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/laravel/prompts/src/Key.php

@@ -0,0 +1,116 @@
+<?php
+
+namespace Laravel\Prompts;
+
+class Key
+{
+    const UP = "\e[A";
+
+    const SHIFT_UP = "\e[1;2A";
+
+    const PAGE_UP = "\e[5~";
+
+    const DOWN = "\e[B";
+
+    const SHIFT_DOWN = "\e[1;2B";
+
+    const PAGE_DOWN = "\e[6~";
+
+    const RIGHT = "\e[C";
+
+    const LEFT = "\e[D";
+
+    const UP_ARROW = "\eOA";
+
+    const DOWN_ARROW = "\eOB";
+
+    const RIGHT_ARROW = "\eOC";
+
+    const LEFT_ARROW = "\eOD";
+
+    const ESCAPE = "\e";
+
+    const DELETE = "\e[3~";
+
+    const BACKSPACE = "\177";
+
+    const ENTER = "\n";
+
+    const SPACE = ' ';
+
+    const TAB = "\t";
+
+    const SHIFT_TAB = "\e[Z";
+
+    const HOME = ["\e[1~", "\eOH", "\e[H", "\e[7~"];
+
+    const END = ["\e[4~", "\eOF", "\e[F", "\e[8~"];
+
+    /**
+     * Cancel/SIGINT
+     */
+    const CTRL_C = "\x03";
+
+    /**
+     * Previous/Up
+     */
+    const CTRL_P = "\x10";
+
+    /**
+     * Next/Down
+     */
+    const CTRL_N = "\x0E";
+
+    /**
+     * Forward/Right
+     */
+    const CTRL_F = "\x06";
+
+    /**
+     * Back/Left
+     */
+    const CTRL_B = "\x02";
+
+    /**
+     * Backspace
+     */
+    const CTRL_H = "\x08";
+
+    /**
+     * Home
+     */
+    const CTRL_A = "\x01";
+
+    /**
+     * EOF
+     */
+    const CTRL_D = "\x04";
+
+    /**
+     * End
+     */
+    const CTRL_E = "\x05";
+
+    /**
+     * Negative affirmation
+     */
+    const CTRL_U = "\x15";
+
+    /**
+     * Checks for the constant values for the given match and returns the match
+     *
+     * @param  array<string|array<string>>  $keys
+     */
+    public static function oneOf(array $keys, string $match): ?string
+    {
+        foreach ($keys as $key) {
+            if (is_array($key) && static::oneOf($key, $match) !== null) {
+                return $match;
+            } elseif ($key === $match) {
+                return $match;
+            }
+        }
+
+        return null;
+    }
+}