feat: Enhance company loading logic with authentication and error handling

frontend/src/lib/stores/company.svelte.ts

@@ -3,6 +3,8 @@
  * Permite cambiar entre las compañías que pertenecen al tenant
  */
 
+import { browser } from '$app/environment';
+
 interface Company {
 	id: number;
 	name: string;
@@ -67,6 +69,11 @@ class CompanyStore {
 		}
 		
 		// Si no hay datos pre-cargados, hacer fetch (fallback)
+		// Solo en el navegador, nunca durante SSR
+		if (!browser) {
+			return;
+		}
+		
 		this._loading = true;
 		try {
 			const response = await fetch('/api/v1/a76/company/my-companies');

frontend/src/routes/dashboard/general_catalogs/company_information/+page.server.ts

@@ -1,20 +1,79 @@
-import { getCompanies } from '$lib/api/dashboard/a76/company';
 import type { PageServerLoad } from './$types';
+import { getAuthTokens, authenticatedFetch } from '$lib/server/api';
 
-export const load: PageServerLoad = async ({ url }) => {
-    const page = Number(url.searchParams.get('page')) || 1;
-    const pageSize = Number(url.searchParams.get('pageSize')) || 50;
-    
-    const filters: Record<string, any> = {};
-    const name = url.searchParams.get('name');
-    const rfc = url.searchParams.get('rfc');
+export const load: PageServerLoad = async ({ cookies, fetch, url, parent }) => {
+    // Esperar a que el layout padre valide/refresque el token
+    const parentData = await parent();
 
-    if (name) filters.name = name;
-    if (rfc) filters.rfc = rfc;
+    const { accessToken } = getAuthTokens(cookies);
 
-    const response = await getCompanies(page, pageSize, filters);
-    
-    return {
-        companies: response.data
-    };
+    if (!accessToken) {
+        return {
+            error: 'No authenticated',
+            companies: {
+                items: [],
+                total: 0,
+                page: 1,
+                page_size: 50,
+                pages: 0
+            }
+        };
+    }
+
+    try {
+        const page = Number(url.searchParams.get('page')) || 1;
+        const pageSize = Number(url.searchParams.get('pageSize')) || 50;
+        
+        const filters: Record<string, string> = {};
+        const name = url.searchParams.get('name');
+        const rfc = url.searchParams.get('rfc');
+
+        if (name) filters.name = name;
+        if (rfc) filters.rfc = rfc;
+
+        // Construir URL con parámetros
+        const queryParams = new URLSearchParams({
+            page: page.toString(),
+            page_size: pageSize.toString(),
+            ...filters
+        });
+
+        const response = await authenticatedFetch(
+            `v1/a76/company?${queryParams.toString()}`,
+            { method: 'GET' },
+            cookies,
+            fetch
+        );
+
+        if (!response.ok) {
+            return {
+                error: 'Failed to load companies',
+                companies: {
+                    items: [],
+                    total: 0,
+                    page: page,
+                    page_size: pageSize,
+                    pages: 0
+                }
+            };
+        }
+
+        const data = await response.json();
+        
+        return {
+            companies: data
+        };
+    } catch (error) {
+        console.error('Error loading companies:', error);
+        return {
+            error: 'Error loading companies',
+            companies: {
+                items: [],
+                total: 0,
+                page: 1,
+                page_size: 50,
+                pages: 0
+            }
+        };
+    }
 };