feat: tenant-scoped routing and portal navigation

frontend/portal/src/utils/request.js

@@ -1,7 +1,9 @@
 // Simple Fetch Wrapper
-const BASE_URL = '/v1';
+import { getTenantCode } from './tenant';
 
 export async function request(endpoint, options = {}) {
+    const tenantCode = getTenantCode();
+    const baseUrl = tenantCode ? `/t/${tenantCode}/v1` : '/v1';
     const token = localStorage.getItem('token');
     
     const headers = {
@@ -22,7 +24,7 @@ export async function request(endpoint, options = {}) {
     }
 
     try {
-        const res = await fetch(`${BASE_URL}${endpoint}`, {
+        const res = await fetch(`${baseUrl}${endpoint}`, {
             ...options,
             headers
         });
@@ -40,9 +42,10 @@ export async function request(endpoint, options = {}) {
             if (res.status === 401) {
                 localStorage.removeItem('token');
                 localStorage.removeItem('user');
+                const loginPath = tenantCode ? `/t/${tenantCode}/auth/login` : '/auth/login';
                 // Redirect to login if not already there
-                if (!window.location.pathname.startsWith('/auth/login')) {
-                    window.location.href = '/auth/login';
+                if (!window.location.pathname.includes('/auth/login')) {
+                    window.location.href = loginPath;
                 }
             }
 

frontend/portal/src/utils/tenant.js

@@ -0,0 +1,18 @@
+export function getTenantCode() {
+    const match = window.location.pathname.match(/^\/t\/([^/]+)(?:\/|$)/);
+    return match ? match[1] : '';
+}
+
+export function resolveTenantCode(route) {
+    if (route && route.params && route.params.tenantCode) {
+        return String(route.params.tenantCode);
+    }
+    return getTenantCode();
+}
+
+export function tenantPath(path, route) {
+    const tenantCode = resolveTenantCode(route);
+    const base = tenantCode ? `/t/${tenantCode}` : '';
+    const normalized = path.startsWith('/') ? path : `/${path}`;
+    return `${base}${normalized}`;
+}