feat(notificaciones): configuración de notificaciones por rol

- Nueva tabla tenant notification_role_preferences para guardar (email_type, role, enabled).
- Migración 051 aplicada a todos los tenants.
- Backend expone endpoint /notificaciones con matriz de preferencias por rol.
- Filtrado por rol en documento_subido, weekly_update, subscription_expiring,
  alertas_nuevas y recordatorio_proximo.
- Frontend rediseñado como tabla notificación × rol con toggles inmediatos.

apps/api/src/controllers/notification-preferences.controller.ts

@@ -3,29 +3,42 @@ import { z } from 'zod';
 import { AppError } from '../middlewares/error.middleware.js';
 import {
   EMAIL_TYPES,
-  getEmailPreferencesPorContribuyente,
-  setContribuyenteEmailPreferences,
+  NOTIFICATION_ROLES,
+  getRoleEmailPreferences,
+  setRoleEmailPreference,
+  type EmailType,
+  type NotificationRole,
 } from '../services/notification-preferences.service.js';
 
 export async function listPreferences(req: Request, res: Response, next: NextFunction) {
   try {
-    const data = await getEmailPreferencesPorContribuyente(req.tenantPool!);
-    res.json({ emailTypes: EMAIL_TYPES, data });
+    const preferences = await getRoleEmailPreferences(req.tenantPool!);
+    res.json({
+      emailTypes: EMAIL_TYPES,
+      roles: NOTIFICATION_ROLES,
+      preferences,
+    });
   } catch (error) {
     next(error);
   }
 }
 
 const updateSchema = z.object({
-  contribuyenteId: z.string().uuid(),
-  preferences: z.record(z.string(), z.boolean()),
+  emailType: z.enum([...EMAIL_TYPES] as [string, ...string[]]),
+  role: z.enum([...NOTIFICATION_ROLES] as [string, ...string[]]),
+  enabled: z.boolean(),
 });
 
 export async function updatePreferences(req: Request, res: Response, next: NextFunction) {
   try {
-    const { contribuyenteId, preferences } = updateSchema.parse(req.body);
-    const updated = await setContribuyenteEmailPreferences(req.tenantPool!, contribuyenteId, preferences);
-    res.json({ contribuyenteId, preferences: updated });
+    const { emailType, role, enabled } = updateSchema.parse(req.body);
+    const preferences = await setRoleEmailPreference(
+      req.tenantPool!,
+      emailType as EmailType,
+      role as NotificationRole,
+      enabled,
+    );
+    res.json({ preferences });
   } catch (error) {
     if (error instanceof z.ZodError) return next(new AppError(400, error.errors[0].message));
     next(error);