feat: enhance user statistics and tenant management

- Updated user statistics endpoint to include access token and hub tenant ID for improved data retrieval.
- Refactored user listing functionality to support access token and hub tenant ID, ensuring accurate user data from the Hub.
- Introduced new methods in UserService for fetching users with additional information from the Hub.
- Enhanced security functions to ensure user-tenant relationships are maintained and synchronized with the Hub.
- Improved frontend logic to handle company initialization and user authentication more effectively.

frontend/src/routes/dashboard/+layout.server.ts

@@ -24,11 +24,12 @@ export const load: LayoutServerLoad = async ({ cookies, url, fetch }) => {
 	const redirectOnFail = `/login?redirect=${encodeURIComponent(url.pathname)}`;
 
 	try {
-		const userData = await validateAuth(cookies, fetch, redirectOnFail);
-
-		// Cargar las compañías del usuario en el servidor (SSR)
+		// Primero my-companies: ejecuta get_current_user y puede crear tenant/empresa/usuario
+		// antes de /me/profile en validateAuth (evita SSR sin la empresa recién provisionada).
 		const companies = await getUserCompanies(cookies, fetch);
 
+		const userData = await validateAuth(cookies, fetch, redirectOnFail);
+
 		// Si la cookie active_company_id apunta a una compañía que ya no existe, limpiarla
 		const cookieCompanyId = cookies.get('active_company_id');
 		if (cookieCompanyId) {

frontend/src/routes/dashboard/+layout.svelte

@@ -110,7 +110,12 @@
 
 		// ── Inicializar compañías ─────────────────────────────────────────────
 		if (data.companies) {
-			companyStore.initialize(data.companies, data.activeCompanyId);
+			const activeCompanyId = (data as { activeCompanyId?: number }).activeCompanyId;
+			void (async () => {
+				await companyStore.initialize(data.companies, activeCompanyId);
+				// Releer en cliente: el SSR puede haber quedado desfasado respecto al provisionamiento.
+				await companyStore.loadCompanies(undefined, activeCompanyId);
+			})();
 		}
 
 		// ── Escuchar cambios de compañía y recargar datos ─────────────────────

frontend/src/routes/dashboard/+layout.ts

@@ -6,6 +6,7 @@ export const load: LayoutLoad = async ({ data }) => {
 		user: data.user,
 		companies: data.companies,
 		authenticated: data.authenticated,
-		userTenants: data.userTenants ?? []
+		userTenants: data.userTenants ?? [],
+		activeCompanyId: data.activeCompanyId
 	};
 };