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.

package.json

@@ -3,9 +3,11 @@
   "version": "0.1.0",
   "private": true,
   "scripts": {
-    "dev": "next dev --turbopack",
+    "dev": "tsx server.ts",
+    "dev:next": "next dev --turbopack",
     "build": "next build --turbopack",
-    "start": "next start",
+    "start": "NODE_ENV=production tsx server.ts",
+    "start:next": "next start",
     "lint": "biome check",
     "format": "biome format --write",
     "db:migrate": "tsx lib/db/migrations/run-migrations.ts",
@@ -53,6 +55,7 @@
     "cobe": "^0.6.5",
     "jsonwebtoken": "^9.0.2",
     "lucide-react": "^0.540.0",
+    "mongoose": "^8.19.3",
     "motion": "^12.23.24",
     "next": "15.5.0",
     "next-intl": "^4.4.0",
@@ -66,6 +69,8 @@
     "recharts": "^3.3.0",
     "redis": "^5.9.0",
     "sanitize-html": "^2.17.0",
+    "socket.io": "^4.8.1",
+    "socket.io-client": "^4.8.1",
     "tailwind-merge": "^3.3.1",
     "validator": "^13.15.20",
     "zod": "^4.1.12"