resource provider and service improvements

shared/lib/Mail/Provider/ProviderBaseInterface.php

@@ -0,0 +1,41 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: Sebastian Krupinski <krupinski01@gmail.com>
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace KTXF\Mail\Provider;
+
+use KTXF\Mail\Service\ServiceBaseInterface;
+use KTXF\Resource\Provider\ResourceProviderBaseInterface;
+
+/**
+ * Mail Provider Base Interface
+ * 
+ * Core interface for mail providers with context-aware service discovery.
+ * 
+ * @since 2025.05.01
+ */
+interface ProviderBaseInterface extends ResourceProviderBaseInterface{
+
+    public const JSON_TYPE = 'mail.provider';
+    
+    /**
+     * Finds a service that handles a specific email address
+     * 
+     * Searches within the appropriate scope based on userId context.
+     *
+     * @since 2025.05.01
+     *
+     * @param string $tenantId Tenant identifier
+     * @param string|null $userId User identifier for context
+     * @param string $address Email address to find service for
+     *
+     * @return IServiceBase|null Service handling the address, or null
+     */
+    public function serviceFindByAddress(string $tenantId, ?string $userId, string $address): ?ServiceBaseInterface;
+
+}