feat(market): add Minha Intenções tab with panel, hook, and badge

- Introduced "Minhas Intenções" tab visible only to logged-in users.
- Integrated MyPurchaseIntentionsPanel and useMyPurchaseIntentions hook.
- Added tab badge showing count of pending intentions.
- Extended session API to include user’s main character for downstream features.

server.ts

@@ -0,0 +1,42 @@
+/**
+ * Custom Server para Next.js 15
+ * Inicializa Socket.io junto com o servidor HTTP
+ */
+
+import { createServer } from "http";
+import { parse } from "url";
+import next from "next";
+import { initSocketIO } from "./lib/socket/server";
+
+const dev = process.env.NODE_ENV !== "production";
+const hostname = process.env.HOSTNAME || "localhost";
+const port = parseInt(process.env.PORT || "3000", 10);
+
+const app = next({ dev, hostname, port });
+const handle = app.getRequestHandler();
+
+app.prepare().then(() => {
+  const httpServer = createServer(async (req, res) => {
+    try {
+      const parsedUrl = parse(req.url!, true);
+      await handle(req, res, parsedUrl);
+    } catch (err) {
+      console.error("Error occurred handling", req.url, err);
+      res.statusCode = 500;
+      res.end("internal server error");
+    }
+  });
+
+  // Inicializar Socket.io
+  initSocketIO(httpServer);
+
+  httpServer
+    .once("error", (err: NodeJS.ErrnoException) => {
+      console.error(err);
+      process.exit(1);
+    })
+    .listen(port, () => {
+      console.log(`> Ready on http://${hostname}:${port}`);
+    });
+});
+