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/Support/Contracts/FileInterface.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace FluentMail\Includes\Support\Contracts;
+
+interface FileInterface
+{
+    /**
+     * Returns whether the file was uploaded successfully.
+     *
+     * @return bool
+     */
+    public function isValid();
+
+    /**
+     * Gets the path without filename
+     *
+     * @return string
+     */
+    public function getPath();
+
+    /**
+     * Take an educated guess of the file's extension.
+     *
+     * @return mixed|null
+     */
+    public function guessExtension();
+
+    /**
+     * Returns the original file extension.
+     *
+     * @return string
+     */
+    public function getClientOriginalExtension();
+}