Fix some issues with signing in

convex/auth.ts

@@ -14,6 +14,10 @@ export const { auth, signIn, signOut, store, isAuthenticated } = convexAuth({
   providers: [Password],
 });
 
+export const PASSWORD_MIN = 8;
+export const PASSWORD_MAX = 100;
+export const PASSWORD_REGEX = /^(?=.{8,100}$)(?!.*\s)(?=.*\d)(?=.*[a-z])(?=.*[A-Z])(?=.*[\p{P}\p{S}]).*$/u;
+
 export const getUser = query(async (ctx) => {
   const userId = await getAuthUserId(ctx);
   if (!userId) return null;