fixed a bit

actions/auth.js

@@ -0,0 +1,19 @@
+import { queryOne } from "@/lib/db";
+import bcrypt from "bcryptjs";
+
+export async function validateCredentials(username, password) {
+  const user = await queryOne("SELECT * FROM users WHERE username = ?", [
+    username,
+  ]);
+
+  if (user && bcrypt.compareSync(password, user.password)) {
+    return {
+      id: user.id,
+      username: user.username,
+      role: user.role,
+      teamId: user.team_id,
+    };
+  }
+
+  return null;
+}