add landing and subscription plans

Signed-off-by: Omar Sánchez Pizarro <omar.sanchez@pistacero.net>

web/backend/routes/workers.js

@@ -2,6 +2,7 @@ import express from 'express';
 import { basicAuthMiddleware } from '../middlewares/auth.js';
 import { broadcast } from '../services/websocket.js';
 import { getWorkers, setWorkers, getDB } from '../services/mongodb.js';
+import { checkSubscriptionLimits, checkWorkerLimit, checkPlatformAccess } from '../middlewares/subscriptionLimits.js';
 
 const router = express.Router();
 
@@ -23,7 +24,7 @@ router.get('/', basicAuthMiddleware, async (req, res) => {
 });
 
 // Actualizar workers del usuario autenticado (requiere autenticación)
-router.put('/', basicAuthMiddleware, async (req, res) => {
+router.put('/', basicAuthMiddleware, checkSubscriptionLimits, checkWorkerLimit, checkPlatformAccess, async (req, res) => {
   try {
     const db = getDB();
     if (!db) {