Sync deploy mirror and upstream error page

.deploy/artwork-evolution-release/database/migrations/2026_04_18_220000_create_upload_batch_tables.php

@@ -0,0 +1,53 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::create('upload_batches', function (Blueprint $table) {
+            $table->bigIncrements('id');
+            $table->foreignId('user_id')->constrained()->cascadeOnDelete();
+            $table->string('name', 160)->nullable();
+            $table->string('status', 32)->default('uploading')->index();
+            $table->unsignedInteger('total_items')->default(0);
+            $table->unsignedInteger('processed_items')->default(0);
+            $table->unsignedInteger('failed_items')->default(0);
+            $table->unsignedInteger('published_items')->default(0);
+            $table->json('defaults_json')->nullable();
+            $table->timestamps();
+
+            $table->index(['user_id', 'created_at'], 'upload_batches_user_created_idx');
+        });
+
+        Schema::create('upload_batch_items', function (Blueprint $table) {
+            $table->bigIncrements('id');
+            $table->foreignId('upload_batch_id')->constrained('upload_batches')->cascadeOnDelete();
+            $table->foreignId('user_id')->constrained()->cascadeOnDelete();
+            $table->foreignId('artwork_id')->nullable()->constrained('artworks')->nullOnDelete();
+            $table->string('original_filename');
+            $table->string('status', 32)->default('uploaded')->index();
+            $table->string('processing_stage', 32)->default('queued')->index();
+            $table->string('error_code', 64)->nullable();
+            $table->text('error_message')->nullable();
+            $table->unsignedTinyInteger('metadata_completeness')->default(0);
+            $table->boolean('is_ready_to_publish')->default(false)->index();
+            $table->timestamp('uploaded_at')->nullable();
+            $table->timestamp('processed_at')->nullable();
+            $table->timestamp('published_at')->nullable();
+            $table->timestamps();
+
+            $table->index(['upload_batch_id', 'status'], 'upload_batch_items_batch_status_idx');
+            $table->index(['user_id', 'status'], 'upload_batch_items_user_status_idx');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('upload_batch_items');
+        Schema::dropIfExists('upload_batches');
+    }
+};