feat: integrate token point usage v2

src/lib/works-square-token-points.ts

@@ -0,0 +1,24 @@
+import type { WorksTokenPointBalance } from './works-square';
+
+const TOKEN_POINT_VALUE_PATTERN = /^(0|[1-9]\d*)(?:\.(\d{1,2}))?$/u;
+
+export function formatWorksTokenPointValue(value: string | null | undefined): string | null {
+  if (typeof value !== 'string') return null;
+  const match = TOKEN_POINT_VALUE_PATTERN.exec(value.trim());
+  if (!match) return null;
+
+  const whole = match[1].replace(/\B(?=(\d{3})+(?!\d))/gu, ',');
+  const fraction = (match[2] ?? '').replace(/0+$/u, '');
+  return fraction ? `${whole}.${fraction}` : whole;
+}
+
+export function isWorksTokenPointBalanceExhausted(
+  balance: WorksTokenPointBalance | null | undefined,
+): boolean {
+  if (!balance) return false;
+  if (!balance.can_manage_membership && typeof balance.shared_available === 'boolean') {
+    return !balance.shared_available;
+  }
+  const remaining = formatWorksTokenPointValue(balance.total_remaining);
+  return remaining !== null && /^0(?:\.0+)?$/u.test(remaining);
+}