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/symfony/routing/composer.json

@@ -0,0 +1,42 @@
+{
+    "name": "symfony/routing",
+    "type": "library",
+    "description": "Maps an HTTP request to a set of configuration variables",
+    "keywords": ["routing", "router", "url", "uri"],
+    "homepage": "https://symfony.com",
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "Fabien Potencier",
+            "email": "fabien@symfony.com"
+        },
+        {
+            "name": "Symfony Community",
+            "homepage": "https://symfony.com/contributors"
+        }
+    ],
+    "require": {
+        "php": ">=8.2",
+        "symfony/deprecation-contracts": "^2.5|^3"
+    },
+    "require-dev": {
+        "symfony/config": "^6.4|^7.0|^8.0",
+        "symfony/http-foundation": "^6.4|^7.0|^8.0",
+        "symfony/yaml": "^6.4|^7.0|^8.0",
+        "symfony/expression-language": "^6.4|^7.0|^8.0",
+        "symfony/dependency-injection": "^6.4|^7.0|^8.0",
+        "psr/log": "^1|^2|^3"
+    },
+    "conflict": {
+        "symfony/config": "<6.4",
+        "symfony/dependency-injection": "<6.4",
+        "symfony/yaml": "<6.4"
+    },
+    "autoload": {
+        "psr-4": { "Symfony\\Component\\Routing\\": "" },
+        "exclude-from-classmap": [
+            "/Tests/"
+        ]
+    },
+    "minimum-stability": "dev"
+}