Implement identity verification feature with image upload and token management

FoodsharingSiegen.Server/Migrations/20260420122950_AddImageVerification.cs

@@ -0,0 +1,58 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace FoodsharingSiegen.Server.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddImageVerification : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<Guid>(
+                name: "VerificationToken",
+                table: "Prospects",
+                type: "TEXT",
+                nullable: true);
+
+            migrationBuilder.CreateTable(
+                name: "ProspectImages",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "TEXT", nullable: false),
+                    ProspectId = table.Column<Guid>(type: "TEXT", nullable: false),
+                    ImageData = table.Column<byte[]>(type: "BLOB", nullable: false),
+                    ContentType = table.Column<string>(type: "TEXT", maxLength: 100, nullable: false),
+                    Created = table.Column<DateTime>(type: "TEXT", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_ProspectImages", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_ProspectImages_Prospects_ProspectId",
+                        column: x => x.ProspectId,
+                        principalTable: "Prospects",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ProspectImages_ProspectId",
+                table: "ProspectImages",
+                column: "ProspectId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "ProspectImages");
+
+            migrationBuilder.DropColumn(
+                name: "VerificationToken",
+                table: "Prospects");
+        }
+    }
+}