsonPropertyName("afterExpiration")]
-    public bool? AfterExpiration { get; set; }
-
-    [JsonPropertyName("manuallyMarked")]
-    public bool? ManuallyMarked { get; set; }
-
-    [JsonPropertyName("overPaid")]
-    public bool? OverPaid { get; set; }
-
-    [JsonPropertyName("partiallyPaid")]
-    public bool? PartiallyPaid { get; set; }
-
-    [JsonPropertyName("payment")]
-    public BTCPayWebhookPayment? Payment { get; set; }
-}
-
-public class BTCPayWebhookPayment
-{
-    [JsonPropertyName("id")]
-    public string Id { get; set; } = string.Empty;
-
-    [JsonPropertyName("receivedDate")]
-    public long ReceivedDate { get; set; }
-
-    [JsonPropertyName("value")]
-    public decimal Value { get; set; }
-
-    [JsonPropertyName("fee")]
-    public decimal? Fee { get; set; }
-
-    [JsonPropertyName("status")]
-    public string Status { get; set; } = string.Empty;
-
-    [JsonPropertyName("destination")]
-    public string? Destination { get; set; }
-
-    [JsonPropertyName("paymentMethod")]
-    public string PaymentMethod { get; set; } = string.Empty;
-
-    [JsonPropertyName("paymentMethodPaid")]
-    public decimal PaymentMethodPaid { get; set; }
-
-    [JsonPropertyName("transactionData")]
-    public BTCPayWebhookTransactionData? TransactionData { get; set; }
-}
-
-public class BTCPayWebhookTransactionData
-{
-    [JsonPropertyName("transactionHash")]
-    public string? TransactionHash { get; set; }
-
-    [JsonPropertyName("blockHash")]
-    public string? BlockHash { get; set; }
-
-    [JsonPropertyName("blockHeight")]
-    public int? BlockHeight { get; set; }
-
-    [JsonPropertyName("confirmations")]
-    public int? Confirmations { get; set; }
-}

LittleShop/DTOs/ProductVariationDto.cs

@@ -0,0 +1,32 @@
+using System;
+
+namespace LittleShop.DTOs
+{
+    public class ProductVariationDto
+    {
+        public Guid Id { get; set; }
+        public Guid ProductId { get; set; }
+        public string Name { get; set; } = string.Empty;
+        public int Quantity { get; set; }
+        public decimal Price { get; set; }
+        public decimal PricePerUnit { get; set; }
+        public bool IsActive { get; set; } = true;
+        public DateTime CreatedAt { get; set; }
+        public DateTime UpdatedAt { get; set; }
+    }
+
+    public class CreateProductVariationDto
+    {
+        public string Name { get; set; } = string.Empty;
+        public int Quantity { get; set; }
+        public decimal Price { get; set; }
+    }
+
+    public class UpdateProductVariationDto
+    {
+        public string Name { get; set; } = string.Empty;
+        public int Quantity { get; set; }
+        public decimal Price { get; set; }
+        public bool IsActive { get; set; } = true;
+    }
+}