Add 4 files, update 15 files

package.json

@@ -31,7 +31,8 @@
     "db:seed": "bun prisma/seed.ts",
     "db:seed-demo": "bun prisma/seed-demo.ts",
     "db:setup-demo": "bun run db:push && bun run db:seed-demo",
-    "test": "bun test"
+    "test": "bun test",
+    "typecheck": "next build --webpack && tsc --noEmit --pretty false"
   },
   "dependencies": {
     "@dnd-kit/core": "^6.3.1",