diff --git a/alembic/versions/0058_resolution_strategy.py b/alembic/versions/0058_resolution_strategy.py
index a583867..9c79c59 100644
--- a/alembic/versions/0058_resolution_strategy.py
+++ b/alembic/versions/0058_resolution_strategy.py
@@ -27,10 +27,7 @@ def upgrade() -> None:
     op.create_check_constraint(
         "ck_tenant_resolution_strategy",
         "tenants",
-        sa.schema.CheckConstraint(
-            "resolution_strategy IN ('highest_wins', 'deny_overrides_allow', 'direct_overrides_group', 'most_restrictive_wins')",
-            name="ck_tenant_resolution_strategy",
-        ),
+        "resolution_strategy IN ('highest_wins', 'deny_overrides_allow', 'direct_overrides_group', 'most_restrictive_wins')",
     )
 
 
diff --git a/frontend/src/pages/SettingsRechte.tsx b/frontend/src/pages/SettingsRechte.tsx
index 3474bf2..79977df 100644
--- a/frontend/src/pages/SettingsRechte.tsx
+++ b/frontend/src/pages/SettingsRechte.tsx
@@ -273,7 +273,7 @@ function AuditTab() {
     action: 'permission_grant,permission_revoke,permission_update',
   });
 
-  const columns: TableColumn<AuditLogEntry> = [
+  const columns: TableColumn<AuditLogEntry>[] = [
     {
       key: 'timestamp',
       header: 'Zeitpunkt',
@@ -283,7 +283,7 @@ function AuditTab() {
     {
       key: 'action',
       header: 'Aktion',
-      render: (row) => {
+      render: (row: AuditLogEntry) => {
         const labels: Record<string, string> = {
           permission_grant: 'Freigabe erteilt',
           permission_revoke: 'Freigabe entzogen',
@@ -305,7 +305,7 @@ function AuditTab() {
     {
       key: 'details',
       header: 'Details',
-      render: (row) => {
+      render: (row: AuditLogEntry) => {
         if (!row.details) return '—';
         try {
           const parsed = JSON.parse(row.details);