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/thecodingmachine/safe/generated/8.1/strings.php

@@ -0,0 +1,74 @@
+<?php
+
+namespace Safe;
+
+use Safe\Exceptions\StringsException;
+
+/**
+ * @param string $string
+ * @return string
+ * @throws StringsException
+ *
+ */
+function convert_uudecode(string $string): string
+{
+    error_clear_last();
+    $safeResult = \convert_uudecode($string);
+    if ($safeResult === false) {
+        throw StringsException::createFromPhpError();
+    }
+    return $safeResult;
+}
+
+
+/**
+ * @param string $string
+ * @return string
+ * @throws StringsException
+ *
+ */
+function hex2bin(string $string): string
+{
+    error_clear_last();
+    $safeResult = \hex2bin($string);
+    if ($safeResult === false) {
+        throw StringsException::createFromPhpError();
+    }
+    return $safeResult;
+}
+
+
+/**
+ * @param string $filename
+ * @param bool $binary
+ * @return non-falsy-string&lowercase-string
+ * @throws StringsException
+ *
+ */
+function md5_file(string $filename, bool $binary = false): string
+{
+    error_clear_last();
+    $safeResult = \md5_file($filename, $binary);
+    if ($safeResult === false) {
+        throw StringsException::createFromPhpError();
+    }
+    return $safeResult;
+}
+
+
+/**
+ * @param string $filename
+ * @param bool $binary
+ * @return non-falsy-string&lowercase-string
+ * @throws StringsException
+ *
+ */
+function sha1_file(string $filename, bool $binary = false): string
+{
+    error_clear_last();
+    $safeResult = \sha1_file($filename, $binary);
+    if ($safeResult === false) {
+        throw StringsException::createFromPhpError();
+    }
+    return $safeResult;
+}