Split filter drawer contracts

lib/App/Module/ModulePermissionSynchronizer.php

@@ -16,7 +16,7 @@ final class ModulePermissionSynchronizer
     }
 
     /**
-     * @return array{created: int, updated: int, unchanged: int, total: int}
+     * @return array{created: int, updated: int, unchanged: int, deactivated: int, total: int}
      */
     public function sync(): array
     {
@@ -66,14 +66,62 @@ final class ModulePermissionSynchronizer
             $updated++;
         }
 
+        $deactivated = $this->deactivateOrphaned();
+
         return [
             'created' => $created,
             'updated' => $updated,
             'unchanged' => $unchanged,
+            'deactivated' => $deactivated,
             'total' => $total,
         ];
     }
 
+    /**
+     * Deactivate system permissions that no active module claims.
+     *
+     * Only touches is_system=1 rows (module-owned). Admin-created permissions
+     * (is_system=0) are never modified. Setting active=0 is reversible — if the
+     * module is re-enabled, the next sync will set active=1 again.
+     */
+    private function deactivateOrphaned(): int
+    {
+        $activeKeys = $this->moduleRegistry->getPermissionKeys();
+        $systemPermissions = $this->permissionRepository->listSystem();
+        $deactivated = 0;
+
+        foreach ($systemPermissions as $permission) {
+            $key = (string) $permission['key'];
+            $id = (int) $permission['id'];
+            $isActive = (int) $permission['active'];
+
+            if ($key === '' || $id <= 0) {
+                continue;
+            }
+
+            // Already inactive — nothing to do
+            if ($isActive === 0) {
+                continue;
+            }
+
+            // Still claimed by an active module — keep it
+            if (in_array($key, $activeKeys, true)) {
+                continue;
+            }
+
+            // Orphaned: system permission not claimed by any active module → deactivate
+            $this->permissionRepository->update($id, [
+                'key' => $key,
+                'description' => (string) $permission['description'],
+                'active' => 0,
+                'is_system' => 1,
+            ]);
+            $deactivated++;
+        }
+
+        return $deactivated;
+    }
+
     /**
      * @param array<string, mixed> $existing
      * @param array<string, mixed> $desired