Commit inicial - WordPress Análisis de Precios Unitarios

- WordPress core y plugins
- Tema Twenty Twenty-Four configurado
- Plugin allow-unfiltered-html.php simplificado
- .gitignore configurado para excluir wp-config.php y uploads

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

wp-content/plugins/fluent-smtp/includes/Core/ContextualBindingBuilder.php

@@ -0,0 +1,60 @@
+<?php
+
+namespace FluentMail\Includes\Core;
+
+use FluentMail\Includes\Support\Contracts\ContextualBindingBuilderContract;
+
+class ContextualBindingBuilder implements ContextualBindingBuilderContract
+{
+    /**
+     * The underlying container instance.
+     *
+     * @var FluentMail\Includes\Core\Container
+     */
+    protected $container;
+
+    /**
+     * The concrete instance.
+     *
+     * @var string
+     */
+    protected $concrete;
+
+    /**
+     * Create a new contextual binding builder.
+     *
+     * @param  FluentMail\Includes\Core\Container  $container
+     * @param  string  $concrete
+     * @return void
+     */
+    public function __construct(Container $container, $concrete)
+    {
+        $this->concrete = $concrete;
+        $this->container = $container;
+    }
+
+    /**
+     * Define the abstract target that depends on the context.
+     *
+     * @param  string  $abstract
+     * @return $this
+     */
+    public function needs($abstract)
+    {
+        $this->needs = $abstract;
+        return $this;
+    }
+    
+    /**
+     * Define the implementation for the contextual binding.
+     *
+     * @param  Closure|string  $implementation
+     * @return void
+     */
+    public function give($implementation)
+    {
+        $this->container->addContextualBinding(
+            $this->concrete, $this->needs, $implementation
+        );
+    }
+}