Extracted some pages to their own assembly and finished the artifact display page code

OpenArchival.DataAccess/Migrations/20250909183426_AddedCascadeToFilePaths.cs

@@ -0,0 +1,41 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace OpenArchival.DataAccess.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddedCascadeToFilePaths : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_ArtifactFilePaths_ArtifactEntries_ParentArtifactEntryId",
+                table: "ArtifactFilePaths");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_ArtifactFilePaths_ArtifactEntries_ParentArtifactEntryId",
+                table: "ArtifactFilePaths",
+                column: "ParentArtifactEntryId",
+                principalTable: "ArtifactEntries",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Cascade);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_ArtifactFilePaths_ArtifactEntries_ParentArtifactEntryId",
+                table: "ArtifactFilePaths");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_ArtifactFilePaths_ArtifactEntries_ParentArtifactEntryId",
+                table: "ArtifactFilePaths",
+                column: "ParentArtifactEntryId",
+                principalTable: "ArtifactEntries",
+                principalColumn: "Id");
+        }
+    }
+}