feat(settings): add SMTP admin configuration

backend/hermes/app/api/dashboard.py

@@ -7,11 +7,13 @@ from sqlalchemy.orm import Session
 from app.core.rbac import get_user_permission_names, require_permission
 from app.db.database import get_db
 from app.models.rbac import Role
+from app.models.audit import AuditLog
 from app.models.user import User
 from app.repositories.customer_repository import CustomerRepository
 from app.repositories.repair_repository import RepairRepository
 from app.repositories.user_repository import UserRepository
-from app.schemas.dashboard import DashboardSummary, EmptyWidget, MetricCard
+from app.schemas.dashboard import DashboardSummary, EmptyWidget, MetricCard, SystemStatusItem
+from app.services.system_settings_service import SystemSettingsService
 
 logger = logging.getLogger(__name__)
 
@@ -32,6 +34,7 @@ def get_dashboard_summary(
     users: list[MetricCard] = []
     roles: list[MetricCard] = []
     repairs: list[MetricCard] = []
+    system_status: list[SystemStatusItem] = []
 
     if "customers.read" in permissions:
         customers = [
@@ -69,6 +72,43 @@ def get_dashboard_summary(
             MetricCard(label="Offen ohne Kundenmail", value=RepairRepository.count_open_repairs_without_customer_email(db)),
         ]
 
+    if "system_settings.manage" in permissions:
+        smtp_config = SystemSettingsService.get_smtp_runtime_config(db)
+        public_links = SystemSettingsService.get_public_links_settings(db)
+        latest_testmail = db.scalar(
+            select(AuditLog)
+            .where(AuditLog.action.in_(["system_settings.smtp.test_sent", "system_settings.smtp.test_failed"]))
+            .order_by(AuditLog.created_at.desc(), AuditLog.id.desc())
+            .limit(1)
+        )
+        latest_failed_status_mail = RepairRepository.latest_failed_status_mail(db)
+        system_status = [
+            SystemStatusItem(
+                label="SMTP-Konfiguration",
+                value={
+                    "database": "Admin-Konfiguration",
+                    "environment": "Umgebung",
+                    "missing": "Nicht konfiguriert",
+                }[smtp_config.source],
+                status="ok" if smtp_config.is_configured else "warning",
+            ),
+            SystemStatusItem(
+                label="Public Status Base URL",
+                value=public_links.repair_status_base_url or "Nicht konfiguriert",
+                status="ok" if public_links.repair_status_base_url else "warning",
+            ),
+            SystemStatusItem(
+                label="Letzte SMTP-Testmail",
+                value=latest_testmail.created_at.isoformat() if latest_testmail else "Noch keine Testmail",
+                status="info" if latest_testmail else "warning",
+            ),
+            SystemStatusItem(
+                label="Letzte fehlgeschlagene Statusmail",
+                value=latest_failed_status_mail.created_at.isoformat() if latest_failed_status_mail else "Keine Fehler",
+                status="warning" if latest_failed_status_mail else "ok",
+            ),
+        ]
+
     logger.info("dashboard.summary", extra={"actor_user_id": current_user.id})
 
     return DashboardSummary(
@@ -77,6 +117,7 @@ def get_dashboard_summary(
         users=users,
         roles=roles,
         repairs=repairs,
+        system_status=system_status,
         activities=EmptyWidget(
             title="Letzte Aktivitäten",
             message="Noch keine Aktivitäten vorhanden.",