added: grade, subject and chapter in new chat, fixed that shitty card bug

package.json

@@ -4,9 +4,10 @@
   "version": "0.0.0",
   "type": "module",
   "scripts": {
-    "dev": "vite",
-    "build": "vite build",
-    "lint": "oxlint",
+    "dev": "concurrently \"npm run dev:backend\" \"npm run dev:frontend\"",
+    "dev:frontend": "cd frontend && vite",
+    "dev:backend": "cd backend && npm run dev",
+    "build": "cd frontend && vite build",
     "preview": "vite preview"
   },
   "dependencies": {
@@ -17,6 +18,7 @@
     "@types/react": "^19.2.17",
     "@types/react-dom": "^19.2.3",
     "@vitejs/plugin-react": "^6.0.4",
+    "concurrently": "^9.2.1",
     "oxlint": "^1.75.0",
     "vite": "^8.2.0"
   }