feat: implement product creation workflow with variants, attribute definitions, and validation logic

database/migrations/2026_06_29_102114_refactor_product_attributes_table.php

@@ -0,0 +1,50 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        // 1. Rename table productos_attributes to attribute
+        Schema::rename('productos_attributes', 'attribute');
+
+        // 2. Rename table productos_variantes_definiciones to productos_variantes_values
+        Schema::rename('productos_variantes_definiciones', 'productos_variantes_values');
+
+        // 3. Create products_attributes intermediate table
+        Schema::create('products_attributes', function (Blueprint $table) {
+            $table->id();
+            $table->unsignedBigInteger('product_id');
+            $table->unsignedBigInteger('attribute_id');
+            $table->timestamps();
+
+            $table->foreign('product_id')
+                ->references('id')
+                ->on('productos')
+                ->cascadeOnDelete();
+
+            $table->foreign('attribute_id')
+                ->references('id')
+                ->on('attribute')
+                ->cascadeOnDelete();
+
+            $table->unique(['product_id', 'attribute_id']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('products_attributes');
+        Schema::rename('productos_variantes_values', 'productos_variantes_definiciones');
+        Schema::rename('attribute', 'productos_attributes');
+    }
+};