Add facilities, contracts, orders, value lists, audit log, and desktop app modules

Extends omsorgCore with full CRUD for Facility/Contract/Order plus
configurable value lists and an audit trail, and wires the omsorgapp
frontend up to the new facilities, settings, and audit-log modules;
includes a sidebar active-nav-item highlight.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

omsorgapp/electron/backend/rolesClient.cjs

@@ -0,0 +1,26 @@
+const { RolesApi } = require('omsorgcore-client-ts');
+const { configFor, callApi } = require('./apiClientHelpers.cjs');
+
+// Kapselt /api/roles von omsorgCore (RolesController) über den generierten Client
+// (omsorgcore-client-ts).
+async function listRoles(accessToken) {
+  const api = new RolesApi(configFor(accessToken));
+  return callApi(api.apiRolesGetRaw());
+}
+
+async function getRole(accessToken, roleId) {
+  const api = new RolesApi(configFor(accessToken));
+  return callApi(api.apiRolesIdGetRaw({ id: roleId }));
+}
+
+async function createRole(accessToken, payload) {
+  const api = new RolesApi(configFor(accessToken));
+  return callApi(api.apiRolesPostRaw({ createRoleRequest: payload }));
+}
+
+async function updateRolePermissions(accessToken, roleId, payload) {
+  const api = new RolesApi(configFor(accessToken));
+  return callApi(api.apiRolesIdPermissionsPutRaw({ id: roleId, updateRolePermissionsRequest: payload }));
+}
+
+module.exports = { listRoles, getRole, createRole, updateRolePermissions };