Stand: SMTP-Test, Admin-Mail-Tab, Notifiable-Fix, Lazy-Quill

- Fix: Notifiable-Trait zum User-Model hinzugefuegt (behebt notify()-500er)
- Installer: SMTP-Verbindungstest mit EsmtpTransport + Ueberspringen-Link
- Admin: Neuer E-Mail-Tab mit SMTP-Konfiguration + Verbindungstest
- Admin: Lazy Quill-Initialisierung (nur sichtbare Locale wird geladen)
- Uebersetzungen: 17 neue Mail-Keys in allen 6 Sprachen

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

vendor/league/uri-interfaces/QueryExtractMode.php

@@ -0,0 +1,50 @@
+<?php
+
+/**
+ * League.Uri (https://uri.thephpleague.com)
+ *
+ * (c) Ignace Nyamagana Butera <nyamsprod@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace League\Uri;
+
+enum QueryExtractMode
+{
+    /**
+     * Parses the query string using parse_str algorithm.
+     */
+    case Native;
+
+    /**
+     * Parses the query string like parse_str without mangling result keys.
+     *
+     * The result is similar to PHP parse_str when used with its second argument,
+     * with the difference that variable names are not mangled.
+     *
+     * Behavior details:
+     * - Empty names are ignored
+     * - If a name is duplicated, the last value overwrites the previous one
+     * - If no "[" is detected, the value is added using the name as the array key
+     * - If "[" is detected but no matching "]" exists, the value is added using the name as the array key
+     * - If bracket usage is malformed, the remaining part is dropped
+     * - "." and " " are NOT converted to "_"
+     * - If no "]" exists, the first "[" is not converted to "_"
+     * - No whitespace trimming is performed on keys
+     *
+     * @see https://www.php.net/parse_str
+     * @see https://wiki.php.net/rfc/on_demand_name_mangling
+     */
+    case Unmangled;
+
+    /**
+     * Same as QueryParsingMode::Unmangled and additionally
+     * preserves null values instead of converting them
+     * to empty strings.
+     */
+    case LossLess;
+}