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/Contracts/DomainHostInterface.php

@@ -0,0 +1,125 @@
+<?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\Contracts;
+
+use BackedEnum;
+use Countable;
+use Iterator;
+use IteratorAggregate;
+use League\Uri\Exceptions\SyntaxError;
+use Stringable;
+
+/**
+ * @extends IteratorAggregate<int, string>
+ *
+ * @method bool isSubdomainOf(BackedEnum|Stringable|string|null $parentHost) Tells whether the current domain instance is a subdomain of the parent host.
+ * @method bool hasSubdomain(BackedEnum|Stringable|string|null $childHost) Tells whether the submitted host is a subdomain of the current instance.
+ * @method bool isSiblingOf(BackedEnum|Stringable|string|null $siblingHost) Tells whether the submitted host share the same parent domain as the current instance.
+ * @method static commonAncestorWith(BackedEnum|Stringable|string|null $other) Returns the common longest ancestor between 2 domain. The returned domain is empty if no ancestor is found
+ * @method static parentHost() Returns the current parent domain for the current instance. The returned domain is empty if no ancestor is found
+ * @method bool isEmpty() Tells whether the domain contains any label.
+ */
+interface DomainHostInterface extends Countable, HostInterface, IteratorAggregate
+{
+    /**
+     * Returns the labels total number.
+     */
+    public function count(): int;
+
+    /**
+     * Iterate over the Domain labels.
+     *
+     * @return Iterator<string>
+     */
+    public function getIterator(): Iterator;
+
+    /**
+     * Retrieves a single host label.
+     *
+     * If the label offset has not been set, returns the null value.
+     */
+    public function get(int $offset): ?string;
+
+    /**
+     * Returns the associated key for a specific label or all the keys.
+     *
+     * @return int[]
+     */
+    public function keys(?string $label = null): array;
+
+    /**
+     * Tells whether the domain is absolute.
+     */
+    public function isAbsolute(): bool;
+
+    /**
+     * Prepends a label to the host.
+     */
+    public function prepend(Stringable|string $label): self;
+
+    /**
+     * Appends a label to the host.
+     */
+    public function append(Stringable|string $label): self;
+
+    /**
+     * Extracts a slice of $length elements starting at position $offset from the host.
+     *
+     * This method MUST retain the state of the current instance, and return
+     * an instance that contains the selected slice.
+     *
+     * If $length is null it returns all elements from $offset to the end of the Domain.
+     */
+    public function slice(int $offset, ?int $length = null): self;
+
+    /**
+     * Returns an instance with its Root label.
+     *
+     * @see https://tools.ietf.org/html/rfc3986#section-3.2.2
+     */
+    public function withRootLabel(): self;
+
+    /**
+     * Returns an instance without its Root label.
+     *
+     * @see https://tools.ietf.org/html/rfc3986#section-3.2.2
+     */
+    public function withoutRootLabel(): self;
+
+    /**
+     * Returns an instance with the modified label.
+     *
+     * This method MUST retain the state of the current instance, and return
+     * an instance that contains the new label
+     *
+     * If $key is non-negative, the added label will be the label at $key position from the start.
+     * If $key is negative, the added label will be the label at $key position from the end.
+     *
+     * @throws SyntaxError If the key is invalid
+     */
+    public function withLabel(int $key, Stringable|string $label): self;
+
+    /**
+     * Returns an instance without the specified label.
+     *
+     * This method MUST retain the state of the current instance, and return
+     * an instance that contains the modified component
+     *
+     * If $key is non-negative, the removed label will be the label at $key position from the start.
+     * If $key is negative, the removed label will be the label at $key position from the end.
+     *
+     * @throws SyntaxError If the key is invalid
+     */
+    public function withoutLabel(int ...$keys): self;
+}