separado en routes

src/app.js

@@ -0,0 +1,32 @@
+import express from "express";
+import cors from "cors";
+import path from "path";
+import { fileURLToPath } from "url";
+
+import { createSimulatorRouter } from "./routes/simulator.js";
+import { createEvolutionRouter } from "./routes/evolution.js";
+
+export function createApp({ tenantId }) {
+  const app = express();
+
+  app.use(cors());
+  app.use(express.json({ limit: "1mb" }));
+
+  // Serve /public as static (UI + webcomponents)
+  const __filename = fileURLToPath(import.meta.url);
+  const __dirname = path.dirname(__filename);
+  const publicDir = path.join(__dirname, "..", "public");
+  app.use(express.static(publicDir));
+
+  // --- Integraciones / UI ---
+  app.use(createSimulatorRouter({ tenantId }));
+  app.use(createEvolutionRouter());
+
+  // Home (UI)
+  app.get("/", (req, res) => {
+    res.sendFile(path.join(publicDir, "index.html"));
+  });
+
+  return app;
+}
+