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/sebastian/exporter/ChangeLog.md

@@ -0,0 +1,29 @@
+# ChangeLog
+
+All notable changes are documented in this file using the [Keep a CHANGELOG](https://keepachangelog.com/) principles.
+
+## [6.3.2] - 2025-09-24
+
+### Changed
+
+* Suppress `unexpected NAN value was coerced to string` warning triggered on PHP 8.5
+
+## [6.3.1] - 2025-09-22
+
+### Changed
+
+* Suppress `not representable as an int, cast occurred` warning triggered on PHP 8.5
+
+## [6.3.0] - 2024-12-05
+
+### Added
+
+* Optional constructor argument to control maximum string length
+
+### Deprecated
+
+* Optional argument for `shortenedRecursiveExport()` and `shortenedExport()` to control maximum string length
+
+[6.3.2]: https://github.com/sebastianbergmann/exporter/compare/6.3.1...6.3.2
+[6.3.1]: https://github.com/sebastianbergmann/exporter/compare/6.3.0...6.3.1
+[6.3.0]: https://github.com/sebastianbergmann/exporter/compare/6.2.0...6.3.0